Benthic prey fishes are a critical component of the Lake Ontario food web, serving as energy vectors from benthic invertebrates to native and introduced piscivores. Since the late 1970’s, Lake Ontario benthic prey fish status was primarily assessed using bottom trawl observations confined to the lake’s south shore, in waters from 8 – 150 m (26 – 492 ft). In 2015, the Benthic Prey Fish Survey was cooperatively adjusted and expanded to address resource management information needs including lake-wide benthic prey fish population dynamics. Effort increased from 55 bottom trawl sites to 135 trawl sites collected in depths from 8 - 225m (26 – 738 ft). The spatial coverage of sampling was also expanded and occurred in all major lake basins. The resulting distribution of tow depths more closely matched the available lake depth distribution. The additional effort illustrated how previous surveys were underestimating lake-wide Deepwater Sculpin, Myoxocephalus thompsonii, abundance by not sampling in areas of highest density. We also found species richness was greater in the new sampling sites relative to the historic sites with 11 new fish species caught in the new sites including juvenile Round Whitefish, Prosopium cylindraceum, and Mottled sculpin, Cottus bairdii. Species-specific assessments found Slimy Sculpin, Cottus cognatus abundance increased slightly in 2015 relative to 2014, while Deepwater Sculpin and Round Goby, Neogobius melanostomus, dramatically increased in 2015, relative to 2014. The cooperative, lake-wide Benthic Prey Fish Survey expanded our understanding of benthic fish population dynamics and habitat use in Lake Ontario. This survey’s data and interpretations influence international resource management decision making, such as informing the Deepwater Sculpin conservation status and assessing the balance between sport fish consumption and prey fish populations. Additionally a significant Lake Ontario event occurred in May 2015 when a single juvenile Bloater Coregonus hoyi, was captured during the spring bottom trawl survey at 95m (312 ft) near Oswego, NY. This native, deep-water prey fish, last captured in Lake Ontario survey trawls in 1983, is part of an international, collaborative coregonid restoration effort in the Great Lakes.
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Reports in this series, published cooperatively by the U.S. Geological Survey and the Utah Department of Natural Resources, Division of Water Rights, and the Utah Department of Environmental Quality, Division of Water Quality, provide data to enable interested parties to maintain awareness of changing groundwater conditions.
This report, like the others in the series, contains information on well construction, groundwater withdrawals from wells, water-level changes, precipitation, streamflow, and chemical quality of water. Information on well construction included in this report refers only to new wells constructed for withdrawal of groundwater. Supplementary data are included in reports of this series only for those years or areas that are important to a discussion of changing groundwater conditions and for which applicable data are available.
This report includes individual discussions of selected significant areas of groundwater development in the State for calendar year 2015. Most of the reported data were collected by the U.S. Geological Survey in cooperation with the Utah Department of Natural Resources, Division of Water Rights, and the Utah Department of Environmental Quality, Division of Water Quality. This report is also available online at http://www.waterrights.utah.gov/techinfo/ and http://ut.water.usgs.gov/publications/GW2016.pdf. Groundwater conditions in Utah for calendar year 2014 are reported in Burden and others (2015) and are available online at http://ut.water.usgs.gov/publications/GW2015.pdf
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\"}}]}","publishingServiceCenter":{"id":1,"text":"Sacramento PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5a60fd79e4b06e28e9c24eef","contributors":{"authors":[{"text":"Burden, Carole B. cburden@usgs.gov","contributorId":852,"corporation":false,"usgs":true,"family":"Burden","given":"Carole","email":"cburden@usgs.gov","middleInitial":"B.","affiliations":[{"id":610,"text":"Utah Water Science Center","active":true,"usgs":true}],"preferred":true,"id":718084,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70169871,"text":"70169871 - 2016 - ECOGIG: Oil spill effects on deep-sea corals through the lenses of natural hydrocarbon seeps and long time series","interactions":[],"lastModifiedDate":"2019-12-14T06:24:34","indexId":"70169871","displayToPublicDate":"2016-03-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2929,"text":"Oceanography","active":true,"publicationSubtype":{"id":10}},"title":"ECOGIG: Oil spill effects on deep-sea corals through the lenses of natural hydrocarbon seeps and long time series","docAbstract":"The 2015 Ecosystem Impacts of Oil and Gas Inputs to the Gulf (ECOGIG) expedition was a continuation of a three-year partnership between our Gulf of Mexico Research Institute-funded research consortium and the Ocean Exploration Trust to study the effects of oil and dispersant on corals and closely related communities affected by the 2010 Deepwater Horizon oil spill (White et al., 2012, 2014; Hsing et al., 2013; Fisher et al., 2014a,b; Figure 1A– C). As part of our analysis, we explored a new site to the west of the Macondo well in lease block Mississippi Canyon (MC) 462 where we examined 50 new corals for impact from the spill (Figure 1D). A total of over 250 corals were re-imaged in 2015 for this ongoing time-series study. Another goal was to initiate a study to determine how proximity to natural seeps affects corals and infauna in these communities.
","language":"English","publisher":"The Oceanography Society","publisherLocation":"Rockville, MD","doi":"10.5670/oceanog.2016.supplement.01","usgsCitation":"Cordes, E.E., Auscavitch, S., Baums, I.B., Fisher, C.R., Girard, F., Gomez, C., McClain-Counts, J., Mendlovitz, H.P., Saunders, M., Smith, S., Vohsen, S., and Weinheimer, A., 2016, ECOGIG: Oil spill effects on deep-sea corals through the lenses of natural hydrocarbon seeps and long time series: Oceanography, v. 29, no. 1, p. 28-29, https://doi.org/10.5670/oceanog.2016.supplement.01.","productDescription":"2 p.","startPage":"28","endPage":"29","ipdsId":"IP-071736","costCenters":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":471201,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.5670/oceanog.2016.supplement.01","text":"Publisher Index 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Altoona","active":true,"usgs":false}],"preferred":false,"id":692510,"contributorType":{"id":1,"text":"Authors"},"rank":12}]}} ,{"id":70169351,"text":"70169351 - 2016 - Vertical deformation associated with normal fault systems evolved over coseismic, postseismic, and multiseismic periods","interactions":[],"lastModifiedDate":"2017-03-15T14:49:03","indexId":"70169351","displayToPublicDate":"2016-03-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2312,"text":"Journal of Geophysical Research","active":true,"publicationSubtype":{"id":10}},"title":"Vertical deformation associated with normal fault systems evolved over coseismic, postseismic, and multiseismic periods","docAbstract":"Vertical deformation of extensional provinces varies significantly and in seemingly contradictory ways. Sparse but robust geodetic, seismic, and geologic observations in the Basin and Range province of the western United States indicate that immediately after an earthquake, vertical change primarily occurs as subsidence of the normal fault hanging wall. A few decades later, a ±100 km wide zone is symmetrically uplifted. The preserved topography of long-term rifting shows bent and tilted footwall flanks rising high above deep basins. We develop finite element models subjected to extensional and gravitational forces to study time-varying deformation associated with normal faulting. We replicate observations with a model that has a weak upper mantle overlain by a stronger lower crust and a breakable elastic upper crust. A 60° dipping normal fault cuts through the upper crust and extends through the lower crust to simulate an underlying shear zone. Stretching the model under gravity demonstrates that asymmetric slip via collapse of the hanging wall is a natural consequence of coseismic deformation. Focused flow in the upper mantle imposed by deformation of the lower crust localizes uplift under the footwall; the breakable upper crust is a necessary model feature to replicate footwall bending over the observed width ( < 10 km), which is predicted to take place within 1-2 decades after each large earthquake. Thus the best-preserved topographic signature of rifting is expected to occur early in the postseismic period. The relatively stronger lower crust in our models is necessary to replicate broader postseismic uplift that is observed geodetically in subsequent decades.
