No abstract available.
From September to November 2000, United States Fish and Wildlife Service biologists investigated incidents involving 221 bird deaths at 3 mine sites located in New Mexico and Arizona. These bird deaths primarily involved passerine and waterfowl species and were assumed to be linked to consumption of acid metalliferous water (AMW). Because all of the carcasses were found in or near pregnant leach solution ponds, tailings ponds, and associated lakes or storm water retention basins, an acute-toxicity study was undertaken using a synthetic AMW (SAMW) formulation based on the contaminant profile of a representative pond believed to be responsible for avian mortalities. An acute oral-toxicity trial was performed with a mixed-sex group of mallards (Anas platyrhynchos). After a 24-h pretreatment food and water fast, gorge drinking was evident in both SAMW treatment and control groups, with water consumption rates greatest during the initial drinking periods. Seven of nine treated mallards were killed in extremis within 12 h after the initiation of dose. Total lethal doses of SAMW ranged from 69.8 to 270.1 mL/kg (mean ± SE 127.9 ± 27.1). Lethal doses of SAMW were consumed in as few as 20 to 40 min after first exposure. Clinical signs of SAMW toxicity included increased serum uric acid, aspartate aminotransferase, creatine kinase, potassium, and P levels. PCV values of SAMW-treated birds were also increased compared with control mallards. Histopathological lesions were observed in the esophagus, proventriculus, ventriculus, and duodenum of SAMW-treated mallards, with the most distinctive being erosion and ulceration of the kaolin of the ventriculus, ventricular hemorrhage and/or congestion, and duodenal hemorrhage. Clinical, pathological, and tissue-residue results from this study are consistent with literature documenting acute metal toxicosis, especially copper (Cu), in avian species and provide useful diagnostic profiles for AMW toxicity or mortality events. Blood and kidney Cu concentrations were 23- and 6-fold greater, respectively, in SAMW mortalities compared with controls, whereas Cu concentrations in liver were not nearly as increased, suggesting that blood and kidney concentrations may be more useful than liver concentrations for diagnosing Cu toxicosis in wild birds. Based on these findings and other reports of AMW toxicity events in wild birds, we conclude that AMW bodies pose a significant hazard to wildlife that come in contact with them.
","language":"English","publisher":"Springer","doi":"10.1007/s00244-011-9657-z","issn":"00904341","usgsCitation":"Isanhart, J., Wu, H., Pandher, K., MacRae, R., Cox, S., and Hooper, M., 2011, Behavioral, clinical, and pathological characterization of acid metalliferous water toxicity in mallards: Archives of Environmental Contamination and Toxicology, v. 61, no. 4, p. 653-667, https://doi.org/10.1007/s00244-011-9657-z.","productDescription":"15 p.","startPage":"653","endPage":"667","numberOfPages":"15","costCenters":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true},{"id":34983,"text":"Contaminant Biology Program","active":true,"usgs":true}],"links":[{"id":243599,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":215774,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s00244-011-9657-z"}],"volume":"61","issue":"4","noUsgsAuthors":false,"publicationDate":"2011-03-19","publicationStatus":"PW","scienceBaseUri":"5059f0aae4b0c8380cd4a844","contributors":{"authors":[{"text":"Isanhart, J.P.","contributorId":72220,"corporation":false,"usgs":true,"family":"Isanhart","given":"J.P.","affiliations":[],"preferred":false,"id":446462,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wu, H.","contributorId":12707,"corporation":false,"usgs":true,"family":"Wu","given":"H.","affiliations":[],"preferred":false,"id":446459,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Pandher, K.","contributorId":91709,"corporation":false,"usgs":true,"family":"Pandher","given":"K.","affiliations":[],"preferred":false,"id":446464,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"MacRae, R.K.","contributorId":19394,"corporation":false,"usgs":true,"family":"MacRae","given":"R.K.","email":"","affiliations":[],"preferred":false,"id":446460,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Cox, S.B.","contributorId":78576,"corporation":false,"usgs":true,"family":"Cox","given":"S.B.","email":"","affiliations":[],"preferred":false,"id":446463,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Hooper, M.J.","contributorId":70581,"corporation":false,"usgs":true,"family":"Hooper","given":"M.J.","email":"","affiliations":[],"preferred":false,"id":446461,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70034599,"text":"70034599 - 2011 - A large and persistent carbon sink in the world's forests","interactions":[],"lastModifiedDate":"2021-04-16T15:56:48.652978","indexId":"70034599","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3338,"text":"Science","active":true,"publicationSubtype":{"id":10}},"title":"A large and persistent carbon sink in the world's forests","docAbstract":"The terrestrial carbon sink has been large in recent decades, but its size and location remain uncertain. Using forest inventory data and long-term ecosystem carbon studies, we estimate a total forest sink of 2.4 ± 0.4 petagrams of carbon per year (Pg C year–1) globally for 1990 to 2007. We also estimate a source of 1.3 ± 0.7 Pg C year–1 from tropical land-use change, consisting of a gross tropical deforestation emission of 2.9 ± 0.5 Pg C year–1 partially compensated by a carbon sink in tropical forest regrowth of 1.6 ± 0.5 Pg C year–1. Together, the fluxes comprise a net global forest sink of 1.1 ± 0.8 Pg C year–1, with tropical estimates having the largest uncertainties. Our total forest sink estimate is equivalent in magnitude to the terrestrial sink deduced from fossil fuel emissions and land-use change sources minus ocean and atmospheric sinks.
Butler’s gartersnake (Thamnophis butleri) was previously listed by the Wisconsin Department of Natural Resources as a state threatened species. Several key questions associated with species identity, integrity, and hybridization with other gartersnake species needed to be addressed to further refi ne the management plan for this species. The objectives of this research were: 1) to determine if genetic markers developed in the initial phase of research could identify discrete genetic groups of Wisconsin gartersnakes, 2) to determine if any or all genetic groups delineated in objective one were consistent with Butler’s gartersnake, plains gartersnake (T. radix), and/or common gartersnake (T. sirtalis), and 3) to determine if any of the genetic data were consistent with hybridization occurring between gartersnakes in Wisconsin. Snakes were sampled from various Midwestern locations with a focus on sites in Wisconsin. All snakes were photo-vouchered, morphological landmarks were taken, and a tail snip was collected for genetic analysis. Genetic data from previously developed microsatellite markers discriminated three genetic groups from a composite 13-locus dataset (N=815) using the Bayesian admixture analysis in STRUCTURE v2.3.3. These units were highly consistent with species-groups based on the membership of a small number of known snakes from areas where the species are not thought to co-occur. Using a threshold q-value (proportional genotype) of ≥80%, 498 Butler’s gartersnakes, 93 plains gartersnakes, and 107 common gartersnakes were identifi ed in Wisconsin samples; putative hybrid snakes of Butler’s gartersnake x plain gartersnake (34), Butler’s gartersnake x common gartersnake (8), and a single ambiguous snake were also identifi ed in Wisconsin samples. Levels of divergence among the species groups from Wisconsin were lower than between species groups from other states consistent with either larger than expected Wisconsin population sizes or signifi cant gene fl ow (introgressive hybridization) having occurred among species. Regardless, levels of divergence and overall integrity of the three groups were such that the presence of three species of gartersnakes in Wisconsin was supported and hybridization, at a minimum between Butler’s gartersnakes and the two other species, was shown to occur.
