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,{"id":70188286,"text":"70188286 - 2006 - Tracermodel1- Excel workbook for calculation and presentation of environmental tracer data for simple groundwater mixtures: Use of chlorofluorocarbons in hydrology - a guidebook; Section III.10.3","interactions":[],"lastModifiedDate":"2017-06-05T13:56:15","indexId":"70188286","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":9,"text":"Other Report"},"title":"Tracermodel1- Excel workbook for calculation and presentation of environmental tracer data for simple groundwater mixtures: Use of chlorofluorocarbons in hydrology - a guidebook; Section III.10.3","docAbstract":"<p>Atmospheric environmental tracers commonly used to date groundwater on timescales of years to decades include CFC-11, CFC-12, CFC-113, SF6, 85Kr, 3 H and 3 H/3 H0 , where 3 H0 refers to initial tritium (3 H + tritiogenic 3 He) (Cook and Herczeg, 2000). Interpretation of age from environmental tracer data may be relatively simple for a water sample with a single age, but the interpretation is more complex for a sample that is a mixture of waters of varying ages. A mixture can be a natural result of convergence of flow lines to a discharge area such as a spring or stream, or it can be an artefact of sampling a long-screen well. TRACERMODEL1 contains a worksheet that can be used to determine hypothetical concentrations of atmospheric environmental tracers in water samples with several different age distributions. It is designed to permit plotting of ages and tracer concentrations in a variety of different combinations to facilitate interpretation of measurements. TRACERMODEL1 includes several different types of graphs that are linked to the calculations. The spreadsheet and accompanying graphs can be modified for specific applications. For example, the selection of atmospheric environmental tracers can be changed to reflect analytes of interest, the input tracer data can be modified to reflect local conditions or different timescales, and the analytes of interest can include other types of non-point-source contaminants, such as nitrate (Böhlke, 2002). Previous versions of this workbook have been used to evaluate field data in studies of groundwater residence time and agricultural contamination (Böhlke and Denver, 1995; Focazio et al., 1998; Katz et al., 1999; Katz et al., 2001; Plummer et al., 2001; Böhlke and Krantz, 2003; Lindsey et al., 2003). </p>","language":"English","publisher":"International Atomic Energy Agency","usgsCitation":"Bohlke, J., 2006, Tracermodel1- Excel workbook for calculation and presentation of environmental tracer data for simple groundwater mixtures: Use of chlorofluorocarbons in hydrology - a guidebook; Section III.10.3, 5 p.","productDescription":"5 p.","startPage":"239","endPage":"243","costCenters":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"links":[{"id":342110,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":342109,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://www-pub.iaea.org/MTCD/publications/PDF/Pub1238_web.pdf"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"59366daee4b0f6c2d0d7d64e","contributors":{"authors":[{"text":"Bohlke, J.K. 0000-0001-5693-6455 jkbohlke@usgs.gov","orcid":"https://orcid.org/0000-0001-5693-6455","contributorId":191103,"corporation":false,"usgs":true,"family":"Bohlke","given":"J.K.","email":"jkbohlke@usgs.gov","affiliations":[{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":36183,"text":"Hydro-Ecological Interactions Branch","active":true,"usgs":true},{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"preferred":true,"id":697131,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70190595,"text":"70190595 - 2006 - Control of invasive weeds with prescribed burning","interactions":[],"lastModifiedDate":"2017-09-08T14:45:51","indexId":"70190595","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3739,"text":"Weed Technology","onlineIssn":"1550-2740","printIssn":"0890-037X","active":true,"publicationSubtype":{"id":10}},"title":"Control of invasive weeds with prescribed burning","docAbstract":"<p><span>Prescribed burning has primarily been used as a tool for the control of invasive late-season annual broadleaf and grass species, particularly yellow starthistle, medusahead, barb goatgrass, and several bromes. However, timely burning of a few invasive biennial broadleaves (e.g., sweetclover and garlic mustard), perennial grasses (e.g., bluegrasses and smooth brome), and woody species (e.g., brooms and Chinese tallow tree) also has been successful. In many cases, the effectiveness of prescribed burning can be enhanced when incorporated into an integrated vegetation management program. Although there are some excellent examples of successful use of prescribed burning for the control of invasive species, a limited number of species have been evaluated. In addition, few studies have measured the impact of prescribed burning on the long-term changes in plant communities, impacts to endangered plant species, effects on wildlife and insect populations, and alterations in soil biology, including nutrition, mycorrhizae, and hydrology. In this review, we evaluate the current state of knowledge on prescribed burning as a tool for invasive weed management.</span></p>","language":"English","publisher":"Weed Science Society of America","doi":"10.1614/WT-05-086R1.1","usgsCitation":"DiTomaso, J.M., Brooks, M.L., Allen, E.B., Minnich, R., Rice, P.M., and Kyser, G.B., 2006, Control of invasive weeds with prescribed burning: Weed Technology, v. 20, no. 2, p. 535-548, https://doi.org/10.1614/WT-05-086R1.1.","productDescription":"14 p.","startPage":"535","endPage":"548","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":345592,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"20","issue":"2","noUsgsAuthors":false,"publicationDate":"2017-01-20","publicationStatus":"PW","scienceBaseUri":"59b3ac34e4b08b1644d8f1c6","contributors":{"authors":[{"text":"DiTomaso, Joseph M.","contributorId":72925,"corporation":false,"usgs":true,"family":"DiTomaso","given":"Joseph","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":709937,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Brooks, Matthew L. 0000-0002-3518-6787 mlbrooks@usgs.gov","orcid":"https://orcid.org/0000-0002-3518-6787","contributorId":393,"corporation":false,"usgs":true,"family":"Brooks","given":"Matthew","email":"mlbrooks@usgs.gov","middleInitial":"L.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":709938,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Allen, Edith B.","contributorId":139341,"corporation":false,"usgs":false,"family":"Allen","given":"Edith","email":"","middleInitial":"B.","affiliations":[{"id":12741,"text":"U of CA Dept of Botany and Plant Sciences","active":true,"usgs":false}],"preferred":false,"id":709939,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Minnich, Ralph","contributorId":196292,"corporation":false,"usgs":false,"family":"Minnich","given":"Ralph","affiliations":[],"preferred":false,"id":709940,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Rice, Peter M.","contributorId":196293,"corporation":false,"usgs":false,"family":"Rice","given":"Peter","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":709941,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Kyser, Guy B.","contributorId":196294,"corporation":false,"usgs":false,"family":"Kyser","given":"Guy","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":709942,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70185645,"text":"70185645 - 2006 - Arsenic and selenium in microbial metabolism","interactions":[],"lastModifiedDate":"2018-10-26T08:08:11","indexId":"70185645","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5335,"text":"Annual Review of Microbiology","active":true,"publicationSubtype":{"id":10}},"title":"Arsenic and selenium in microbial metabolism","docAbstract":"<p><span>Arsenic and selenium are readily metabolized by prokaryotes, participating in a full range of metabolic functions including assimilation, methylation, detoxification, and anaerobic respiration. Arsenic speciation and mobility is affected by microbes through oxidation/reduction reactions as part of resistance and respiratory processes. A robust arsenic cycle has been demonstrated in diverse environments. Respiratory arsenate reductases, arsenic methyltransferases, and new components in arsenic resistance have been recently described. The requirement for selenium stems primarily from its incorporation into selenocysteine and its function in selenoenzymes. Selenium oxyanions can serve as an electron acceptor in anaerobic respiration, forming distinct nanoparticles of elemental selenium that may be enriched in (76)Se. The biogenesis of selenoproteins has been elucidated, and selenium methyltransferases and a respiratory selenate reductase have also been described. This review highlights recent advances in ecology, biochemistry, and molecular biology and provides a prelude to the impact of genomics studies.