{"pageNumber":"2362","pageRowStart":"59025","pageSize":"25","recordCount":184617,"records":[{"id":70032902,"text":"70032902 - 2007 - Effects of sea-level rise on ground water flow in a coastal aquifer system","interactions":[],"lastModifiedDate":"2012-03-12T17:21:36","indexId":"70032902","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1861,"text":"Ground Water","active":true,"publicationSubtype":{"id":10}},"title":"Effects of sea-level rise on ground water flow in a coastal aquifer system","docAbstract":"The effects of sea-level rise on the depth to the fresh water/salt water interface were simulated by using a density-dependent, three-dimensional numerical ground water flow model for a simplified hypothetical fresh water lens that is similar to shallow, coastal aquifers found along the Atlantic coast of the United States. Simulations of sea-level rise of 2.65 mm/year from 1929 to 2050 resulted in an increase in water levels relative to a fixed datum, yet a net decrease in water levels relative to the increased sea-level position. The net decrease in water levels was much greater near a gaining stream than farther from the stream. The difference in the change in water levels is attributed to the dampening effect of the stream on water level changes in response to sea-level rise. In response to the decreased water level altitudes relative to local sea level, the depth to the fresh water/salt water interface decreased. This reduction in the thickness of the fresh water lens varied throughout the aquifer and was greatly affected by proximity to a ground water fed stream and whether the stream was tidally influenced. Away from the stream, the thickness of the fresh water lens decreased by about 2% from 1929 to 2050, whereas the fresh water lens thickness decreased by about 22% to 31% for the same period near the stream, depending on whether the stream was tidally influenced. The difference in the change in the fresh water/salt water interface position is controlled by the difference in the net decline in water levels relative to local sea level. ?? 2007 National Ground Water Association.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ground Water","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1111/j.1745-6584.2006.00279.x","issn":"0017467X","usgsCitation":"Masterson, J., and Garabedian, S., 2007, Effects of sea-level rise on ground water flow in a coastal aquifer system: Ground Water, v. 45, no. 2, p. 209-217, https://doi.org/10.1111/j.1745-6584.2006.00279.x.","startPage":"209","endPage":"217","numberOfPages":"9","costCenters":[],"links":[{"id":213410,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1745-6584.2006.00279.x"},{"id":241034,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"45","issue":"2","noUsgsAuthors":false,"publicationDate":"2007-01-29","publicationStatus":"PW","scienceBaseUri":"505a07c0e4b0c8380cd517f7","contributors":{"authors":[{"text":"Masterson, John P. 0000-0003-3202-4413","orcid":"https://orcid.org/0000-0003-3202-4413","contributorId":102516,"corporation":false,"usgs":true,"family":"Masterson","given":"John P.","affiliations":[{"id":466,"text":"New England Water Science Center","active":true,"usgs":true}],"preferred":false,"id":438446,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Garabedian, S. P.","contributorId":56657,"corporation":false,"usgs":true,"family":"Garabedian","given":"S. P.","affiliations":[],"preferred":false,"id":438445,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70168633,"text":"70168633 - 2007 - Response of western mountain ecosystems to climatic variability and change: The Western Mountain Initiative","interactions":[],"lastModifiedDate":"2018-02-21T17:56:23","indexId":"70168633","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5057,"text":"Mountain Views","active":true,"publicationSubtype":{"id":10}},"title":"Response of western mountain ecosystems to climatic variability and change: The Western Mountain Initiative","docAbstract":"<p>Mountain ecosystems within our national parks and other protected areas provide valuable goods and services such as clean water, biodiversity conservation, and recreational opportunities, but their potential responses to expected climatic changes are inadequately understood. The Western Mountain Initiative (WMI) is a collaboration of scientists whose research focuses on understanding and predicting responses of western mountain ecosystems to climatic variability and change. It is a legacy of the Global Change Research Program initiated by the National Park Service (NPS) in 1991 and continued by the U.S. Geological Survey (USGS) to this day as part of the U.S. Climate Change Science Program (http://www.climatescience.gov/). All WMI scientists are active participants in CIRMOUNT, and seek to further its goals.