Invasion of North American waters by nonnative Dreissena polymorpha and D. rostriformis bugensishas resulted in declines of the Unionidae family of native North American mussels. Dreissenid mussels biofoul unionid mussels in large numbers and interfere with unionid movement, their acquisition of food, and the native mussels' ability to open and close their shells. Initial expectations for the Great Lakes included extirpation of unionids where they co-occurred with dreissenids, but recently adult and juvenile unionids have been found alive in several apparent refugia. These unionid populations may persist due to reduced dreissenid biofouling in these areas, and/or due to processes that remove biofoulers. For example locations inaccessible to dreissenid veligers may reduce biofouling and habitats with soft substrates may allow unionids to burrow and thus remove dreissenids. We deployed caged unionid mussels (Lampsilis siliquoidea) at 36 sites across the western basin of Lake Erie to assess spatial variation in biofouling and to identify other areas that might promote the persistence or recovery of native unionid mussels. Biofouling ranged from 0.03 – 26.33 g per mussel, reached a maximum in the immediate vicinity of the mouth of the Maumee River, and appeared to primarily consist of dreissenid mussels. A known mussel refugium in the vicinity of a power plant near the mouth of the Maumee actually exhibited very high biofouling rates, suggesting that low dreissenid colonization did not adequately explain unionid survival in this refugium. In contrast, the southern nearshore area of Lake Erie, near another refugium, had very low biofouling. A large stretch of the western basin appeared to have low biofouling rates and muddy substrates, raising the possibility that these open water areas could support remnant and returning populations of unionid mussels. Previous observations of unionid refugia and the occurrence of low biofouling rates in large areas of the western basin of Lake Erie raise the possibility that unionid and dreissenid coexistence may be possible here and elsewhere.
","language":"English","publisher":"University of Notre Dame","doi":"10.1674/0003-0031-176.1.119","usgsCitation":"Larson, J.H., Evans, M.A., Richardson, W.B., Schaeffer, J., and Nelson, J.C., 2016, Spatial variation in biofouling of a unionid mussel (Lampsilis siliquoidea) across the western basin of Lake Erie: The American Midland Naturalist, v. 176, no. 1, p. 119-129, https://doi.org/10.1674/0003-0031-176.1.119.","productDescription":"10 p.","startPage":"119","endPage":"129","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-060964","costCenters":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"links":[{"id":325687,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Michigan, Ohio","otherGeospatial":"Lake Erie","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -83.40682983398438,\n 41.83887416186901\n ],\n [\n -83.45970153808594,\n 41.80561366138045\n ],\n [\n -83.507080078125,\n 41.74723814279774\n ],\n [\n -83.53042602539062,\n 41.691886013236356\n ],\n [\n -83.47274780273438,\n 41.65649719441145\n ],\n [\n -83.35189819335938,\n 41.63751256767834\n ],\n [\n -83.29147338867188,\n 41.60568795028221\n ],\n [\n -83.22143554687499,\n 41.60055347660231\n ],\n [\n -83.15483093261719,\n 41.58360681482731\n ],\n [\n -83.11363220214844,\n 41.632893839650656\n ],\n [\n -83.10539245605469,\n 41.707266387090684\n ],\n [\n -83.09234619140625,\n 41.73801609883667\n ],\n [\n -83.10951232910156,\n 41.76516610331408\n ],\n [\n -83.18092346191406,\n 41.795888098191426\n ],\n [\n -83.25302124023436,\n 41.81175536180908\n ],\n [\n -83.30314636230469,\n 41.812778921301515\n ],\n [\n -83.40682983398438,\n 41.83887416186901\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"176","issue":"1","publishingServiceCenter":{"id":6,"text":"Columbus PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5799db77e4b0589fa1c7eb0b","contributors":{"authors":[{"text":"Larson, James H. 0000-0002-6414-9758 jhlarson@usgs.gov","orcid":"https://orcid.org/0000-0002-6414-9758","contributorId":4250,"corporation":false,"usgs":true,"family":"Larson","given":"James","email":"jhlarson@usgs.gov","middleInitial":"H.","affiliations":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"preferred":true,"id":643634,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Evans, Mary Anne 0000-0002-1627-7210 maevans@usgs.gov","orcid":"https://orcid.org/0000-0002-1627-7210","contributorId":149358,"corporation":false,"usgs":true,"family":"Evans","given":"Mary","email":"maevans@usgs.gov","middleInitial":"Anne","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":643635,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Richardson, William B. 0000-0002-7471-4394 wrichardson@usgs.gov","orcid":"https://orcid.org/0000-0002-7471-4394","contributorId":3277,"corporation":false,"usgs":true,"family":"Richardson","given":"William","email":"wrichardson@usgs.gov","middleInitial":"B.","affiliations":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"preferred":true,"id":643636,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Schaeffer, Jeff 0000-0003-3430-0872 jschaeffer@usgs.gov","orcid":"https://orcid.org/0000-0003-3430-0872","contributorId":2041,"corporation":false,"usgs":true,"family":"Schaeffer","given":"Jeff","email":"jschaeffer@usgs.gov","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":643637,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Nelson, John C. 0000-0002-7105-0107 jcnelson@usgs.gov","orcid":"https://orcid.org/0000-0002-7105-0107","contributorId":149361,"corporation":false,"usgs":true,"family":"Nelson","given":"John","email":"jcnelson@usgs.gov","middleInitial":"C.","affiliations":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"preferred":true,"id":643638,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70174025,"text":"sir20165092 - 2016 - Potential corrosivity of untreated groundwater in the United States","interactions":[],"lastModifiedDate":"2016-08-08T09:07:37","indexId":"sir20165092","displayToPublicDate":"2016-07-12T12:30:00","publicationYear":"2016","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2016-5092","title":"Potential corrosivity of untreated groundwater in the United States","docAbstract":"Corrosive groundwater, if untreated, can dissolve lead and other metals from pipes and other components in water distribution systems. Two indicators of potential corrosivity—the Langelier Saturation Index (LSI) and the Potential to Promote Galvanic Corrosion (PPGC)—were used to identify which areas in the United States might be more susceptible to elevated concentrations of metals in household drinking water and which areas might be less susceptible. On the basis of the LSI, about one-third of the samples collected from about 21,000 groundwater sites are classified as potentially corrosive. On the basis of the PPGC, about two-thirds of the samples collected from about 27,000 groundwater sites are classified as moderate PPGC, and about one-tenth as high PPGC. Potentially corrosive groundwater occurs in all 50 states and the District of Columbia.
National maps have been prepared to identify the occurrence of potentially corrosive groundwater in the 50 states and the District of Columbia. Eleven states and the District of Columbia were classified as having a very high prevalence of potentially corrosive groundwater, 14 states as having a high prevalence of potentially corrosive groundwater, 19 states as having a moderate prevalence of potentially corrosive groundwater, and 6 states as having a low prevalence of potentially corrosive groundwater. These findings have the greatest implication for people dependent on untreated groundwater for drinking water, such as the 44 million people that are self-supplied and depend on domestic wells or springs for their water supply.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20165092","usgsCitation":"Belitz, Kenneth, Jurgens, B.C., and Johnson, T.D., 2016, Potential corrosivity of untreated groundwater in the United States: U.S. Geological Survey Scientific Investigations Report 2016–5092, 16 p., https://dx.doi.org/10.3133/sir20165092. 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States\"}}]}","publicComments":"National Water Quality Program\nNational Water-Quality Assessment Project","contact":"Chief Scientist, National Water-Quality Assessment (NAWQA) Project
U.S. Geological Survey
Denver Federal Center
West 6th Avenue and Kipling Street
Lakewood, CO 80225
http://water.usgs.gov/nawqa/
Phosphorus data were collected from the Kent Park Lake watershed in Johnson County, Iowa, in 2014 and 2015 to obtain information to assist in the management of the water quality in the lake. Phosphorus concentrations were measured for sediment from several ponds in the watershed and sediment deposited in the lake. The first set of samples was collected in 2014 to understand phosphorus in several potential sources to the lake and the spatial variability in lake sediments. Phosphorus concentrations ranged from 68 to 380 milligrams per kilogram in lake sediment and from 57 to 220 milligrams per kilogram in sedimentation and dredge spoil ponds. Additional samples were collected in 2015 to determine how phosphorus concentrations vary with depth in the lake sediment. Phosphorus concentrations generally decreased with increasing depth within the lake sediment. In 2015, total phosphorus concentrations in lake sediment ranged from 50 to 340 milligrams per kilogram.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ds1001","collaboration":"Prepared in cooperation with the Johnson County Conservation Board","usgsCitation":"Kalkhoff, S.J., 2016, Phosphorus in sediment in the Kent Park Lake watershed, Johnson County, Iowa, 2014–15: U.S. Geological Survey Data Series 1001, 18 p., https://dx.doi.org/10.3133/ds1001.","productDescription":"vi, 18 p.","numberOfPages":"28","onlineOnly":"Y","additionalOnlineFiles":"N","temporalStart":"2014-01-01","ipdsId":"IP-071552","costCenters":[{"id":351,"text":"Iowa Water Science Center","active":true,"usgs":true}],"links":[{"id":325076,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/ds/1001/coverthb.jpg"},{"id":325077,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/ds/1001/ds1001.pdf","text":"Report","size":"2.82 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Data Series 1001"}],"country":"United States","state":"Iowa","county":"Johnson County","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-91.3677,41.8603],[-91.3673,41.7745],[-91.3675,41.6855],[-91.3671,41.5987],[-91.3679,41.5107],[-91.3687,41.4235],[-91.4839,41.4222],[-91.4843,41.4286],[-91.492,41.4405],[-91.5033,41.4493],[-91.5026,41.452],[-91.4989,41.4538],[-91.4988,41.4592],[-91.5145,41.4676],[-91.5156,41.4704],[-91.5136,41.4767],[-91.5038,41.4779],[-91.5029,41.4874],[-91.5039,41.4933],[-91.5076,41.4939],[-91.5107,41.4944],[-91.5112,41.4971],[-91.508,41.5016],[-91.5098,41.5034],[-91.5117,41.5016],[-91.5148,41.4985],[-91.5197,41.4981],[-91.5196,41.5027],[-91.5281,41.5078],[-91.528,41.511],[-91.5991,41.5107],[-91.7138,41.511],[-91.8291,41.5116],[-91.827,41.6001],[-91.8337,41.6006],[-91.8335,41.6865],[-91.8327,41.775],[-91.8318,41.8617],[-91.716,41.862],[-91.5989,41.8612],[-91.4836,41.8608],[-91.3677,41.8603]]]},\"properties\":{\"name\":\"Johnson\",\"state\":\"IA\"}}]}","contact":"Director, Iowa Water Science Center
U.S. Geological Survey
P.O. Box 1230
Iowa City, IA 52244
The Hells Canyon Complex (HCC) is a hydroelectric project built and operated by the Idaho Power Company (IPC) that consists of three dams on the Snake River along the Oregon and Idaho border (fig. 1). The dams have resulted in the creation of Brownlee, Oxbow, and Hells Canyon Reservoirs, which have a combined storage capacity of more than 1.5 million acre-feet and span about 90 miles of the Snake River. The Snake River upstream of and through the HCC historically has been impaired by water-quality issues related to excessive contributions of nutrients, algae, sediment, and other pollutants. In addition, historical data collected since the 1960s from the Snake River and tributaries near the HCC have documented high concentrations of mercury in fish tissue and sediment (Harris and Beals, 2013). Data collected from more recent investigations within the HCC continue to indicate elevated concentrations of mercury and methylmercury in the water column, bottom sediments, and biota (Clark and Maret, 1998; Essig, 2010; Fosness and others, 2013). As a result, Brownlee and Hells Canyon Reservoirs are listed as impaired for mercury by the State of Idaho, and the Snake River from the Oregon and Idaho border through the HCC downstream to the Oregon and Washington border is listed as impaired for mercury by the State of Oregon.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/fs20163051","usgsCitation":"Clark, G.M., Naymik, Jesse, Krabbenhoft, D.P., Eagles-Smith, C.A., Aiken, G.R., Marvin-DiPasquale, M.C., Harris, R.C., and Myers, Ralph, 2016, Mercury cycling in the Hells Canyon Complex of the Snake River, Idaho and Oregon: U.S. Geological Survey Fact Sheet 2016-3051, 6 p., https://dx.doi.org/10.3133/fs20163051.","productDescription":"6 p.","numberOfPages":"6","onlineOnly":"Y","additionalOnlineFiles":"N","ipdsId":"IP-072163","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true},{"id":343,"text":"Idaho Water Science Center","active":true,"usgs":true}],"links":[{"id":325057,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/fs/2016/3051/fs20163051.pdf","text":"Report","size":"2.5 MB","linkFileType":{"id":1,"text":"pdf"},"description":"FS 2016-3051 Fact Sheet PDF"},{"id":325056,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/fs/2016/3051/coverthb.jpg"}],"country":"United States","state":"Idaho, Oregon","otherGeospatial":"Brownlee Dam, Hells Canyon Dam, Oxbow Dam, Snake River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -118,\n 43.5\n ],\n [\n -118,\n 46.4\n ],\n [\n -116,\n 46.4\n ],\n [\n -116,\n 43.5\n ],\n [\n -118,\n 43.5\n ]\n ]\n ]\n }\n }\n ]\n}","contact":"Director, Idaho Water Science Center,
U.S. Geological Survey
230 Collins Road, Boise, Idaho 83702
http://id.water.usgs.gov/
Suspended-sediment characteristics can be computed using acoustic indices derived from acoustic Doppler velocity meter (ADVM) backscatter data. The sediment acoustic index method applied in these types of studies can be used to more accurately and cost-effectively provide time-series estimates of suspended-sediment concentration and load, which is essential for informed solutions to many sediment-related environmental, engineering, and agricultural concerns. Advantages of this approach over other sediment surrogate methods include: (1) better representation of cross-sectional conditions from large measurement volumes, compared to other surrogate instruments that measure data at a single point; (2) high temporal resolution of collected data; (3) data integrity when biofouling is present; and (4) less rating curve hysteresis compared to streamflow as a surrogate. An additional advantage of this technique is the potential expansion of monitoring suspended-sediment concentrations at sites with existing ADVMs used in streamflow velocity monitoring. This report provides much-needed standard techniques for sediment acoustic index methods to help ensure accurate and comparable documented results.