","language":"English","publisher":"AGU","doi":"10.1002/2015JB012240","usgsCitation":"Thompson, G.A., and Parsons, T.E., 2016, Vertical deformation associated with normal fault systems evolved over coseismic, postseismic, and multiseismic periods: Journal of Geophysical Research, v. 121, no. 3, p. 2153-2173, https://doi.org/10.1002/2015JB012240.","productDescription":"21 p.","startPage":"2153","endPage":"2173","ipdsId":"IP-072674","costCenters":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":471196,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/2015jb012240","text":"Publisher Index Page"},{"id":337652,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"121","issue":"3","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationDate":"2016-03-21","publicationStatus":"PW","scienceBaseUri":"58ca52cfe4b0849ce97c86b4","contributors":{"authors":[{"text":"Thompson, George A.","contributorId":94288,"corporation":false,"usgs":true,"family":"Thompson","given":"George","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":623871,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Parsons, Thomas E. 0000-0002-0582-4338 tparsons@usgs.gov","orcid":"https://orcid.org/0000-0002-0582-4338","contributorId":2314,"corporation":false,"usgs":true,"family":"Parsons","given":"Thomas","email":"tparsons@usgs.gov","middleInitial":"E.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":623870,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70135841,"text":"70135841 - 2016 - Placer-type rare earth element deposits","interactions":[],"lastModifiedDate":"2022-12-30T16:56:06.451276","indexId":"70135841","displayToPublicDate":"2016-03-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"chapter":"4","title":"Placer-type rare earth element deposits","docAbstract":"No abstract available.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Rare earth and critical elements in ore deposits","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Society of Economic Geologists","doi":"10.5382/Rev.18.04","usgsCitation":"Sengupta, D., and Van Gosen, B.S., 2016, Placer-type rare earth element deposits, chap. 4 of Rare earth and critical elements in ore deposits, v. 18, p. 81-100, https://doi.org/10.5382/Rev.18.04.","productDescription":"20 p.","startPage":"81","endPage":"100","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-054947","costCenters":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"links":[{"id":324966,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"18","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5780cebde4b0811616822395","contributors":{"authors":[{"text":"Sengupta, Debashish","contributorId":131011,"corporation":false,"usgs":false,"family":"Sengupta","given":"Debashish","email":"","affiliations":[{"id":7210,"text":"Indian Institute of Technology","active":true,"usgs":false}],"preferred":false,"id":536930,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Van Gosen, Bradley S. 0000-0003-4214-3811 bvangose@usgs.gov","orcid":"https://orcid.org/0000-0003-4214-3811","contributorId":1174,"corporation":false,"usgs":true,"family":"Van Gosen","given":"Bradley","email":"bvangose@usgs.gov","middleInitial":"S.","affiliations":[{"id":387,"text":"Mineral Resources Program","active":true,"usgs":true},{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":536929,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70173812,"text":"70173812 - 2016 - Production of resident fish benefits from experimental salmon subsidies via direct and indirect pathways across stream-riparian boundaries","interactions":[],"lastModifiedDate":"2016-06-21T16:00:14","indexId":"70173812","displayToPublicDate":"2016-03-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1475,"text":"Ecosphere","active":true,"publicationSubtype":{"id":10}},"title":"Production of resident fish benefits from experimental salmon subsidies via direct and indirect pathways across stream-riparian boundaries","docAbstract":"Artificial additions of nutrients of differing forms such as salmon carcasses and analog pellets (i.e. pasteurized fishmeal) have been proposed as a means of stimulating aquatic productivity and enhancing populations of anadromous and resident fishes. Nutrient mitigation to enhance fish production in stream ecosystems assumes that the central pathway by which effects occur is bottom-up, through aquatic primary and secondary production, with little consideration of reciprocal aquatic-terrestrial pathways. The net outcome (i.e. bottom-up vs. top-down) of adding salmon-derived materials to streams depend on whether or not these subsidies indirectly intensify predation on in situ prey via increases in a shared predator or alleviate such predation pressure. We conducted a 3-year experiment across nine tributaries of the N. Fork Boise River, Idaho, USA, consisting of 500-m stream reaches treated with salmon carcasses (n = 3), salmon carcass analog (n = 3), and untreated control reaches (n = 3). We observed 2–8 fold increases in streambed biofilms in the 2–6 weeks following additions of both salmon subsidy treatments in years 1 and 2 and a 1.5-fold increase in standing crop biomass of aquatic invertebrates to carcass additions in the second year of our experiment. The consumption of benthic invertebrates by stream fishes increased 110–140% and 44–66% in carcass and analog streams in the same time frame, which may have masked invertebrate standing crop responses in years 3 and 4. Resident trout directly consumed 10.0–24.0 g·m−2·yr−1 of salmon carcass and <1–11.0 g·m−2·yr−1 of analog material, which resulted in 1.2–2.9 g·m−2·yr−1 and 0.03–1.4 g·m−2·yr−1 of tissue produced. In addition, a feedback flux of terrestrial maggots to streams contributed 0.0–2.0 g·m−2·yr−1 to trout production. Overall, treatments increased annual trout production by 2–3 fold, though density and biomass were unaffected. Our results indicate the strength of bottom-up and top-down responses to subsidy additions was asymmetrical, with top-down forces masking bottom-up effects that required multiple years to manifest. The findings also highlight the need for nutrient mitigation programs to consider multiple pathways of energy and nutrient flow to account for the complex effects of salmon subsidies in stream-riparian ecosystems.
","language":"English","publisher":"Wiley","doi":"10.1002/ecs2.1248","usgsCitation":"Collins, S.F., Baxter, C., Marcarelli, A.M., and Wipfli, M.S., 2016, Production of resident fish benefits from experimental salmon subsidies via direct and indirect pathways across stream-riparian boundaries: Ecosphere, v. 7, no. 3, HTML, https://doi.org/10.1002/ecs2.1248.","productDescription":"HTML","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-065206","costCenters":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"links":[{"id":471192,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/ecs2.1248","text":"Publisher Index Page"},{"id":324166,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"7","issue":"3","publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"noUsgsAuthors":false,"publicationDate":"2016-03-25","publicationStatus":"PW","scienceBaseUri":"576a6547e4b07657d1a11e5c","contributors":{"authors":[{"text":"Collins, Scott F.","contributorId":172292,"corporation":false,"usgs":false,"family":"Collins","given":"Scott","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":640156,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Baxter, Colden V.","contributorId":47334,"corporation":false,"usgs":false,"family":"Baxter","given":"Colden V.","affiliations":[{"id":13656,"text":"Idaho State Univ.","active":true,"usgs":false}],"preferred":false,"id":640157,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Marcarelli, Amy M.","contributorId":81821,"corporation":false,"usgs":true,"family":"Marcarelli","given":"Amy","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":640158,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Wipfli, Mark S. 0000-0002-4856-6068 mwipfli@usgs.gov","orcid":"https://orcid.org/0000-0002-4856-6068","contributorId":1425,"corporation":false,"usgs":true,"family":"Wipfli","given":"Mark","email":"mwipfli@usgs.gov","middleInitial":"S.","affiliations":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"preferred":true,"id":638453,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70133044,"text":"70133044 - 2016 - Critical elements in alkaline igneous rock-related epithermal gold deposits","interactions":[],"lastModifiedDate":"2022-12-30T15:55:37.202981","indexId":"70133044","displayToPublicDate":"2016-03-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"chapter":"9","title":"Critical elements in alkaline igneous rock-related epithermal gold deposits","docAbstract":"No abstract available.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Rare earth and critical elements in ore deposits","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Society of Economic Geologists","usgsCitation":"Kelley, K.D., and Spry, P.G., 2016, Critical elements in alkaline igneous rock-related epithermal gold deposits, chap. 9 of Rare earth and critical elements in ore deposits, v. 18, p. 195-216.","productDescription":"22 p.","startPage":"195","endPage":"216","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-045411","costCenters":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"links":[{"id":324931,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":324930,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://www.segweb.org/store/detail.aspx?id=EDOCREV18CH09"}],"volume":"18","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5780ceb3e4b08116168222e7","contributors":{"authors":[{"text":"Kelley, Karen D. kdkelley@usgs.gov","contributorId":431,"corporation":false,"usgs":true,"family":"Kelley","given":"Karen","email":"kdkelley@usgs.gov","middleInitial":"D.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":524267,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Spry, Paul G.","contributorId":127351,"corporation":false,"usgs":false,"family":"Spry","given":"Paul","email":"","middleInitial":"G.","affiliations":[{"id":6911,"text":"Iowa State University","active":true,"usgs":false}],"preferred":false,"id":524268,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70175336,"text":"70175336 - 2016 - Risk and efficacy of human-enabled interspecific hybridization for climate-change adaptation: Response to Hamilton and Miller (2016)","interactions":[],"lastModifiedDate":"2017-05-03T13:38:59","indexId":"70175336","displayToPublicDate":"2016-03-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1321,"text":"Conservation Biology","active":true,"publicationSubtype":{"id":10}},"title":"Risk and efficacy of human-enabled interspecific hybridization for climate-change adaptation: Response to Hamilton and Miller (2016)","docAbstract":"Hamilton and Miller (2016) provide an interesting and provocative discussion of how hybridization and introgression can promote evolutionary potential in the face of climate change. They argue that hybridization—mating between individuals from genetically distinct populations—can alleviate inbreeding depression and promote adaptive introgression and evolutionary rescue. We agree that deliberate intraspecific hybridization (mating between individuals of the same species) is an underused management tool for increasing fitness in inbred populations (i.e., genetic rescue; Frankham 2015; Whiteley et al. 2015). The potential risks and benefits of assisted gene flow have been discussed in the literature, and an emerging consensus suggests that mating between populations isolated for approximately 50–100 generations can benefit fitness, often with a minor risk of outbreeding depression (Frankham et al. 2011; Aitken & Whitlock 2013; Allendorf et al. 2013).