</p>","language":"English","publisher":"Consortium for Integrated Climate Research in Western Mountains","usgsCitation":"Stephenson, N.L., Peterson, D., Fagre, D.B., Allen, C.D., McKenzie, D., Baron, J., and O’Brian, K., 2007, Response of western mountain ecosystems to climatic variability and change: The Western Mountain Initiative: Mountain Views, v. 1, no. 1, p. 4-9.","productDescription":"6 p.","startPage":"4","endPage":"9","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true},{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"links":[{"id":323950,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":318266,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://www.fs.fed.us/psw/cirmount/publications/pdf/Mtn_Views_jan_07.pdf","linkFileType":{"id":1,"text":"pdf"}}],"volume":"1","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"576913e6e4b07657d19ff257","contributors":{"authors":[{"text":"Stephenson, Nathan L. 0000-0003-0208-7229 nstephenson@usgs.gov","orcid":"https://orcid.org/0000-0003-0208-7229","contributorId":2836,"corporation":false,"usgs":true,"family":"Stephenson","given":"Nathan","email":"nstephenson@usgs.gov","middleInitial":"L.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":621068,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Peterson, Dave","contributorId":167110,"corporation":false,"usgs":false,"family":"Peterson","given":"Dave","email":"","affiliations":[],"preferred":false,"id":621069,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Fagre, Daniel B. 0000-0001-8552-9461 dan_fagre@usgs.gov","orcid":"https://orcid.org/0000-0001-8552-9461","contributorId":2036,"corporation":false,"usgs":true,"family":"Fagre","given":"Daniel","email":"dan_fagre@usgs.gov","middleInitial":"B.","affiliations":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"preferred":true,"id":621070,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Allen, Craig D. 0000-0002-8777-5989 craig_allen@usgs.gov","orcid":"https://orcid.org/0000-0002-8777-5989","contributorId":2597,"corporation":false,"usgs":true,"family":"Allen","given":"Craig","email":"craig_allen@usgs.gov","middleInitial":"D.","affiliations":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true},{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":621071,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"McKenzie, Donald","contributorId":81792,"corporation":false,"usgs":true,"family":"McKenzie","given":"Donald","affiliations":[],"preferred":false,"id":621072,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Baron, Jill 0000-0002-5902-6251 jill_baron@usgs.gov","orcid":"https://orcid.org/0000-0002-5902-6251","contributorId":194124,"corporation":false,"usgs":true,"family":"Baron","given":"Jill","email":"jill_baron@usgs.gov","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":621073,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"O’Brian, Kelly","contributorId":167111,"corporation":false,"usgs":false,"family":"O’Brian","given":"Kelly","email":"","affiliations":[],"preferred":false,"id":621074,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70033344,"text":"70033344 - 2007 - Temporal variability of submarine groundwater discharge: Assessments via radon and seep meters, the southern carmel coast, Israel","interactions":[],"lastModifiedDate":"2012-03-12T17:21:35","indexId":"70033344","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Temporal variability of submarine groundwater discharge: Assessments via radon and seep meters, the southern carmel coast, Israel","docAbstract":"Seep meter data from Dor Bay, Israel, showed a steady decrease in submarine groundwater discharge (SGD) rates between March and July 2006 (averages of 34, 10.4 and 1.5 cm d-1 in March, May and July, respectively), while estimates based on radon time series showed remarkably uniform averages (8 cm d-1). The May seep meter data show a rough positive correlation with sea level, unlike the negative correlation shown by the Rn-calculated rates. Smaller-size meters, deployed in July adjacent to the regular-size ones, showed significantly higher rates (10 cm d-1), which negatively correlated with salinity. It is suggested that the decreased rates documented by the seep meters are the result of an increased shallow seawater recharge in the bay (due to decreasing hydraulic gradients). This is not captured by the radon, since recharging water is radon-poor. The positive correlation of discharge with sea level is due to increased seawater recycling in times of high sea stand. Copyright ?? 