\nA sediment acoustic index gage is used to collect continuous acoustic backscatter data, using an ADVM deployed in a fixed location, which are related to results from discrete suspended-sediment samples. The raw ADVM backscatter data are adjusted for variables affecting backscatter other than the sediment concentration to compute the sediment-corrected backscatter (SCB) and sediment attenuation coefficient (SAC). The sediment acoustic index rating (rating) is then developed by relating the sediment characteristics from the periodic samples to the SCB and (or) SAC and other explanatory variables in a site-specific, instrument-specific, simple or multiple linear regression model. The rating is reviewed and checked to ensure the technique has been applied appropriately. This review includes an assessment of the theoretical soundness, the adequacy of the model calibration dataset, and the quality of the regression model and regression diagnostics. The rating can then be applied to the acoustic surrogates and other explanatory variables to obtain continuous records of computed suspended-sediment concentration. The estimates of suspended-sediment concentration can then be paired with streamflow data, if available, to compute continuous records of suspended-sediment load.
\nOnce developed, sediment acoustic index ratings must be validated with additional suspended-sediment samples, beyond the period of record used in the rating development, to verify that the regression model continues to adequately represent sediment conditions within the stream. Changes in ADVM configuration or installation, or replacement with another ADVM, may require development of a new rating. The best practices described in this report can be used to develop continuous estimates of suspended-sediment concentration and load using sediment acoustic surrogates to enable more informed and accurate responses to diverse sedimentation issues.
","largerWorkType":{"id":18,"text":"Report"},"largerWorkTitle":"Section C: Sediment and erosion techniques in Book 3: Applications of Hydraulics","largerWorkSubtype":{"id":5,"text":"USGS Numbered Series"},"language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/tm3C5","usgsCitation":"Landers, M.N., Straub, T.D., Wood, M.S., and Domanski, M.M., 2016, Sediment acoustic index method for computing continuous suspended-sediment concentrations: U.S. Geological Survey Techniques and Methods, book 3, chap. C5, 63 p., https://dx.doi.org/10.3133/tm3C5.","productDescription":"vii, 63 p.","endPage":"83","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-062080","costCenters":[{"id":502,"text":"Office of Surface Water","active":true,"usgs":true}],"links":[{"id":324847,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/tm/03/c05/coverthb.jpg"},{"id":324848,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/tm/03/c05/tm3c5.pdf","text":"Report","size":"9.33 MB","linkFileType":{"id":1,"text":"pdf"},"description":"TM 3C-05"}],"publicComments":"This report is Chapter 5 of Section C: Sediment and erosion techniques in Book 3: Applications of Hydraulics.","contact":"Chief, Office of Surface Water
U.S. Geological Survey
415 National Center
12201 Sunrise Valley Drive
Reston, VA 20192
(703) 648-5301
Or visit the Office of Surface Water Web site at: http://water.usgs.gov/osw/
","tableOfContents":"Thyroid hormone reportedly induces masculinization of genetic females and goitrogen treatment delays testicular differentiation (ovary-to-testis transformation) in genetic males of Zebrafish. This study explored potential molecular mechanisms of these phenomena. Zebrafish were treated with thyroxine (T4, 2 nM), goitrogen [methimazole (MZ), 0.15 mM], MZ (0.15 mM) and T4 (2 nM) (rescue treatment), or reconstituted water (control) from 3 to 33 days postfertilization (dpf) and maintained in control water until 45 dpf. Whole fish were collected during early (25 dpf) and late (45 dpf) testicular differentiation for transcript abundance analysis of selected male (dmrt1, amh, ar) and female (cyp19a1a, esr1, esr2a, esr2b) sex-related genes by quantitative RT-PCR, and fold-changes relative to control values were determined. Additional fish were sampled at 45 dpf for histological assessment of gonadal sex. The T4 and rescue treatments caused male-biased populations, and T4 alone induced precocious puberty in ∼50% of males. Male-biased sex ratios were accompanied by increased expression of amh and ar and reduced expression of cyp19a1a, esr1, esr2a, and esr2b at 25 and 45 dpf and, unexpectedly, reduced expression of dmrt1 at 45 dpf. Goitrogen exposure increased the proportion of individuals with ovaries (per previous studies interpreted as delay in testicular differentiation of genetic males), and at 25 and 45 dpf reduced the expression of amh and ar and increased the expression of esr1 (only at 25 dpf), esr2a, and esr2b. Notably, cyp19a1a transcript was reduced but via non-thyroidal pathways (not restored by rescue treatment). In conclusion, the masculinizing activity of T4 at the population level may be due to its ability to inhibit female and stimulate male sex-related genes in larvae, while the inability of MZ to induce cyp19a1a, which is necessary for ovarian differentiation, may explain why its “feminizing” activity on gonadal sex is not permanent.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.ygcen.2016.05.028","usgsCitation":"Sharma, P., Tang, S., Mayer, G.D., and Patino, R., 2016, Effects of thyroid endocrine manipulation on sex-related gene expression and population sex ratios in Zebrafish: General and Comparative Endocrinology, v. 235, p. 38-47, https://doi.org/10.1016/j.ygcen.2016.05.028.","productDescription":"10 p.","startPage":"38","endPage":"47","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-071232","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":324998,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"235","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5784b51de4b0e02680bdc5e1","contributors":{"authors":[{"text":"Sharma, Prakash","contributorId":107435,"corporation":false,"usgs":true,"family":"Sharma","given":"Prakash","email":"","affiliations":[],"preferred":false,"id":642067,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Tang, Song","contributorId":172782,"corporation":false,"usgs":false,"family":"Tang","given":"Song","email":"","affiliations":[],"preferred":false,"id":642068,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mayer, Gregory D.","contributorId":172783,"corporation":false,"usgs":false,"family":"Mayer","given":"Gregory","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":642069,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Patino, Reynaldo 0000-0002-4831-8400 r.patino@usgs.gov","orcid":"https://orcid.org/0000-0002-4831-8400","contributorId":2311,"corporation":false,"usgs":true,"family":"Patino","given":"Reynaldo","email":"r.patino@usgs.gov","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":642047,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70170491,"text":"ofr20161063 - 2016 - Structure of the 1906 near-surface rupture zone of the San Andreas Fault, San Francisco Peninsula segment, near Woodside, California","interactions":[],"lastModifiedDate":"2016-07-11T09:00:37","indexId":"ofr20161063","displayToPublicDate":"2016-07-08T15:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2016-1063","title":"Structure of the 1906 near-surface rupture zone of the San Andreas Fault, San Francisco Peninsula segment, near Woodside, California","docAbstract":"High-resolution seismic-reflection and refraction images of the 1906 surface rupture zone of the San Andreas Fault near Woodside, California reveal evidence for one or more additional near-surface (within about 3 meters [m] depth) fault strands within about 25 m of the 1906 surface rupture. The 1906 surface rupture above the groundwater table (vadose zone) has been observed in paleoseismic trenches that coincide with our seismic profile and is seismically characterized by a discrete zone of low P-wave velocities (Vp), low S-wave velocities (Vs), high Vp/Vs ratios, and high Poisson’s ratios. A second near-surface fault strand, located about 17 m to the southwest of the 1906 surface rupture, is inferred by similar seismic anomalies. Between these two near-surface fault strands and below 5 m depth, we observed a near-vertical fault strand characterized by a zone of high Vp, low Vs, high Vp/Vs ratios, and high Poisson’s ratios on refraction tomography images and near-vertical diffractions on seismic-reflection images. This prominent subsurface zone of seismic anomalies is laterally offset from the 1906 surface rupture by about 8 m and likely represents the active main (long-term) strand of the San Andreas Fault at 5 to 10 m depth. Geometries of the near-surface and subsurface (about 5 to 10 m depth) fault zone suggest that the 1906 surface rupture dips southwestward to join the main strand of the San Andreas Fault at about 5 to 10 m below the surface. The 1906 surface rupture forms a prominent groundwater barrier in the upper 3 to 5 m, but our interpreted secondary near-surface fault strand to the southwest forms a weaker barrier, suggesting that there has been less or less-recent near-surface slip on that strand. At about 6 m depth, the main strand of the San Andreas Fault consists of water-saturated blue clay (collected from a hand-augered borehole), which is similar to deeply weathered serpentinite observed within the main strand of the San Andreas Fault at nearby sites. Multiple fault strands in the area of the 1906 surface rupture may account for variations in geologic slip rates calculated from several paleoseismic sites along the Peninsula segment of the San Andreas Fault.t.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20161063","usgsCitation":"Rosa, C.M., Catchings, R.D., Rymer, M.J., Grove, Karen, and Goldman, M.R., 2016, Structure of the 1906 near-surface rupture zone of the San Andreas Fault, San Francisco Peninsula segment, near Woodside, California: U.S. Geological Survey Open-File Report 2016–1063, 31 p., https://dx.doi.org/10.3133/ofr20161063.","productDescription":"iv, 31 p.","numberOfPages":"35","onlineOnly":"Y","additionalOnlineFiles":"N","ipdsId":"IP-069256","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":320781,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2016/1063/ofr20161063.pdf","text":"Report","size":"4.8 MB","linkFileType":{"id":1,"text":"pdf"},"description":"OFR 2016-1063 Report PDF"},{"id":320780,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2016/1063/coverthb.jpg"}],"country":"United States","state":"California","city":"Woodside","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -122.4041748046875,\n 37.28716518793855\n ],\n [\n -122.4041748046875,\n 37.67077737288316\n ],\n [\n -122.12677001953124,\n 37.67077737288316\n ],\n [\n -122.12677001953124,\n 37.28716518793855\n ],\n [\n -122.4041748046875,\n 37.28716518793855\n ]\n ]\n ]\n }\n }\n ]\n}","contact":"Earthquake Science Center—Menlo Park, Calif. Office
U.S. Geological Survey
345 Middlefield Road, MS 977
Menlo Park, CA 94025
http://earthquake.usgs.gov/
The crater lake of Kawah Ijen volcano, East Java, Indonesia, has displayed large and rapid changes in temperature at point locations during periods of unrest, but measurement techniques employed to-date have not resolved how the lake’s thermal regime has evolved over both space and time. We applied a novel approach for mapping and monitoring variations in crater-lake apparent surface (“skin”) temperatures at high spatial (~32 cm) and temporal (every two minutes) resolution at Kawah Ijen on 18 September 2014. We used a ground-based FLIR T650sc camera with digital and thermal infrared (TIR) sensors from the crater rim to collect (1) a set of visible imagery around the crater during the daytime and (2) a time series of co-located visible and TIR imagery at one location from pre-dawn to daytime. We processed daytime visible imagery with the Structure-from-Motion photogrammetric method to create a digital elevation model onto which the time series of TIR imagery was orthorectified and georeferenced. Lake apparent skin temperatures typically ranged from ~21 to 33oC. At two locations, apparent skin temperatures were ~ 4 and 7 oC less than in-situ lake temperature measurements at 1.5 and 5 m depth, respectively. These differences, as well as the large spatio-temporal variations observed in skin temperatures, were likely largely associated with atmospheric effects such as evaporative cooling of the lake surface and infrared absorption by water vapor and SO2. Calculations based on orthorectified TIR imagery thus yielded underestimates of volcanic heat fluxes into the lake, whereas volcanic heat fluxes estimated based on in-situ temperature measurements (68 to 111 MW) were likely more representative of Kawah Ijen in a quiescent state. The ground-based imaging technique should provide a valuable tool to continuously monitor crater-lake temperatures and contribute insight into the spatio-temporal evolution of these temperatures associated with volcanic activity.