</span></p>","language":"English","publisher":"Annual Review","doi":"10.1146/annurev.micro.60.080805.142053","usgsCitation":"Stolz, J.F., Basu, P., Santini, J.M., and Oremland, R.S., 2006, Arsenic and selenium in microbial metabolism: Annual Review of Microbiology, v. 60, p. 107-130, https://doi.org/10.1146/annurev.micro.60.080805.142053.","productDescription":"24 p. ","startPage":"107","endPage":"130","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":338345,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"60","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58da251be4b0543bf7fda800","contributors":{"authors":[{"text":"Stolz, John F.","contributorId":179305,"corporation":false,"usgs":false,"family":"Stolz","given":"John","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":686203,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Basu, Partha","contributorId":189834,"corporation":false,"usgs":false,"family":"Basu","given":"Partha","email":"","affiliations":[],"preferred":false,"id":686204,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Santini, Joanne M.","contributorId":168895,"corporation":false,"usgs":false,"family":"Santini","given":"Joanne","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":686205,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Oremland, Ronald S. 0000-0001-7382-0147 roremlan@usgs.gov","orcid":"https://orcid.org/0000-0001-7382-0147","contributorId":931,"corporation":false,"usgs":true,"family":"Oremland","given":"Ronald","email":"roremlan@usgs.gov","middleInitial":"S.","affiliations":[{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":686206,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70184334,"text":"70184334 - 2006 - Extracellular and intracellular uptake of zinc in a photosynthetic biofilm matrix: ","interactions":[],"lastModifiedDate":"2018-10-26T08:25:35","indexId":"70184334","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1103,"text":"Bulletin of Environmental Contamination and Toxicology","active":true,"publicationSubtype":{"id":10}},"title":"Extracellular and intracellular uptake of zinc in a photosynthetic biofilm matrix: ","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"Springer","doi":"10.1007/s00128-006-1028-5","usgsCitation":"Morris, J., and Meyer, J., 2006, Extracellular and intracellular uptake of zinc in a photosynthetic biofilm matrix: : Bulletin of Environmental Contamination and Toxicology, v. 77, no. 1, p. 30-35, https://doi.org/10.1007/s00128-006-1028-5.","productDescription":"6 p. ","startPage":"30","endPage":"35","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":336962,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"77","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58bfd4ffe4b014cc3a3ba534","contributors":{"authors":[{"text":"Morris, J.M.","contributorId":91675,"corporation":false,"usgs":true,"family":"Morris","given":"J.M.","email":"","affiliations":[],"preferred":false,"id":681036,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Meyer, J.S.","contributorId":85741,"corporation":false,"usgs":true,"family":"Meyer","given":"J.S.","email":"","affiliations":[],"preferred":false,"id":681037,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70184332,"text":"70184332 - 2006 - Changes in organic matter biodegradatility influencing sulfate reduction in an aquifer contaminated by landfill leachate","interactions":[],"lastModifiedDate":"2017-03-07T14:33:10","indexId":"70184332","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2729,"text":"Microbial Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Changes in organic matter biodegradatility influencing sulfate reduction in an aquifer contaminated by landfill leachate","docAbstract":"<p><i class=\"EmphasisTypeItalic \">In situ</i><span> experiments were conducted to measure sulfate reduction rates and identify rate-limiting factors in a shallow, alluvial aquifer contaminated with municipal landfill leachate. Single-well, push–pull tests conducted in a well adjacent to the landfill with &gt;8&nbsp;mM dissolved organic carbon (DOC) exhibited a sulfate reduction rate of 3.2&nbsp;μmol SO</span><sub>4</sub><sup>−2</sup><span> (L sediment)</span><sup>−1</sup><span> day</span><sup>−1</sup><span>, a value in close agreement with laboratory-derived estimates. Identical tests conducted in wells located 90&nbsp;m downgradient where DOC levels remained high (&gt;3&nbsp;mM) showed no detectable sulfate consumption, and laboratory assays confirmed this observation. However, the rates of sulfate reduction in sediment samples obtained from this site were three times larger when they were amended with filter-sterilized groundwater from the upgradient location. The effect of various amendments on sulfate reduction rates was further examined in laboratory incubations using sediment collected from the downgradient site amended with </span><sup>35</sup><span>S sulfate. Unamended sediments showed only weak conversion of the tracer to </span><sup>35</sup><span>S sulfide (5 to 7&nbsp;cpm/cm</span><sup>2</sup><span>), whereas the addition of </span><i class=\"EmphasisTypeItalic \">Desulfovibrio</i><span> cells increased </span><sup>35</sup><span>S sulfide production to 44&nbsp;cpm/cm</span><sup>2</sup><span>. However, the application of heat-killed </span><i class=\"EmphasisTypeItalic \">Desulfovibrio</i><span> had a similar stimulatory effect, as did a lactate amendment. Collectively, these findings indicate that the lack of measurable sulfate reduction at the downgradient site was not due to the absence of the necessary metabolic potential, the presence of lower sulfate concentration, or the quantity of electron donor, but by its biodegradability. The findings also indicate that field bioaugmentation attempts should be interpreted with caution.</span></p>","language":"English","publisher":"Springer Science+Business Media, Inc.","doi":"10.1007/s00248-006-9043-y","usgsCitation":"Harris, S.H., Istok, J.D., and Suflita, J.M., 2006, Changes in organic matter biodegradatility influencing sulfate reduction in an aquifer contaminated by landfill leachate: Microbial Ecology, v. 51, no. 4, p. 535-542, https://doi.org/10.1007/s00248-006-9043-y.","productDescription":"8 p. ","startPage":"535","endPage":"542","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":336960,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"51","issue":"4","noUsgsAuthors":false,"publicationDate":"2006-05-06","publicationStatus":"PW","scienceBaseUri":"58bfd4ffe4b014cc3a3ba536","contributors":{"authors":[{"text":"Harris, Steve H. Jr.","contributorId":54889,"corporation":false,"usgs":true,"family":"Harris","given":"Steve","suffix":"Jr.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":681029,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Istok, Jonathan D.","contributorId":35468,"corporation":false,"usgs":true,"family":"Istok","given":"Jonathan","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":681030,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Suflita, Joseph M.","contributorId":187604,"corporation":false,"usgs":false,"family":"Suflita","given":"Joseph","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":681031,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70028563,"text":"70028563 - 2006 - Relations between climatic variability and hydrologic time series from four alluvial basins across the southwestern United States","interactions":[],"lastModifiedDate":"2016-07-27T10:56:19","indexId":"70028563","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1923,"text":"Hydrogeology Journal","active":true,"publicationSubtype":{"id":10}},"title":"Relations between climatic variability and hydrologic time series from four alluvial basins across the southwestern United States","docAbstract":"<p>Hydrologic time series of groundwater levels, streamflow, precipitation, and tree-ring indices from four alluvial basins in the southwestern United States were spectrally analyzed, and then frequency components were reconstructed to isolate variability due to climatic variations on four time scales. Reconstructed components (RCs), from each time series, were compared to climatic indices like the Pacific Decadal Oscillation (PDO), North American Monsoon (NAM), and El Nin??o-Southern Oscillation (ENSO), to reveal that as much as 80% of RC variation can be correlated with climate variations on corresponding time scales. In most cases, the hydrologic RCs lag behind the climate indices by 1-36 months. In all four basins, PDO-like components were the largest contributors to cyclic hydrologic variability. Generally, California time series have more variation associated with PDO and ENSO than the Arizona series, and Arizona basins have more variation associated with NAM. ENSO cycles were present in all four basins but were the largest relative contributors in southeastern Arizona. Groundwater levels show a wide range of climate responses that can be correlated from well to well in the various basins, with climate responses found in unconfined and confined aquifers from pumping centers to mountain fronts. ?? Springer-Verlag 2006.