2007 IAHS Press.","largerWorkTitle":"IAHS-AISH Publication","conferenceTitle":"International Symposium: A New Focus on Groundwater - Seawater Interactions - 24th General Assembly of the In","conferenceDate":"2 July 2007 through 13 July 2007","conferenceLocation":"Perugia","language":"English","issn":"01447","isbn":"9781901502046","usgsCitation":"Weinstein, Y., Shalem, Y., Burnett, W.C., Swarzenski, P., and Herut, B., 2007, Temporal variability of submarine groundwater discharge: Assessments via radon and seep meters, the southern carmel coast, Israel, <i>in</i> IAHS-AISH Publication, no. 312, Perugia, 2 July 2007 through 13 July 2007, p. 125-133.","startPage":"125","endPage":"133","numberOfPages":"9","costCenters":[],"links":[{"id":240994,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"issue":"312","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505ba524e4b08c986b320836","contributors":{"authors":[{"text":"Weinstein, Y.","contributorId":100186,"corporation":false,"usgs":true,"family":"Weinstein","given":"Y.","email":"","affiliations":[],"preferred":false,"id":440426,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Shalem, Y.","contributorId":84971,"corporation":false,"usgs":true,"family":"Shalem","given":"Y.","affiliations":[],"preferred":false,"id":440425,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Burnett, W. C.","contributorId":39779,"corporation":false,"usgs":false,"family":"Burnett","given":"W.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":440424,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Swarzenski, P.W. 0000-0003-0116-0578","orcid":"https://orcid.org/0000-0003-0116-0578","contributorId":29487,"corporation":false,"usgs":true,"family":"Swarzenski","given":"P.W.","affiliations":[],"preferred":false,"id":440423,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Herut, B.","contributorId":101444,"corporation":false,"usgs":true,"family":"Herut","given":"B.","affiliations":[],"preferred":false,"id":440427,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70033121,"text":"70033121 - 2007 - Home range characteristics of Mexican Spotted Owls in the canyonlands of Utah","interactions":[],"lastModifiedDate":"2017-11-25T13:53:18","indexId":"70033121","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2442,"text":"Journal of Raptor Research","active":true,"publicationSubtype":{"id":10}},"title":"Home range characteristics of Mexican Spotted Owls in the canyonlands of Utah","docAbstract":"We studied home-range characteristics of adult Mexican Spotted Owls (Strix occidentalis lucida) in southern Utah. Twenty-eight adult owls were radio-tracked using a ground-based telemetry system during 1991-95. Five males and eight females molted tail feathers and dropped transmitters within 4 wk. We estimated cumulative home ranges for 15 Spotted Owls (12 males, 3 females). The mean estimate of cumulative home-range size was not statistically different between the minimum convex polygon and adaptive kernel (AK) 95% isopleth. Both estimators yielded relatively high SD, and male and female range sizes varied widely. For 12 owls tracked during both the breeding and nonbreeding seasons, the mean size of the AK 95% nonbreeding home range was 49% larger than the breeding home-range size. The median AK 75% bome-range isopleth (272 ha) we observed was similar in size to Protected Activity Centers (PACs) recommended by a recovery team. Our results lend support to the PAC concept and we support continued use of PACs to conserve Spotted Owl habitat in Utah. ?? 2007 The Raptor Research Foundation, Inc.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Raptor Research","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.3356/0892-1016(2007)41[10:HRCOMS]2.0.CO;2","issn":"08921016","usgsCitation":"Willey, D., and van Riper, C., 2007, Home range characteristics of Mexican Spotted Owls in the canyonlands of Utah: Journal of Raptor Research, v. 41, no. 1, p. 10-15, https://doi.org/10.3356/0892-1016(2007)41[10:HRCOMS]2.0.CO;2.","startPage":"10","endPage":"15","numberOfPages":"6","costCenters":[],"links":[{"id":477164,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.3356/0892-1016(2007)41[10:hrcoms]2.0.co;2","text":"Publisher Index