","language":"English","publisher":"Wisconsin Department of Natural Resources","usgsCitation":"Sloss, B.L., 2011, Genetic identity of Thamnophis sp. using microsatellite genetic markers: Wisconsin DNR Research Report, 15 p.","productDescription":"15 p.","ipdsId":"IP-033230","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":350714,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":350713,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://dnr.wi.gov/files/PDF/pubs/ss/SS0592.pdf"}],"publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5a6c4c99e4b06e28e9cabb22","contributors":{"authors":[{"text":"Sloss, Brian L. bsloss@usgs.gov","contributorId":702,"corporation":false,"usgs":true,"family":"Sloss","given":"Brian","email":"bsloss@usgs.gov","middleInitial":"L.","affiliations":[],"preferred":true,"id":720502,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70040055,"text":"70040055 - 2011 - Effectiveness of bait tubes for brown treesnake control on Guam","interactions":[],"lastModifiedDate":"2017-06-30T15:25:37","indexId":"70040055","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Effectiveness of bait tubes for brown treesnake control on Guam","docAbstract":"A bait tube is a device with which a toxicant inserted in a dead mouse (Mus musculus) can be delivered to invasive brown treesnakes (Boiga irregularis) with low risk of non-target bait take. We tested two bait tube designs in a 5ha snake enclosure where the identity of virtually every snake is known. Instead of using toxicants, we implanted radio transmitters in small (6.6±1.4 g) and large (21.8±2.9 g) bait mice. Knowing all snakes present in the population allowed us to characterize not only covariates of snakes taking bait, but also those of snakes evading our mock control effort, and if snake covariates interacted with any design variable in determining targeting rate. Tube design had no effect on take rate. Snake snout-vent length was a strong predictor of success: none of the 29 snakes smaller than 843 mm took any bait, while the 126 snakes ≥843 mm were responsible for a total of 164 bait takes. The smallest of these snakes were able to ingest small and large mice, but tended to consume small bait at a higher rate than large bait. The main reason for our failure to target smallest snakes appears not to be gape limitation, but rather that small snakes prefer other prey (lizards). The time it takes a snake to grow from the size threshold observed to the size of maturation has implications for the interval between discrete efforts using toxic bait. Targeting all snakes before reproduction can occur is highly desirable; otherwise, a new cohort of refractory snakes may enter the population.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Island Invasives: Eradication and Management: Proceedings of the International Conference on Island Invasives","largerWorkSubtype":{"id":12,"text":"Conference publication"},"language":"English","publisher":"IUCN","publisherLocation":"Gland, Switzerland","usgsCitation":"Lardner, B., Savidge, J.A., Rodda, G., Reed, R., Yackel Adams, A., and Clark, C., 2011, Effectiveness of bait tubes for brown treesnake control on Guam, in Island Invasives: Eradication and Management: Proceedings of the International Conference on Island Invasives, p. 527-527.","productDescription":"1 p.","startPage":"527","endPage":"527","numberOfPages":"1","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":262463,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Guam","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"50db29c9e4b0612706008f00","contributors":{"authors":[{"text":"Lardner, B.","contributorId":101910,"corporation":false,"usgs":true,"family":"Lardner","given":"B.","email":"","affiliations":[],"preferred":false,"id":467580,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Savidge, J. A.","contributorId":36078,"corporation":false,"usgs":false,"family":"Savidge","given":"J.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":467578,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Rodda, G.H.","contributorId":103998,"corporation":false,"usgs":true,"family":"Rodda","given":"G.H.","email":"","affiliations":[],"preferred":false,"id":467581,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Reed, R.N. 0000-0001-8349-6168","orcid":"https://orcid.org/0000-0001-8349-6168","contributorId":49092,"corporation":false,"usgs":true,"family":"Reed","given":"R.N.","affiliations":[],"preferred":false,"id":467579,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Yackel Adams, A. A. 0000-0002-7044-8447","orcid":"https://orcid.org/0000-0002-7044-8447","contributorId":16792,"corporation":false,"usgs":true,"family":"Yackel Adams","given":"A. A.","affiliations":[],"preferred":false,"id":467576,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Clark, C.S.","contributorId":20288,"corporation":false,"usgs":true,"family":"Clark","given":"C.S.","email":"","affiliations":[],"preferred":false,"id":467577,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70193758,"text":"70193758 - 2011 - Assessing field-scale biogeophysical signatures of bioremediation over a mature crude oil spill","interactions":[],"lastModifiedDate":"2019-10-24T14:55:06","indexId":"70193758","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"chapter":"B-9","title":"Assessing field-scale biogeophysical signatures of bioremediation over a mature crude oil spill","docAbstract":"We conducted electrical geophysical measurements at the National Crude Oil Spill Fate and Natural Attenuation Research Site (Bemidji, MN). Borehole and surface self-potential measurements do not show evidence for the existence of a biogeobattery mechanism in response to the redox gradient resulting from biodegradation of oil. The relatively small self potentials recorded are instead consistent with an electrodiffusion mechanism driven by differences in the mobility of charge carriers associated with biodegradation byproducts. Complex resistivity measurements reveal elevated electrical conductivity and interfacial polarization at the water table where oil contamination is present, extending into the unsaturated zone. This finding implies that the effect of microbial cell growth/attachment, biofilm formation, and mineral weathering accompanying hydrocarbon biodegradation on complex interfacial conductivity imparts a sufficiently large electrical signal to be measured using field-scale geophysical techniques.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Proceedings of the first international symposium on bioremediation and sustainable environmental technologies","largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"First international symposium on bioremediation and sustainable environmental technologies","conferenceDate":"June 27-30, 2011","conferenceLocation":"Reno, NV","language":"English","publisher":"Battelle Memorial Institute","publisherLocation":"Columbus, OH","isbn":"978-0-9819730-4-3","usgsCitation":"Slater, L., Ntarlagiannis, D., Atekwana, E., Mewafy, F., Revil, A., Skold, M., Gorby, Y., Day-Lewis, F.D., Lane, J.W., Trost, J.J., Werkema, D.D., Delin, G.N., and Herkelrath, W.N., 2011, Assessing field-scale biogeophysical signatures of bioremediation over a mature crude oil spill, in Proceedings of the first international symposium on bioremediation and sustainable environmental technologies, Reno, NV, June 27-30, 2011, 9 p.","productDescription":"9 p.","ipdsId":"IP-029602","costCenters":[{"id":486,"text":"OGW Branch of Geophysics","active":true,"usgs":true},{"id":493,"text":"Office of Ground Water","active":true,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":350357,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":350356,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.battelle.org/conference-proceedings/conference-proceedings"}],"country":"United States","state":"Minnesota","city":"Bemidji","otherGeospatial":"National Crude Oil Spill Fate and Natural Attenuation Research Site","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -95.1170539855957,\n 47.56390159961883\n ],\n [\n -95.08100509643555,\n 47.56390159961883\n ],\n [\n -95.08100509643555,\n 47.58393661978134\n ],\n [\n -95.1170539855957,\n 47.58393661978134\n ],\n [\n -95.1170539855957,\n 47.56390159961883\n ]\n ]\n ]\n }\n }\n ]\n}","publishingServiceCenter":{"id":11,"text":"Pembroke PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5a6107fce4b06e28e9c2562a","contributors":{"editors":[{"text":"Rectanus, H.V.","contributorId":14189,"corporation":false,"usgs":true,"family":"Rectanus","given":"H.V.","affiliations":[],"preferred":false,"id":725442,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Sirabian, R.","contributorId":6991,"corporation":false,"usgs":false,"family":"Sirabian","given":"R.","email":"","affiliations":[],"preferred":false,"id":725443,"contributorType":{"id":2,"text":"Editors"},"rank":2}],"authors":[{"text":"Slater, Lee","contributorId":55707,"corporation":false,"usgs":false,"family":"Slater","given":"Lee","affiliations":[{"id":12727,"text":"Rutgers