","language":"English","publisher":"Springer","doi":"10.1007/s00445-016-1049-9","usgsCitation":"Lewicki, J.L., Corentin Caudron, van Hinsberg, V., and Hilley, G., 2016, High spatio-temporal resolution observations of crater-lake temperatures at Kawah Ijen volcano, East Java, Indonesia: Bulletin of Volcanology, v. 78, Article 53; 11 p., https://doi.org/10.1007/s00445-016-1049-9.","productDescription":"Article 53; 11 p.","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-074996","costCenters":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"links":[{"id":325462,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Indonesia","otherGeospatial":"Kawah Ijen 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Park PSC"},"noUsgsAuthors":false,"publicationDate":"2016-07-08","publicationStatus":"PW","scienceBaseUri":"5790a181e4b030378fb47431","contributors":{"authors":[{"text":"Lewicki, Jennifer L. 0000-0003-1994-9104 jlewicki@usgs.gov","orcid":"https://orcid.org/0000-0003-1994-9104","contributorId":5071,"corporation":false,"usgs":true,"family":"Lewicki","given":"Jennifer","email":"jlewicki@usgs.gov","middleInitial":"L.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":642918,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Corentin Caudron","contributorId":172993,"corporation":false,"usgs":false,"family":"Corentin Caudron","affiliations":[{"id":27136,"text":"University of Cambridge","active":true,"usgs":false}],"preferred":false,"id":642919,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"van Hinsberg, Vincent","contributorId":172994,"corporation":false,"usgs":false,"family":"van Hinsberg","given":"Vincent","email":"","affiliations":[{"id":6646,"text":"McGill University","active":true,"usgs":false}],"preferred":false,"id":642920,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hilley, George","contributorId":147793,"corporation":false,"usgs":false,"family":"Hilley","given":"George","affiliations":[{"id":6986,"text":"Stanford University","active":true,"usgs":false}],"preferred":false,"id":642921,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70170126,"text":"70170126 - 2016 - Using Cape Sable seaside sparrow distribution data for water management decision support","interactions":[],"lastModifiedDate":"2016-07-11T15:35:32","indexId":"70170126","displayToPublicDate":"2016-07-08T09:15:00","publicationYear":"2016","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":4,"text":"Other Government Series"},"title":"Using Cape Sable seaside sparrow distribution data for water management decision support","docAbstract":"The Cape Sable Seaside Sparrow (Ammodramus maritimus mirabilis; hereafter sparrow) is endemic to south Florida and a key indicator species of marl prairie, the most diverse freshwater community in the Florida Everglades. Marl prairie habitat is shaped by intermediate levels of disturbances such as flooding, drying, and fire, which maintain periphyton production (Gaiser et al. 2011), vegetation composition (Sah et al. 2011), and habitat structure for wildlife (Lockwood et al. 2003). Historically, patches of marl prairie shifted in response to changing climatic conditions,; however, habitat loss and hydrologic alteration have restricted the sparrow’s range and increased their sensitivity to changing hydropatterns. As a result, sparrow numbers have declined as much as 60% range-wide since 1992 (Curnutt et al. 1998, Nott et al. 1998). Currently, the sparrow is restricted to the freshwater prairies of the Everglades National Park (ENP) and Big Cypress Preserve (Lockwood et al. 1997). Because this non-migratory bird is restricted in its range it was among the first species to be listed as endangered by the US Fish and Wildlife Service on March 11, 1967 (Pimm et al. 2000). Now protected by the Endangered Species Act of 1973, the sparrow is listed as an endangered species, and the marl prairies that it resides in are listed as critical habitat. Since its designation as an endangered species, federal agencies have a statutory obligation to not jeopardize the survival of the species or modify its critical habitat. However, there are still uncertainties in how to increase suitable habitat within and surrounding the six existing sparrow subpopulations (Fig. 1) which are vulnerable to environmental stochasticity because of their small population size and restricted range. Since Because maintenance and creation of suitable habitat is seen as the most important pathway to the persistence of sparrow subpopulations (Sustainable Ecosystems Institute 2007), emphasis should be on identifying factors affecting sparrow habitat suitability and expanding the total area of suitable habitat over a gradient of environmental conditions. Our objective is to improve the definition of suitable sparrow habitat based on the relationship between daily sparrow distributions from 1992-present and hydrologic and habitat variables. Further, these models can provide an estimate of habitat quality when linked with estimates of reproductive responses.
","largerWorkTitle":"Report to the U.S. Fish and Wildlife Service","language":"English","usgsCitation":"Beerens, J.M., and Romanach, S.S., 2016, Using Cape Sable seaside sparrow distribution data for water management decision support, 20 p.","productDescription":"20 p.","startPage":"1","endPage":"19","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-073857","costCenters":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":325061,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"publishingServiceCenter":{"id":5,"text":"Lafayette PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5784c347e4b0e02680be59fa","contributors":{"authors":[{"text":"Beerens, James M. 0000-0001-8143-916X jbeerens@usgs.gov","orcid":"https://orcid.org/0000-0001-8143-916X","contributorId":143722,"corporation":false,"usgs":true,"family":"Beerens","given":"James","email":"jbeerens@usgs.gov","middleInitial":"M.","affiliations":[{"id":566,"text":"Southeast Ecological Science Center","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":626225,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Romanach, Stephanie S. 0000-0003-0271-7825 sromanach@usgs.gov","orcid":"https://orcid.org/0000-0003-0271-7825","contributorId":140419,"corporation":false,"usgs":true,"family":"Romanach","given":"Stephanie","email":"sromanach@usgs.gov","middleInitial":"S.","affiliations":[{"id":566,"text":"Southeast Ecological Science Center","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":626226,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70175124,"text":"70175124 - 2016 - Geologic context of recurring slope lineae in Melas and Coprates Chasmata, Mars","interactions":[],"lastModifiedDate":"2018-11-01T14:48:59","indexId":"70175124","displayToPublicDate":"2016-07-07T14:30:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2317,"text":"Journal of Geophysical Research E: Planets","active":true,"publicationSubtype":{"id":10}},"title":"Geologic context of recurring slope lineae in Melas and Coprates Chasmata, Mars","docAbstract":"One of the major Mars discoveries of recent years is the existence of recurring slope lineae (RSL), which suggests that liquid water occurs on or near the surface of Mars today. These dark and narrow features emerge from steep, rocky exposures and incrementally grow, fade, and reform on a seasonal basis and are detected in images from the High Resolution Imaging Science Experiment camera. RSL are known to occur at scattered midlatitude and equatorial sites with little spatial connection to one another. One major exception is the steep, low-albedo slopes of Melas and Coprates Chasmata, in Valles Marineris where RSL are detected among diverse geologic surfaces (e.g., bedrock and talus) and landforms (e.g., inselbergs and landslides). New images show topographic changes including sediment deposition on active RSL slopes. Midwall locations in Coprates and Melas appear to have more areally extensively abundant RSL and related fans as compared with other RSL sites found on Mars. Water budget estimates for regional RSL are on the order of 105 to 106 m3 of fluid, for depths of 10 to 100mm, and suggest that a significant amount of near-surface watermight be present. Many RSL are concentrated near local topographic highs, such as ridge crests or peaks, which is challenging to explain via groundwater or ice without a recharge mechanism. Collectively, results provide additional support for the notion that significant amounts of near-surface water can be found on Mars today and suggest that a widespread mechanism, possibly related to the atmosphere, is recharging RSL sources.
","language":"English","publisher":"American Geophysical Union","doi":"10.1002/2015JE004991","usgsCitation":"Chojnacki, M., McEwen, A., Dundas, C.M., Ojha, L., Urso, A., and Sutton, S., 2016, Geologic context of recurring slope lineae in Melas and Coprates Chasmata, Mars: Journal of Geophysical Research E: Planets, v. 121, p. 1-28, https://doi.org/10.1002/2015JE004991.","productDescription":"28 p.","startPage":"1","endPage":"28","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-071262","costCenters":[{"id":131,"text":"Astrogeology Science Center","active":true,"usgs":true}],"links":[{"id":325844,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"121","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationDate":"2016-07-07","publicationStatus":"PW","scienceBaseUri":"579c7e2be4b0589fa1ca11db","contributors":{"authors":[{"text":"Chojnacki, Matthew","contributorId":96576,"corporation":false,"usgs":true,"family":"Chojnacki","given":"Matthew","affiliations":[],"preferred":false,"id":644022,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McEwen, Alfred","contributorId":59723,"corporation":false,"usgs":true,"family":"McEwen","given":"Alfred","affiliations":[],"preferred":false,"id":644023,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Dundas, Colin M. 0000-0003-2343-7224 cdundas@usgs.gov","orcid":"https://orcid.org/0000-0003-2343-7224","contributorId":2937,"corporation":false,"usgs":true,"family":"Dundas","given":"Colin","email":"cdundas@usgs.gov","middleInitial":"M.","affiliations":[{"id":131,"text":"Astrogeology Science Center","active":true,"usgs":true}],"preferred":true,"id":644021,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Ojha, Lujendra","contributorId":64933,"corporation":false,"usgs":true,"family":"Ojha","given":"Lujendra","affiliations":[],"preferred":false,"id":644024,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Urso, Anna","contributorId":173270,"corporation":false,"usgs":false,"family":"Urso","given":"Anna","email":"","affiliations":[{"id":27205,"text":"U. Arizona","active":true,"usgs":false}],"preferred":false,"id":644025,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Sutton, Sarah","contributorId":173271,"corporation":false,"usgs":false,"family":"Sutton","given":"Sarah","affiliations":[{"id":27205,"text":"U. Arizona","active":true,"usgs":false}],"preferred":false,"id":644026,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70174237,"text":"70174237 - 2016 - Composition and structure of the shallow subsurface of Ceres revealed by crater morphology","interactions":[],"lastModifiedDate":"2016-07-07T11:12:34","indexId":"70174237","displayToPublicDate":"2016-07-07T12:15:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2845,"text":"Nature Geoscience","active":true,"publicationSubtype":{"id":10}},"title":"Composition and structure of the shallow subsurface of Ceres revealed by crater morphology","docAbstract":"Before NASA’s Dawn mission, the dwarf planet Ceres was widely believed to contain a substantial ice-rich layer below its rocky surface. The existence of such a layer has significant implications for Ceres’s formation, evolution, and astrobiological potential. Ceres is warmer than icy worlds in the outer Solar System and, if its shallow subsurface is ice-rich, large impact craters are expected to be erased by viscous flow on short geologic timescales. Here we use digital terrain models derived from Dawn Framing Camera images to show that most of Ceres’s largest craters are several kilometres deep, and are therefore inconsistent with the existence of an ice-rich subsurface. We further show from numerical simulations that the absence of viscous relaxation over billion-year timescales implies a subsurface viscosity that is at least one thousand times greater than that of pure water ice. We conclude that Ceres’s shallow subsurface is no more than 30% to 40% ice by volume, with a mixture of rock, salts and/or clathrates accounting for the other 60% to 70%. However, several anomalously shallow craters are consistent with limited viscous relaxation and may indicate spatial variations in subsurface ice content.