","language":"English","publisher":"Wiley","doi":"10.1111/cobi.12678","usgsCitation":"Kovach, R.P., Luikart, G., Lowe, W.H., Boyer, M.C., and Muhlfeld, C.C., 2016, Risk and efficacy of human-enabled interspecific hybridization for climate-change adaptation: Response to Hamilton and Miller (2016): Conservation Biology, v. 30, no. 2, p. 428-430, https://doi.org/10.1111/cobi.12678.","productDescription":"3 p.","startPage":"428","endPage":"430","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-067231","costCenters":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"links":[{"id":326117,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"30","issue":"2","noUsgsAuthors":false,"publicationDate":"2016-02-26","publicationStatus":"PW","scienceBaseUri":"57a5b8d4e4b0ebae89b78a00","contributors":{"authors":[{"text":"Kovach, Ryan P. rkovach@usgs.gov","contributorId":5772,"corporation":false,"usgs":true,"family":"Kovach","given":"Ryan","email":"rkovach@usgs.gov","middleInitial":"P.","affiliations":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"preferred":false,"id":644766,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Luikart, Gordon","contributorId":145746,"corporation":false,"usgs":false,"family":"Luikart","given":"Gordon","email":"","affiliations":[{"id":16220,"text":"Flathead Lake Biological Station, Div. Biological Science, UM","active":true,"usgs":false}],"preferred":false,"id":644767,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lowe, Winsor H.","contributorId":126722,"corporation":false,"usgs":false,"family":"Lowe","given":"Winsor","email":"","middleInitial":"H.","affiliations":[{"id":6577,"text":"University of Montana, Division of Biological Sciences, Missoula, MT, 59812, USA.","active":true,"usgs":false}],"preferred":false,"id":644768,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Boyer, Matthew C.","contributorId":126725,"corporation":false,"usgs":false,"family":"Boyer","given":"Matthew","email":"","middleInitial":"C.","affiliations":[{"id":6581,"text":"Montana Fish, Wildlife and Parks, Kalispell, Montana 59901, USA","active":true,"usgs":false}],"preferred":false,"id":644769,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Muhlfeld, Clint C. 0000-0002-4599-4059 cmuhlfeld@usgs.gov","orcid":"https://orcid.org/0000-0002-4599-4059","contributorId":924,"corporation":false,"usgs":true,"family":"Muhlfeld","given":"Clint","email":"cmuhlfeld@usgs.gov","middleInitial":"C.","affiliations":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true},{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"preferred":true,"id":644770,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70175946,"text":"70175946 - 2016 - Detection of an enigmatic plethodontid Salamander using Environmental DNA","interactions":[],"lastModifiedDate":"2016-08-22T15:54:19","indexId":"70175946","displayToPublicDate":"2016-03-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1337,"text":"Copeia","active":true,"publicationSubtype":{"id":10}},"title":"Detection of an enigmatic plethodontid Salamander using Environmental DNA","docAbstract":"The isolation and identification of environmental DNA (eDNA) offers a non-invasive and efficient method for the detection of rare and secretive aquatic wildlife, and it is being widely integrated into inventory and monitoring efforts. The Patch-Nosed Salamander (Urspelerpes brucei) is a tiny, recently discovered species of plethodontid salamander known only from headwater streams in a small region of Georgia and South Carolina. Here, we present results of a quantitative PCR-based eDNA assay capable of detecting Urspelerpes in more than 75% of 33 samples from five confirmed streams. We deployed the method at 31 additional streams and located three previously undocumented populations of Urspelerpes. We compare the results of our eDNA assay with our attempt to use aquatic leaf litterbags for the rapid detection of Urspelerpes and demonstrate the relative efficacy of the eDNA assay. We suggest that eDNA offers great potential for use in detecting other aquatic and semi-aquatic plethodontid salamanders.
","language":"English","publisher":"The American Society of Ichthyologists and Herpetologists","doi":"10.1643/CH-14-202","usgsCitation":"Pierson, T.W., McKee, A.M., Spear, S.F., Maerz, J.C., Camp, C.D., and Glenn, T.C., 2016, Detection of an enigmatic plethodontid Salamander using Environmental DNA: Copeia, v. 104, no. 1, p. 78-82, https://doi.org/10.1643/CH-14-202.","productDescription":"5 p.","startPage":"78","endPage":"82","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-063059","costCenters":[{"id":316,"text":"Georgia Water Science Center","active":true,"usgs":true}],"links":[{"id":327357,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"104","issue":"1","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57bc2259e4b03fd6b7de178a","contributors":{"authors":[{"text":"Pierson, Todd W.","contributorId":115820,"corporation":false,"usgs":true,"family":"Pierson","given":"Todd","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":646642,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McKee, Anna M. 0000-0003-2790-5320 amckee@usgs.gov","orcid":"https://orcid.org/0000-0003-2790-5320","contributorId":166725,"corporation":false,"usgs":true,"family":"McKee","given":"Anna","email":"amckee@usgs.gov","middleInitial":"M.","affiliations":[{"id":13634,"text":"South Atlantic Water Science Center","active":true,"usgs":true}],"preferred":true,"id":646641,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Spear, Stephen F.","contributorId":120450,"corporation":false,"usgs":true,"family":"Spear","given":"Stephen","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":646643,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Maerz, John C.","contributorId":171763,"corporation":false,"usgs":false,"family":"Maerz","given":"John","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":646644,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Camp, Carlos D.","contributorId":173949,"corporation":false,"usgs":false,"family":"Camp","given":"Carlos","email":"","middleInitial":"D.","affiliations":[{"id":27325,"text":"Piedmont College","active":true,"usgs":false}],"preferred":false,"id":646645,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Glenn, Travis C.","contributorId":173950,"corporation":false,"usgs":false,"family":"Glenn","given":"Travis","email":"","middleInitial":"C.","affiliations":[{"id":27326,"text":"Department of Environmental Health Science, College of Public Health, University of Georgia","active":true,"usgs":false}],"preferred":false,"id":646646,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70175547,"text":"70175547 - 2016 - Elevation dynamics in a restored versus a submerging salt marsh in Long Island Sound","interactions":[],"lastModifiedDate":"2017-05-03T13:35:50","indexId":"70175547","displayToPublicDate":"2016-03-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1587,"text":"Estuarine, Coastal and Shelf Science","active":true,"publicationSubtype":{"id":10}},"title":"Elevation dynamics in a restored versus a submerging salt marsh in Long Island Sound","docAbstract":"Accelerated sea-level rise (SLR) poses the threat of salt marsh submergence, especially in marshes that are relatively low-lying. At the same time, restoration efforts are producing new low-lying marshes, many of which are thriving and avoiding submergence. To understand the causes of these different fates, we studied two Long Island Sound marshes: one that is experiencing submergence and mudflat expansion, and one that is undergoing successful restoration. We examined sedimentation using a variety of methods, each of which captures different time periods and different aspects of marsh elevation change: surface-elevation tables, marker horizons, sediment cores, and sediment traps. We also studied marsh hydrology, productivity, respiration, nutrient content, and suspended sediment. We found that, despite the expansion of mudflat in the submerging marsh, the areas that remain vegetated have been gaining elevation at roughly the rate of SLR over the last 10 years. However, this elevation gain was only possible thanks to an increase in belowground volume, which may be a temporary response to waterlogging. In addition, accretion rates in the first half of the twentieth century were much lower than current rates, so century-scale accretion in the submerging marsh was lower than SLR. In contrast, at the restored marsh, accretion rates are now averaging about 10 mm yr−1 (several times the rate of SLR), much higher than before restoration. The main cause of the different trajectories at the two marshes appeared to be the availability of suspended sediment, which was much higher in the restored marsh. We considered and rejected alternative hypotheses, including differences in tidal flooding, plant productivity, and nutrient loading. In the submerging marsh, suspended and deposited sediment had relatively high organic content, which may be a useful indicator of sediment starvation.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.ecss.2016.01.017","usgsCitation":"Anisfeld, S.C., Hill, T.D., and Cahoon, D.R., 2016, Elevation dynamics in a restored versus a submerging salt marsh in Long Island Sound: Estuarine, Coastal and Shelf Science, v. 170, p. 145-154, https://doi.org/10.1016/j.ecss.2016.01.017.","productDescription":"10 p.","startPage":"145","endPage":"154","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-064523","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":326583,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"170","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57b43943e4b03bcb01039fb1","contributors":{"authors":[{"text":"Anisfeld, Shimon C.","contributorId":173724,"corporation":false,"usgs":false,"family":"Anisfeld","given":"Shimon","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":645634,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hill, Troy D.","contributorId":150000,"corporation":false,"usgs":false,"family":"Hill","given":"Troy","email":"","middleInitial":"D.","affiliations":[{"id":17883,"text":"Yale School of Forestry and Environmental Studies, New Haven, CT","active":true,"usgs":false}],"preferred":false,"id":645635,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cahoon, Donald R. 0000-0002-2591-5667 dcahoon@usgs.gov","orcid":"https://orcid.org/0000-0002-2591-5667","contributorId":3791,"corporation":false,"usgs":true,"family":"Cahoon","given":"Donald","email":"dcahoon@usgs.gov","middleInitial":"R.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":645636,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70192614,"text":"70192614 - 2016 - A functional model for characterizing long-distance movement behaviour","interactions":[],"lastModifiedDate":"2017-11-10T11:19:45","indexId":"70192614","displayToPublicDate":"2016-03-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2717,"text":"Methods in Ecology and Evolution","active":true,"publicationSubtype":{"id":10}},"title":"A functional model for characterizing long-distance movement behaviour","docAbstract":"More than 1 million wildlife-vehicle collisions occur annually in the United States. The majority of these accidents involve white-tailed deer (Odocoileus virginianus) and result in >US $4.6 billion in damage and >200 human fatalities. Prior research has used collision locations to assess sitespecific as well as landscape features that contribute to risk of deer-vehicle collisions. As an alternative approach, we calculated road-crossing locations from 25 GPS-instrumented white-tailed deer near Madison, Georgia (n=154,131 hourly locations). We identified crossing locations by creating movement paths between subsequent GPS points and then intersecting the paths with road locations. Using AIC model selection, we determined whether 10 local and landscape variables were successful at identifying areas where higher frequencies of deer crossings were likely to occur. Our findings indicate that traffic volume, distance to riparian areas, and the amount of forested area influenced the frequency of road crossings. Roadways that were predominately located in wooded landscapes and 200–300 m from riparian areas were crossed frequently. Additionally, we found that areas of low traffic volume (e.g., county roads) had the highest frequencies of deer crossings. Analyses utilizing only records of deer-vehicle collision locations cannot separate the relative contribution of deer crossing rates and traffic volume. Increased frequency of road crossings by deer in low-traffic, forested areas may lead to a greater risk of deer-vehicle collision than suggested by evaluations of deer-vehicle collision frequency alone.