University","active":true,"usgs":false}],"preferred":false,"id":720265,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ntarlagiannis, Dimitrios","contributorId":150729,"corporation":false,"usgs":false,"family":"Ntarlagiannis","given":"Dimitrios","affiliations":[{"id":12727,"text":"Rutgers University","active":true,"usgs":false}],"preferred":false,"id":720268,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Atekwana, Estella","contributorId":197899,"corporation":false,"usgs":false,"family":"Atekwana","given":"Estella","affiliations":[],"preferred":false,"id":720267,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Mewafy, Farag","contributorId":150731,"corporation":false,"usgs":false,"family":"Mewafy","given":"Farag","email":"","affiliations":[{"id":7249,"text":"Oklahoma State University","active":true,"usgs":false}],"preferred":false,"id":720266,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Revil, Andre","contributorId":117980,"corporation":false,"usgs":true,"family":"Revil","given":"Andre","affiliations":[],"preferred":false,"id":720269,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Skold, Magnus","contributorId":145461,"corporation":false,"usgs":false,"family":"Skold","given":"Magnus","email":"","affiliations":[],"preferred":false,"id":725435,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Gorby, Yuri","contributorId":149870,"corporation":false,"usgs":false,"family":"Gorby","given":"Yuri","email":"","affiliations":[{"id":590,"text":"U.S. Army Corps of Engineers","active":false,"usgs":false}],"preferred":false,"id":725436,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Day-Lewis, Frederick D. 0000-0003-3526-886X daylewis@usgs.gov","orcid":"https://orcid.org/0000-0003-3526-886X","contributorId":1672,"corporation":false,"usgs":true,"family":"Day-Lewis","given":"Frederick","email":"daylewis@usgs.gov","middleInitial":"D.","affiliations":[{"id":37277,"text":"WMA - 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Jr. jwlane@usgs.gov","contributorId":1738,"corporation":false,"usgs":true,"family":"Lane","given":"John","suffix":"Jr.","email":"jwlane@usgs.gov","middleInitial":"W.","affiliations":[{"id":486,"text":"OGW Branch of Geophysics","active":true,"usgs":true}],"preferred":false,"id":725438,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Werkema, Dale D.","contributorId":40488,"corporation":false,"usgs":false,"family":"Werkema","given":"Dale","email":"","middleInitial":"D.","affiliations":[{"id":6914,"text":"U.S. Environmental Protection Agency","active":true,"usgs":false}],"preferred":false,"id":720274,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Trost, Jared J. 0000-0003-0431-2151 jtrost@usgs.gov","orcid":"https://orcid.org/0000-0003-0431-2151","contributorId":3749,"corporation":false,"usgs":true,"family":"Trost","given":"Jared","email":"jtrost@usgs.gov","middleInitial":"J.","affiliations":[{"id":37947,"text":"Upper Midwest Water Science Center","active":true,"usgs":true},{"id":392,"text":"Minnesota Water Science Center","active":true,"usgs":true}],"preferred":true,"id":725439,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Delin, Geoffrey N. 0000-0001-7991-6158 delin@usgs.gov","orcid":"https://orcid.org/0000-0001-7991-6158","contributorId":2610,"corporation":false,"usgs":true,"family":"Delin","given":"Geoffrey","email":"delin@usgs.gov","middleInitial":"N.","affiliations":[{"id":5063,"text":"Central Water Science Field Team","active":true,"usgs":true}],"preferred":true,"id":725440,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Herkelrath, William N. 0000-0002-6149-5524 wnherkel@usgs.gov","orcid":"https://orcid.org/0000-0002-6149-5524","contributorId":2612,"corporation":false,"usgs":true,"family":"Herkelrath","given":"William","email":"wnherkel@usgs.gov","middleInitial":"N.","affiliations":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":725441,"contributorType":{"id":1,"text":"Authors"},"rank":13}]}} ,{"id":70044950,"text":"70044950 - 2011 - U is for undergrounder","interactions":[],"lastModifiedDate":"2013-06-05T10:34:06","indexId":"70044950","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":674,"text":"Aggregates Manager","active":true,"publicationSubtype":{"id":10}},"title":"U is for undergrounder","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Aggregates Manager","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Randall Reilly","usgsCitation":"Langer, W.H., 2011, U is for undergrounder: Aggregates Manager, v. 16, no. 9, p. 40-40.","productDescription":"1 p.","startPage":"40","endPage":"40","ipdsId":"IP-031148","costCenters":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"links":[{"id":273300,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"16","issue":"9","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"51b05defe4b030b519801336","contributors":{"authors":[{"text":"Langer, W. H.","contributorId":44932,"corporation":false,"usgs":true,"family":"Langer","given":"W.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":476503,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70043636,"text":"70043636 - 2011 - Validation of a freshwater Otolith microstructure pattern for Nisqually Chinook Salmon (Oncorhynchus tshawytscha)","interactions":[],"lastModifiedDate":"2016-12-19T12:41:35","indexId":"70043636","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":9,"text":"Other Report"},"seriesNumber":"2011-1","title":"Validation of a freshwater Otolith microstructure pattern for Nisqually Chinook Salmon (Oncorhynchus tshawytscha)","docAbstract":"The Nisqually Fall Chinook salmon (Oncorhynchus tshawytscha) population is one of 27 stocks in the Puget Sound (Washington) evolutionarily significant unit listed as threatened under the federal Endangered Species Act (ESA). Extensive restoration of the Nisqually River delta ecosystem has taken place to assist in recovery of the stock since estuary habitat is a critical transition zone for juvenile fall Chinook salmon. A pre-restoration baseline that includes the characterization of life history strategies, estuary residence times, growth rates and habitat use is needed to evaluate the potential response of hatchery and natural origin Chinook salmon to restoration efforts and to determine restoration success. Otolith microstructure analysis was selected as a tool to examine Chinook salmon life history, growth and residence in the Nisqually River estuary. The purpose of the current study is to incorporate microstructural analysis from the otoliths of juvenile Nisqually Chinook salmon collected at the downstream migrant trap within true freshwater (FW) habitat of the Nisqually River. The results from this analysis confirmed the previously documented Nisqually-specific FW microstructure pattern and revealed a Nisqually-specific microstructure pattern early in development (“developmental pattern”). No inter-annual variation in the microstructure pattern was visually observed when compared to samples from previous years. Furthermore, the Nisqually-specific “developmental pattern” and the FW microstructure pattern used in combination during analysis will allow us to recognize and separate with further confidence future unmarked Chinook salmon otolith collections into Nisqually-origin (natural or unmarked hatchery) and non-Nisqually origin categories. Freshwater mean increment width, growth rate and residence time were also calculated.","language":"English ","publisher":"Nisqually Indian Tribe Department of Natural Resources","publisherLocation":"Olympia, WA","usgsCitation":"Lind-Null, A., and Larsen, K., 2011, Validation of a freshwater Otolith microstructure pattern for Nisqually Chinook Salmon (Oncorhynchus tshawytscha), 13 p. .","productDescription":"13 p. 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Long term research in the Wind River has focused on assessments of steelhead/rainbow trout Oncorhynchus mykiss populations, interactions with introduced populations of spring Chinook salmon O. tshawytscha and brook trout Salvelinus fontinalis, and influences of habitat variables and habitat restoration on fish productivity. During the period covered by this report, we collected water temperature data to characterize variation within and among tributaries and mainstem sections in the Trout Creek watershed, and assisted Washington Department of Fish and Wildlife (WDFW) with smolt trapping and tagging of smolt and parr steelhead with passive integrated transponder (PIT) tags. We also continued to maintain and test efficacy of a passive integrated transponder tag interrogation system (PTIS) in Trout Creek for assessing the adult steelhead runsize. \n\t\nA statement of work (SOW) was submitted to BPA in October 2009 that outlined work to be performed by USGS-CRRL. The SOW was organized by work elements, with each describing a research task. 