","language":"English","publisher":"Nature Pub. Group","publisherLocation":"New York","doi":"10.1038/NGEO2743","usgsCitation":"Bland, M.T., Carol A. Raymond, Schenk, P.M., Fu, R.R., Kneisl, T., Hendrick Pasckert, J., Hiesinger, H., Frank Preusker, Park, R.S., Marchi, S., King, S., Castillo-Rogez, J., and Christopher T. Russell, 2016, Composition and structure of the shallow subsurface of Ceres revealed by crater morphology: Nature Geoscience, v. 9, p. 538-542, https://doi.org/10.1038/NGEO2743.","productDescription":"5 p.","startPage":"538","endPage":"542","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-074012","costCenters":[{"id":131,"text":"Astrogeology Science Center","active":true,"usgs":true}],"links":[{"id":470759,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://doi.org/10.1038/ngeo2743","text":"External Repository"},{"id":324801,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"9","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationDate":"2016-06-29","publicationStatus":"PW","scienceBaseUri":"577f6f19e4b0ef4d2f45d41d","contributors":{"authors":[{"text":"Bland, Michael T. 0000-0001-5543-1519 mbland@usgs.gov","orcid":"https://orcid.org/0000-0001-5543-1519","contributorId":146287,"corporation":false,"usgs":true,"family":"Bland","given":"Michael","email":"mbland@usgs.gov","middleInitial":"T.","affiliations":[{"id":131,"text":"Astrogeology Science Center","active":true,"usgs":true}],"preferred":true,"id":641553,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Carol A. 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The Delta Smelt is endemic to the upper San Francisco Estuary. Much of its historic habitat is no longer available and remaining habitat is increasingly unable to sustain the population. As a listed species living in the central node of California’s water supply system, Delta Smelt has been the focus of a large research effort to understand causes of decline and identify ways to recover the species. Since 2008, a remarkable record of innovative research on Delta Smelt has been achieved, which is summarized here. Unfortunately, research has not prevented the smelt’s continued decline, which is the result of multiple, interacting factors. A major driver of decline is change to the Delta ecosystem from water exports, resulting in reduced outflows and high levels of entrainment in the large pumps of the South Delta. Invasions of alien species, encouraged by environmental change, have also played a contributing role in the decline. Severe drought effects have pushed Delta Smelt to record low levels in 2014–2015. The rapid decline of the species and failure of recovery efforts demonstrate an inability to manage the Delta for the “co-equal goals” of maintaining a healthy ecosystem and providing a reliable water supply for Californians. Diverse and substantial management actions are needed to preserve Delta Smelt.
","language":"English","publisher":"University of California at Davis John Muir Institute of the Environment and the Delta Stewardship Council","doi":"10.15447/sfews.2016v14iss2art6","usgsCitation":"Moyle, P.B., Brown, L.R., Durand, J.R., and Hobbs, J.A., 2016, Delta smelt: Life history and decline of a once abundant species in the San Francisco Estuary: San Francisco Estuary and Watershed Science, v. 14, no. 2, 30 p., https://doi.org/10.15447/sfews.2016v14iss2art6.","productDescription":"30 p.","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-071974","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true},{"id":552,"text":"San Francisco Bay-Delta","active":false,"usgs":true}],"links":[{"id":470760,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.15447/sfews.2016v14iss2art6","text":"Publisher Index Page"},{"id":325570,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"San Francisco Bay","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -122.69805908203125,\n 37.37452264407722\n ],\n [\n -122.69805908203125,\n 38.3287297527893\n ],\n [\n -121.871337890625,\n 38.3287297527893\n ],\n [\n -121.871337890625,\n 37.37452264407722\n ],\n [\n -122.69805908203125,\n 37.37452264407722\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"14","issue":"2","publishingServiceCenter":{"id":1,"text":"Sacramento PSC"},"noUsgsAuthors":false,"publicationDate":"2016-07-18","publicationStatus":"PW","scienceBaseUri":"57934443e4b0eb1ce79e8be4","contributors":{"authors":[{"text":"Moyle, Peter B.","contributorId":117099,"corporation":false,"usgs":false,"family":"Moyle","given":"Peter","email":"","middleInitial":"B.","affiliations":[{"id":7214,"text":"University of California, Davis","active":true,"usgs":false}],"preferred":false,"id":643305,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Brown, Larry R. 0000-0001-6702-4531 lrbrown@usgs.gov","orcid":"https://orcid.org/0000-0001-6702-4531","contributorId":1717,"corporation":false,"usgs":true,"family":"Brown","given":"Larry","email":"lrbrown@usgs.gov","middleInitial":"R.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":643304,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Durand, John R","contributorId":173098,"corporation":false,"usgs":false,"family":"Durand","given":"John","email":"","middleInitial":"R","affiliations":[{"id":7214,"text":"University of California, Davis","active":true,"usgs":false}],"preferred":false,"id":643306,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hobbs, James A.","contributorId":171638,"corporation":false,"usgs":false,"family":"Hobbs","given":"James","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":643307,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70174284,"text":"70174284 - 2016 - Widespread detection of highly pathogenic H5 influenza viruses in wild birds from the Pacific Flyway of the United States","interactions":[],"lastModifiedDate":"2016-07-15T15:09:51","indexId":"70174284","displayToPublicDate":"2016-07-07T01:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3358,"text":"Scientific Reports","active":true,"publicationSubtype":{"id":10}},"title":"Widespread detection of highly pathogenic H5 influenza viruses in wild birds from the Pacific Flyway of the United States","docAbstract":"A novel highly pathogenic avian influenza virus belonging to the H5 clade 2.3.4.4 variant viruses was detected in North America in late 2014. Motivated by the identification of these viruses in domestic poultry in Canada, an intensive study was initiated to conduct highly pathogenic avian influenza surveillance in wild birds in the Pacific Flyway of the United States. A total of 4,729 hunter-harvested wild birds were sampled and highly pathogenic avian influenza virus was detected in 1.3% (n = 63). Three H5 clade 2.3.4.4 subtypes were isolated from wild birds, H5N2, H5N8, and H5N1, representing the wholly Eurasian lineage H5N8 and two novel reassortant viruses. Testing of 150 additional wild birds during avian morbidity and mortality investigations in Washington yielded 10 (6.7%) additional highly pathogenic avian influenza isolates (H5N8 = 3 and H5N2 = 7). The geographically widespread detection of these viruses in apparently healthy wild waterfowl suggest that the H5 clade 2.3.4.4 variant viruses may behave similarly in this taxonomic group whereby many waterfowl species are susceptible to infection but do not demonstrate obvious clinical disease. Despite these findings in wild waterfowl, mortality has been documented for some wild bird species and losses in US domestic poultry during the first half of 2015 were unprecedented.
","language":"English","publisher":"Macmillan Journals Ltd","publisherLocation":"London","doi":"10.1038/srep28980","usgsCitation":"Bevins, S., Dusek, R.J., White, C.L., Gidlewski, T., Bodenstein, B., Mansfield, K.G., DeBruyn, P., Kraege, D.K., Rowan, E., Gillin, C., Thomas, B., Chandler, S., Baroch, J., Schmit, B., Grady, M.J., Miller, R.S., Drew, M., Stopak, S., Zscheile, B., Bennett, J., Sengl, J., Brady, C., Ip, S., Spackman, E., Killian, M.L., Kim Torchetti, M., Sleeman, J.M., and DeLiberto, T., 2016, Widespread detection of highly pathogenic H5 influenza viruses in wild birds from the Pacific Flyway of the United States: Scientific Reports, v. 6, Article 28980; 9 p., https://doi.org/10.1038/srep28980.","productDescription":"Article 28980; 9 p.","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-073866","costCenters":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"links":[{"id":470765,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1038/srep28980","text":"Publisher Index Page"},{"id":324793,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Canada, Mexico, United States","otherGeospatial":"Pacific Flyway","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -153.6328125,\n 66.23145747862573\n ],\n [\n -132.890625,\n 64.32087157990324\n ],\n [\n -98.26171875,\n 15.792253570362446\n ],\n [\n -120.76171875,\n 26.745610382199022\n ],\n [\n -153.6328125,\n 66.23145747862573\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"6","publishingServiceCenter":{"id":6,"text":"Columbus PSC"},"noUsgsAuthors":false,"publicationDate":"2016-07-06","publicationStatus":"PW","scienceBaseUri":"577f6f1be4b0ef4d2f45d43b","contributors":{"authors":[{"text":"Bevins, S.N.","contributorId":38782,"corporation":false,"usgs":true,"family":"Bevins","given":"S.N.","affiliations":[],"preferred":false,"id":641677,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dusek, Robert J. 0000-0001-6177-7479 rdusek@usgs.gov","orcid":"https://orcid.org/0000-0001-6177-7479","contributorId":152316,"corporation":false,"usgs":true,"family":"Dusek","given":"Robert","email":"rdusek@usgs.gov","middleInitial":"J.","affiliations":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"preferred":false,"id":641676,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"White, C. 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J.","contributorId":172738,"corporation":false,"usgs":false,"family":"Grady","given":"M.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":641785,"contributorType":{"id":1,"text":"Authors"},"rank":15},{"text":"Miller, R. S.","contributorId":172739,"corporation":false,"usgs":false,"family":"Miller","given":"R.","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":641786,"contributorType":{"id":1,"text":"Authors"},"rank":16},{"text":"Drew, M.L.","contributorId":77712,"corporation":false,"usgs":true,"family":"Drew","given":"M.L.","email":"","affiliations":[],"preferred":false,"id":641787,"contributorType":{"id":1,"text":"Authors"},"rank":17},{"text":"Stopak, S.","contributorId":172740,"corporation":false,"usgs":false,"family":"Stopak","given":"S.","affiliations":[],"preferred":false,"id":641788,"contributorType":{"id":1,"text":"Authors"},"rank":18},{"text":"Zscheile, B.","contributorId":172741,"corporation":false,"usgs":false,"family":"Zscheile","given":"B.","email":"","affiliations":[],"preferred":false,"id":641789,"contributorType":{"id":1,"text":"Authors"},"rank":19},{"text":"Bennett, J.","contributorId":99942,"corporation":false,"usgs":true,"family":"Bennett","given":"J.","affiliations":[],"preferred":false,"id":641790,"contributorType":{"id":1,"text":"Authors"},"rank":20},{"text":"Sengl, J.","contributorId":172742,"corporation":false,"usgs":false,"family":"Sengl","given":"J.","email":"","affiliations":[],"preferred":false,"id":641791,"contributorType":{"id":1,"text":"Authors"},"rank":21},{"text":"Brady, Caroline","contributorId":145624,"corporation":false,"usgs":false,"family":"Brady","given":"Caroline","email":"","affiliations":[],"preferred":false,"id":641792,"contributorType":{"id":1,"text":"Authors"},"rank":22},{"text":"Ip, S. 0000-0003-4844-7533 hip@usgs.gov","orcid":"https://orcid.org/0000-0003-4844-7533","contributorId":727,"corporation":false,"usgs":true,"family":"Ip","given":"S.","email":"hip@usgs.gov","affiliations":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"preferred":true,"id":641793,"contributorType":{"id":1,"text":"Authors"},"rank":23},{"text":"Spackman, Erica","contributorId":53647,"corporation":false,"usgs":false,"family":"Spackman","given":"Erica","email":"","affiliations":[],"preferred":false,"id":641794,"contributorType":{"id":1,"text":"Authors"},"rank":24},{"text":"Killian, M. L.","contributorId":115430,"corporation":false,"usgs":true,"family":"Killian","given":"M.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":641795,"contributorType":{"id":1,"text":"Authors"},"rank":25},{"text":"Kim Torchetti, Mia","contributorId":139355,"corporation":false,"usgs":false,"family":"Kim Torchetti","given":"Mia","email":"","affiliations":[{"id":12747,"text":"USDA APHIS VS National Veterinary Services Laboratories, Ames, IA","active":true,"usgs":false}],"preferred":false,"id":641796,"contributorType":{"id":1,"text":"Authors"},"rank":26},{"text":"Sleeman, Jonathan M. 0000-0002-9910-6125 jsleeman@usgs.gov","orcid":"https://orcid.org/0000-0002-9910-6125","contributorId":128,"corporation":false,"usgs":true,"family":"Sleeman","given":"Jonathan","email":"jsleeman@usgs.gov","middleInitial":"M.","affiliations":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true},{"id":82110,"text":"Midcontinent Regional Director's Office","active":true,"usgs":true}],"preferred":true,"id":641797,"contributorType":{"id":1,"text":"Authors"},"rank":27},{"text":"DeLiberto, T.J.","contributorId":79328,"corporation":false,"usgs":true,"family":"DeLiberto","given":"T.J.","email":"","affiliations":[],"preferred":false,"id":641678,"contributorType":{"id":1,"text":"Authors"},"rank":28}]}} ,{"id":70179390,"text":"70179390 - 2016 - Detection, prevalence, and transmission of avian hematozoa in waterfowl at the Arctic/sub-Arctic interface: co-infections, viral interactions, and sources of variation.","interactions":[],"lastModifiedDate":"2016-12-30T10:37:46","indexId":"70179390","displayToPublicDate":"2016-07-07T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3010,"text":"Parasites & Vectors","printIssn":"1756-3305","active":true,"publicationSubtype":{"id":10}},"title":"Detection, prevalence, and transmission of avian hematozoa in waterfowl at the Arctic/sub-Arctic interface: co-infections, viral interactions, and sources of variation.","docAbstract":"Background: The epidemiology of avian hematozoa at high latitudes is still not well understood, particularly in sub-Arctic and Arctic habitats, where information is limited regarding seasonality and range of transmission, co-infection dynamics with parasitic and viral agents, and possible fitness consequences of infection. Such information is important as climate warming may lead to northward expansion of hematozoa with unknown consequences to northern-breeding avian taxa, particularly populations that may be previously unexposed to blood parasites.