Page"},{"id":240752,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":213155,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.3356/0892-1016(2007)41[10:HRCOMS]2.0.CO;2"}],"volume":"41","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a3206e4b0c8380cd5e464","contributors":{"authors":[{"text":"Willey, D.W.","contributorId":19739,"corporation":false,"usgs":true,"family":"Willey","given":"D.W.","email":"","affiliations":[],"preferred":false,"id":439459,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"van Riper, Charles III 0000-0003-1084-5843 charles_van_riper@usgs.gov","orcid":"https://orcid.org/0000-0003-1084-5843","contributorId":169488,"corporation":false,"usgs":true,"family":"van Riper","given":"Charles","suffix":"III","email":"charles_van_riper@usgs.gov","affiliations":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"preferred":false,"id":439460,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70161144,"text":"70161144 - 2007 - Exploring the temporal effects of seasonal water availability on the snail kite of Florida: Part III","interactions":[],"lastModifiedDate":"2016-06-28T16:14:20","indexId":"70161144","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Exploring the temporal effects of seasonal water availability on the snail kite of Florida: Part III","docAbstract":"<p><span>The Florida snail kite (</span><i class=\"EmphasisTypeItalic \">Rostrhamus sociabilis</i><span>) is an endangered raptor that occurs as an isolated population, currently of about 2,000 birds, in the wetlands of southern and central Florida, USA. Its exclusive prey species, the apple snail (</span><i class=\"EmphasisTypeItalic \">Pomacea paludosa</i><span>) is strongly influenced by seasonal changes in water abundance. Droughts during the snail kite breeding season have a direct negative effect on snail kite survival and reproduction, but droughts are also needed to maintain aquatic vegetation types favorable to snail kite foraging for snails. We used a spatially explicit matrix model to explore the effects of temporal variation in water levels on the viability of the snail kite population under different temporal drought regimes in its wetland breeding habitat. We focused on three aspects of variations in water levels that were likely to affect kites: (1) drought frequency; (2) drought duration; and (3) drought timing within the year. We modeled a 31-year historical scenario using four different scenarios in which the average water level was maintained constant, but the amplitude of water level fluctuations was modified. Our results reveal the complexity of the effects of temporal variation in water levels on snail kite population dynamics. Management implications of these results are discussed. In particular, management decisions should not be based on annual mean water levels alone, but must consider the intra-annual variability.</span></p>","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Temporal dimensions of landscape ecology: Wildlife responses to variable resources","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Springer","doi":"10.1007/978-0-387-45447-4_10","usgsCitation":"Mooij, W.M., Martin, J., Kitchens, W.M., and DeAngelis, D., 2007, Exploring the temporal effects of seasonal water availability on the snail kite of Florida: Part III, chap. <i>of</i> Temporal dimensions of landscape ecology: Wildlife responses to variable resources, p. 155-173, https://doi.org/10.1007/978-0-387-45447-4_10.","productDescription":"19 p.","startPage":"155","endPage":"173","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":566,"text":"Southeast Ecological Science 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kitchensw@usgs.gov","contributorId":2851,"corporation":false,"usgs":true,"family":"Kitchens","given":"Wiley","email":"kitchensw@usgs.gov","middleInitial":"M.","affiliations":[],"preferred":true,"id":584921,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"DeAngelis, Donald L. 0000-0002-1570-4057 don_deangelis@usgs.gov","orcid":"https://orcid.org/0000-0002-1570-4057","contributorId":127811,"corporation":false,"usgs":true,"family":"DeAngelis","given":"Donald L.","email":"don_deangelis@usgs.gov","affiliations":[{"id":566,"text":"Southeast Ecological Science Center","active":true,"usgs":true}],"preferred":false,"id":584922,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70033606,"text":"70033606 - 2007 - Effects of habitat management treatments on plant community composition and biomass in a Montane wetland","interactions":[],"lastModifiedDate":"2020-09-10T18:58:21.304105","indexId":"70033606","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3750,"text":"Wetlands","onlineIssn":"1943-6246","printIssn":"0277-5212","active":true,"publicationSubtype":{"id":10}},"title":"Effects