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Graham","contributorId":89236,"corporation":false,"usgs":true,"family":"Closs","given":"L.","email":"","middleInitial":"Graham","affiliations":[],"preferred":false,"id":476513,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70034163,"text":"70034163 - 2011 - Agave turneri (Agavaceae), a new species from northeastern Baja California, Mexico","interactions":[],"lastModifiedDate":"2012-03-12T17:21:44","indexId":"70034163","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1084,"text":"Brittonia","active":true,"publicationSubtype":{"id":10}},"title":"Agave turneri (Agavaceae), a new species from northeastern Baja California, Mexico","docAbstract":"Agave turneri, a new species of Agave from the Sierras Cucap?? and El Mayor in northeastern Baja California, Mexico, is a medium-sized species that does not produce offsets, has a relatively short and narrow panicle, and has a distinctive flower structure. The closest relatives to this new species are Agave moranii, which occurs approximately 200 km to the south of the type locality, and A. deserti var. simplex, which occurs in Arizona and California. This new species is a narrow endemic restricted to specific granodiorite and tonalite habitats in a hyperarid environment. Agave turneri appears to be a critically endangered owing to its habitat preference for specific types of granite in the Sierra Cucap??, threats due to prolonged drought and global change, and its close proximity to the Mexicali metropolitan area. ?? 2010 The New York Botanical Garden.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Brittonia","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1007/s12228-010-9151-3","issn":"0007196X","usgsCitation":"Webb, R.H., and Salazar-Cesena, J., 2011, Agave turneri (Agavaceae), a new species from northeastern Baja California, Mexico: Brittonia, v. 63, no. 2, p. 203-210, https://doi.org/10.1007/s12228-010-9151-3.","startPage":"203","endPage":"210","numberOfPages":"8","costCenters":[],"links":[{"id":216844,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s12228-010-9151-3"},{"id":244740,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"63","issue":"2","noUsgsAuthors":false,"publicationDate":"2011-06-09","publicationStatus":"PW","scienceBaseUri":"5059e8d5e4b0c8380cd47edd","contributors":{"authors":[{"text":"Webb, R. H.","contributorId":13648,"corporation":false,"usgs":true,"family":"Webb","given":"R.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":444380,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Salazar-Cesena, J. M.","contributorId":93352,"corporation":false,"usgs":true,"family":"Salazar-Cesena","given":"J. M.","affiliations":[],"preferred":false,"id":444381,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70036236,"text":"70036236 - 2011 - Oligocene and Miocene arc volcanism in northeastern California: evidence for post-Eocene segmentation of the subducting Farallon plate","interactions":[],"lastModifiedDate":"2013-07-23T09:31:15","indexId":"70036236","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1820,"text":"Geosphere","active":true,"publicationSubtype":{"id":10}},"title":"Oligocene and Miocene arc volcanism in northeastern California: evidence for post-Eocene segmentation of the subducting Farallon plate","docAbstract":"The Warner Range in northeastern California exposes a section of Tertiary rocks over 3 km thick, offering a unique opportunity to study the long-term history of Cascade arc volcanism in an area otherwise covered by younger volcanic rocks. The oldest locally sourced volcanic rocks in the Warner Range are Oligocene (28–24 Ma) and include a sequence of basalt and basaltic andesite lava flows overlain by hornblende and pyroxene andesite pyroclastic flows and minor lava flows. Both sequences vary in thickness (0–2 km) along strike and are inferred to be the erosional remnants of one or more large, partly overlapping composite volcanoes. No volcanic rocks were erupted in the Warner Range between ca. 24 and 16 Ma, although minor distally sourced silicic tuffs were deposited during this time. Arc volcanism resumed ca. 16 Ma with eruption of basalt and basaltic andesite lavas sourced from eruptive centers 5–10 km south of the relict Oligocene centers. Post–16 Ma arc volcanism continued until ca. 8 Ma, forming numerous eroded but well-preserved shield volcanoes to the south of the Warner Range. Oligocene to Late Miocene volcanic rocks in and around the Warner Range are calc-alkaline basalts to andesites (48%–61% SiO2) that display negative Ti, Nb, and Ta anomalies in trace element spider diagrams, consistent with an arc setting. Middle Miocene lavas in the Warner Range are distinctly different in age, composition, and eruptive style from the nearby Steens Basalt, with which they were previously correlated. Middle to Late Miocene shield volcanoes south of the Warner Range consist of homogeneous basaltic andesites (53%–57% SiO2) that are compositionally similar to Oligocene rocks in the Warner Range. They are distinctly different from younger (Late Miocene to Pliocene) high-Al, low-K olivine tholeiites, which are more mafic (46%–49% SiO2), did not build large edifices, and are thought to be related to backarc extension. The Warner Range is ∼100 km east of the axis of the modern arc in northeastern California, suggesting that the Cascade arc south of modern Mount Shasta migrated west during the Late Miocene and Pliocene, while the arc north of Mount Shasta remained in essentially the same position. We interpret these patterns as evidence for an Eocene to Miocene tear in the subducting slab, with a more steeply dipping plate segment to the north, and an initially more gently dipping segment to the south that gradually steepened from the Middle Miocene to the present.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geosphere","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Geological Society of America","doi":"10.1130/GES00650.1","issn":"1553040X","usgsCitation":"Colgan, J., Egger, A., John, D., Cousens, B., Fleck, R., and Henry, C., 2011, Oligocene and Miocene arc volcanism in northeastern California: evidence for post-Eocene segmentation of the subducting Farallon plate: Geosphere, v. 7, no. 3, p. 733-755, https://doi.org/10.1130/GES00650.1.","productDescription":"23 p.","startPage":"733","endPage":"755","costCenters":[{"id":671,"text":"Western Region Geology and Geophysics Science Center","active":false,"usgs":true}],"links":[{"id":246503,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218487,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1130/GES00650.1"}],"country":"United States","state":"California","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -124.41,32.53 ], [ -124.41,42.01 ], [ -114.13,42.01 ], [ -114.13,32.53 ], [ -124.41,32.53 ] ] ] } } ] }","volume":"7","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a6d5fe4b0c8380cd750db","contributors":{"authors":[{"text":"Colgan, J.P.","contributorId":71678,"corporation":false,"usgs":true,"family":"Colgan","given":"J.P.","affiliations":[],"preferred":false,"id":455030,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Egger, A.E.","contributorId":70159,"corporation":false,"usgs":true,"family":"Egger","given":"A.E.","affiliations":[],"preferred":false,"id":455029,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"John, D. A.","contributorId":43748,"corporation":false,"usgs":true,"family":"John","given":"D. 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First, we developed a buoy‐less method for sampling fish eggs and spawning activity using egg mats deployed on the river bottom. The buoy‐less method allowed us to fish gear in areas frequented by boaters and recreational anglers, thus eliminating surface obstructions that interfered with recreational and boating activities. The buoy‐less method also reduced gear loss due to drift when masses of floating aquatic vegetation would accumulate on buoys and lines, increasing the drag on the gear and pulling it downstream. Second, we adapted a D‐frame drift net system formerly employed in shallow streams to assess larval lake sturgeon dispersal for use in the deeper (>8 m) Detroit River using an anchor and buoy system.