\nMethods: We used molecular methods to screen blood samples and cloacal/oropharyngeal swabs collected from 1347 ducks of five species during May-August 2010, in interior Alaska, for the presence of hematozoa, Influenza A Virus (IAV), and IAV antibodies. Using models to account for imperfect detection of parasites, we estimated seasonal variation in prevalence of three parasite genera (Haemoproteus, Plasmodium, Leucocytozoon) and investigated how co-infection with parasites and viruses were related to the probability of infection.\n\nResults: We detected parasites from each hematozoan genus in adult and juvenile ducks of all species sampled. Seasonal patterns in detection and prevalence varied by parasite genus and species, age, and sex of duck hosts. The probabilities of infection for Haemoproteus and Leucocytozoon parasites were strongly positively correlated, but hematozoa infection was not correlated with IAV infection or serostatus. The probability of Haemoproteus infection was negatively related to body condition in juvenile ducks; relationships between Leucocytozoon infection and body condition varied among host species.\n\nConclusions: We present prevalence estimates for Haemoproteus, Leucocytozoon, and Plasmodium infections in waterfowl at the interface of the sub-Arctic and Arctic and provide evidence for local transmission of all three parasite genera. Variation in prevalence and molecular detection of hematozoa parasites in wild ducks is influenced by seasonal timing and a number of host traits. A positive correlation in co-infection of Leucocytozoon and Haemoproteus suggests that infection probability by parasites in one or both genera is enhanced by infection with the other, or that encounter rates of hosts and genus-specific vectors are correlated. Using size-adjusted mass as an index of host condition, we did not find evidence for strong deleterious consequences of hematozoa infection in wild ducks.","language":"English","publisher":"BioMed Central","doi":"10.1186/s13071-016-1666-3","usgsCitation":"Meixell, B.W., Arnold, T.W., Lindberg, M.S., Smith, M.M., Ramey, A.M., and Runstadler, J.A., 2016, Detection, prevalence, and transmission of avian hematozoa in waterfowl at the Arctic/sub-Arctic interface: co-infections, viral interactions, and sources of variation.: Parasites & Vectors, v. 9, no. 390, 18 p., https://doi.org/10.1186/s13071-016-1666-3.","productDescription":"18 p.","ipdsId":"IP-074072","costCenters":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"links":[{"id":470767,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1186/s13071-016-1666-3","text":"Publisher Index Page"},{"id":438594,"rank":0,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/F7QJ7FD2","text":"USGS data release","linkHelpText":"Morphology and Disease Information from Waterfowl, Interior Alaska, 2010"},{"id":332677,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":332668,"type":{"id":15,"text":"Index Page"},"url":"https://dx.doi.org/ 10.1186/s13071-016-1666-3"}],"volume":"9","issue":"390","publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"noUsgsAuthors":false,"publicationDate":"2016-07-07","publicationStatus":"PW","scienceBaseUri":"586781f8e4b0cd2dabe7c719","chorus":{"doi":"10.1186/s13071-016-1666-3","url":"http://dx.doi.org/10.1186/s13071-016-1666-3","publisher":"Springer Nature","authors":"Meixell Brandt W., Arnold Todd W., Lindberg Mark S., Smith Matthew M., Runstadler Jonathan A., Ramey Andrew M.","journalName":"Parasites & Vectors","publicationDate":"7/7/2016"},"contributors":{"authors":[{"text":"Meixell, Brandt W. 0000-0002-6738-0349 bmeixell@usgs.gov","orcid":"https://orcid.org/0000-0002-6738-0349","contributorId":138716,"corporation":false,"usgs":true,"family":"Meixell","given":"Brandt","email":"bmeixell@usgs.gov","middleInitial":"W.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"preferred":true,"id":657031,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Arnold, Todd W.","contributorId":36058,"corporation":false,"usgs":false,"family":"Arnold","given":"Todd","email":"","middleInitial":"W.","affiliations":[{"id":12644,"text":"University of Minnesota, St. Paul","active":true,"usgs":false}],"preferred":false,"id":657046,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lindberg, Mark S.","contributorId":63292,"corporation":false,"usgs":false,"family":"Lindberg","given":"Mark","email":"","middleInitial":"S.","affiliations":[{"id":7211,"text":"University of Alaska, Fairbanks","active":true,"usgs":false}],"preferred":false,"id":657047,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Smith, Matthew M. 0000-0002-2259-5135 mmsmith@usgs.gov","orcid":"https://orcid.org/0000-0002-2259-5135","contributorId":5115,"corporation":false,"usgs":true,"family":"Smith","given":"Matthew","email":"mmsmith@usgs.gov","middleInitial":"M.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"preferred":true,"id":657032,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Ramey, Andrew M. 0000-0002-3601-8400 aramey@usgs.gov","orcid":"https://orcid.org/0000-0002-3601-8400","contributorId":1872,"corporation":false,"usgs":true,"family":"Ramey","given":"Andrew","email":"aramey@usgs.gov","middleInitial":"M.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"preferred":true,"id":657033,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Runstadler, Jonathan A.","contributorId":24706,"corporation":false,"usgs":false,"family":"Runstadler","given":"Jonathan","email":"","middleInitial":"A.","affiliations":[{"id":12444,"text":"Massachusetts Institute of Technology","active":true,"usgs":false}],"preferred":false,"id":657048,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70174978,"text":"70174978 - 2016 - Biogeochemical controls of uranium bioavailability from the dissolved phase in natural freshwaters","interactions":[],"lastModifiedDate":"2018-08-09T12:01:50","indexId":"70174978","displayToPublicDate":"2016-07-06T14:30:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1565,"text":"Environmental Science & Technology","onlineIssn":"1520-5851","printIssn":"0013-936X","active":true,"publicationSubtype":{"id":10}},"title":"Biogeochemical controls of uranium bioavailability from the dissolved phase in natural freshwaters","docAbstract":"To gain insights into the risks associated with uranium (U) mining and processing, we investigated the biogeochemical controls of U bioavailability in the model freshwater speciesLymnaea stagnalis (Gastropoda). Bioavailability of dissolved U(VI) was characterized in controlled laboratory experiments over a range of water hardness, pH, and in the presence of complexing ligands in the form of dissolved natural organic matter (DOM). Results show that dissolved U is bioavailable under all the geochemical conditions tested. Uranium uptake rates follow first order kinetics over a range encompassing most environmental concentrations. Uranium uptake rates in L. stagnalis ultimately demonstrate saturation uptake kinetics when exposure concentrations exceed 100 nM, suggesting uptake via a finite number of carriers or ion channels. The lack of a relationship between U uptake rate constants and Ca uptake rates suggest that U does not exclusively use Ca membrane transporters. In general, U bioavailability decreases with increasing pH, increasing Ca and Mg concentrations, and when DOM is present. Competing ions did not affect U uptake rates. Speciation modeling that includes formation constants for U ternary complexes reveals that the aqueous concentration of dicarbonato U species (UO2(CO3)2–2) best predicts U bioavailability to L. stagnalis, challenging the free-ion activity model postulate.
","language":"English","publisher":"ACS Publications","doi":"10.1021/acs.est.6b02406","usgsCitation":"Croteau, M.N., Fuller, C.C., Cain, D.J., Campbell, K.M., and Aiken, G.R., 2016, Biogeochemical controls of uranium bioavailability from the dissolved phase in natural freshwaters: Environmental Science & Technology, v. 50, no. 15, p. 8120-8127, https://doi.org/10.1021/acs.est.6b02406.","productDescription":"8 p.","startPage":"8120","endPage":"8127","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-075146","costCenters":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true},{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true}],"links":[{"id":325712,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"50","issue":"15","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationDate":"2016-07-21","publicationStatus":"PW","scienceBaseUri":"5799db3be4b0589fa1c7e732","chorus":{"doi":"10.1021/acs.est.6b02406","url":"http://dx.doi.org/10.1021/acs.est.6b02406","publisher":"American Chemical Society (ACS)","authors":"Croteau Marie-Noële, Fuller Christopher C., Cain Daniel J., Campbell Kate M., Aiken George","journalName":"Environmental Science & Technology","publicationDate":"8/2/2016"},"contributors":{"authors":[{"text":"Croteau, Marie Noele 0000-0003-0346-3580 mcroteau@usgs.gov","orcid":"https://orcid.org/0000-0003-0346-3580","contributorId":895,"corporation":false,"usgs":true,"family":"Croteau","given":"Marie","email":"mcroteau@usgs.gov","middleInitial":"Noele","affiliations":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true},{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true}],"preferred":true,"id":643486,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Fuller, Christopher C. 0000-0002-2354-8074 ccfuller@usgs.gov","orcid":"https://orcid.org/0000-0002-2354-8074","contributorId":1831,"corporation":false,"usgs":true,"family":"Fuller","given":"Christopher","email":"ccfuller@usgs.gov","middleInitial":"C.","affiliations":[{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":374,"text":"Maryland Water Science Center","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true},{"id":36183,"text":"Hydro-Ecological Interactions Branch","active":true,"usgs":true}],"preferred":true,"id":643487,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cain, Daniel J. 0000-0002-3443-0493 djcain@usgs.gov","orcid":"https://orcid.org/0000-0002-3443-0493","contributorId":1784,"corporation":false,"usgs":true,"family":"Cain","given":"Daniel","email":"djcain@usgs.gov","middleInitial":"J.","affiliations":[{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":643488,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Campbell, Kate M. 0000-0002-8715-5544 kcampbell@usgs.gov","orcid":"https://orcid.org/0000-0002-8715-5544","contributorId":1441,"corporation":false,"usgs":true,"family":"Campbell","given":"Kate","email":"kcampbell@usgs.gov","middleInitial":"M.","affiliations":[{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true}],"preferred":true,"id":643489,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Aiken, George R. 0000-0001-8454-0984 graiken@usgs.gov","orcid":"https://orcid.org/0000-0001-8454-0984","contributorId":1322,"corporation":false,"usgs":true,"family":"Aiken","given":"George","email":"graiken@usgs.gov","middleInitial":"R.","affiliations":[{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true},{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"preferred":true,"id":643490,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70174235,"text":"70174235 - 2016 - Identifying Kittlitz's Murrelet nesting habitat in North America at the landscape scale","interactions":[],"lastModifiedDate":"2016-12-09T16:32:07","indexId":"70174235","displayToPublicDate":"2016-07-06T14:30:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2287,"text":"Journal of Fish and Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Identifying Kittlitz's Murrelet nesting habitat in North America at the landscape scale","docAbstract":"The Kittlitz's Murrelet (Brachyramphus brevirostris) is a small, non-colonial seabird endemic to marine waters of Alaska and eastern Russia that may have experienced significant population decline in recent decades, in part because of low reproductive success and terrestrial threats. Although recent studies have shed new light on Kittlitz's Murrelet nesting habitat in a few discrete areas, the location and extent of suitable nesting habitat throughout most of its range remains unclear. Here, we have compiled all existing nest records and locations to identify landscape-scale parameters (distance to coast, elevation, slope, and land cover) that provide potential nesting habitat in four regions: northern Alaska, Aleutian Islands, Alaska Peninsula Mountains and Kodiak Island, and Pacific Coastal Mountains (including nearshore interior Canada). We produced a final map classifying 12% (70,411 km2) of the lands assessed as potential Kittlitz's Murrelet nesting habitat, with dense but distinct patches in northern Alaska and a more uninterrupted, narrow band extending across the Pacific Coastal Mountains, Alaska Peninsula Mountains, and Aleutian Islands. The extent of habitat-capable parameter values varied regionally, indicating that the Kittlitz's Murrelet may be able to use a variety of habitats for nesting, depending on availability. Future nesting habitat studies could employ spatially random sampling designs to allow for quantitatively robust modeling of nesting habitat and predictive extrapolation to areas where nests have not been located but likely exist.