</p>","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Hydrogeology Journal","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1007/s10040-006-0067-7","issn":"14312174","usgsCitation":"Hanson, R.T., Dettinger, M.D., and Newhouse, M., 2006, Relations between climatic variability and hydrologic time series from four alluvial basins across the southwestern United States: Hydrogeology Journal, v. 14, no. 7, p. 1122-1146, https://doi.org/10.1007/s10040-006-0067-7.","startPage":"1122","endPage":"1146","numberOfPages":"25","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":552,"text":"San Francisco Bay-Delta","active":false,"usgs":true}],"links":[{"id":236463,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":209759,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s10040-006-0067-7"}],"volume":"14","issue":"7","noUsgsAuthors":false,"publicationDate":"2006-08-12","publicationStatus":"PW","scienceBaseUri":"50e4a6f0e4b0e8fec6cdc2fb","contributors":{"authors":[{"text":"Hanson, R. T.","contributorId":91148,"corporation":false,"usgs":true,"family":"Hanson","given":"R.","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":418613,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dettinger, M. D. 0000-0002-7509-7332","orcid":"https://orcid.org/0000-0002-7509-7332","contributorId":93069,"corporation":false,"usgs":false,"family":"Dettinger","given":"M.","middleInitial":"D.","affiliations":[{"id":16196,"text":"Scripps Institution of Oceanography, La Jolla, CA","active":true,"usgs":false}],"preferred":false,"id":418614,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Newhouse, M.W.","contributorId":65892,"corporation":false,"usgs":true,"family":"Newhouse","given":"M.W.","email":"","affiliations":[],"preferred":false,"id":418612,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":79555,"text":"sir20065224 - 2006 - The Amphibian Research and Monitoring Initiative (ARMI): 5-year report","interactions":[],"lastModifiedDate":"2020-01-26T11:39:48","indexId":"sir20065224","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2006-5224","title":"The Amphibian Research and Monitoring Initiative (ARMI): 5-year report","docAbstract":"<p>The Amphibian Research and Monitoring Initiative (ARMI) is an innovative, multidisciplinary program that began in 2000 in response to a congressional directive for the Department of the Interior to address the issue of amphibian declines in the United States. ARMI&rsquo;s formulation was cross-disciplinary, integrating U.S. Geological Survey scientists from Biology, Water, and Geography to develop a course of action (Corn and others, 2005a). The result has been an effective program with diverse, yet complementary, expertise.</p>\n<p>ARMI&rsquo;s approach to research and monitoring is multiscale. Detailed investigations focus on a few species at selected local sites throughout the country; monitoring addresses a larger number of species over broader areas (typically, National Parks and National Wildlife Refuges); and inventories to document species occurrence are conducted more extensively across the landscape. Where monitoring is conducted, the emphasis is on an ability to draw statistically defensible conclusions about the status of amphibians. To achieve this objective, ARMI has instituted a monitoring response variable that has nationwide applicability. At research sites, ARMI focuses on studying species/environment interactions, determining causes of observed declines, and developing new techniques to sample populations and analyze data. Results from activities at all scales are provided to scientists, land managers, and policymakers, as appropriate.</p>\n<p>The ARMI program and the scientists involved contribute significantly to understanding amphibian declines at local, regional, national, and international levels. Within National Parks and National Wildlife Refuges, findings help land managers make decisions applicable to amphibian conservation. For example, the National Park Service (NPS) selected amphibians as a vital sign for several of their monitoring networks, and ARMI scientists provide information and assistance in developing monitoring methods for this NPS effort. At the national level, ARMI has had major exposure at a variety of meetings, including a dedicated symposium at the 2004 joint meetings of the Herpetologists&rsquo; League, the American Society of Ichthyologists and Herpetologists, and the Society for the Study of Amphibians and Reptiles. Several principal investigators have brought international exposure to ARMI through venues such as the World Congress of Herpetology in South Africa in 2005 (invited presentation by Dr. Gary Fellers), the Global Amphibian Summit, sponsored by the International Union for Conservation of Nature (IUCN) and Wildlife Conservation International, in Washington, D.C., 2005 (invited participation by Dr. P.S. Corn), and a special issue of the international herpetological journal Alytes focused on ARMI in 2004 (edited by Dr. C.K. Dodd, Jr.).</p>\n<p>ARMI research and monitoring efforts have addressed at least 7 of the 21 Threatened and Endangered Species listed by the U.S. Fish and Wildlife Service (California red-legged frog [Rana draytonii], Chiricahua leopard frog [R. chiricahuensis], arroyo toad [Bufo californicus], dusky gopher frog [Rana sevosa], mountain yellow-legged frog [R. muscosa], flatwoods salamander [Ambystoma cingulatum], and the golden coqui [Eleutherodactylus jasperi]), and 9 additional species of concern recognized by the IUCN. ARMI investigations have addressed time-sensitive research, such as emerging infectious diseases and effects on amphibians related to natural disasters like wildfire, hurricanes, and debris flows, and the effects of more constant, environmental change, like urban expansion, road development, and the use of pesticides.</p>\n<p>Over the last 5 years, ARMI has partnered with an extensive list of government, academic, and private entities. These partnerships have been fruitful and have assisted ARMI in developing new field protocols and analytic tools, in using and refining emerging technologies to improve accuracy and efficiency of data handling, in conducting amphibian disease, malformation, and environmental effects research, and in implementing a network of monitoring and research sites. Accomplishments from these endeavors include more than 40 publications on amphibian status and trends, nearly 100 publications on amphibian ecology and causes of declines, and over 30 methodological publications. Several databases have emerged as a result of ARMI and its partnerships; one, a digital atlas of ranges for all U.S. amphibian species, was used by the IUCN to display amphibian distribution maps in the Global Amphibian Assessment Project.</p>\n<p>Given the scope of ARMI and the panoply of projects, findings have had implications for policy. Investigations that demonstrate amphibian declines or illuminate causes of declines provide valuable information about habitat management, environmental effects, mechanisms for the spread of disease, and human/amphibian interfaces. This information has been made available to land managers, scientists, educators, Congress and other policymakers, and the public. The support afforded ARMI by Congress has been influential in the program&rsquo;s development and success. The value of ARMI&rsquo;s efforts will continue to increase as we are able to extend our studies spatially and temporally to answer critical questions with more confidence. We are using ARMI&rsquo;s resources efficiently and continuing to develop innovative mechanisms for leveraging resources for maximum effectiveness during challenging financial times.</p>\n<p>This report is a 5-year retrospective of the structure, methodology, progress, and contributions to the broader scientific community that have resulted from this national USGS program. We evaluate ARMI&rsquo;s success to date, with regard to the challenges faced by the program and the strengths that have emerged. We chart objectives for the next 5 years that build on current accomplishments, highlight areas meriting further research, and direct efforts to overcome existing weaknesses.