","language":"English","publisher":"Southeastern Association of Fish and Wildlife Agencies","usgsCitation":"Kramer, D.W., Prebyl, T.J., Stickles, J.H., Osborn, D.A., Irwin, B.J., Nibbelink, N.P., Warren, R.J., and Miller, K.V., 2016, Using GPS telemetry to determine roadways most susceptible to deer-vehicle collisions: Journal of the Southeastern Association of Fish and Wildlife Agencies, v. 3, p. 253-260.","productDescription":"8 p.","startPage":"253","endPage":"260","ipdsId":"IP-066519","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":349352,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.seafwa.org/publications/journal/?id=402060"},{"id":349353,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Georgia","county":"Morgan County","city":"Madison","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -83.48648071289061,\n 33.487151290117716\n ],\n [\n -83.38159561157225,\n 33.487151290117716\n ],\n [\n -83.38159561157225,\n 33.59360217465783\n ],\n [\n -83.48648071289061,\n 33.59360217465783\n ],\n [\n -83.48648071289061,\n 33.487151290117716\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"3","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5a60fd79e4b06e28e9c24ef1","contributors":{"authors":[{"text":"Kramer, David W.","contributorId":15128,"corporation":false,"usgs":true,"family":"Kramer","given":"David","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":723532,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Prebyl, Thomas J.","contributorId":200841,"corporation":false,"usgs":false,"family":"Prebyl","given":"Thomas","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":723533,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Stickles, James H.","contributorId":200842,"corporation":false,"usgs":false,"family":"Stickles","given":"James","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":723534,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Osborn, David A.","contributorId":200843,"corporation":false,"usgs":false,"family":"Osborn","given":"David","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":723535,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Irwin, Brian J. 0000-0002-0666-2641 bjirwin@usgs.gov","orcid":"https://orcid.org/0000-0002-0666-2641","contributorId":4037,"corporation":false,"usgs":true,"family":"Irwin","given":"Brian","email":"bjirwin@usgs.gov","middleInitial":"J.","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":716688,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Nibbelink, Nathan P.","contributorId":141326,"corporation":false,"usgs":false,"family":"Nibbelink","given":"Nathan","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":723536,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Warren, Robert J.","contributorId":112957,"corporation":false,"usgs":false,"family":"Warren","given":"Robert","email":"","middleInitial":"J.","affiliations":[{"id":13266,"text":"Warnell School of Forestry and Natural Resources, The University of Georgia","active":true,"usgs":false}],"preferred":false,"id":723537,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Miller, Karl V.","contributorId":171517,"corporation":false,"usgs":false,"family":"Miller","given":"Karl","email":"","middleInitial":"V.","affiliations":[],"preferred":false,"id":723538,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}} ,{"id":70186186,"text":"70186186 - 2016 - Reduced population variance in strontium isotope values informs domesticated turkey use at Chaco Canyon, New Mexico, USA","interactions":[],"lastModifiedDate":"2017-03-31T10:33:19","indexId":"70186186","displayToPublicDate":"2016-03-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2181,"text":"Journal of Archaeological Method and Theory","active":true,"publicationSubtype":{"id":10}},"title":"Reduced population variance in strontium isotope values informs domesticated turkey use at Chaco Canyon, New Mexico, USA","docAbstract":"Traditionally strontium isotopes (87Sr/86Sr) have been used as a sourcing tool in numerous archaeological artifact classes. The research presented here demonstrates that 87Sr/86Srbioapatite ratios also can be used at a population level to investigate the presence of domesticated animals and methods of management. The proposed methodology combines ecology, isotope geochemistry, and behavioral ecology to assess the presence and nature of turkey (Meleagris gallopavo) domestication. This case study utilizes 87Sr/86Srbioapatite ratios from teeth and bones of archaeological turkey, deer (Odocoileus sp.), lagomorph (Lepus sp. and Sylvilagus sp.), and prairie-dog (Cynomys sp.) from Chaco Canyon, New Mexico, U.S.A. (ca. A.D. 800 – 1250). Wild deer and turkey from the southwestern U.S.A. have much larger home ranges and dispersal behaviors (measured in kilometers) when compared to lagomorphs and prairie dogs (measured in meters). Hunted deer and wild turkey from archaeological contexts at Chaco Canyon are expected to have a higher variance in their 87Sr/86Srbioapatite ratios, when compared to small range taxa (lagomorphs and prairie dogs). Contrary to this expectation, 87Sr/86Srbioapatite values of turkey bones from Chacoan assemblages have a much lower variance than deer and are similar to that of smaller mammals. The sampled turkey values show variability most similar to lagomorphs and prairie dogs, suggesting the turkeys from Chaco Canyon were consuming a uniform diet and/or were constrained within a limited home range, indicating at least proto-domestication. The population approach has wide applicability for evaluating the presence and nature of domestication when combined with paleoecology and behavioral ecology in a variety of animals and environments.","language":"English","publisher":"Springer","doi":"10.1007/s10816-014-9228-5","usgsCitation":"Grimstead, D.N., Reynolds, A., Hudson, A.M., Akins, N.J., and Betancourt, J.L., 2016, Reduced population variance in strontium isotope values informs domesticated turkey use at Chaco Canyon, New Mexico, USA: Journal of Archaeological Method and Theory, v. 23, no. 1, p. 127-149, https://doi.org/10.1007/s10816-014-9228-5.","productDescription":"13 p. ","startPage":"127","endPage":"149","ipdsId":"IP-061384","costCenters":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"links":[{"id":338937,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":338877,"type":{"id":15,"text":"Index Page"},"url":"https://link.springer.com/article/10.1007/s10816-014-9228-5"}],"country":"United States","state":"New Mexico","otherGeospatial":"Chaco Canyon","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -108.06015014648438,\n 36.097938036628065\n ],\n [\n -108.08486938476561,\n 36.089060460282006\n ],\n [\n -108.08624267578125,\n 35.97356075349624\n ],\n [\n -107.8472900390625,\n 35.96689214303232\n ],\n [\n -107.79510498046875,\n 36.029110596631874\n ],\n [\n -107.87612915039062,\n 36.09571873655538\n ],\n [\n -108.06015014648438,\n 36.097938036628065\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"23","issue":"1","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationDate":"2014-12-28","publicationStatus":"PW","scienceBaseUri":"58df6ac1e4b02ff32c6aea3f","contributors":{"authors":[{"text":"Grimstead, Deanna N","contributorId":190197,"corporation":false,"usgs":false,"family":"Grimstead","given":"Deanna","email":"","middleInitial":"N","affiliations":[],"preferred":false,"id":687792,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Reynolds, Amanda C","contributorId":190198,"corporation":false,"usgs":false,"family":"Reynolds","given":"Amanda C","affiliations":[],"preferred":false,"id":687793,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hudson, Adam M","contributorId":190199,"corporation":false,"usgs":false,"family":"Hudson","given":"Adam","email":"","middleInitial":"M","affiliations":[],"preferred":false,"id":687794,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Akins, Nancy J","contributorId":190200,"corporation":false,"usgs":false,"family":"Akins","given":"Nancy","email":"","middleInitial":"J","affiliations":[],"preferred":false,"id":687795,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Betancourt, Julio L. 0000-0002-7165-0743 jlbetanc@usgs.gov","orcid":"https://orcid.org/0000-0002-7165-0743","contributorId":3376,"corporation":false,"usgs":true,"family":"Betancourt","given":"Julio","email":"jlbetanc@usgs.gov","middleInitial":"L.","affiliations":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true},{"id":554,"text":"Science and Decisions Center","active":true,"usgs":true}],"preferred":true,"id":687791,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70195807,"text":"70195807 - 2016 - Progress and challenges in coupled hydrodynamic-ecological estuarine modeling","interactions":[],"lastModifiedDate":"2018-03-02T11:25:21","indexId":"70195807","displayToPublicDate":"2016-03-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1584,"text":"Estuaries and Coasts","active":true,"publicationSubtype":{"id":10}},"title":"Progress and challenges in coupled hydrodynamic-ecological estuarine modeling","docAbstract":"Numerical modeling has emerged over the last several decades as a widely accepted tool for investigations in environmental sciences. In estuarine research, hydrodynamic and ecological models have moved along parallel tracks with regard to complexity, refinement, computational power, and incorporation of uncertainty. Coupled hydrodynamic-ecological models have been used to assess ecosystem processes and interactions, simulate future scenarios, and evaluate remedial actions in response to eutrophication, habitat loss, and freshwater diversion. The need to couple hydrodynamic and ecological models to address research and management questions is clear because dynamic feedbacks between biotic and physical processes are critical interactions within ecosystems. In this review, we present historical and modern perspectives on estuarine hydrodynamic and ecological modeling, consider model limitations, and address aspects of model linkage, skill assessment, and complexity. We discuss the balance between spatial and temporal resolution and present examples using different spatiotemporal scales. Finally, we recommend future lines of inquiry, approaches to balance complexity and uncertainty, and model transparency and utility. It is idealistic to think we can pursue a “theory of everything” for estuarine models, but recent advances suggest that models for both scientific investigations and management applications will continue to improve in terms of realism, precision, and accuracy.