of habitat management treatments on plant community composition and biomass in a Montane wetland","docAbstract":"<p><span>Grazing and burning are commonly applied practices that can impact the diversity and biomass of wetland plant communities. We evaluated the vegetative response of wetlands and adjacent upland grasslands to four treatment regimes (continuous idle, fall prescribed burning followed by idle, annual fall cattle grazing, and rotation of summer grazing and idle) commonly used by the U.S. Fish and Wildlife Service. Our study area was Grays Lake, a large, montane wetland in southeastern Idaho that is bordered by extensive wet meadows. We identified seven plant cover types, representing the transition from dry meadow to deep wetland habitats: mixed deep marsh, spikerush slough, Baltic rush (</span><i>Juncus balticus</i><span>), moist meadow, alkali, mesic meadow, and dry meadow. We compared changes in community composition and total aboveground biomass of each plant cover type between 1998, when all units had been idled for three years, and 1999 (1 yr post-treatment) and 2000 (2 yr post-treatment). Analysis using non-metric multidimensional scaling indicated that compositional changes varied among cover types, treatments, and years following treatment. Treatment-related changes in community composition were greatest in mixed deep marsh, Baltic rush, and mesic meadow. In mixed deep marsh and Baltic rush, grazing and associated trampling contributed to changes in the plant community toward more open water and aquatic species and lower dominance of Baltic rush; grazing and trampling also seemed to contribute to increased cover in mesic meadow. Changing hydrological conditions, from multiple years of high water to increasing drought, was an important factor influencing community composition and may have interacted with management treatments. Biomass differed among treatments and between years within cover types. In the wettest cover types, fall burning and grazing rotation treatments had greater negative impact on biomass than the idle treatment, but in drier cover types, summer grazing stimulated biomass production. Our results illustrate the spatial and temporal complexity of the transition between dry meadow and wetland habitats, and variable interactions among plant communities, treatments, and annual wetland conditions.</span></p>","language":"English","publisher":"Springer","doi":"10.1672/0277-5212(2007)27[570:EOHMTO]2.0.CO;2","usgsCitation":"Austin, J.E., Keough, J.R., and Pyle, W., 2007, Effects of habitat management treatments on plant community composition and biomass in a Montane wetland: Wetlands, v. 27, no. 3, p. 570-587, https://doi.org/10.1672/0277-5212(2007)27[570:EOHMTO]2.0.CO;2.","productDescription":"18 p.","startPage":"570","endPage":"587","costCenters":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":241987,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Idaho","otherGeospatial":"Gray's Lake","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -111.4320945739746,\n              42.995482339084376\n            ],\n            [\n              -111.37870788574219,\n              42.995482339084376\n            ],\n            [\n              -111.37870788574219,\n              43.04593448499866\n            ],\n            [\n              -111.4320945739746,\n              43.04593448499866\n            ],\n            [\n              -111.4320945739746,\n              42.995482339084376\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"27","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a070ae4b0c8380cd51522","contributors":{"authors":[{"text":"Austin, Jane E. 0000-0001-8775-2210 jaustin@usgs.gov","orcid":"https://orcid.org/0000-0001-8775-2210","contributorId":146411,"corporation":false,"usgs":true,"family":"Austin","given":"Jane","email":"jaustin@usgs.gov","middleInitial":"E.","affiliations":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":441643,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Keough, Janet R.","contributorId":49300,"corporation":false,"usgs":true,"family":"Keough","given":"Janet","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":441645,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Pyle, W.H.","contributorId":52518,"corporation":false,"usgs":true,"family":"Pyle","given":"W.H.","email":"","affiliations":[],"preferred":false,"id":441644,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70033124,"text":"70033124 - 2007 - Evaluation and comparison of gross primary production estimates for the Northern Great Plains grasslands","interactions":[],"lastModifiedDate":"2018-02-21T15:40:52","indexId":"70033124","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3254,"text":"Remote Sensing of Environment","printIssn":"0034-4257","active":true,"publicationSubtype":{"id":10}},"title":"Evaluation and comparison of gross primary production estimates for the Northern Great Plains grasslands","docAbstract":"<p id=\"\">Two spatially-explicit estimates of gross primary production (GPP) are available for the Northern Great Plains. An empirical piecewise regression (PWR) GPP model was developed from flux tower measurements to map carbon flux across the region. The Moderate Resolution Imaging Spectrometer (MODIS) GPP model is a process-based model that uses flux tower data to calibrate its parameters. Verification and comparison of the regional PWR GPP and the global MODIS GPP are important for the modeling of grassland carbon flux. This study compared GPP estimates from PWR and MODIS models with five towers in the grasslands. Among them, PWR GPP and MODIS GPP showed a good agreement with tower-based GPP at three towers. The global MODIS GPP, however, did not agree well with tower-based GPP at two other towers, probably because of the insensitivity of MODIS model to regional ecosystem and climate change and extreme soil moisture conditions. Cross-validation indicated that the PWR model is relatively robust for predicting regional grassland GPP. However, the PWR model should include a wide variety of flux tower data as the training data sets to obtain more accurate results.</p><p id=\"\">In addition, GPP maps based on the PWR and MODIS models were compared for the entire region. In the northwest and south, PWR GPP was much higher than MODIS GPP. These areas were characterized by the higher water holding capacity with a lower proportion of C<sub>4</sub> grasses in the northwest and a higher proportion of C<sub>4</sub> grasses in the south. In the central and southeastern regions, PWR GPP was much lower than MODIS GPP under complicated conditions with generally mixed C<sub>3</sub>/C<sub>4</sub> grasses. The analysis indicated that the global MODIS GPP model has some limitations on detecting moisture stress, which may have been caused by the facts that C<sub>3</sub> and C<sub>4</sub> grasses are not distinguished, water stress is driven by vapor pressure deficit (VPD) from coarse meteorological data, and MODIS land cover data are unable to differentiate the sub-pixel cropland components.</p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.rse.2006.08.012","issn":"00344257","usgsCitation":"Zhang, L., Wylie, B.K., Loveland, T.R., Fosnight, E.A., Tieszen, L.L., Ji, L., and Gilmanov, T., 2007, Evaluation and comparison of gross primary production estimates for the Northern Great Plains grasslands: Remote Sensing of Environment, v. 106, no. 2, p. 173-189, https://doi.org/10.1016/j.rse.2006.08.012.","productDescription":"17 p.","startPage":"173","endPage":"189","numberOfPages":"17","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":240817,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":213213,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.rse.2006.08.012"}],"volume":"106","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0c05e4b0c8380cd529d7","contributors":{"authors":[{"text":"Zhang, Li","contributorId":98139,"corporation":false,"usgs":true,"family":"Zhang","given":"Li","affiliations":[],"preferred":false,"id":439467,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wylie, Bruce K. 0000-0002-7374-1083 wylie@usgs.gov","orcid":"https://orcid.org/0000-0002-7374-1083","contributorId":750,"corporation":false,"usgs":true,"family":"Wylie","given":"Bruce","email":"wylie@usgs.gov","middleInitial":"K.","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":439469,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Loveland, Thomas R. 0000-0003-3114-6646 loveland@usgs.gov","orcid":"https://orcid.org/0000-0003-3114-6646","contributorId":140256,"corporation":false,"usgs":true,"family":"Loveland","given":"Thomas","email":"loveland@usgs.gov","middleInitial":"R.","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":false,"id":439471,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Fosnight, Eugene A. 0000-0002-8557-3697 fosnight@usgs.gov","orcid":"https://orcid.org/0000-0002-8557-3697","contributorId":2961,"corporation":false,"usgs":true,"family":"Fosnight","given":"Eugene","email":"fosnight@usgs.gov","middleInitial":"A.","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":true,"id":439468,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Tieszen, Larry