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20065224","usgsCitation":"Muths, E., Gallant, A.L., Campbell Grant, E., Battaglin, W.A., Green, D.E., Staiger, J.S., Walls, S., Gunzburger, M.S., and Kearney, R.F., 2006, The Amphibian Research and Monitoring Initiative (ARMI): 5-year report: U.S. Geological Survey Scientific Investigations Report 2006-5224, viii, 77 p., https://doi.org/10.3133/sir20065224.","productDescription":"viii, 77 p.","numberOfPages":"87","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true},{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":191954,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/sir20065224.PNG"},{"id":320233,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sir/2006/5224/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad5e4b07f02db68344c","contributors":{"authors":[{"text":"Muths, Erin 0000-0002-5498-3132","orcid":"https://orcid.org/0000-0002-5498-3132","contributorId":14012,"corporation":false,"usgs":true,"family":"Muths","given":"Erin","affiliations":[],"preferred":false,"id":290215,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gallant, Alisa L. 0000-0002-3029-6637 gallant@usgs.gov","orcid":"https://orcid.org/0000-0002-3029-6637","contributorId":2940,"corporation":false,"usgs":true,"family":"Gallant","given":"Alisa","email":"gallant@usgs.gov","middleInitial":"L.","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":290212,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Campbell Grant, Evan H. 0000-0003-4401-6496","orcid":"https://orcid.org/0000-0003-4401-6496","contributorId":23233,"corporation":false,"usgs":true,"family":"Campbell Grant","given":"Evan H.","affiliations":[],"preferred":false,"id":290216,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Battaglin, William A. 0000-0001-7287-7096 wbattagl@usgs.gov","orcid":"https://orcid.org/0000-0001-7287-7096","contributorId":1527,"corporation":false,"usgs":true,"family":"Battaglin","given":"William","email":"wbattagl@usgs.gov","middleInitial":"A.","affiliations":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"preferred":true,"id":290211,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Green, David E. 0000-0002-7663-1832 degreen@usgs.gov","orcid":"https://orcid.org/0000-0002-7663-1832","contributorId":3715,"corporation":false,"usgs":true,"family":"Green","given":"David","email":"degreen@usgs.gov","middleInitial":"E.","affiliations":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"preferred":true,"id":290213,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Staiger, Jennifer S. jstaiger@usgs.gov","contributorId":5915,"corporation":false,"usgs":true,"family":"Staiger","given":"Jennifer","email":"jstaiger@usgs.gov","middleInitial":"S.","affiliations":[],"preferred":true,"id":290214,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Walls, Susan C. 0000-0001-7391-9155","orcid":"https://orcid.org/0000-0001-7391-9155","contributorId":52284,"corporation":false,"usgs":true,"family":"Walls","given":"Susan C.","affiliations":[],"preferred":false,"id":290218,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Gunzburger, Margaret S.","contributorId":43449,"corporation":false,"usgs":true,"family":"Gunzburger","given":"Margaret","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":290217,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Kearney, Rick F.","contributorId":72472,"corporation":false,"usgs":true,"family":"Kearney","given":"Rick","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":290219,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}}
,{"id":76778,"text":"ofr20061093 - 2006 - Users' manual for the Hydroecological Integrity Assessment Process software (including the New Jersey Assessment Tools)","interactions":[],"lastModifiedDate":"2016-04-25T14:53:50","indexId":"ofr20061093","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","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":"2006-1093","title":"Users' manual for the Hydroecological Integrity Assessment Process software (including the New Jersey Assessment Tools)","docAbstract":"<p>This manual is a user&rsquo;s guide to four computer software tools that have been developed for the Hydroecological Integrity Assessment Process. The Hydroecological Integrity Assessment Process recognizes that streamflow is strongly related to many critical physiochemical components of rivers, such as dissolved oxygen, channel geomorphology, and water temperature, and can be considered a &ldquo;master variable&rdquo; that limits the disturbance, abundance, and diversity of many aquatic plant and animal species.</p>\n<p>Applying the Hydroecological Integrity Assessment Process involves four steps: (1) a hydrologic classification of relatively unmodified streams in a geographic area using long-term gage records and 171 ecologically relevant indices; (2) the identification of statistically significant, nonredundant, hydroecologically relevant indices associated with the five major flow components for each stream class; and (3) the development of a stream-classification tool and a hydrologic assessment tool. Four computer software tools have been developed.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20061093","usgsCitation":"Henriksen, J.A., Heasley, J., Kennen, J., and Nieswand, S., 2006, Users' manual for the Hydroecological Integrity Assessment Process software (including the New Jersey Assessment Tools): U.S. Geological Survey Open-File Report 2006-1093, viii, 72 p., https://doi.org/10.3133/ofr20061093.","productDescription":"viii, 72 p.","numberOfPages":"80","onlineOnly":"N","additionalOnlineFiles":"Y","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":192305,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr20061093.PNG"},{"id":320240,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2006/1093/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ac7e4b07f02db67adea","contributors":{"authors":[{"text":"Henriksen, James A.","contributorId":89985,"corporation":false,"usgs":true,"family":"Henriksen","given":"James","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":287883,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Heasley, John","contributorId":57004,"corporation":false,"usgs":true,"family":"Heasley","given":"John","email":"","affiliations":[],"preferred":false,"id":287882,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kennen, Jonathan G. 0000-0002-5426-4445 jgkennen@usgs.gov","orcid":"https://orcid.org/0000-0002-5426-4445","contributorId":574,"corporation":false,"usgs":true,"family":"Kennen","given":"Jonathan G.","email":"jgkennen@usgs.gov","affiliations":[{"id":470,"text":"New Jersey Water Science Center","active":true,"usgs":true}],"preferred":true,"id":287880,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Nieswand, Steven","contributorId":34212,"corporation":false,"usgs":true,"family":"Nieswand","given":"Steven","affiliations":[],"preferred":false,"id":287881,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":79396,"text":"ofr20061249 - 2006 - Assessment of factors limiting Klamath River fall Chinook salmon production potential using historical flows and temperatures","interactions":[],"lastModifiedDate":"2016-04-25T14:43:11","indexId":"ofr20061249","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","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":"2006-1249","title":"Assessment of factors limiting Klamath River fall Chinook salmon production potential using historical flows and temperatures","docAbstract":"<p>We parameterized and applied a deterministic salmon production model to infer the degree to which river flows and temperatures may limit freshwater production potential of the Klamath River in California. Specific parameter requirements, data sources, and significant assumptions are discussed in detail. Model simulations covered a wide variety of historical hydrologic and meteorologic conditions for 40+ years of environmental data.</p>\n<p>The model was calibrated only qualitatively, appearing to perform well in predicted outmigrant timing, but overestimating growth. Egg-to-outmigrant survival was near that reported for other rivers north of the Klamath River.</p>\n<p>Predicted production potential appeared to be determined by multiple causes involving both regularly occurring habitat-related constraints and irregularly occurring exposure to high water temperatures. Simulated production was greatest in years of intermediate water availability and was constrained in both dry and wet years, but for different reasons. Reducing mortality associated with limitations to juvenile habitat, if possible, would be expected to have the highest payoff in increasing production. Water temperature was important in determining predicted production in some years but overall was not predicted to be as important as physical microhabitat. No single mortality cause acted as a true &ldquo;bottleneck&rdquo; on production.</p>\n<p>Model uncertainty is addressed through a sensitivity analysis. Predicted habitat area may be a large source of model uncertainty and sensitivity, but collectively, model parameters associated with timing of events (for example spawning, fry emergence, and emigration) or related triggers control much of the model sensitivity.</p>\n<p>&nbsp;</p>\n<p>Though model uncertainty remains, one can begin to explore potential alternatives to reduce production limitations. Specific recommendations are made regarding future study and reducing uncertainty.