","language":"English","publisher":"Springer","doi":"10.1007/s12237-015-0011-y","usgsCitation":"Ganju, N., Brush, M.J., Rashleigh, B., Aretxabaleta, A.L., del Barrio, P., Grear, J.S., Harris, L.A., Lake, S.J., McCardell, G., O'Donnell, J., Ralston, D., Signell, R.P., Testa, J., and Vaudrey, J., 2016, Progress and challenges in coupled hydrodynamic-ecological estuarine modeling: Estuaries and Coasts, v. 39, no. 2, p. 311-332, https://doi.org/10.1007/s12237-015-0011-y.","productDescription":"22 p.","startPage":"311","endPage":"332","ipdsId":"IP-061024","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":471202,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1007/s12237-015-0011-y","text":"Publisher Index 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J.","contributorId":202881,"corporation":false,"usgs":false,"family":"Brush","given":"Mark","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":729982,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Rashleigh, Brenda","contributorId":43990,"corporation":false,"usgs":true,"family":"Rashleigh","given":"Brenda","affiliations":[],"preferred":false,"id":729983,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Aretxabaleta, Alfredo L. 0000-0002-9914-8018 aaretxabaleta@usgs.gov","orcid":"https://orcid.org/0000-0002-9914-8018","contributorId":5464,"corporation":false,"usgs":true,"family":"Aretxabaleta","given":"Alfredo","email":"aaretxabaleta@usgs.gov","middleInitial":"L.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":729984,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"del Barrio, Pilar","contributorId":140079,"corporation":false,"usgs":false,"family":"del Barrio","given":"Pilar","email":"","affiliations":[{"id":13379,"text":"Environmental Hydraulics Institute \"IH Cantabria\", C/ Isabel Torres nº15, Parque Científico y Tecnológico de Cantabria, 39011 Santander, Spain.","active":true,"usgs":false}],"preferred":false,"id":729985,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Grear, Jason S.","contributorId":202882,"corporation":false,"usgs":false,"family":"Grear","given":"Jason","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":729986,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Harris, Lora A.","contributorId":202883,"corporation":false,"usgs":false,"family":"Harris","given":"Lora","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":729987,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Lake, Samuel 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rsignell@usgs.gov","contributorId":1435,"corporation":false,"usgs":true,"family":"Signell","given":"Richard","email":"rsignell@usgs.gov","middleInitial":"P.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":729992,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Testa, Jeremy","contributorId":199779,"corporation":false,"usgs":false,"family":"Testa","given":"Jeremy","affiliations":[],"preferred":false,"id":729993,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"Vaudrey, Jamie M. P.","contributorId":202886,"corporation":false,"usgs":false,"family":"Vaudrey","given":"Jamie M. P.","affiliations":[],"preferred":false,"id":729994,"contributorType":{"id":1,"text":"Authors"},"rank":14}]}} ,{"id":70176595,"text":"70176595 - 2016 - Maternal transfer of contaminants in birds: Mercury and selenium concentrations in parents and their eggs","interactions":[],"lastModifiedDate":"2018-08-07T12:30:37","indexId":"70176595","displayToPublicDate":"2016-03-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1555,"text":"Environmental Pollution","active":true,"publicationSubtype":{"id":10}},"title":"Maternal transfer of contaminants in birds: Mercury and selenium concentrations in parents and their eggs","docAbstract":"We conducted a detailed assessment of the maternal transfer of mercury and selenium to eggs in three bird species (n = 107 parents and n = 339 eggs), and developed predictive equations linking contaminant concentrations in eggs to those in six tissues of the mother (blood, muscle, liver, kidney, breast feathers, and head feathers). Mercury concentrations in eggs were positively correlated with mercury concentrations in each of the mother's internal tissues (R2 ≥ 0.95), but generally not with feathers. For each species, the proportion of mercury transferred to eggs decreased as mercury concentrations in the mother increased. At the same maternal mercury concentration, the proportion of mercury transferred to eggs differed among species, such that Forster's tern (Sterna forsteri) and black-necked stilt (Himantopus mexicanus) females transferred more methylmercury to their eggs than American avocet (Recurvirostra americana) females. Selenium concentrations in eggs also were correlated with selenium concentrations in the mother's liver (R2 = 0.87). Furthermore, mercury and selenium concentrations in tern eggs were positively correlated with those in the father (R2 = 0.84). Incubating male terns had 21% higher mercury concentrations in blood compared to incubating females at the same egg mercury concentration. We provide equations to predict contaminant concentrations in eggs from each of the commonly sampled bird tissues.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.envpol.2015.12.016","usgsCitation":"Ackerman, J., Eagles-Smith, C.A., Herzog, M., and Hartman, C.A., 2016, Maternal transfer of contaminants in birds: Mercury and selenium concentrations in parents and their eggs: Environmental Pollution, v. 210, p. 145-154, https://doi.org/10.1016/j.envpol.2015.12.016.","productDescription":"10 p.","startPage":"145","endPage":"154","ipdsId":"IP-070833","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true},{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true},{"id":34983,"text":"Contaminant Biology Program","active":true,"usgs":true}],"links":[{"id":471200,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.envpol.2015.12.016","text":"Publisher Index Page"},{"id":328859,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"210","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57f7c6cfe4b0bc0bec09cb70","chorus":{"doi":"10.1016/j.envpol.2015.12.016","url":"http://dx.doi.org/10.1016/j.envpol.2015.12.016","publisher":"Elsevier BV","authors":"Ackerman Joshua T., Eagles-Smith Collin A., Herzog Mark P., Hartman C. Alex","journalName":"Environmental Pollution","publicationDate":"3/2016"},"contributors":{"authors":[{"text":"Ackerman, Joshua T. 0000-0002-3074-8322 jackerman@usgs.gov","orcid":"https://orcid.org/0000-0002-3074-8322","contributorId":147078,"corporation":false,"usgs":true,"family":"Ackerman","given":"Joshua T.","email":"jackerman@usgs.gov","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":false,"id":649318,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Eagles-Smith, Collin A. 0000-0003-1329-5285 ceagles-smith@usgs.gov","orcid":"https://orcid.org/0000-0003-1329-5285","contributorId":505,"corporation":false,"usgs":true,"family":"Eagles-Smith","given":"Collin","email":"ceagles-smith@usgs.gov","middleInitial":"A.","affiliations":[{"id":518,"text":"Oregon Water Science Center","active":true,"usgs":true},{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true},{"id":289,"text":"Forest and Rangeland Ecosys Science Center","active":true,"usgs":true}],"preferred":true,"id":649319,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Herzog, Mark P. mherzog@usgs.gov","contributorId":3965,"corporation":false,"usgs":true,"family":"Herzog","given":"Mark P.","email":"mherzog@usgs.gov","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":false,"id":649320,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hartman, C. Alex 0000-0002-7222-1633 chartman@usgs.gov","orcid":"https://orcid.org/0000-0002-7222-1633","contributorId":131109,"corporation":false,"usgs":true,"family":"Hartman","given":"C.","email":"chartman@usgs.gov","middleInitial":"Alex","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":false,"id":649321,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70174880,"text":"70174880 - 2016 - Walter Rowe