","language":"English","publisher":"Wiley","doi":"10.1111/j.1439-0426.2011.01828.x","usgsCitation":"Roseman, E.F., Boase, J., Kennedy, G.W., Craig, J.M., and Soper, K., 2011, Adaption of egg and larvae sampling techniques for lake sturgeon and broadcast spawning fishes in a deep river: Journal of Applied Ichthyology, v. 27, no. S2, p. 89-92, https://doi.org/10.1111/j.1439-0426.2011.01828.x.","productDescription":"4 p.","startPage":"89","endPage":"92","ipdsId":"IP-025416","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":270635,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Canada, United States","state":"Michigan, Ontario","otherGeospatial":"Detroit River, Lake Erie, Lake Huron, Lake St. Clair","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -83.24444305889988,\n 41.98407822539474\n ],\n [\n -83.20292888285584,\n 41.97662912271019\n ],\n [\n -82.99822104926145,\n 42.02343757700308\n ],\n [\n -83.07266026147809,\n 42.09464794511035\n ],\n [\n -83.09556463446722,\n 42.097834601123424\n ],\n [\n -83.10129072771505,\n 42.142430971542694\n ],\n [\n -83.07981787803732,\n 42.161534093105246\n ],\n [\n -83.03114608543407,\n 42.17426630432283\n ],\n [\n -83.05118741180038,\n 42.209266671129825\n ],\n [\n -83.08268092466088,\n 42.199723038672914\n ],\n [\n -83.09127006453156,\n 42.25802272108089\n ],\n [\n -83.08268092466088,\n 42.28874087230409\n ],\n [\n -83.06263959829458,\n 42.30462369627665\n ],\n [\n -83.01539932900417,\n 42.31944405109692\n ],\n [\n -82.95670687321811,\n 42.32579456344854\n ],\n [\n -82.94096011678752,\n 42.33637732627028\n ],\n [\n -82.91232965055052,\n 42.33214443480935\n ],\n [\n -82.92378183704548,\n 42.37657558547892\n ],\n [\n -82.98820038607863,\n 42.36811493094223\n ],\n [\n -83.0268515154984,\n 42.34378420079716\n ],\n [\n -83.0941331111558,\n 42.32473618923649\n ],\n [\n -83.15855166018895,\n 42.24742678380912\n ],\n [\n -83.24014848896417,\n 42.05958416135255\n ],\n [\n -83.24444305889988,\n 41.98407822539474\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"27","issue":"S2","noUsgsAuthors":false,"publicationDate":"2011-12-05","publicationStatus":"PW","scienceBaseUri":"51629563e4b0c25842758ce0","contributors":{"authors":[{"text":"Roseman, Edward F. 0000-0002-5315-9838 eroseman@usgs.gov","orcid":"https://orcid.org/0000-0002-5315-9838","contributorId":168428,"corporation":false,"usgs":true,"family":"Roseman","given":"Edward","email":"eroseman@usgs.gov","middleInitial":"F.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":474465,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Boase, James","contributorId":38035,"corporation":false,"usgs":true,"family":"Boase","given":"James","affiliations":[],"preferred":false,"id":474469,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kennedy, Gregory W. 0000-0003-1686-6960 gkennedy@usgs.gov","orcid":"https://orcid.org/0000-0003-1686-6960","contributorId":3700,"corporation":false,"usgs":true,"family":"Kennedy","given":"Gregory","email":"gkennedy@usgs.gov","middleInitial":"W.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":474467,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Craig, Jaquelyn M. 0000-0002-7601-8616 jcraig@usgs.gov","orcid":"https://orcid.org/0000-0002-7601-8616","contributorId":190252,"corporation":false,"usgs":true,"family":"Craig","given":"Jaquelyn","email":"jcraig@usgs.gov","middleInitial":"M.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":474466,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Soper, Karen","contributorId":10695,"corporation":false,"usgs":true,"family":"Soper","given":"Karen","email":"","affiliations":[],"preferred":false,"id":474468,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70036044,"text":"70036044 - 2011 - Change of impervious surface area between 2001 and 2006 in the conterminous United States","interactions":[],"lastModifiedDate":"2018-03-08T13:00:19","indexId":"70036044","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3052,"text":"Photogrammetric Engineering and Remote Sensing","active":true,"publicationSubtype":{"id":10}},"title":"Change of impervious surface area between 2001 and 2006 in the conterminous United States","docAbstract":"No abstract available.
","language":"English","issn":"00991112","usgsCitation":"Xian, G.Z., Homer, C.G., Dewitz, J., Fry, J., Hossain, N., and Wickham, J., 2011, Change of impervious surface area between 2001 and 2006 in the conterminous United States: Photogrammetric Engineering and Remote Sensing, v. 77, no. 8, p. 758-762.","productDescription":"5 p.","startPage":"758","endPage":"762","numberOfPages":"5","ipdsId":"IP-030098","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":246424,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"77","issue":"8","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059f402e4b0c8380cd4bab2","contributors":{"authors":[{"text":"Xian, George Z. 0000-0001-5674-2204 xian@usgs.gov","orcid":"https://orcid.org/0000-0001-5674-2204","contributorId":2263,"corporation":false,"usgs":true,"family":"Xian","given":"George","email":"xian@usgs.gov","middleInitial":"Z.","affiliations":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"preferred":true,"id":453755,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Homer, Collin G. 0000-0003-4755-8135 homer@usgs.gov","orcid":"https://orcid.org/0000-0003-4755-8135","contributorId":2262,"corporation":false,"usgs":true,"family":"Homer","given":"Collin","email":"homer@usgs.gov","middleInitial":"G.","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true},{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"preferred":true,"id":453753,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Dewitz, Jon 0000-0002-0458-212X dewitz@usgs.gov","orcid":"https://orcid.org/0000-0002-0458-212X","contributorId":2401,"corporation":false,"usgs":true,"family":"Dewitz","given":"Jon","email":"dewitz@usgs.gov","affiliations":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true},{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":true,"id":453754,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Fry, Joyce 0000-0002-8466-9582 jfry@usgs.gov","orcid":"https://orcid.org/0000-0002-8466-9582","contributorId":3147,"corporation":false,"usgs":true,"family":"Fry","given":"Joyce","email":"jfry@usgs.gov","affiliations":[],"preferred":true,"id":453756,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Hossain, N.","contributorId":7505,"corporation":false,"usgs":true,"family":"Hossain","given":"N.","email":"","affiliations":[],"preferred":false,"id":453752,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Wickham, J.","contributorId":102230,"corporation":false,"usgs":true,"family":"Wickham","given":"J.","email":"","affiliations":[],"preferred":false,"id":453757,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70044301,"text":"70044301 - 2011 - Notes on the geology and meteorology of sites infected with white-nose syndrome before July 2010 in Southeastern United States","interactions":[],"lastModifiedDate":"2013-04-22T15:07:22","indexId":"70044301","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2805,"text":"NSS News","active":true,"publicationSubtype":{"id":10}},"title":"Notes on the geology and meteorology of sites infected with white-nose syndrome before July 2010 in Southeastern United States","docAbstract":"Since 2006, numerous bat colonies in North America have experienced unusually high incidences of mortality. In these colonies, bats are infected by a white fungus named Geomyces destructans, which has been observed on bat muzzles, noses, ears, and (or) wings. Although it is not exactly certain how and why these bats are dying, this condition has been named white-nose syndrome (WNS). WNS appears to have spread from an initial infection site at a cave in New York, and was first identified south of Pennsylvania during January 2009. By the end of June 2010, 41 infected sites had identified in the states of West Virginia, Maryland, Delaware, Virginia, and Tennessee. Most of these sites are natural caves in limestone of either Cambrian-Ordovician age or Silurian-Devonian age. Published air temperature values in these WNS-infected caves range from -3.3 to 15.6 °C, and humidity measurements range from 68 to 100 %.