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20061249","usgsCitation":"Bartholow, J.M., and Henriksen, J.A., 2006, Assessment of factors limiting Klamath River fall Chinook salmon production potential using historical flows and temperatures: U.S. Geological Survey Open-File Report 2006-1249, viii, 111 p., https://doi.org/10.3133/ofr20061249.","productDescription":"viii, 111 p.","numberOfPages":"119","onlineOnly":"Y","additionalOnlineFiles":"N","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":192187,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr20061249.PNG"},{"id":320228,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2006/1249/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"California, Oregon","otherGeospatial":"Klamath River","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -124.03015136718749,\n              41.253032440653186\n            ],\n            [\n              -123.255615234375,\n              40.371658891506094\n            ],\n            [\n              -122.9644775390625,\n              40.3130432088809\n            ],\n            [\n              -122.728271484375,\n              40.772221877329024\n            ],\n            [\n              -122.3822021484375,\n              41.27367811566259\n            ],\n            [\n              -120.75622558593749,\n              41.85728792769137\n            ],\n            [\n              -121.1572265625,\n              43.40504748787035\n            ],\n            [\n              -121.728515625,\n              43.41701888881103\n            ],\n            [\n              -122.18994140624999,\n              42.91620643817353\n            ],\n            [\n              -124.068603515625,\n              41.541477666790286\n            ],\n            [\n              -124.03015136718749,\n              41.253032440653186\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abae4b07f02db67201a","contributors":{"authors":[{"text":"Bartholow, John M.","contributorId":77598,"corporation":false,"usgs":true,"family":"Bartholow","given":"John","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":289779,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Henriksen, James A.","contributorId":89985,"corporation":false,"usgs":true,"family":"Henriksen","given":"James","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":289780,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":79482,"text":"ofr20061267 - 2006 - 2005 annual progress report: Elk and bison grazing ecology in the Great Sand Dunes complex of lands","interactions":[],"lastModifiedDate":"2016-04-25T14:15:45","indexId":"ofr20061267","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","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":"2006-1267","title":"2005 annual progress report: Elk and bison grazing ecology in the Great Sand Dunes complex of lands","docAbstract":"<p>In 2000 the U.S. Congress authorized the expansion of the former Great Sand Dunes National Monument by establishing a new Great Sand Dunes National Park and Preserve in its place, and establishing the Baca National Wildlife Refuge. The establishment of Great Sand Dunes National Park and Preserve and the new Baca National Wildlife Refuge in the San Luis Valley (SLV), Colorado was one of the most significant land conservation actions in the western U.S. in recent years. The action was a result of cooperation between the National Park Service (NPS), U.S. Fish and Wildlife Service (USFWS), Bureau of Land Management (BLM), U.S. Forest Service (USDA-FS), and The Nature Conservancy (TNC). The new national park, when fully implemented, will consist of 107,265 acres, the new national preserve 41,872 acres, and the new national wildlife refuge (USFWS lands) 92,180 acres (fig. 1). The area encompassed by this designation protects a number of natural wonders and features including a unique ecosystem of natural sand dunes, the entire watershed of surface and groundwaters that are necessary to preserve and recharge the dunes and adjacent wetlands, a unique stunted forest, and other valuable riparian vegetation communities that support a host of associated wildlife and bird species.</p>\n<p>When the National Park was initially established, there were concerns about overconcentrations and impacts on native plant communities of the unhunted segments of a large and possibly growing elk (Cervus elaphus) population. This led to the designation of the Preserve as a compromise solution, where the elk could be harvested. The Preserve Unit, however, will not address all the ungulate management challenges. In order to reduce the current elk population, harvests of elk may need to be aggressive. But aggressive special hunts of elk to achieve population reductions can result in elk avoidance of certain areas or elk seeking refuge in areas where they cannot be hunted, while removals of whole herd segments and abandonment or alterations of migration routes can occur (Smith and Robbins, 1994; Boyce and others, 1991). Elk may seek refuge from hunting in the newly expanded Park Unit and TNC lands where they might overconcentrate and impact unique vegetation communities. In these sites of refugia, or preferred loafing sites, elk and bison could accelerate a decline in woody riparian shrubs and trees. This decline may also be due to changes in hydrology, climatic, or dunal processes, but ungulate herbivory might exacerbate the effects of those processes.</p>\n<p>To address the questions and needs of local resource managers, a multi-agency research project was initiated in 2005 to study the ecology, forage relations, and habitat relations of elk and bison in the Great Sand Dunes&ndash;Sangre de Cristo&ndash;Baca complex of lands. Meetings and discussions of what this research should include were started in 2001 with representatives from NPS, USFWS, TNC, the Colorado Division of Wildlife (CDOW), and USDA-FS/BLM. The final study plan was successfully funded in 2004 with research scheduled to start in 2005. The research was designed to encompass three major study elements: (1) animal movements and population dynamics, (2) vegetation and nutrient effects from ungulate herbivory, and (3) development of ecological models, using empirical data collected from the first two components, that will include estimates of elk carrying capacity and management scenarios for resource managers.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20061267","usgsCitation":"Schoenecker, K.A., Lubow, B., Zeigenfuss, L., and Mao, J., 2006, 2005 annual progress report: Elk and bison grazing ecology in the Great Sand Dunes complex of lands: U.S. Geological Survey Open-File Report 2006-1267, viii, 45 p., https://doi.org/10.3133/ofr20061267.","productDescription":"viii, 45 p.","numberOfPages":"53","onlineOnly":"Y","additionalOnlineFiles":"N","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":190612,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr20061267.PNG"},{"id":320220,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2006/1267/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Colorado","otherGeospatial":"Baca National Wildlife Refuge, Great Sand Dunes National Park and Preserve, San Luis Valley","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -105.86975097656249,\n              37.54893261064109\n            ],\n            [\n              -105.86975097656249,\n              37.913867495923746\n            ],\n            [\n              -105.49072265625,\n              37.913867495923746\n            ],\n            [\n              -105.49072265625,\n              37.54893261064109\n            ],\n            [\n              -105.86975097656249,\n              37.54893261064109\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd491fe4b0b290850eee8b","contributors":{"authors":[{"text":"Schoenecker, Kate A.","contributorId":64343,"corporation":false,"usgs":true,"family":"Schoenecker","given":"Kate","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":290017,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lubow, Bruce C.","contributorId":59520,"corporation":false,"usgs":true,"family":"Lubow","given":"Bruce C.","affiliations":[],"preferred":false,"id":290016,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Zeigenfuss, Linda 0000-0002-6700-8563 linda_zeigenfuss@usgs.gov","orcid":"https://orcid.org/0000-0002-6700-8563","contributorId":2079,"corporation":false,"usgs":true,"family":"Zeigenfuss","given":"Linda","email":"linda_zeigenfuss@usgs.gov","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":290015,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Mao, Julie","contributorId":74460,"corporation":false,"usgs":true,"family":"Mao","given":"Julie","email":"","affiliations":[],"preferred":false,"id":290018,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":77648,"text":"fs20063088 - 2006 - \"HIP\" new software: The Hydroecological Integrity Assessment Process","interactions":[],"lastModifiedDate":"2018-01-01T16:52:26","indexId":"fs20063088","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":313,"text":"Fact Sheet","code":"FS","onlineIssn":"2327-6932","printIssn":"2327-6916","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2006-3088","title":"\"HIP\" new software: The Hydroecological Integrity Assessment Process","docAbstract":"<p>Managing rivers and streams to maintain healthy aquatic ecosystems is a challenge for resource managers across the country. Demand for competing uses of water resources grows with escalating development, increasing recreational use, and the vagaries of climate and weather. For many species of concern, instream flow and associated water quality are critical for survival. Balancing ecosystem needs with proposed changes in flow regimes requires a process managers can use to determine the ecological and hydrological effects of changes in streamflow.