Courtenay, Jr. (1933–2014)","interactions":[],"lastModifiedDate":"2017-05-04T10:06:31","indexId":"70174880","displayToPublicDate":"2016-03-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1337,"text":"Copeia","active":true,"publicationSubtype":{"id":10}},"title":"Walter Rowe Courtenay, Jr. (1933–2014)","docAbstract":"WALTER R. COURTENAY, JR., ichthyologist and retired professor, Florida Atlantic University, Boca Raton, Florida, died in Gainesville, Florida, on 30 January 2014 at age 80. Walt was born in Neenah, Wisconsin, on 6 November 1933, son of Walter and Emily Courtenay. Walt's interest in fish began at a young age as evidenced by a childhood diary in which at 13 years of age he wrote about his first catch—a two-and-a-half pound “pike” from Lake Winnebago. When Walt turned ten, the family moved from Wisconsin to Nashville, Tennessee, the move precipitated by his father accepting a position as pastor of the First Presbyterian Church. During those early days in Nashville, Walt's father would take summers off and travel to Michigan to teach at Camp Miniwanca along the shore of Lake Michigan where father and son honed their angling skills. It was also at that time Walt's father had definite views on what his son should be doing in adult life—in Walt's case it was to become a medical doctor. However, his Woods Hole internship in marine biology and oceanography toward the end of his undergraduate years was a transformative experience for him so much so that he abandoned all ideas of becoming a medical doctor and instead specialized in ichthyology and oceanography. Apart from the inherent interest and opportunities Woods Hole opened to him, being back at the shore of a large body of water, in this case the Atlantic Ocean, was far more interesting than sitting in lectures on organic chemistry. With that, Walt completed his B.A. degree at Vanderbilt University in 1956. In 1960 while in graduate school in Miami, Walt met and married Francine Saporito, and over the next several years had two children, Walter III and Catherine. He went on to receive his M.S. in 1961 from The Rosenstiel School of Marine and Atmospheric Science at the University of Miami on the systematics of the genus Haemulon (grunts) and his Ph.D. degree in 1965 working under his advisor C. Richard “Dick” Robins, also at Miami, with his dissertation entitled “Atlantic Fishes of the Genus Rypticus (Grammistidae): Systematics and Osteology.” Dick and wife Catherine Robins, also a fellow biologist, thought of him as a great friend to have. They fondly recalled that those of us who knew Walt in his early grad student days valued his sense of humor and unmistakable laugh, much of which was directed at bureaucratic foolishness and pomposity. However, he also had a very serious side when it came to justice and responsibility.
","language":"English","publisher":"The American Society of Ichthyologists and Herpetologists","doi":"10.1643/OT-15-358","usgsCitation":"Benson, A.J., 2016, Walter Rowe Courtenay, Jr. (1933–2014): Copeia, v. 104, no. 1, p. 297-299, https://doi.org/10.1643/OT-15-358.","productDescription":"3 p.","startPage":"297","endPage":"299","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-069233","costCenters":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":325445,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"104","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"578f4f30e4b0ad6235cf003d","contributors":{"authors":[{"text":"Benson, Amy J. 0000-0002-4517-1466 abenson@usgs.gov","orcid":"https://orcid.org/0000-0002-4517-1466","contributorId":3836,"corporation":false,"usgs":true,"family":"Benson","given":"Amy","email":"abenson@usgs.gov","middleInitial":"J.","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true},{"id":566,"text":"Southeast Ecological Science Center","active":true,"usgs":true}],"preferred":true,"id":642964,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70169046,"text":"70169046 - 2016 - Thorium as a nuclear fuel","interactions":[],"lastModifiedDate":"2021-02-17T22:45:46.793611","indexId":"70169046","displayToPublicDate":"2016-03-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"chapter":"10","title":"Thorium as a nuclear fuel","docAbstract":"No abstract available.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Uranium for nuclear power: Resources, mining and transformation to fuel","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Elsevier","usgsCitation":"Van Gosen, B.S., and Tulsidas, H., 2016, Thorium as a nuclear fuel, chap. 10 of Uranium for nuclear power: Resources, mining and transformation to fuel.","ipdsId":"IP-065799","costCenters":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"links":[{"id":328179,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57c95131e4b0f2f0cec15c0a","contributors":{"editors":[{"text":"Hore-Lacy, Ian","contributorId":174227,"corporation":false,"usgs":false,"family":"Hore-Lacy","given":"Ian","email":"","affiliations":[],"preferred":false,"id":647797,"contributorType":{"id":2,"text":"Editors"},"rank":1}],"authors":[{"text":"Van Gosen, Bradley S. 0000-0003-4214-3811 bvangose@usgs.gov","orcid":"https://orcid.org/0000-0003-4214-3811","contributorId":1174,"corporation":false,"usgs":true,"family":"Van Gosen","given":"Bradley","email":"bvangose@usgs.gov","middleInitial":"S.","affiliations":[{"id":387,"text":"Mineral Resources Program","active":true,"usgs":true},{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":622676,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Tulsidas, Harikrishnan","contributorId":167555,"corporation":false,"usgs":false,"family":"Tulsidas","given":"Harikrishnan","email":"","affiliations":[{"id":17794,"text":"International Atomic Energy Agency","active":true,"usgs":false}],"preferred":false,"id":622677,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70170561,"text":"70170561 - 2016 - Spatial patterns of native freshwater mussels in the Upper Mississippi River","interactions":[],"lastModifiedDate":"2016-08-12T10:45:23","indexId":"70170561","displayToPublicDate":"2016-03-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1699,"text":"Freshwater Science","active":true,"publicationSubtype":{"id":10}},"title":"Spatial patterns of native freshwater mussels in the Upper Mississippi River","docAbstract":"Multiple physical and biological factors structure freshwater mussel communities in large rivers, and their distributions have been described as clumped or patchy. However, few surveys of mussel populations have been conducted over areas large enough and at resolutions fine enough to quantify spatial patterns in their distribution. We used global and local indicators of spatial autocorrelation (i.e., Moran’s I) to quantify spatial patterns of adult and juvenile (≤5 y of age) freshwater mussels across multiple scales based on survey data from 4 reaches (navigation pools 3, 5, 6, and 18) of the Upper Mississippi River, USA. Native mussel densities were sampled at a resolution of ∼300 m and across distances ranging from 21 to 37 km, making these some of the most spatially extensive surveys conducted in a large river. Patch density and the degree and scale of patchiness varied by river reach, age group, and the scale of analysis. In all 4 pools, some patches of adults overlapped patches of juveniles, suggesting spatial and temporal persistence of adequate habitat. In pools 3 and 5, patches of juveniles were found where there were few adults, suggesting recent emergence of positive structuring mechanisms. Last, in pools 3, 5, and 6, some patches of adults were found where there were few juveniles, suggesting that negative structuring mechanisms may have replaced positive ones, leading to a lack of localized recruitment. Our results suggest that: 1) the detection of patches of freshwater mussels requires a multiscaled approach, 2) insights into the spatial and temporal dynamics of structuring mechanisms can be gained by conducting independent analyses of adults and juveniles, and 3) maps of patch distributions can be used to guide restoration and management actions and identify areas where mussels are most likely to influence ecosystem function.