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Center","active":true,"usgs":true}],"preferred":true,"id":641539,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kissling, Michelle L.","contributorId":172675,"corporation":false,"usgs":false,"family":"Kissling","given":"Michelle","email":"","middleInitial":"L.","affiliations":[{"id":6654,"text":"USFWS","active":true,"usgs":false}],"preferred":false,"id":641540,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kaler, Robb S.A.","contributorId":69066,"corporation":false,"usgs":true,"family":"Kaler","given":"Robb S.A.","affiliations":[],"preferred":false,"id":641541,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Kenney, Leah A.","contributorId":67011,"corporation":false,"usgs":true,"family":"Kenney","given":"Leah A.","affiliations":[],"preferred":false,"id":641542,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Lawonn, Matthew 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The shoreline has been identified across the Bonneville basin where it is characterized by one to three beach crests between ~ 1305 and 1309 m elevation, all overlain by deep-water marl of Lake Bonneville. It thus represents the lowest and earliest recognized shoreline of Lake Bonneville. Features of the shoreline indicate that both high wave energy and high stream sediment discharge contributed to shoreline development. Basin hypsometry did not play a role in the development of the shoreline, which must have been caused by a combination of climatically driven hydrologic and storm factors, such as reduced precipitation that stabilized lake level and increase in storm-driven wave energy. The Pilot Valley shoreline is poorly dated at about 30 ka. If it is somewhat older, correlation with Greenland Interstadial 5.1 at 30.8–30.6 ka could explain the stabilization of lake level.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Developments in Earth Surface Processes 20","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Elsevier","publisherLocation":"Amsterdam","doi":"10.1016/B978-0-444-63590-7.00003-2","usgsCitation":"Miller, D., and Phelps, G., 2016, The Pilot Valley shoreline: An early record of Lake Bonneville dynamics, chap. 3 of Developments in Earth Surface Processes 20, v. 20, p. 60-74, https://doi.org/10.1016/B978-0-444-63590-7.00003-2.","productDescription":"15 p.","startPage":"60","endPage":"74","ipdsId":"IP-068696","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":342958,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Idaho, Nevada, Utah","otherGeospatial":"Lake Bonneville","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -114.141667,\n 42.041667\n ],\n [\n -111,\n 42.041667\n ],\n [\n -111,\n 37\n ],\n [\n -114.141667,\n 37\n ],\n [\n -114.141667,\n 42.041667\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"20","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"59536ea8e4b062508e3c7a7b","contributors":{"authors":[{"text":"Miller, David M. 0000-0003-3711-0441 dmiller@usgs.gov","orcid":"https://orcid.org/0000-0003-3711-0441","contributorId":140769,"corporation":false,"usgs":true,"family":"Miller","given":"David M.","email":"dmiller@usgs.gov","affiliations":[{"id":309,"text":"Geology and Geophysics Science Center","active":true,"usgs":true},{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":700805,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Phelps, Geoffrey 0000-0003-1958-2736 gphelps@usgs.gov","orcid":"https://orcid.org/0000-0003-1958-2736","contributorId":127489,"corporation":false,"usgs":true,"family":"Phelps","given":"Geoffrey","email":"gphelps@usgs.gov","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":700806,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70174783,"text":"70174783 - 2016 - Spectral nature of CO2 adsorption onto meteorites","interactions":[],"lastModifiedDate":"2016-09-06T13:44:47","indexId":"70174783","displayToPublicDate":"2016-07-05T18:15:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1963,"text":"Icarus","active":true,"publicationSubtype":{"id":10}},"title":"Spectral nature of CO2 adsorption onto meteorites","docAbstract":"Previous studies have identified carbon dioxide (CO2) on the surfaces of Jovian and Galilean satellites in regions of non-ice material that are too warm for CO2 ice to exist. CO2 ice would quickly sublimate if not retained by a less-volatile material. To ascertain what non-ice species may be responsible for stabilizing this CO2, we performed CO2 gas adsorption experiments on thirteen powdered CM, CI, and CV carbonaceous chondrite meteorites. Reflectance spectra of the ν3 feature associated with adsorbed CO2 near 4.27 μm were recorded. Results show that many meteorites adsorbed some amount of CO2, as evidenced by an absorption feature that was stable over several hours at ultra-high vacuum (UHV) and high vacuum, (1.0×10−8 and 1.0×10−7 Torr, respectively). Ivuna, the only CI chondrite studied, adsorbed significantly more CO2 than the others. We found that CO2 abundance did not vary with ‘water’ abundance, organics, or carbonates as inferred from the area of the 3-μm band, the 3.2-3.4 μm C-H feature, and the ∼3.8-μm band respectively, but did correlate with hydrous/anhydrous phyllosilicate ratios. Furthermore, we did not observe CO2 ice because the position of the CO2 feature was generally shifted 3-10 nm from that of the 4.27 μm absorption characteristic of ice. The strongest compositional relationship observed was a possible affinity of CO2 for total FeO abundance and complex clay minerals, which make up the bulk of the CI chondrite matrix. This finding implies that the most primitive refractory materials in the Solar System may also act as reservoirs of CO2, and possibly other volatiles, delivering them to parts of the Solar System where their ices would not be stable.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.icarus.2016.06.020","usgsCitation":"Berlanga, G., Hibbitts, C.A., Takir, D., Dyar, D.M., and Sklute, E., 2016, Spectral nature of CO2 adsorption onto meteorites: Icarus, v. 280, p. 366-377, https://doi.org/10.1016/j.icarus.2016.06.020.","productDescription":"12 p.","startPage":"366","endPage":"377","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-071808","costCenters":[{"id":131,"text":"Astrogeology Science Center","active":true,"usgs":true}],"links":[{"id":325324,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"280","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"578a0932e4b0c1aacab7d444","contributors":{"authors":[{"text":"Berlanga, Genesis","contributorId":172920,"corporation":false,"usgs":false,"family":"Berlanga","given":"Genesis","email":"","affiliations":[{"id":7100,"text":"University of Hawai’i at Manoa, Inst. of Geophysics & Planetology","active":true,"usgs":false}],"preferred":false,"id":642610,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hibbitts, Charles A","contributorId":172921,"corporation":false,"usgs":false,"family":"Hibbitts","given":"Charles","email":"","middleInitial":"A","affiliations":[{"id":27117,"text":"Johns Hopkins Applied Physics Laboratory","active":true,"usgs":false}],"preferred":false,"id":642611,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Takir, Driss dtakir@usgs.gov","contributorId":152190,"corporation":false,"usgs":true,"family":"Takir","given":"Driss","email":"dtakir@usgs.gov","affiliations":[{"id":131,"text":"Astrogeology Science Center","active":true,"usgs":true}],"preferred":true,"id":642609,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Dyar, Draby M","contributorId":172922,"corporation":false,"usgs":false,"family":"Dyar","given":"Draby","email":"","middleInitial":"M","affiliations":[{"id":27118,"text":"Mount Holyoke College Department of Astronomy","active":true,"usgs":false}],"preferred":false,"id":642612,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Sklute, Elizabeth","contributorId":172923,"corporation":false,"usgs":false,"family":"Sklute","given":"Elizabeth","email":"","affiliations":[{"id":27118,"text":"Mount Holyoke College Department of Astronomy","active":true,"usgs":false}],"preferred":false,"id":642613,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70171333,"text":"sir20165069 - 2016 - External quality assurance project report for the National Atmospheric Deposition Program’s National Trends Network and Mercury Deposition Network, 2013–14","interactions":[],"lastModifiedDate":"2016-07-06T16:25:29","indexId":"sir20165069","displayToPublicDate":"2016-07-05T17:45:00","publicationYear":"2016","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2016-5069","title":"External quality assurance project report for the National Atmospheric Deposition Program’s National Trends Network and Mercury Deposition Network, 2013–14","docAbstract":"The U.S. Geological Survey Branch of Quality Systems operated five distinct programs to provide external quality assurance monitoring for the National Atmospheric Deposition Program’s (NADP) National Trends Network and Mercury Deposition Network during 2013–14. The National Trends Network programs include (1) a field audit program to evaluate sample contamination and stability, (2) an interlaboratory comparison program to evaluate analytical laboratory performance, and (3) a colocated sampler program to evaluate bias from precipitation sampler upgrades. The Mercury Deposition Network programs include the (4) system blank program and (5) an interlaboratory comparison program. The results indicate that NADP data continue to be of sufficient quality for the analysis of spatial distributions and time trends for chemical constituents in wet deposition.
\nThe field audit program results indicate that sample contamination levels for calcium, nitrate, and sulfate continued to increase during the study period while sodium and chloride contamination decreased and magnesium, potassium, ammonium, and hydrogen-ion contamination have remained relatively constant. Analyte losses due to potential sample instability were negligible. The NADP Central Analytical Laboratory produced interlaboratory comparison results with low bias and variability compared to other domestic and international laboratories that support atmospheric deposition monitoring.
\nColocated sampler program results from dissimilar colocated collectors suggest that the retrofit of the National Trends Network with N-CON Systems precipitation collectors could cause shifts in NADP annual deposition (concentration multiplied by depth) values from +6.2 to +51 percent for ammonium, from +8.1 to +61 percent for nitrate, from 3.8 to 71 percent for sulfate, from –24 to +15 percent for hydrogenion deposition, and larger shifts (from –14 to +102 percent) for calcium, magnesium, sodium, potassium, and chloride. The N-CON Systems collector typically catches more precipitation than the NADP-approved Aerochem Metrics Model 301 collector, but it typically caught slightly less precipitation than the Aerochem Metrics collector at a wind-swept, high-altitude site during water year 2013.
\nPaired, identical OTT Pluvio-2 and ETI Noah IV rain gages were operated at the same sites. Results of the colocated rain gages indicate from 0 to 3.7 percent median absolute percent difference for weekly precipitation-depth measurements and from 0.05 to 5.6 absolute percent difference for annual total precipitation depth.