</p>\n<p>Center (FORT) have developed the Hydroecological Integrity Assessment Process (HIP) and a suite of software tools for conducting a hydrologic classification of streams, addressing instream flow needs, and assessing past and proposed hydrologic alterations on streamflow and other ecosystem components. The HIP recognizes that streamflow is strongly related to many critical physiochemical components of rivers, such as dissolved oxygen, channel geomorphology, and habitats. Streamflow is considered a &ldquo;master variable&rdquo; that limits the distribution, abundance, and diversity of many aquatic plant and animal species.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/fs20063088","usgsCitation":"Henriksen, J., and Wilson, J.T., 2006, \"HIP\" new software: The Hydroecological Integrity Assessment Process: U.S. Geological Survey Fact Sheet 2006-3088, 2 p., https://doi.org/10.3133/fs20063088.","productDescription":"2 p.","onlineOnly":"Y","additionalOnlineFiles":"N","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":121012,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/fs_2006_3088.jpg"},{"id":320221,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/fs/2006/3088/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd4900e4b0b290850eecc0","contributors":{"authors":[{"text":"Henriksen, Jim","contributorId":23638,"corporation":false,"usgs":true,"family":"Henriksen","given":"Jim","affiliations":[],"preferred":false,"id":288829,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wilson, Juliette T.","contributorId":86439,"corporation":false,"usgs":true,"family":"Wilson","given":"Juliette","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":288830,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":1001072,"text":"1001072 - 2006 - Modeling wetland plant community response to assess water-level regulation scenarios in the Lake Ontario-St. Lawrence River basin","interactions":[],"lastModifiedDate":"2016-05-09T10:45:38","indexId":"1001072","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1552,"text":"Environmental Monitoring and Assessment","onlineIssn":"1573-2959","printIssn":"0167-6369","active":true,"publicationSubtype":{"id":10}},"title":"Modeling wetland plant community response to assess water-level regulation scenarios in the Lake Ontario-St. Lawrence River basin","docAbstract":"<p>The International Joint Commission has recently completed a five-year study (2000-2005) to review the operation of structures controlling the flows and levels of the Lake Ontario - St. Lawrence River system. In addition to addressing the multitude of stakeholder interests, the regulation plan review also considers environmental sustainability and integrity of wetlands and various ecosystem components. The present paper outlines the general approach, scientific methodology and applied management considerations of studies quantifying the relationships between hydrology and wetland plant assemblages (% occurrence, surface area) in Lake Ontario and the Upper and Lower St. Lawrence River. Although similar study designs were used across the study region, different methodologies were required that were specifically adapted to suit the important regional differences between the lake and river systems, range in water-level variations, and confounding factors (geomorphic types, exposure, sediment characteristics, downstream gradient of water quality, origin of water masses in the Lower River). Performance indicators (metrics), such as total area of wetland in meadow marsh vegetation type, that link wetland response to water levels will be used to assess the effects of different regulation plans under current and future (climate change) water-supply scenarios.</p>","language":"English","publisher":"Springer","doi":"10.1007/s10661-005-9086-4","usgsCitation":"Hudon, C., Wilcox, D., and Ingram, J., 2006, Modeling wetland plant community response to assess water-level regulation scenarios in the Lake Ontario-St. Lawrence River basin: Environmental Monitoring and Assessment, v. 113, no. 1-3, p. 303-328, https://doi.org/10.1007/s10661-005-9086-4.","productDescription":"26 p.","startPage":"303","endPage":"328","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":477564,"rank":1,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"http://hdl.handle.net/20.500.12648/2305","text":"External Repository"},{"id":133564,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"113","issue":"1-3","noUsgsAuthors":false,"publicationDate":"2006-02-24","publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db69976f","contributors":{"authors":[{"text":"Hudon, Christiane","contributorId":80632,"corporation":false,"usgs":true,"family":"Hudon","given":"Christiane","email":"","affiliations":[],"preferred":false,"id":310395,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wilcox, Douglas","contributorId":72764,"corporation":false,"usgs":true,"family":"Wilcox","given":"Douglas","affiliations":[],"preferred":false,"id":310394,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ingram, Joel","contributorId":65046,"corporation":false,"usgs":true,"family":"Ingram","given":"Joel","affiliations":[],"preferred":false,"id":310393,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":1001073,"text":"1001073 - 2006 - Predicting crappie recruitment in Ohio reservoirs with spawning stock size, larval density, and chlorophyll concentrations","interactions":[],"lastModifiedDate":"2012-02-02T00:04:44","indexId":"1001073","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2886,"text":"North American Journal of Fisheries Management","active":true,"publicationSubtype":{"id":10}},"title":"Predicting crappie recruitment in Ohio reservoirs with spawning stock size, larval density, and chlorophyll concentrations","docAbstract":"Stock-recruit models typically use only spawning stock size as a predictor of recruitment to a fishery. In this paper, however, we used spawning stock size as well as larval density and key environmental variables to predict recruitment of white crappies Pomoxis annularis and black crappies P. nigromaculatus, a genus notorious for variable recruitment. We sampled adults and recruits from 11 Ohio reservoirs and larvae from 9 reservoirs during 1998-2001. We sampled chlorophyll as an index of reservoir productivity and obtained daily estimates of water elevation to determine the impact of hydrology on recruitment. Akaike's information criterion (AIC) revealed that Ricker and Beverton-Holt stock-recruit models that included chlorophyll best explained the variation in larval density and age-2 recruits. Specifically, spawning stock catch per effort (CPE) and chlorophyll explained 63-64% of the variation in larval density. In turn, larval density and chlorophyll explained 43-49% of the variation in age-2 recruit CPE. Finally, spawning stock CPE and chlorophyll were the best predictors of recruit CPE (i.e., 74-86%). Although larval density and recruitment increased with chlorophyll, neither was related to seasonal water elevation. Also, the AIC generally did not distinguish between Ricker and Beverton-Holt models. From these relationships, we concluded that crappie recruitment can be limited by spawning stock CPE and larval production when spawning stock sizes are low (i.e., CPE , 5 crappies/net-night). At higher levels of spawning stock sizes, spawning stock CPE and recruitment were less clearly related. To predict recruitment in Ohio reservoirs, managers should assess spawning stock CPE with trap nets and estimate chlorophyll concentrations. To increase crappie recruitment in reservoirs where recruitment is consistently poor, managers should use regulations to increase spawning stock size, which, in turn, should increase larval production and recruits to the fishery.