","language":"English","publisher":"University of Chicago Press","doi":"10.1086/686670","usgsCitation":"Ries, P.R., De Jager, N.R., Zigler, S.J., and Newton, T., 2016, Spatial patterns of native freshwater mussels in the Upper Mississippi River: Freshwater Science, v. 35, no. 3, p. 934-947, https://doi.org/10.1086/686670.","productDescription":"14 p.","startPage":"934","endPage":"947","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-065443","costCenters":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"links":[{"id":320634,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","otherGeospatial":"Upper Misssissippi River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -93.251953125,\n 40.83043687764923\n ],\n [\n -93.251953125,\n 44.84029065139799\n ],\n [\n -89.82421875,\n 44.84029065139799\n ],\n [\n -89.82421875,\n 40.83043687764923\n ],\n [\n -93.251953125,\n 40.83043687764923\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"35","issue":"3","publishingServiceCenter":{"id":6,"text":"Columbus PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57233434e4b0b13d39148cfb","contributors":{"authors":[{"text":"Ries, Patricia R. pries@usgs.gov","contributorId":5954,"corporation":false,"usgs":true,"family":"Ries","given":"Patricia","email":"pries@usgs.gov","middleInitial":"R.","affiliations":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"preferred":true,"id":627660,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"De Jager, Nathan R. 0000-0002-6649-4125 ndejager@usgs.gov","orcid":"https://orcid.org/0000-0002-6649-4125","contributorId":3717,"corporation":false,"usgs":true,"family":"De Jager","given":"Nathan","email":"ndejager@usgs.gov","middleInitial":"R.","affiliations":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"preferred":true,"id":627661,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Zigler, Steven J. 0000-0002-4153-0652 szigler@usgs.gov","orcid":"https://orcid.org/0000-0002-4153-0652","contributorId":2410,"corporation":false,"usgs":true,"family":"Zigler","given":"Steven","email":"szigler@usgs.gov","middleInitial":"J.","affiliations":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"preferred":true,"id":627662,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Newton, Teresa 0000-0001-9351-5852 tnewton@usgs.gov","orcid":"https://orcid.org/0000-0001-9351-5852","contributorId":150098,"corporation":false,"usgs":true,"family":"Newton","given":"Teresa","email":"tnewton@usgs.gov","affiliations":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"preferred":true,"id":627663,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70189227,"text":"70189227 - 2016 - Mercury transformation and release differs with depth and time in a contaminated riparian soil during simulated flooding","interactions":[],"lastModifiedDate":"2018-08-06T13:12:52","indexId":"70189227","displayToPublicDate":"2016-03-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1759,"text":"Geochimica et Cosmochimica Acta","active":true,"publicationSubtype":{"id":10}},"title":"Mercury transformation and release differs with depth and time in a contaminated riparian soil during simulated flooding","docAbstract":"Riparian soils are an important environment in the transport of mercury in rivers and wetlands, but the biogeochemical factors controlling mercury dynamics under transient redox conditions in these soils are not well understood. Mercury release and transformations in the Oa and underlying A horizons of a contaminated riparian soil were characterized in microcosms and an intact soil core under saturation conditions. Pore water dynamics of total mercury (HgT), methylmercury (MeHg), and dissolved gaseous mercury (Hg0(aq)) along with selected anions, major elements, and trace metals were characterized across redox transitions during 36 d of flooding in microcosms. Next, HgT dynamics were characterized over successive flooding (17 d), drying (28 d), and flooding (36 d) periods in the intact core. The observed mercury dynamics exhibit depth and temporal variability. At the onset of flooding in microcosms (1–3 d), mercury in the Oa horizon soil, present as a combination of ionic mercury (Hg(II)) bound to thiol groups in the soil organic matter (SOM) and nanoparticulate metacinnabar (b-HgS), was mobilized with organic matter of high molecular weight. Subsequently, under anoxic conditions, pore water HgT declined coincident with sulfate (3–11 d) and the proportion of nanoparticulate b-HgS in the Oa horizon soil increased slightly. Redox oscillations in the intact Oa horizon soil exhausted the mobile mercury pool associated with organic matter. In contrast, mercury in the A horizon soil, present predominantly as nanoparticulate b-HgS, was mobilized primarily as Hg0(aq) under strongly reducing conditions (5–18 d). The concentration of Hg0(aq) under dark reducing conditions correlated positively with byproducts of dissimilatory metal reduction (P(Fe,Mn)). Mercury dynamics in intact A horizon soil were consistent over two periods of flooding, indicating that nanoparticulate b-HgS was an accessible pool of mobile mercury over recurrent reducing conditions. The concentration of MeHg increased with flooding time in both the Oa and A horizon pore waters. Temporal changes in pore water constituents (iron, manganese, sulfate, inorganic carbon, headspace methane) all implicate microbial control of redox transitions. The mobilization of mercury in multiple forms, including HgT associated with organic matter, MeHg, and Hg0(aq), to pore waters during periodic soil flooding may contribute to mercury releases to adjacent surface waters and the recycling of the legacy mercury to the atmosphere.","language":"English","publisher":"Elesevier","doi":"10.1016/j.gca.2015.12.024","usgsCitation":"Poulin, B., Aiken, G.R., Nagy, K.L., Manceau, A., Krabbenhoft, D.P., and Ryan, J.N., 2016, Mercury transformation and release differs with depth and time in a contaminated riparian soil during simulated flooding: Geochimica et Cosmochimica Acta, v. 176, p. 118-138, https://doi.org/10.1016/j.gca.2015.12.024.","productDescription":"21 p. 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isotopes","interactions":[],"lastModifiedDate":"2016-03-02T08:47:58","indexId":"ofr20161029","displayToPublicDate":"2016-02-29T18:00:00","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":"2016-1029","title":"Preliminary characterization of nitrogen and phosphorus in groundwater discharging to Lake Spokane, northeastern Washington, using stable nitrogen isotopes","docAbstract":"Lake Spokane, locally referred to as Long Lake, is a 24-mile-long section of the Spokane River impounded by Long Lake Dam that has, in recent decades, experienced water-quality problems associated with eutrophication. Consumption of oxygen by the decomposition of aquatic plants that have proliferated because of high nutrient concentrations has led to seasonally low dissolved oxygen concentrations in the lake. Of nitrogen and phosphorus, the two primary nutrients necessary for aquatic vegetation growth, phosphorus was previously identified as the limiting nutrient that regulates the growth of aquatic plants and, thus, dissolved oxygen concentrations in Lake Spokane. Phosphorus is delivered to Lake Spokane from municipal and industrial point-source inputs to the Spokane River upstream of Lake Spokane, but is also conveyed by groundwater and surface water from nonpoint-sources including septic tanks, agricultural fields, and wildlife. In response, the Washington State Department of Ecology listed Lake Spokane on the 303(d) list of impaired water bodies for low dissolved oxygen concentrations and developed a Total Maximum Daily Load for phosphorus in 1992, which was revised in 2010 because of continuing algal blooms and water-quality concerns.
This report evaluates the concentrations of phosphorus and nitrogen in shallow groundwater discharging to Lake Spokane to determine if a difference exists between nutrient concentrations in groundwater discharging to the lake downgradient of residential development with on-site septic systems and downgradient of undeveloped land without on-site septic systems. Elevated nitrogen isotope values (δ15N) within the roots of aquatic vegetation were used as an indicator of septic-system derived nitrogen. δ15N values were measured in August and September 2014 downgradient of residential development near the lakeshore, of residential development on 300-ft-high terraces above the lake, and of undeveloped land in the eastern (upper) and central (lower) parts of Lake Spokane. Significantly lower δ15N values were measured within aquatic vegetation downgradient of undeveloped land in eastern Lake Spokane relative to both near-shore and terrace residential development land uses. Conversely, significantly higher δ15N values were measured downgradient of undeveloped land in central Lake Spokane relative to the two developed land uses. These results guided the location of subsequent groundwater sampling in March and April 2015 from 30 shallow piezometers driven into the near-shore area of Lake Spokane. Nitrate plus nitrite concentrations in groundwater discharging to Lake Spokane downgradient of undeveloped areas were significantly lower than those measured downgradient of both near-shore and terrace residential development. Orthophosphate concentrations in groundwater were not significantly different with respect to upgradient land use.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20161029","collaboration":"Prepared in cooperation with the Washington State Department of Ecology","usgsCitation":"Gendaszek, A.S., Cox, S.E., and Spanjer, A.R., 2016, Preliminary characterization of nitrogen and phosphorus in groundwater discharging to Lake Spokane, northeastern Washington, using stable nitrogen isotopes: U.S. Geological Survey Open-File Report 2016-1029, 22 p., https://dx.doi.org/10.3133/ofr20161029.","productDescription":"vi, 22 p.","numberOfPages":"30","onlineOnly":"Y","additionalOnlineFiles":"N","ipdsId":"IP-068545","costCenters":[{"id":622,"text":"Washington Water Science Center","active":true,"usgs":true}],"links":[{"id":318436,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2016/1029/ofr20161029.pdf","text":"Report","size":"2.8 MB","linkFileType":{"id":1,"text":"pdf"},"description":"OFR 2016-1029 PDF"},{"id":318435,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2016/1029/coverthb.jpg"}],"country":"United States","state":"Washington","otherGeospatial":"Lake Spokane","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -117.83935546874999,\n 47.77694420640404\n ],\n [\n -117.83935546874999,\n 47.897930761804936\n ],\n [\n -117.53002166748047,\n 47.897930761804936\n ],\n [\n -117.53002166748047,\n 47.77694420640404\n ],\n [\n -117.83935546874999,\n 47.77694420640404\n ]\n ]\n ]\n }\n }\n ]\n}","contact":"Director, Washington Water Science Center