\nThe Mercury Deposition Network programs include the system blank program and an interlaboratory comparison program. System blank results indicated that maximum total mercury contamination concentrations in samples were less than the third percentile of all Mercury Deposition Network sample concentrations. The Mercury Analytical Laboratory produced chemical concentration results with low bias and variability compared with other domestic and international laboratories that support atmospheric-deposition monitoring.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20165069","usgsCitation":"Wetherbee, G.A., and Martin, RoseAnn, 2016, External quality assurance project report for the National Atmospheric Deposition Program’s National Trends Network and Mercury Deposition Network, 2013–14: U.S. Geological Survey Scientific Investigations Report 2016–5069, 22 p., https://dx.doi.org/10.3133/sir20165069.","productDescription":"vi, 22 p.","numberOfPages":"32","onlineOnly":"Y","additionalOnlineFiles":"N","ipdsId":"IP-070529","costCenters":[{"id":143,"text":"Branch of Quality Systems","active":true,"usgs":true}],"links":[{"id":324394,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/sir/2016/5069/coverthb.jpg"},{"id":324395,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sir/2016/5069/sir20165069.pdf","text":"Report","size":"4.12 MB","linkFileType":{"id":1,"text":"pdf"},"description":"SIR 2016-5069"}],"contact":"Chief, USGS Branch of Quality Systems
Box 25046, Mail Stop 401
Denver, CO 80225
Unconventional oil and gas operations using hydraulic fracturing can contaminate surface and groundwater with endocrine-disrupting chemicals. We have previously shown that 23 of 24 commonly used hydraulic fracturing chemicals can activate or inhibit the estrogen, androgen, glucocorticoid, progesterone, and/or thyroid receptors in a human endometrial cancer cell reporter gene assay and that mixtures can behave synergistically, additively, or antagonistically on these receptors. In the current study, pregnant female C57Bl/6 dams were exposed to a mixture of 23 commonly used unconventional oil and gas chemicals at approximately 3, 30, 300, and 3000 μg/kg·d, flutamide at 50 mg/kg·d, or a 0.2% ethanol control vehicle via their drinking water from gestational day 11 through birth. This prenatal exposure to oil and gas operation chemicals suppressed pituitary hormone concentrations across experimental groups (prolactin, LH, FSH, and others), increased body weights, altered uterine and ovary weights, increased heart weights and collagen deposition, disrupted folliculogenesis, and other adverse health effects. This work suggests potential adverse developmental and reproductive health outcomes in humans and animals exposed to these oil and gas operation chemicals, with adverse outcomes observed even in the lowest dose group tested, equivalent to concentrations reported in drinking water sources. These endpoints suggest potential impacts on fertility, as previously observed in the male siblings, which require careful assessment in future studies. - See more at: http://press.endocrine.org/doi/10.1210/en.2016-1242#sthash.9kqfLvXg.dpuf
","language":"English","publisher":"Oxford Academic","doi":"10.1210/en.2016-1242","usgsCitation":"Kassotis, C.D., Bromfield, J.J., Klemp, K.C., Meng, C., Wolfe, A.R., Zoeller, T., Balise, V.D., Isiguzo, C.J., Tillitt, D.E., and Nagel, S.C., 2016, Adverse reproductive and developmental health outcomes following prenatal exposure to a 2 hydraulic fracturing chemical mixture in female C57Bl/6 mice: Endocrinology, v. 157, no. 9, p. 3469-3481, https://doi.org/10.1210/en.2016-1242.","productDescription":"13 p.","startPage":"3469","endPage":"3481","ipdsId":"IP-075315","costCenters":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true},{"id":34983,"text":"Contaminant Biology Program","active":true,"usgs":true}],"links":[{"id":470770,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1210/en.2016-1242","text":"Publisher Index Page"},{"id":336742,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"157","issue":"9","publishingServiceCenter":{"id":4,"text":"Rolla PSC"},"noUsgsAuthors":false,"publicationDate":"2016-07-05","publicationStatus":"PW","scienceBaseUri":"58b7eba7e4b01ccd5500bb19","contributors":{"authors":[{"text":"Kassotis, Christopher D.","contributorId":184181,"corporation":false,"usgs":false,"family":"Kassotis","given":"Christopher","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":673726,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bromfield, John J.","contributorId":184182,"corporation":false,"usgs":false,"family":"Bromfield","given":"John","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":673727,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Klemp, Kara C.","contributorId":150701,"corporation":false,"usgs":false,"family":"Klemp","given":"Kara","email":"","middleInitial":"C.","affiliations":[{"id":18070,"text":"Department of Obstetrics, Gynecology and Women’s Health, University of Missouri, Columbia, MO 65211","active":true,"usgs":false}],"preferred":false,"id":673728,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Meng, Chun-Xia","contributorId":150780,"corporation":false,"usgs":false,"family":"Meng","given":"Chun-Xia","email":"","affiliations":[],"preferred":false,"id":673729,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Wolfe, Andrew R.","contributorId":184183,"corporation":false,"usgs":false,"family":"Wolfe","given":"Andrew","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":673730,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Zoeller, Thomas","contributorId":184184,"corporation":false,"usgs":false,"family":"Zoeller","given":"Thomas","email":"","affiliations":[],"preferred":false,"id":673731,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Balise, Victoria D.","contributorId":150705,"corporation":false,"usgs":false,"family":"Balise","given":"Victoria","email":"","middleInitial":"D.","affiliations":[{"id":18070,"text":"Department of Obstetrics, Gynecology and Women’s Health, University of Missouri, Columbia, MO 65211","active":true,"usgs":false}],"preferred":false,"id":673732,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Isiguzo, Chiamaka J.","contributorId":150706,"corporation":false,"usgs":false,"family":"Isiguzo","given":"Chiamaka","email":"","middleInitial":"J.","affiliations":[{"id":18070,"text":"Department of Obstetrics, Gynecology and Women’s Health, University of Missouri, Columbia, MO 65211","active":true,"usgs":false}],"preferred":false,"id":673733,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Tillitt, Donald E. 0000-0002-8278-3955 dtillitt@usgs.gov","orcid":"https://orcid.org/0000-0002-8278-3955","contributorId":1875,"corporation":false,"usgs":true,"family":"Tillitt","given":"Donald","email":"dtillitt@usgs.gov","middleInitial":"E.","affiliations":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"preferred":true,"id":673725,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Nagel, Susan C.","contributorId":184185,"corporation":false,"usgs":false,"family":"Nagel","given":"Susan","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":673734,"contributorType":{"id":1,"text":"Authors"},"rank":10}]}} ,{"id":70175393,"text":"70175393 - 2016 - Implications of climate change for wetland-dependent birds in the Prairie Pothole Region","interactions":[],"lastModifiedDate":"2017-01-03T16:15:45","indexId":"70175393","displayToPublicDate":"2016-07-04T09:15:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3750,"text":"Wetlands","onlineIssn":"1943-6246","printIssn":"0277-5212","active":true,"publicationSubtype":{"id":10}},"title":"Implications of climate change for wetland-dependent birds in the Prairie Pothole Region","docAbstract":"The habitats and food resources required to support breeding and migrant birds dependent on North American prairie wetlands are threatened by impending climate change. The North American Prairie Pothole Region (PPR) hosts nearly 120 species of wetland-dependent birds representing 21 families. Strategic management requires knowledge of avian habitat requirements and assessment of species most vulnerable to future threats. We applied bioclimatic species distribution models (SDMs) to project range changes of 29 wetland-dependent bird species using ensemble modeling techniques, a large number of General Circulation Models (GCMs), and hydrological climate covariates. For the U.S. PPR, mean projected range change, expressed as a proportion of currently occupied range, was −0.31 (± 0.22 SD; range − 0.75 to 0.16), and all but two species were projected to lose habitat. Species associated with deeper water were expected to experience smaller negative impacts of climate change. The magnitude of climate change impacts was somewhat lower in this study than earlier efforts most likely due to use of different focal species, varying methodologies, different modeling decisions, or alternative GCMs. Quantification of the projected species-specific impacts of climate change using species distribution modeling offers valuable information for vulnerability assessments within the conservation planning process.
","language":"English","publisher":"Society of Wetland Scientists","publisherLocation":"McClean, VA","doi":"10.1007/s13157-016-0791-2","usgsCitation":"Steen, V., Skagen, S., and Melcher, C.P., 2016, Implications of climate change for wetland-dependent birds in the Prairie Pothole Region: Wetlands, v. 36, no. s2, p. 445-459, https://doi.org/10.1007/s13157-016-0791-2.","productDescription":"15 p.","startPage":"445","endPage":"459","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-073432","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":326285,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Canada, United States","otherGeospatial":"Prairie Pothole Region","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -113.73046875,\n 48.83579746243093\n ],\n [\n -112.3681640625,\n 48.40003249610685\n ],\n [\n -108.984375,\n 48.63290858589532\n ],\n [\n -105.6884765625,\n 48.574789910928864\n ],\n [\n -104.150390625,\n 48.45835188280866\n ],\n [\n -103.0517578125,\n 48.22467264956519\n ],\n [\n -102.48046875,\n 47.84265762816538\n ],\n [\n -101.953125,\n 47.54687159892238\n ],\n [\n -100.5029296875,\n 47.100044694025215\n ],\n [\n -100.32714843749999,\n 46.46813299215554\n ],\n [\n -100.2392578125,\n 45.82879925192134\n ],\n [\n -99.97558593749999,\n 45.02695045318546\n ],\n [\n -99.5361328125,\n 44.11914151643737\n ],\n [\n -98.26171875,\n 43.929549935614595\n ],\n [\n -97.03125,\n 43.89789239125797\n ],\n [\n -96.45996093749999,\n 44.276671273775186\n ],\n [\n -95.712890625,\n 43.866218006556394\n ],\n [\n -95.4052734375,\n 43.229195113965005\n ],\n [\n -94.921875,\n 42.68243539838623\n ],\n [\n -94.1748046875,\n 42.00032514831621\n ],\n [\n -93.6474609375,\n 41.77131167976407\n ],\n [\n -93.0322265625,\n 42.032974332441405\n ],\n [\n -92.6806640625,\n 42.94033923363181\n ],\n [\n -93.251953125,\n 43.89789239125797\n ],\n [\n -94.2626953125,\n 44.77793589631623\n ],\n [\n -95.2294921875,\n 45.521743896993634\n ],\n [\n -95.625,\n 45.67548217560647\n ],\n [\n -96.15234375,\n 47.100044694025215\n ],\n [\n -96.94335937499999,\n 48.45835188280866\n ],\n [\n -97.3828125,\n 49.095452162534826\n ],\n [\n -99.404296875,\n 50.875311142200765\n ],\n [\n -100.7666015625,\n 52.214338608258224\n ],\n [\n -102.4365234375,\n 53.35710874569601\n ],\n [\n -105.46875,\n 54.80068486732233\n ],\n [\n -108.3251953125,\n 56.24334992410525\n ],\n [\n -110.61035156249999,\n 57.16007826737998\n ],\n [\n -111.97265625,\n 57.77451753559619\n ],\n [\n -115.400390625,\n 57.088515327886505\n ],\n [\n -114.6533203125,\n 54.316523240258284\n ],\n [\n -114.5654296875,\n 51.37178037591739\n ],\n [\n -113.73046875,\n 48.83579746243093\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"36","issue":"s2","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationDate":"2016-07-04","publicationStatus":"PW","scienceBaseUri":"57aaff4ce4b05e859be0f5bf","contributors":{"authors":[{"text":"Steen, Valerie vsteen@usgs.gov","contributorId":5598,"corporation":false,"usgs":true,"family":"Steen","given":"Valerie","email":"vsteen@usgs.gov","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":645033,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Skagen, Susan K. 0000-0002-6744-1244 skagens@usgs.gov","orcid":"https://orcid.org/0000-0002-6744-1244","contributorId":167829,"corporation":false,"usgs":true,"family":"Skagen","given":"Susan K.","email":"skagens@usgs.gov","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":false,"id":645032,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Melcher, Cynthia P. 0000-0002-8044-9689 melcherc@usgs.gov","orcid":"https://orcid.org/0000-0002-8044-9689","contributorId":5094,"corporation":false,"usgs":true,"family":"Melcher","given":"Cynthia","email":"melcherc@usgs.gov","middleInitial":"P.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":645034,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70174090,"text":"70174090 - 2016 - Blood selenium concentrations in female Pacific black brant molting in Arctic Alaska: Relationships with age and habitat salinity","interactions":[],"lastModifiedDate":"2018-08-07T12:24:07","indexId":"70174090","displayToPublicDate":"2016-07-02T14:30:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2676,"text":"Marine Pollution Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Blood selenium concentrations in female Pacific black brant molting in Arctic Alaska: Relationships with age and habitat salinity","docAbstract":"Blood samples collected from 81 female Pacific black brant (Branta bernicla nigricans) molting near Teshekpuk Lake, Alaska, were analyzed for selenium concentration. The concentration of selenium in blood of after second year (hatched two or more years ago) females (0.84 μg/g wet weight) was significantly greater than the concentration in second year (hatched the previous year) females (0.61 μg/g wet weight). The concentrations of selenium we found in blood of black brant were 1.5 to 2 times greater than baseline values typical of freshwater birds, but considerably lower than reported in other marine waterfowl sampled in Alaska. This finding may be attributable in part to the nearly exclusive herbivorous diet of black brant. No relationship was noted between blood selenium concentration and molting habitat salinity. We are unaware of any previous reports of blood selenium concentrations in black brant.