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"North American Journal of Fisheries Management","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Bunnell, D., Hale, R.S., Vanni, M., and Stein, R., 2006, Predicting crappie recruitment in Ohio reservoirs with spawning stock size, larval density, and chlorophyll concentrations: North American Journal of Fisheries Management, v. 26, no. 1, p. 1-12.","productDescription":"p. 1-12","startPage":"1","endPage":"12","numberOfPages":"11","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":133662,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"26","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aafe4b07f02db66cae6","contributors":{"authors":[{"text":"Bunnell, David B.","contributorId":14360,"corporation":false,"usgs":true,"family":"Bunnell","given":"David B.","affiliations":[],"preferred":false,"id":310396,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hale, R. Scott","contributorId":104868,"corporation":false,"usgs":true,"family":"Hale","given":"R.","email":"","middleInitial":"Scott","affiliations":[],"preferred":false,"id":310399,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Vanni, Michael J.","contributorId":49756,"corporation":false,"usgs":true,"family":"Vanni","given":"Michael J.","affiliations":[],"preferred":false,"id":310398,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Stein, Roy A.","contributorId":21494,"corporation":false,"usgs":true,"family":"Stein","given":"Roy A.","affiliations":[],"preferred":false,"id":310397,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":1003370,"text":"1003370 - 2006 - Variability and regulation of denitrification in an Upper Mississippi River backwater","interactions":[],"lastModifiedDate":"2012-02-02T00:15:43","indexId":"1003370","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2564,"text":"Journal of the North American Benthological Society","onlineIssn":"1937-237X","printIssn":"0887-3593","active":true,"publicationSubtype":{"id":10}},"title":"Variability and regulation of denitrification in an Upper Mississippi River backwater","docAbstract":"Sediments in the backwaters of the Upper Mississippi River (UMR) are highly organic and provide an optimal environment for N removal. We monitored an 8.6-ha UMR backwater site near La Crosse, Wisconsin, for nearly 3 y to assess temporal variability, seasonal trends, and the factors regulating denitrification. We measured rates of unamended denitrification (DEN) and denitrification enzyme activity (DEA) rates at ambient temperature and DEA at 30 degrees C (DEA30). Seasonal mean (+/- 1 SE) DEN rates ranged from 0.041 +/- 0.015 to 0.47 +/- 0.23 mu g N cm(-2) h(-1)and were highest in winter and lowest in autumn. Seasonal rates of DEA exhibited a different pattern with the highest rates in summer (25.6 +/- 3.4 mu g N cm(-2) h(-1)) and the lowest rates in winter (10.6 +/- 2.1 mu g N cm(-2) h(-1)). The overall mean DEA30 rate was 31.0 +/- 1.9 mu g N cm(-2) h(-1) but showed no significant seasonal pattern. Short-term (weekly) and seasonal variability exhibited by rates of DEN and DEA were best explained by water-column NO3- concentration and temperature, respectively. No environmental variables explained a significant amount of variability in DEA30. Our results suggest that nutrient (i.e., NO3-) availability and temperature are both regulators of denitrification, with NO3- concentration being the most important limiting factor in this system. The high DEN rates during winter were in response to elevated NO3- concentrations resulting from a chain reaction beginning with algal blooms creating oxic conditions that stimulated nitrification. Increasing hydrological connectivity in large rivers as a river management tool to reduce N flux to downstream areas may be beneficial.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of the North American Benthological Society","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"North Amererican Benthological Society","publisherLocation":"Lawrence, KS","usgsCitation":"Strauss, E., Richardson, W.B., Cavanaugh, J., Bartsch, L., Kreiling, R., and Standorf, A., 2006, Variability and regulation of denitrification in an Upper Mississippi River backwater: Journal of the North American Benthological Society, v. 25, no. 3, p. 596-606.","productDescription":"pp. 596-606","startPage":"596","endPage":"606","numberOfPages":"11","costCenters":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"links":[{"id":200056,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"25","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a14e4b07f02db602c53","contributors":{"authors":[{"text":"Strauss, E.A.","contributorId":26010,"corporation":false,"usgs":true,"family":"Strauss","given":"E.A.","email":"","affiliations":[],"preferred":false,"id":313187,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Richardson, W. B.","contributorId":16363,"corporation":false,"usgs":true,"family":"Richardson","given":"W.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":313185,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cavanaugh, J.C.","contributorId":25269,"corporation":false,"usgs":true,"family":"Cavanaugh","given":"J.C.","email":"","affiliations":[],"preferred":false,"id":313186,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Bartsch, L.A.","contributorId":7675,"corporation":false,"usgs":true,"family":"Bartsch","given":"L.A.","email":"","affiliations":[],"preferred":false,"id":313184,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Kreiling, Rebecca M. 0000-0002-9295-4156","orcid":"https://orcid.org/0000-0002-9295-4156","contributorId":33429,"corporation":false,"usgs":true,"family":"Kreiling","given":"Rebecca M.","affiliations":[],"preferred":false,"id":313188,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Standorf, A.J.","contributorId":78847,"corporation":false,"usgs":true,"family":"Standorf","given":"A.J.","email":"","affiliations":[],"preferred":false,"id":313189,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":1001059,"text":"1001059 - 2006 - Forecasting effects of climate change on Great Lakes fisheries: models that link habitat supply to population dynamics can help","interactions":[],"lastModifiedDate":"2016-05-09T09:13:01","indexId":"1001059","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1169,"text":"Canadian Journal of Fisheries and Aquatic Sciences","active":true,"publicationSubtype":{"id":10}},"title":"Forecasting effects of climate change on Great Lakes fisheries: models that link habitat supply to population dynamics can help","docAbstract":"<p><span>Future changes to climate in the Great Lakes may have important consequences for fisheries. Evidence suggests that Great Lakes air and water temperatures have risen and the duration of ice cover has lessened during the past century. Global circulation models (GCMs) suggest future warming and increases in precipitation in the region. We present new evidence that water temperatures have risen in Lake Erie, particularly during summer and winter in the period 1965–2000. GCM forecasts coupled with physical models suggest lower annual runoff, less ice cover, and lower lake levels in the future, but the certainty of these forecasts is low. Assessment of the likely effects of climate change on fish stocks will require an integrative approach that considers several components of habitat rather than water temperature alone. We recommend using mechanistic models that couple habitat conditions to population demographics to explore integrated effects of climate-caused habitat change and illustrate this approach with a model for Lake Erie walleye (</span><i>Sander vitreum</i><span>). We show that the combined effect on walleye populations of plausible changes in temperature, river hydrology, lake levels, and light penetration can be quite different from that which would be expected based on consideration of only a single factor.</span></p>","language":"English","publisher":"NRC Research Press","doi":"10.1139/f05-239","usgsCitation":"Jones, M., Shuter, B.J., Zhao, Y., and Stockwell, J.D., 2006, Forecasting effects of climate change on Great Lakes fisheries: models that link habitat supply to population dynamics can help: Canadian Journal of Fisheries and Aquatic Sciences, v. 63, no. 2, p. 457-468, https://doi.org/10.1139/f05-239.","productDescription":"12 p.","startPage":"457","endPage":"468","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":133279,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"63","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b24e4b07f02db6ae519","contributors":{"authors":[{"text":"Jones, Michael L.","contributorId":7219,"corporation":false,"usgs":false,"family":"Jones","given":"Michael L.","affiliations":[{"id":6590,"text":"Department of Fisheries and Wildlife, Michigan State University","active":true,"usgs":false}],"preferred":false,"id":310364,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Shuter, Brian J.","contributorId":29372,"corporation":false,"usgs":true,"family":"Shuter","given":"Brian","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":310365,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Zhao, Yingming","contributorId":49752,"corporation":false,"usgs":true,"family":"Zhao","given":"Yingming","affiliations":[],"preferred":false,"id":310366,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Stockwell, Jason D. 0000-0003-3393-6799","orcid":"https://orcid.org/0000-0003-3393-6799","contributorId":61004,"corporation":false,"usgs":false,"family":"Stockwell","given":"Jason","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":310367,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":1001079,"text":"1001079 - 2006 - A water-budget approach to restoring a sedge fen affected by diking and ditching","interactions":[],"lastModifiedDate":"2013-01-29T10:24:26","indexId":"1001079","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2342,"text":"Journal of Hydrology","active":true,"publicationSubtype":{"id":10}},"title":"A water-budget approach to restoring a sedge fen affected by diking and ditching","docAbstract":"A vast, ground-water-supported sedge