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"NSS News","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"National Speleological Society","usgsCitation":"Swezey, C.S., and Garrity, C.P., 2011, Notes on the geology and meteorology of sites infected with white-nose syndrome before July 2010 in Southeastern United States: NSS News, v. 2011, no. 17, p. 16-25.","productDescription":"10 p.","startPage":"16","endPage":"25","numberOfPages":"10","ipdsId":"IP-026229","costCenters":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"links":[{"id":271380,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":271379,"type":{"id":11,"text":"Document"},"url":"https://microbiology.usgs.gov/documents/Swezey_Garrity_2011.pdf"}],"country":"United States","state":"Indiana;Kentucky;Maryl;North Carolina;Ohio;Pennsylvania;Virginia;West Virginia","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -87.43,34.98 ], [ -87.43,40.20 ], [ -75.37,40.20 ], [ -75.37,34.98 ], [ -87.43,34.98 ] ] ] } } ] }","volume":"2011","issue":"17","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"51765bebe4b0f989f99e010b","contributors":{"authors":[{"text":"Swezey, Christopher S. 0000-0003-4019-9264 cswezey@usgs.gov","orcid":"https://orcid.org/0000-0003-4019-9264","contributorId":601,"corporation":false,"usgs":true,"family":"Swezey","given":"Christopher","email":"cswezey@usgs.gov","middleInitial":"S.","affiliations":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":475266,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Garrity, Christopher P. 0000-0002-5565-1818 cgarrity@usgs.gov","orcid":"https://orcid.org/0000-0002-5565-1818","contributorId":644,"corporation":false,"usgs":true,"family":"Garrity","given":"Christopher","email":"cgarrity@usgs.gov","middleInitial":"P.","affiliations":[{"id":5061,"text":"National Cooperative Geologic Mapping and Landslide Hazards","active":true,"usgs":true},{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":475267,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70036104,"text":"70036104 - 2011 - Detrital-zircon geochronology and sedimentary provenance","interactions":[],"lastModifiedDate":"2012-03-12T17:22:05","indexId":"70036104","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2626,"text":"Lithosphere","active":true,"publicationSubtype":{"id":10}},"title":"Detrital-zircon geochronology and sedimentary provenance","docAbstract":"[No abstract available]","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Lithosphere","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1130/RF.L001.1","issn":"19418264","usgsCitation":"Thomas, W., 2011, Detrital-zircon geochronology and sedimentary provenance: Lithosphere, v. 3, no. 4, p. 304-308, https://doi.org/10.1130/RF.L001.1.","startPage":"304","endPage":"308","numberOfPages":"5","costCenters":[],"links":[{"id":488020,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1130/rf.l001.1","text":"Publisher Index Page"},{"id":246300,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218301,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1130/RF.L001.1"}],"volume":"3","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0001e4b0c8380cd4f525","contributors":{"authors":[{"text":"Thomas, W.A.","contributorId":78104,"corporation":false,"usgs":true,"family":"Thomas","given":"W.A.","email":"","affiliations":[],"preferred":false,"id":454212,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70036216,"text":"70036216 - 2011 - Hillslope response to knickpoint migration in the Southern Appalachians: Implications for the evolution of post-orogenic landscapes","interactions":[],"lastModifiedDate":"2021-01-25T19:26:19.800417","indexId":"70036216","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1425,"text":"Earth Surface Processes and Landforms","active":true,"publicationSubtype":{"id":10}},"title":"Hillslope response to knickpoint migration in the Southern Appalachians: Implications for the evolution of post-orogenic landscapes","docAbstract":"The southern Appalachians represent a landscape characterized by locally high topographic relief, steep slopes, and frequent mass movement in the absence of significant tectonic forcing for at least the last 200 Ma. The fundamental processes responsible for landscape evolution in a post‐orogenic landscape remain enigmatic. The non‐glaciated Cullasaja River basin of south‐western North Carolina, with uniform lithology, frequent debris flows, and the availability of high‐resolution airborne lidar DEMs, is an ideal natural setting to study landscape evolution in a post‐orogenic landscape through the lens of hillslope–channel coupling. This investigation is limited to channels with upslope contributing areas >2.7 km2, a conservative estimate of the transition from fluvial to debris‐flow dominated channel processes. Values of normalized hypsometry, hypsometric integral, and mean slope vs elevation are used for 14 tributary basins and the Cullasaja basin as a whole to characterize landscape evolution following upstream knickpoint migration. Results highlight the existence of a transient spatial relationship between knickpoints present along the fluvial network of the Cullasaja basin and adjacent hillslopes. Metrics of topography (relief, slope gradient) and hillslope activity (landslide frequency) exhibit significant downstream increases below the current position of major knickpoints. The transient effect of knickpoint‐driven channel incision on basin hillslopes is captured by measuring the relief, mean slope steepness, and mass movement frequency of tributary basins and comparing these results with the distance from major knickpoints along the Cullasaja River. A conceptual model of area–elevation and slope distributions is presented that may be representative of post‐orogenic landscape evolution in analogous geologic settings. Importantly, the model explains how knickpoint migration and channel–hillslope coupling is an important factor in tectonically‐inactive (i.e. post‐orogenic) orogens for the maintenance of significant relief, steep slopes, and weathering‐limited hillslopes.
","language":"English","publisher":"Wiley","doi":"10.1002/esp.2150","issn":"01979337","usgsCitation":"Wegmann, S., Franke, K., Hughes, S., Lewis, R., Lyons, N., Paris, P., Ross, K., Bauer, J., and Witt, A., 2011, Hillslope response to knickpoint migration in the Southern Appalachians: Implications for the evolution of post-orogenic landscapes: Earth Surface Processes and Landforms, v. 36, no. 9, p. 1254-1267, https://doi.org/10.1002/esp.2150.","productDescription":"14 p.","startPage":"1254","endPage":"1267","costCenters":[],"links":[{"id":246150,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218165,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1002/esp.2150"}],"country":"United States","state":"North Carolina","otherGeospatial":"Blue Ridge Escarpment","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -84.034423828125,\n 34.9895035675793\n ],\n [\n -82.7435302734375,\n 34.9895035675793\n ],\n [\n -82.7435302734375,\n 35.61711648382185\n ],\n [\n -84.034423828125,\n 35.61711648382185\n ],\n [\n -84.034423828125,\n 34.9895035675793\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"36","issue":"9","noUsgsAuthors":false,"publicationDate":"2011-03-28","publicationStatus":"PW","scienceBaseUri":"505a314fe4b0c8380cd5ddfe","contributors":{"authors":[{"text":"Wegmann, S.F.G.","contributorId":27303,"corporation":false,"usgs":true,"family":"Wegmann","given":"S.F.G.","email":"","affiliations":[],"preferred":false,"id":454929,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Franke, K.L.","contributorId":60894,"corporation":false,"usgs":true,"family":"Franke","given":"K.L.","email":"","affiliations":[],"preferred":false,"id":454932,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hughes, S.","contributorId":10384,"corporation":false,"usgs":true,"family":"Hughes","given":"S.","affiliations":[],"preferred":false,"id":454926,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Lewis, R.Q.","contributorId":91910,"corporation":false,"usgs":true,"family":"Lewis","given":"R.Q.","affiliations":[],"preferred":false,"id":454934,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Lyons, N.","contributorId":51141,"corporation":false,"usgs":true,"family":"Lyons","given":"N.","email":"","affiliations":[],"preferred":false,"id":454930,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Paris, P.","contributorId":56491,"corporation":false,"usgs":true,"family":"Paris","given":"P.","email":"","affiliations":[],"preferred":false,"id":454931,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Ross, K.","contributorId":15050,"corporation":false,"usgs":true,"family":"Ross","given":"K.","affiliations":[],"preferred":false,"id":454927,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Bauer, J.B.","contributorId":67293,"corporation":false,"usgs":true,"family":"Bauer","given":"J.B.","email":"","affiliations":[],"preferred":false,"id":454933,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Witt, A.C.","contributorId":26146,"corporation":false,"usgs":true,"family":"Witt","given":"A.C.","email":"","affiliations":[],"preferred":false,"id":454928,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}} ,{"id":70036286,"text":"70036286 - 2011 - Tremor reveals stress shadowing, deep postseismic creep, and depth-dependent slip recurrence on the lower-crustal San Andreas fault near Parkfield","interactions":[],"lastModifiedDate":"2012-12-05T12:45:23","indexId":"70036286","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1807,"text":"Geophysical Research Letters","active":true,"publicationSubtype":{"id":10}},"title":"Tremor reveals stress shadowing, deep postseismic creep, and depth-dependent slip recurrence on the lower-crustal San Andreas fault near Parkfield","docAbstract":"The 2003 magnitude 6.5 San Simeon and the 2004 magnitude 6.0 Parkfield earthquakes induced small, but significant, static stress changes in the lower crust on the central San Andreas fault, where recently detected tectonic tremor sources provide new constraints on deep fault creep processes. We find that these earthquakes affect tremor rates very differently, consistent with their differing transferred static shear stresses. The San Simeon event appears to have cast a \"stress shadow\" north of Parkfield, where tremor activity was stifled for 3-6 weeks. In contrast, the 2004 Parkfield earthquake dramatically increased tremor activity rates both north and south of Parkfield, allowing us to track deep postseismic slip. Following this event, rates initially increased by up to two orders of magnitude for the relatively shallow tremor sources closest to the rupture, with activity in some sources persisting above background rates for more than a year. We also observe strong depth dependence in tremor recurrence patterns, with shallower sources generally exhibiting larger, less-frequent bursts, possibly signaling a transition toward steady creep with increasing temperature and depth. Copyright 2011 by the American Geophysical Union.