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Mercury is a globally distributed pollutant that threatens human and ecosystem health. Even protected areas, such as national parks, are subjected to mercury contamination because it is delivered through atmospheric deposition, often after long-range transport. In aquatic ecosystems, certain environmental conditions can promote microbial processes that convert inorganic mercury to an organic form (methylmercury). Methylmercury biomagnifies through food webs and is a potent neurotoxicant and endocrine disruptor. The U.S. Geological Survey (USGS), the University of Maine, and the National Park Service (NPS) Air Resources Division are working in partnership at more than 50 national parks across the United States, and with citizen scientists as key participants in data collection, to develop dragonfly nymphs as biosentinels for mercury in aquatic food webs. To validate the use of these biosentinels, and gain a better understanding of the connection between biotic and abiotic pools of mercury, this project also includes collection of landscape data and surface-water chemistry including mercury, methylmercury, pH, sulfate, and dissolved organic carbon and sediment mercury concentration. Because of the wide geographic scope of the research, the project also provides a nationwide “snapshot” of mercury in primarily undeveloped watersheds.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/fs20163005","collaboration":"This work is funded by the USGS-NPS Water Quality Partnership with additional support from National Park Service and University of Maine","usgsCitation":"Eagles-Smith, C.A., Nelson, S.J., Willacker, J.J., Jr., Flanagan Pritz, C.M., and Krabbbenhoft, D.P., 2016, Dragonfly Mercury Project—A citizen science driven approach to linking surface-water chemistry and landscape characteristics to biosentinels on a national scale: U.S. Geological Survey Fact Sheet 2016-3005, 4 p., https://dx.doi.org/10.3133/fs20163005.","productDescription":"Report: 4 p.; HTML Document; Dataset","onlineOnly":"Y","additionalOnlineFiles":"Y","ipdsId":"IP-071815","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science 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U.S. Geological Survey
777 NW 9th St., Suite 400
Corvallis, Oregon 97330
http://fresc.usgs.gov/
The Landscape Fire and Resource Management Planning Tools (LANDFIRE) 2010 data release provides updated and enhanced vegetation, fuel, and fire regime layers consistently across the United States. The data represent landscape conditions from approximately 2010 and are the latest release in a series of planned updates to maintain currency of LANDFIRE data products. Enhancements to the data products included refinement of urban areas by incorporating the National Land Cover Database 2006 land cover product, refinement of agricultural lands by integrating the National Agriculture Statistics Service 2011 cropland data layer, and improved wetlands delineations using the National Land Cover Database 2006 land cover and the U.S. Fish and Wildlife Service National Wetlands Inventory data. Disturbance layers were generated for years 2008 through 2010 using remotely sensed imagery, polygons representing disturbance events submitted by local organizations, and fire mapping program data such as the Monitoring Trends in Burn Severity perimeters produced by the U.S. Geological Survey and the U.S. Forest Service. Existing vegetation data were updated to account for transitions in disturbed areas and to account for vegetation growth and succession in undisturbed areas. Surface and canopy fuel data were computed from the updated vegetation type, cover, and height and occasionally from potential vegetation. Historical fire frequency and succession classes were also updated. Revised topographic layers were created based on updated elevation data from the National Elevation Dataset. The LANDFIRE program also released a new Web site offering updated content, enhanced usability, and more efficient navigation.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20161010","usgsCitation":"Nelson, K.J., Long, D.G., and Connot, J.A., 2016, LANDFIRE 2010—Updates to the national dataset to support improved fire and natural resource management: U.S. Geological Survey Open-File Report, 2016–1010, 48 p, https://dx.doi.org/10.3133/ofr20161010. ","productDescription":"x, 48 p.","onlineOnly":"Y","additionalOnlineFiles":"N","ipdsId":"IP-063923","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":318398,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2016/1010/ofr20161010.pdf","text":"Report","size":"3.54 MB","linkFileType":{"id":1,"text":"pdf"},"description":"OFR 2016-1010"},{"id":318397,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2016/1010/coverthb.jpg"}],"contact":"Director, U.S. Geological Survey
Earth Resources Observation and Science (EROS) Center
47914 252nd Street
Sioux Falls, SD 57198-0001
Analyses of an ~ 6 m sediment core from Lago Paixban in Peten, Guatemala, document the complex evolution of a perennial wetland over the last 10,300 years. The basal sediment is comprised of alluvial/colluvial fill deposited in the early Holocene. The absence of pollen and gastropods in the basal sediments suggests intermittently dry conditions until ~ 9000 cal yr. BP (henceforth BP) when the basin began to hold water perennially. Lowland tropical forest taxa dominated the local vegetation at this time. A distinct band of carbonate dating to ~ 8200 BP suggests regionally dry conditions, possibly associated with the 8.2 ka event. Wetter conditions during the Holocene Thermal Maximum are indicated by evidence of a raised water level and an open water lake. The timing of this interval coincides with strengthening of the Central American Monsoon. An abrupt change at 5500 BP involved the development of a sawgrass marsh and onset of peat deposition. The lowest recorded water levels date to 5500–4500 BP. Pollen, isotope, geochemical, and sedimentological data indicate that the coring site was near the edge of the marsh during this period. A rise in the water table after 4500 BP persisted until around 3500 BP. Clay marl deposition from 3500 to 210 BP corresponds to the period of Maya settlement. An increase in δ13C, the presence of Zea pollen, and a reduction in the percentage of forest taxa pollen indicate agricultural activity at this time. In contrast to several nearby paleoenvironmental studies, proxy evidence from Lago Paixban indicates human presence through the Classic/Postclassic period transition (~ 1000 BP) and persisting until the arrival of Europeans. Cessation of human activity around 210 BP resulted in local afforestation and the re-establishment of the current sawgrass marsh at Lago Paixban.
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2016 - Elastic stress transmission and transformation (ESTT) by confined liquid: A new mechanics for fracture in elastic lithosphere of the earth","interactions":[],"lastModifiedDate":"2016-02-29T14:13:32","indexId":"70168740","displayToPublicDate":"2016-02-29T15:15:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3525,"text":"Tectonophysics","active":true,"publicationSubtype":{"id":10}},"title":"Elastic stress transmission and transformation (ESTT) by confined liquid: A new mechanics for fracture in elastic lithosphere of the earth","docAbstract":"We report on a new mechanical principle, which suggests that a confined liquid in the elastic lithosphere has the potential to transmit a maximum applied compressive stress. This stress can be transmitted to the internal contacts between rock and liquid and would then be transformed into a normal compressive stress with tangential tensile stress components. During this process, both effective compressive normal stress and tensile tangential stresses arise along the liquid–rock contact. The minimum effective tensile tangential stress causes the surrounding rock to rupture. Liquid-driven fracture initiates at the point along the rock–liquid boundary where the maximum compressive stress is applied and propagates along a plane that is perpendicular to the minimum effective tensile tangential stress and also is perpendicular to the minimum principal stress.
\nLiquid-driven fractures and dikes propagate along the axes of cylindrical zones that are perpendicular to the minimum compressive principal stress in rocks in non-tectonic regions. The minimum depth for liquid-driven fracture, which is induced by a spherical confined liquid and an isolated magma chamber in the elastic lithosphere, ranges from 2 to 6 km, whereas dikes with hemi-cylinder-shaped ends propagate upwards closer to the surface under gravity. Transmission of pumping pressure, i.e. the pressure differences on the underside of a dike that is connected with a chamber, from the source magma chamber to intermediate and shallow chambers increases liquid pressure and also the effective tensile tangential stress and therefore leads to new fractures and dike formation and to upwards transport of magmas that have stagnated in the intermediate chamber.
\nTectonic stress alters local stress fields in the surrounding country rocks and therefore synchronously varies the local effective tensile tangential stress and the nature and geometry of the liquid-driven fractures.
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","language":"English","publisher":"The Royal Society","doi":"10.1098/rstb.2015.0200","usgsCitation":"Lafferty, K.D., and Hofmann, E.E., 2016, Marine disease impacts, diagnosis, forecasting, management and policy: Philosophical Transactions of the Royal Society B: Biological Sciences, v. 371, no. 1689, Article 20150200; 3 p., https://doi.org/10.1098/rstb.2015.0200.","productDescription":"Article 20150200; 3 p.","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-071248","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":471203,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://doi.org/10.1098/rstb.2015.0200","text":"External Repository"},{"id":318408,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"371","issue":"1689","publishingServiceCenter":{"id":1,"text":"Sacramento PSC"},"noUsgsAuthors":false,"publicationDate":"2016-03-05","publicationStatus":"PW","scienceBaseUri":"56d56bafe4b015c306f1c123","contributors":{"authors":[{"text":"Lafferty, Kevin D. 0000-0001-7583-4593 klafferty@usgs.gov","orcid":"https://orcid.org/0000-0001-7583-4593","contributorId":1415,"corporation":false,"usgs":true,"family":"Lafferty","given":"Kevin","email":"klafferty@usgs.gov","middleInitial":"D.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":621334,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hofmann, Eileen E.","contributorId":55726,"corporation":false,"usgs":true,"family":"Hofmann","given":"Eileen","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":621335,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ]}