fen in the Upper Peninsula of Michigan, USA was ditched in the early 1900s in a failed attempt to promote agriculture. Dikes were later constructed to impound seasonal sheet surface flows for waterfowl management. The US Fish and Wildlife Service, which now manages the wetland as part of Seney National Wildlife Refuge, sought to redirect water flows from impounded C-3 Pool to reduce erosion in downstream Walsh Ditch, reduce ground-water losses into the ditch, and restore sheet flows of surface water to the peatland. A water budget was developed for C-3 Pool, which serves as the central receiving and distribution body for water in the affected wetland. Surface-water inflows and outflows were measured in associated ditches and natural creeks, ground-water flows were estimated using a network of wells and piezometers, and precipitation and evaporation/evapotranspiration components were estimated using local meteorological data. Water budgets for the 1999 springtime peak flow period and the 1999 water year were used to estimate required releases of water from C-3 Pool via outlets other than Walsh Ditch and to guide other restoration activities. Refuge managers subsequently used these results to guide restoration efforts, including construction of earthen dams in Walsh Ditch upslope from the pool to stop surface flow, installation of new water-control structures to redirect surface water to sheet flow and natural creek channels, planning seasonal releases from C-3 Pool to avoid erosion in natural channels, stopping flow in downslope Walsh Ditch to reduce erosion, and using constructed earthen dams and natural beaver dams to flood the ditch channel below C-3 Pool. Interactions between ground water and surface water are critical for maintaining ecosystem processes in many wetlands, and management actions directed at restoring either ground- or surface-water flow patterns often affect both of these components of the water budget. This approach could thus prove useful in guiding restoration efforts in many hydrologically altered and managed wetlands worldwide.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Hydrology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.jhydrol.2005.07.026","usgsCitation":"Wilcox, D.A., Sweat, M.J., Carlson, M.L., and Kowalski, K., 2006, A water-budget approach to restoring a sedge fen affected by diking and ditching: Journal of Hydrology, v. 320, no. 3-4, p. 501-517, https://doi.org/10.1016/j.jhydrol.2005.07.026.","productDescription":"p. 501-517","startPage":"501","endPage":"517","numberOfPages":"16","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":477565,"rank":1,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"http://hdl.handle.net/20.500.12648/2319","text":"External Repository"},{"id":133703,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":266667,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.jhydrol.2005.07.026"}],"volume":"320","issue":"3-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b16e4b07f02db6a51de","contributors":{"authors":[{"text":"Wilcox, Douglas A.","contributorId":36880,"corporation":false,"usgs":true,"family":"Wilcox","given":"Douglas","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":310417,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sweat, Michael J. mjsweat@usgs.gov","contributorId":356,"corporation":false,"usgs":true,"family":"Sweat","given":"Michael","email":"mjsweat@usgs.gov","middleInitial":"J.","affiliations":[{"id":5050,"text":"WY-MT Water Science Center","active":true,"usgs":true}],"preferred":true,"id":310415,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Carlson, Martha L.","contributorId":50869,"corporation":false,"usgs":true,"family":"Carlson","given":"Martha","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":310418,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Kowalski, Kurt P. 0000-0002-8424-4701 kkowalski@usgs.gov","orcid":"https://orcid.org/0000-0002-8424-4701","contributorId":3768,"corporation":false,"usgs":true,"family":"Kowalski","given":"Kurt P.","email":"kkowalski@usgs.gov","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":310416,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":1015125,"text":"1015125 - 2006 - Transverse and longitudinal variation in woody riparian vegetation along a montane river","interactions":[],"lastModifiedDate":"2017-08-29T21:40:20","indexId":"1015125","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3746,"text":"Western North American Naturalist","onlineIssn":"1944-8341","printIssn":"1527-0904","active":true,"publicationSubtype":{"id":10}},"title":"Transverse and longitudinal variation in woody riparian vegetation along a montane river","docAbstract":"<p>This study explores how the relationship between flow and riparian vegetation varies along a montane river. We mapped occurrence of woody riparian plant communities along 58 km of the San Miguel River in southwestern Colorado. We determined the recurrence interval of inundation for each plant community by combining step-backwater hydraulic modeling at 4 representative reaches with Log-Pearson analysis of 4 stream gaging stations. Finally, we mapped bottomland surficial geology and used a Geographic Information System to overlay the coverages of geology and vegetation. Plant communities were distinctly arrayed along the hydrologic gradient. The <i>Salix exigua</i> Nuttall (sand-bar willow) community occurred mostly on surfaces with a recurrence interval of inundation shorter than 2.2 years; the <i>Betula occidentalis</i> Hooker (river birch) community peaked on sites with recurrence intervals of inundation between 2.2 and 4.6 years. The hydrologic position occupied by communities dominated by <i>Populus angustifolia</i> James (narrowleaf cottonwood) was strongly related to age of trees and species composition of understory shrubs. The fraction of riparian vegetation on surfaces historically inundated by the river decreased in the upstream direction from almost 100% near Uravan to &lt;50% along the South Fork of the San Miguel River. In upstream reaches much of the physical disturbance necessary to maintain riparian vegetation is provided by valley-side processes including debris flows, floods from minor tributaries, landslides, and beaver activity. Where valley-side processes are important, prediction of riparian vegetation change based on alterations of river flow will be incomplete.</p>","language":"English","publisher":"Brigham Young University","doi":"10.3398/1527-0904(2006)66[78:TALVIW]2.0.CO;2","usgsCitation":"Friedman, J.M., Auble, G., Andrews, E., Kittel, G., Madole, R., Griffin, E., and Allred, T.M., 2006, Transverse and longitudinal variation in woody riparian vegetation along a montane river: Western North American Naturalist, v. 66, no. 1, p. 78-91, https://doi.org/10.3398/1527-0904(2006)66[78:TALVIW]2.0.CO;2.","productDescription":"p. 78-91","startPage":"78","endPage":"91","numberOfPages":"14","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":488724,"rank":1,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://scholarsarchive.byu.edu/wnan/vol66/iss1/7","text":"External Repository"},{"id":130095,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"66","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4de4b07f02db626cb1","contributors":{"authors":[{"text":"Friedman, Jonathan M. 0000-0002-1329-0663","orcid":"https://orcid.org/0000-0002-1329-0663","contributorId":44495,"corporation":false,"usgs":true,"family":"Friedman","given":"Jonathan","middleInitial":"M.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":322248,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Auble, G.T.","contributorId":19505,"corporation":false,"usgs":true,"family":"Auble","given":"G.T.","email":"","affiliations":[],"preferred":false,"id":322245,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Andrews, E.D.","contributorId":13922,"corporation":false,"usgs":true,"family":"Andrews","given":"E.D.","email":"","affiliations":[],"preferred":false,"id":322243,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Kittel, G.","contributorId":36082,"corporation":false,"usgs":true,"family":"Kittel","given":"G.","email":"","affiliations":[],"preferred":false,"id":322247,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Madole, R.F. 0000-0002-9081-570X","orcid":"https://orcid.org/0000-0002-9081-570X","contributorId":34086,"corporation":false,"usgs":true,"family":"Madole","given":"R.F.","affiliations":[],"preferred":false,"id":322246,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Griffin, E.R.","contributorId":15143,"corporation":false,"usgs":true,"family":"Griffin","given":"E.R.","email":"","affiliations":[],"preferred":false,"id":322244,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Allred, Tyler M.","contributorId":173170,"corporation":false,"usgs":false,"family":"Allred","given":"Tyler","email":"","middleInitial":"M.","affiliations":[{"id":27172,"text":"Allred Restoration, Inc., Tremonton, UT","active":true,"usgs":false}],"preferred":false,"id":322249,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
]}