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geophysical Research Letters","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"American Geophysical Union","publisherLocation":"Washington, D.C.","doi":"10.1029/2011GL047863","isbn":"00948276","usgsCitation":"Shelly, D.R., and Johnson, K.M., 2011, Tremor reveals stress shadowing, deep postseismic creep, and depth-dependent slip recurrence on the lower-crustal San Andreas fault near Parkfield: Geophysical Research Letters, v. 38, https://doi.org/10.1029/2011GL047863.","productDescription":"6 p.","startPage":"L13312","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":475413,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2011gl047863","text":"Publisher Index Page"},{"id":246279,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218281,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2011GL047863"}],"country":"United States","state":"California","city":"Parkfield;San Simeon","otherGeospatial":"San Andreas Fault","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -121.2,35.4 ], [ -121.2,36.1 ], [ -120.1,36.1 ], [ -120.1,35.4 ], [ -121.2,35.4 ] ] ] } } ] }","volume":"38","noUsgsAuthors":false,"publicationDate":"2011-07-12","publicationStatus":"PW","scienceBaseUri":"505bb7bee4b08c986b32745a","contributors":{"authors":[{"text":"Shelly, David R. dshelly@usgs.gov","contributorId":2978,"corporation":false,"usgs":true,"family":"Shelly","given":"David","email":"dshelly@usgs.gov","middleInitial":"R.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":455266,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Johnson, Kaj M.","contributorId":92526,"corporation":false,"usgs":true,"family":"Johnson","given":"Kaj","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":455267,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70036469,"text":"70036469 - 2011 - Characterizing fragmentation of the collective forests in southern China from multitemporal Landsat imagery: A case study from Kecheng district of Zhejiang province","interactions":[],"lastModifiedDate":"2017-04-06T13:23:44","indexId":"70036469","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":836,"text":"Applied Geography","active":true,"publicationSubtype":{"id":10}},"title":"Characterizing fragmentation of the collective forests in southern China from multitemporal Landsat imagery: A case study from Kecheng district of Zhejiang province","docAbstract":"Tropical and subtropical forests provide important ecosystem goods and services including carbon sequestration and biodiversity conservation. These forests are facing increasing socioeconomic pressures and are rapidly being degraded and fragmented. This analysis focuses on the rate of change and patterns of fragmentation in a collective forest area in Zhejiang province, China, during the time period 1988–2005. The research consisted of two parts. The first was the development of general land cover maps and the identification of land cover changes by interpreting Landsat Thematic Mapper (TM) and Enhanced Thematic Mapper Plus (ETM+) time series imagery. The second part involved the computation and analysis of forest fragmentation metrics. For this portion of the study, fragmentation statistics were analyzed, and images were developed to depict forest fragmentation patterns and trends. Results revealed that there was a net loss of 7.8% in forest coverage, dropping from 66.8% in 1988 to 59.0% in 2005, primarily caused by agricultural expansion and poor forest management practices. An acceleration of forest fragmentation was also witnessed during the time intervals, which was evidenced by a decreasing trend in interior forest (57.2% in 1988, 55.0% in 1996 and 54.8% in 2005 respectively) coupled with the scales of the selected geospatial metrics. Continued forest loss and fragmentation are closely correlated with the existing political, educational, institutional and economic processes of contemporary China. To unlock the developmental potentials of the collective forests and to effectively mitigate the rate of forest loss and fragmentation, reforms of forest tenure and ecological immigration practices are recognized as a prospective alternative. The produced fragmentation maps further illustrates the importance of assessing landscape change history, especially the spatiotemporal patterns of forest fragments, when developing landscape level plans for biodiversity conservation, land use management and ecologically sustainable forestry.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.apgeog.2011.02.004","issn":"01436228","usgsCitation":"Li, M., Zhu, Z., Vogelmann, J., Xu, D., Wen, W., and Liu, A., 2011, Characterizing fragmentation of the collective forests in southern China from multitemporal Landsat imagery: A case study from Kecheng district of Zhejiang province: Applied Geography, v. 31, no. 3, p. 1026-1035, https://doi.org/10.1016/j.apgeog.2011.02.004.","productDescription":"10 p.","startPage":"1026","endPage":"1035","numberOfPages":"10","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":488024,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.apgeog.2011.02.004","text":"Publisher Index Page"},{"id":218586,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.apgeog.2011.02.004"},{"id":246612,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"31","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059f4fee4b0c8380cd4c014","contributors":{"authors":[{"text":"Li, M.","contributorId":97246,"corporation":false,"usgs":true,"family":"Li","given":"M.","email":"","affiliations":[],"preferred":false,"id":456298,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Zhu, Z.","contributorId":10898,"corporation":false,"usgs":true,"family":"Zhu","given":"Z.","email":"","affiliations":[],"preferred":false,"id":456293,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Vogelmann, James E. 0000-0002-0804-5823","orcid":"https://orcid.org/0000-0002-0804-5823","contributorId":16604,"corporation":false,"usgs":true,"family":"Vogelmann","given":"James E.","affiliations":[],"preferred":false,"id":456294,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Xu, D.","contributorId":41231,"corporation":false,"usgs":true,"family":"Xu","given":"D.","email":"","affiliations":[],"preferred":false,"id":456296,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Wen, W.","contributorId":17866,"corporation":false,"usgs":true,"family":"Wen","given":"W.","email":"","affiliations":[],"preferred":false,"id":456295,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Liu, A.","contributorId":90110,"corporation":false,"usgs":true,"family":"Liu","given":"A.","email":"","affiliations":[],"preferred":false,"id":456297,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70044509,"text":"70044509 - 2011 - Measurement of net nitrogen and phosphorus mineralization in wetland soils using a modification of the resin-core technique","interactions":[],"lastModifiedDate":"2013-03-12T10:58:54","indexId":"70044509","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1007,"text":"Biogeochemistry","active":true,"publicationSubtype":{"id":10}},"title":"Measurement of net nitrogen and phosphorus mineralization in wetland soils using a modification of the resin-core technique","docAbstract":"A modification of the resin-core method was developed and tested for measuring in situ soil N and P net mineralization rates in wetland soils where temporal variation in bidirectional vertical water movement and saturation can complicate measurement. The modified design includes three mixed-bed ion-exchange resin bags located above and three resin bags located below soil incubating inside a core tube. The two inner resin bags adjacent to the soil capture NH4+, NO3-, and soluble reactive phosphorus (SRP) transported out of the soil during incubation; the two outer resin bags remove inorganic nutrients transported into the modified resin core; and the two middle resin bags serve as quality-control checks on the function of the inner and outer resin bags. Modified resin cores were incubated monthly for a year along the hydrogeomorphic gradient through a floodplain wetland. Only small amounts of NH4+, NO3-, and SRP were found in the two middle resin bags, indicating that the modified resin-core design was effective. Soil moisture and pH inside the modified resin cores typically tracked changes in the surrounding soil abiotic environment. In contrast, use of the closed polyethylene bag method provided substantially different net P and N mineralization rates than modified resin cores and did not track changes in soil moisture or pH. Net ammonification, nitrifi cation, N mineralization, and P mineralization rates measured using modified resin cores varied through space and time associated with hydrologic, geomorphic, and climatic gradients in the floodplain wetland. The modified resin-core technique successfully characterized spatiotemporal variation of net mineralization fluxes in situ and is a viable technique for assessing soil nutrient availability and developing ecosystem budgets.