","language":"English","publisher":"International Conference on the Environmental Management of Enclosed Coastal Seas","publisherLocation":"London","doi":"10.1016/j.marpolbul.2016.06.110","usgsCitation":"Franson, J., Flint, P.L., and Schmutz, J.A., 2016, Blood selenium concentrations in female Pacific black brant molting in Arctic Alaska: Relationships with age and habitat salinity: Marine Pollution Bulletin, v. 111, no. 1-2, p. 453-455, https://doi.org/10.1016/j.marpolbul.2016.06.110.","productDescription":"3 p.","startPage":"453","endPage":"455","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-076976","costCenters":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true},{"id":34983,"text":"Contaminant Biology Program","active":true,"usgs":true}],"links":[{"id":470771,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.marpolbul.2016.06.110","text":"Publisher Index Page"},{"id":325933,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","volume":"111","issue":"1-2","publishingServiceCenter":{"id":6,"text":"Columbus PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57a1c42de4b006cb45552bf7","chorus":{"doi":"10.1016/j.marpolbul.2016.06.110","url":"http://dx.doi.org/10.1016/j.marpolbul.2016.06.110","publisher":"Elsevier BV","authors":"Franson J. Christian, Flint Paul L., Schmutz Joel A.","journalName":"Marine Pollution Bulletin","publicationDate":"10/2016"},"contributors":{"authors":[{"text":"Franson, J. Christian jfranson@usgs.gov","contributorId":149318,"corporation":false,"usgs":true,"family":"Franson","given":"J. Christian","email":"jfranson@usgs.gov","affiliations":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"preferred":false,"id":640949,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Flint, Paul L. 0000-0002-8758-6993 pflint@usgs.gov","orcid":"https://orcid.org/0000-0002-8758-6993","contributorId":3284,"corporation":false,"usgs":true,"family":"Flint","given":"Paul","email":"pflint@usgs.gov","middleInitial":"L.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":640950,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Schmutz, Joel A. 0000-0002-6516-0836 jschmutz@usgs.gov","orcid":"https://orcid.org/0000-0002-6516-0836","contributorId":1805,"corporation":false,"usgs":true,"family":"Schmutz","given":"Joel","email":"jschmutz@usgs.gov","middleInitial":"A.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":640951,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70175366,"text":"70175366 - 2016 - Extraordinary sediment delivery and rapid geomorphic response following the 2008–2009 eruption of Chaitén Volcano, Chile","interactions":[],"lastModifiedDate":"2019-12-14T07:00:15","indexId":"70175366","displayToPublicDate":"2016-07-02T09:15:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3722,"text":"Water Resources Research","onlineIssn":"1944-7973","printIssn":"0043-1397","active":true,"publicationSubtype":{"id":10}},"title":"Extraordinary sediment delivery and rapid geomorphic response following the 2008–2009 eruption of Chaitén Volcano, Chile","docAbstract":"The 10 day explosive phase of the 2008–2009 eruption of Chaitén volcano, Chile, draped adjacent watersheds with a few cm to >1 m of tephra. Subsequent lava-dome collapses generated pyroclastic flows that delivered additional sediment. During the waning phase of explosive activity, modest rainfall triggered an extraordinary sediment flush which swiftly aggraded multiple channels by many meters. Ten kilometer from the volcano, Chaitén River channel aggraded 7 m and the river avulsed through a coastal town. That aggradation and delta growth below the abandoned and avulsed channels allow estimates of postdisturbance traction-load transport rate. On the basis of preeruption bathymetry and remotely sensed measurements of delta-surface growth, we derived a time series of delta volume. The initial flush from 11 to 14 May 2008 deposited 0.5–1.5 × 106 m3 of sediment at the mouth of Chaitén River. By 26 May, after channel avulsion, a second delta amassed about 2 × 106 m3 of sediment; by late 2011 it amassed about 11 × 106 m3. Accumulated sediment consists of low-density vesicular pumice and lithic rhyolite sand. Rates of channel aggradation and delta growth, channel width, and an assumed deposit bulk density of 1100–1500 kg m−3 indicate mean traction-load transport rate just before and shortly after avulsion (∼14–15 May) was very high, possibly as great as several tens of kg s−1 m−1. From October 2008 to December 2011, mean traction-load transport rate declined from about 7 to 0.4 kg−1 m−1. Despite extraordinary sediment delivery, disturbed channels recovered rapidly (a few years).
","language":"English","publisher":"American Geophysical Union","publisherLocation":"Washington, D.C.","doi":"10.1002/2015WR018250","usgsCitation":"Major, J.J., Bertin, D., Pierson, T.C., Amigo, A., Iroume, A., Ulloa, H., and Castro, J.M., 2016, Extraordinary sediment delivery and rapid geomorphic response following the 2008–2009 eruption of Chaitén Volcano, Chile: Water Resources Research, v. 52, no. 7, p. 5075-5094, https://doi.org/10.1002/2015WR018250.","productDescription":"20 p.","startPage":"5075","endPage":"5094","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-070007","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":486951,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"http://americanae.aecid.es/americanae/es/registros/registro.do?tipoRegistro=MTD&idBib=3232007","text":"External Repository"},{"id":326192,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Chile","otherGeospatial":"Chaitén Volcano","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -74.15771484375,\n -43.91372326852401\n ],\n [\n -71.34521484375,\n -43.91372326852401\n ],\n [\n -71.34521484375,\n -40.76390128094587\n ],\n [\n -74.15771484375,\n -40.76390128094587\n ],\n [\n -74.15771484375,\n -43.91372326852401\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"52","issue":"7","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationDate":"2016-07-02","publicationStatus":"PW","scienceBaseUri":"57a9ad50e4b05e859bdfb93c","contributors":{"authors":[{"text":"Major, Jon J. 0000-0003-2449-4466 jjmajor@usgs.gov","orcid":"https://orcid.org/0000-0003-2449-4466","contributorId":439,"corporation":false,"usgs":true,"family":"Major","given":"Jon","email":"jjmajor@usgs.gov","middleInitial":"J.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":644933,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bertin, Daniel","contributorId":173512,"corporation":false,"usgs":false,"family":"Bertin","given":"Daniel","email":"","affiliations":[{"id":27236,"text":"SERNAGEOMIN","active":true,"usgs":false}],"preferred":false,"id":644934,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Pierson, Thomas C. 0000-0001-9002-4273 tpierson@usgs.gov","orcid":"https://orcid.org/0000-0001-9002-4273","contributorId":2498,"corporation":false,"usgs":true,"family":"Pierson","given":"Thomas","email":"tpierson@usgs.gov","middleInitial":"C.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":644935,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Amigo, Alvaro","contributorId":173513,"corporation":false,"usgs":false,"family":"Amigo","given":"Alvaro","affiliations":[{"id":27236,"text":"SERNAGEOMIN","active":true,"usgs":false}],"preferred":false,"id":644936,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Iroume, Andres","contributorId":173514,"corporation":false,"usgs":false,"family":"Iroume","given":"Andres","email":"","affiliations":[{"id":27237,"text":"University Austral de Chile","active":true,"usgs":false}],"preferred":false,"id":644937,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Ulloa, Hector","contributorId":173515,"corporation":false,"usgs":false,"family":"Ulloa","given":"Hector","email":"","affiliations":[{"id":27237,"text":"University Austral de Chile","active":true,"usgs":false}],"preferred":false,"id":644938,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Castro, Jonathan M.","contributorId":45198,"corporation":false,"usgs":true,"family":"Castro","given":"Jonathan","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":644939,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ,{"id":70199855,"text":"70199855 - 2016 - A framework for effective use of hydroclimate models in climate-change adaptation planning for managed habitats with limited hydrologic response data","interactions":[],"lastModifiedDate":"2018-10-01T15:34:04","indexId":"70199855","displayToPublicDate":"2016-07-01T15:33:56","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1547,"text":"Environmental Management","active":true,"publicationSubtype":{"id":10}},"title":"A framework for effective use of hydroclimate models in climate-change adaptation planning for managed habitats with limited hydrologic response data","docAbstract":"Climate-change adaptation planning for managed wetlands is challenging under uncertain futures when the impact of historic climate variability on wetland response is unquantified. We assessed vulnerability of Modoc National Wildlife Refuge (MNWR) through use of the Basin Characterization Model (BCM) landscape hydrology model, and six global climate models, representing projected wetter and drier conditions. We further developed a conceptual model that provides greater value for water managers by incorporating the BCM outputs into a conceptual framework that links modeled parameters to refuge management outcomes. This framework was used to identify landscape hydrology parameters that reflect refuge sensitivity to changes in (1) climatic water deficit (CWD) and recharge, and (2) the magnitude, timing, and frequency of water inputs. BCM outputs were developed for 1981–2100 to assess changes and forecast the probability of experiencing wet and dry water year types that have historically resulted in challenging conditions for refuge habitat management. We used a Yule’s Q skill score to estimate the probability of modeled discharge that best represents historic water year types. CWD increased in all models across 72.3–100 % of the water supply basin by 2100. Earlier timing in discharge, greater cool season discharge, and lesser irrigation season water supply were predicted by most models. Under the worst-case scenario, moderately dry years increased from 10–20 to 40–60 % by 2100. MNWR could adapt by storing additional water during the cool season for later use and prioritizing irrigation of habitats during dry years.
","language":"English","publisher":"Springer","doi":"10.1007/s00267-015-0569-y","usgsCitation":"Esralew, R.A., Flint, L.E., Thorne, J.H., Boynton, R., and Flint, A.L., 2016, A framework for effective use of hydroclimate models in climate-change adaptation planning for managed habitats with limited hydrologic response data: Environmental Management, v. 58, no. 1, p. 60-75, https://doi.org/10.1007/s00267-015-0569-y.","productDescription":"16 p.","startPage":"60","endPage":"75","ipdsId":"IP-077879","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":470772,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1007/s00267-015-0569-y","text":"Publisher Index Page"},{"id":357987,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","city":"Alturas","otherGeospatial":"Modoc National Wildlife Refuge","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -120.64498901367186,\n 41.376808565702355\n ],\n [\n -120.4314422607422,\n 41.376808565702355\n ],\n [\n -120.4314422607422,\n 41.534796133205184\n ],\n [\n -120.64498901367186,\n 41.534796133205184\n ],\n [\n -120.64498901367186,\n 41.376808565702355\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"58","issue":"1","publishingServiceCenter":{"id":1,"text":"Sacramento PSC"},"noUsgsAuthors":false,"publicationDate":"2015-07-04","publicationStatus":"PW","scienceBaseUri":"5bc03300e4b0fc368eb53a76","contributors":{"authors":[{"text":"Esralew, Rachel A.","contributorId":104862,"corporation":false,"usgs":true,"family":"Esralew","given":"Rachel","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":746916,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Flint, Lorraine E. 0000-0002-7868-441X lflint@usgs.gov","orcid":"https://orcid.org/0000-0002-7868-441X","contributorId":1184,"corporation":false,"usgs":true,"family":"Flint","given":"Lorraine","email":"lflint@usgs.gov","middleInitial":"E.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":746915,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Thorne, James H.","contributorId":139144,"corporation":false,"usgs":false,"family":"Thorne","given":"James","email":"","middleInitial":"H.","affiliations":[{"id":12659,"text":"U C Davis","active":true,"usgs":false}],"preferred":false,"id":746917,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Boynton, Ryan","contributorId":36403,"corporation":false,"usgs":true,"family":"Boynton","given":"Ryan","affiliations":[],"preferred":false,"id":746918,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Flint, Alan L. 0000-0002-5118-751X aflint@usgs.gov","orcid":"https://orcid.org/0000-0002-5118-751X","contributorId":1492,"corporation":false,"usgs":true,"family":"Flint","given":"Alan","email":"aflint@usgs.gov","middleInitial":"L.","affiliations":[{"id":657,"text":"Western Geographic Science Center","active":true,"usgs":true},{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":746919,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70171019,"text":"70171019 - 2016 - Anadromous salmonids in the Delta: New science 2006–2016","interactions":[],"lastModifiedDate":"2018-09-25T11:05:20","indexId":"70171019","displayToPublicDate":"2016-07-01T11:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3331,"text":"San Francisco Estuary and Watershed Science","active":true,"publicationSubtype":{"id":10}},"title":"Anadromous salmonids in the Delta: New science 2006–2016","docAbstract":"As juvenile salmon enter the Sacramento–SanJoaquin River Delta (“the Delta”) they disperse among its complex channel network where they are subject to channel-specific processes that affect their rate of migration, vulnerability to predation, feeding success, growth rates, and ultimately, survival. In the decades before 2006, tools available to quantify growth, dispersal, and survival of juvenile salmon in this complex channel network were limited.Fortunately, thanks to technological advances such as acoustic telemetry and chemical and structural otolith analysis, much has been learned over the past decade about the role of the Delta in the life cycle of juvenile salmon. Here, we review new science between 2006and 2016 that sheds light on how different life stages and runs of juvenile salmon grow, move, and survive in the complex channel network of the Delta. One of the most important advances during the past decade has been the widespread adoption of acoustic telemetry techniques. Use of telemetry has shed light on how survival varies among alternative migration routes and the proportion of fish that use each migration route. Chemical and structural analysis of otoliths has provided insights about when juveniles left their natal river and provided evidence of extended rearing in the brackish or saltwater regions of the Delta. New advancements in genetics now allow individuals captured by trawls to be assigned to specific runs. Detailed information about movement and survival in the Delta has spurred development of agent-based models of juvenile salmon that are coupled to hydrodynamic models. Although much has been learned, knowledge gaps remain about how very small juvenile salmon (fry and parr) use the Delta. Understanding how all life stages of juvenile salmon grow, rear, and survive in the Delta is critical for devising management strategies that support a diversity of life history strategies.
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