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Biogeochemistry","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Soil Science Society of America","publisherLocation":"Madison, WI","doi":"10.2136/sssaj2010.0289","usgsCitation":"Noe, G., 2011, Measurement of net nitrogen and phosphorus mineralization in wetland soils using a modification of the resin-core technique: Biogeochemistry, v. 75, no. 2, p. 760-770, https://doi.org/10.2136/sssaj2010.0289.","productDescription":"5 p.","startPage":"760","endPage":"770","numberOfPages":"5","additionalOnlineFiles":"N","ipdsId":"IP-018892","costCenters":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"links":[{"id":269134,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.2136/sssaj2010.0289"},{"id":269135,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"75","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"51404e7fe4b089809dbf4482","contributors":{"authors":[{"text":"Noe, Gregory B.","contributorId":77805,"corporation":false,"usgs":true,"family":"Noe","given":"Gregory B.","affiliations":[],"preferred":false,"id":475774,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70036211,"text":"70036211 - 2011 - Distribution, population status and trends of Kittlitz's murrelet Brachyramphus brevirostris in Lower Cook Inlet and Kachemak Bay, Alaska","interactions":[],"lastModifiedDate":"2018-08-08T10:49:31","indexId":"70036211","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2675,"text":"Marine Ornithology: Journal of Seabird Research and Conservation","onlineIssn":"2074-1235","printIssn":"1018-3337","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Distribution, population status and trends of Kittlitz's murrelet Brachyramphus brevirostris in Lower Cook Inlet and Kachemak Bay, Alaska","title":"Distribution, population status and trends of Kittlitz's murrelet Brachyramphus brevirostris in Lower Cook Inlet and Kachemak Bay, Alaska","docAbstract":"Lower Cook Inlet (LCI) in south-central Alaska is unusual among the breeding areas of Kittlitz's Murrelet Brachyramphus brevirostris because of human impacts on the marine and terrestrial environments and because of the lack of tidewater glaciers. In LCI the Kittlitz's Murrelet co-exists with the more abundant Marbled Murrelet, which complicates abundance estimates because of the difficulty of species identification. We compared survey data for an area with overlapping coverage in LCI (Core area) in 1993 (June) and from 1996 to 1999 (July-early August). Within this LCI Core area, the surveys in 1996-1999 estimated ~1600 Kittlitz's Murrelets and ~17 000 Marbled Murrelets, including prorated unidentified murrelets. The Kittlitz's Murrelet population declined between 1993 and 1999 at 26% per annum (84% overall). Simultaneously, Marbled Murrelets declined by 12% per annum (56% overall), though the decline was not statistically significant. Declines were estimated conservatively because the 1993 survey was conducted in June, when both murrelet species are less abundant on the water. We also surveyed Kachemak Bay, a large embayment of LCI, during mid-summer (July) of 2005-2007 and estimated a population of 2047 Kittlitz's Murrelets (SD 1120, n = 3 years) residing primarily in the inner bay. Marbled Murrelets numbered 11 040 (SD 1306) and were found throughout the bay. On one transect set in inner Kachemak Bay, Kittlitz's Murrelet density in late summer (1-16 August) declined 7.5% per annum between 1988 and 2007 (n = 6 years), and Marbled Murrelet density increased 4.9% per annum. On two other transect sets in the inner bay, however, neither murrelet species showed a change in density between 1996 and 2007. Inner Kachemak Bay is a persistent hotspot for Kittlitz's Murrelet and may attract murrelets from LCI and beyond. We recommend monitoring murrelet populations in Kachemak Bay, although Kittlitz's Murrelets likely move between the main body of Cook Inlet and Kachemak Bay, and a complete LCI survey is needed to gauge regional population trends.","language":"English","issn":"10183337","usgsCitation":"Kuletz, K.J., Speckman, S., Piatt, J.F., and Labunski, E., 2011, Distribution, population status and trends of Kittlitz's murrelet Brachyramphus brevirostris in Lower Cook Inlet and Kachemak Bay, Alaska: Marine Ornithology: Journal of Seabird Research and Conservation, v. 39, no. 1, p. 85-95.","productDescription":"11 p.","startPage":"85","endPage":"95","costCenters":[],"links":[{"id":246597,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"39","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0322e4b0c8380cd50365","contributors":{"authors":[{"text":"Kuletz, Kathy J.","contributorId":24669,"corporation":false,"usgs":true,"family":"Kuletz","given":"Kathy","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":454906,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Speckman, Suzann G.","contributorId":88217,"corporation":false,"usgs":true,"family":"Speckman","given":"Suzann G.","affiliations":[],"preferred":false,"id":454907,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Piatt, John F. 0000-0002-4417-5748 jpiatt@usgs.gov","orcid":"https://orcid.org/0000-0002-4417-5748","contributorId":3025,"corporation":false,"usgs":true,"family":"Piatt","given":"John","email":"jpiatt@usgs.gov","middleInitial":"F.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"preferred":true,"id":454904,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Labunski, E.A.","contributorId":97750,"corporation":false,"usgs":true,"family":"Labunski","given":"E.A.","email":"","affiliations":[],"preferred":false,"id":454905,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70036172,"text":"70036172 - 2011 - Final report on the Seventh International Comparison of Absolute Gravimeters (ICAG 2005)","interactions":[],"lastModifiedDate":"2021-01-26T19:06:50.557819","indexId":"70036172","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2718,"text":"Metrologia","active":true,"publicationSubtype":{"id":10}},"title":"Final report on the Seventh International Comparison of Absolute Gravimeters (ICAG 2005)","docAbstract":"The Bureau International des Poids et Mesures (BIPM), Sevres, France, hosted the 7th International Comparison of Absolute Gravimeters (ICAG) and the associated Relative Gravity Campaign (RGC) from August to September 2005.;ICAG 2005 was prepared and performed as a metrological pilot study, which aimed:;(1) To determine the gravity comparison reference values;;(2) To determine the offsets of the absolute gravimeters; and;(3) As a pilot study to accumulate experience for the CIPM Key Comparisons.;This document presents a complete and extensive review of the technical protocol and data processing procedures. The 1st ICAG-RGC comparison was held at the BIPM in 1980-1981 and since then meetings have been organized every 4 years.;In this paper, we present an overview of how the meeting was organized, the conditions of BIPM gravimetric sites, technical specifications, data processing strategy and an analysis of the final results. This 7th ICAG final report supersedes all previously published reports.;Readings were obtained from participating instruments, 19 absolute gravimeters and 15 relative gravimeters. Precise levelling measurements were carried out and all measurements were performed on the BIPM micro-gravity network which was specifically designed for the comparison.
","largerWorkTitle":"Metrologia","language":"English","publisher":"BIPM & IOP Publishing Ltd","doi":"10.1088/0026-1394/48/5/003","issn":"00261394","usgsCitation":"Jiang, Z., Francis, O., Vitushkin, L., Palinkas, V., Germak, A., Becker, M., D’Agostino, G., Amalvict, M., Bayer, R., Bilker-Koivula, M., Desogus, S., Faller, J., Falk, R., Hinderer, J., Gagnon, C., Jakob, T., Kalish, E., Kostelecky, J., Lee, C., Liard, J., Lokshyn, Y., Luck, B., Makinen, J., Mizushima, S., Le, M.N., Origlia, C., Pujol, E., Richard, P., Robertsson, L., Ruess, D., Schmerge, D., Stus, Y., Svitlov, S., Thies, S., Ullrich, C., Van Camp, M., Vitushkin, A., Ji, W., and Wilmes, H., 2011, Final report on the Seventh International Comparison of Absolute Gravimeters (ICAG 2005): Metrologia, v. 48, no. 5, p. 246-260, https://doi.org/10.1088/0026-1394/48/5/003.","productDescription":"15 p.","startPage":"246","endPage":"260","costCenters":[],"links":[{"id":496371,"rank":10000,"type":{"id":41,"text":"Open Access External 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