L. tieszen@usgs.gov","contributorId":2831,"corporation":false,"usgs":true,"family":"Tieszen","given":"Larry","email":"tieszen@usgs.gov","middleInitial":"L.","affiliations":[],"preferred":true,"id":439466,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Ji, Lei 0000-0002-6133-1036 lji@usgs.gov","orcid":"https://orcid.org/0000-0002-6133-1036","contributorId":2832,"corporation":false,"usgs":true,"family":"Ji","given":"Lei","email":"lji@usgs.gov","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":false,"id":439472,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Gilmanov, Tagir","contributorId":6351,"corporation":false,"usgs":true,"family":"Gilmanov","given":"Tagir","affiliations":[],"preferred":false,"id":439470,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70179369,"text":"70179369 - 2007 - An evaluation of the effects of conservation and fishery enhancement hatcheries on wild populations of salmon","interactions":[],"lastModifiedDate":"2016-12-29T14:07:27","indexId":"70179369","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5248,"text":"Advances in Marine Biology","active":true,"publicationSubtype":{"id":10}},"title":"An evaluation of the effects of conservation and fishery enhancement hatcheries on wild populations of salmon","docAbstract":"<p><span>The historical, political and scientific aspects of salmon hatchery programmes designed to enhance fishery production, or to recover endangered populations, are reviewed. We start by pointing out that the establishment of hatcheries has been a political response to societal demands for harvest and conservation; given this social context, we then critically examined the levels of activity, the biological risks, and the economic analysis associated with salmon hatchery programmes. A rigorous analysis of the impacts of hatchery programmes was hindered by the lack of standardized data on release sizes and survival rates at all ecological scales, and since hatchery programme objectives are rarely defined, it was also difficult to measure their effectiveness at meeting release objectives. Debates on the genetic effects of hatchery programmes on wild fish have been dominated by whether correct management practices can reduce negative outcomes, but we noted that there has been an absence of programmatic research approaches addressing this important issue. Competitive interactions between hatchery and wild fish were observed to be complex, but studies researching approaches to reduce these interactions at all ecological scales during the entire salmon life history have been rare, and thus are not typically considered in hatchery management. Harvesting of salmon released from fishery enhancement hatcheries likely impacts vulnerable wild populations; managers have responded to this problem by mass marking hatchery fish, so that fishing effort can be directed towards hatchery populations. However, we noted that the effectiveness of this approach is dependant on accurate marking and production of hatchery fish with high survival rates, and it is not yet clear whether selective fishing will prevent overharvest of wild populations. Finally, research demonstrating disease transmission from hatchery fish to wild populations was observed to be equivocal; evidence in this area has been constrained by the lack of effective approaches to studying the fate of pathogens in the wild. We then reviewed several approaches to studying the economic consequences of hatchery activities intended to inform the social decisions surrounding programmes, but recognized that placing monetary value on conservation efforts or on hatcheries that mitigate cultural groups’ loss of historical harvest opportunities may complicate these analyses. We noted that economic issues have rarely been included in decision making on hatchery programmes. We end by identifying existing major knowledge gaps, which, if filled, could contribute towards a fuller understanding of the role that hatchery programmes could play in meeting divergent goals. However, we also recognized that many management recommendations arising from such research may involve trade-offs between different risks, and that decisions about these trade-offs must occur within a social context. Hatcheries have played an important role in sustaining some highly endangered populations, and it is possible that reform of practices will lead to an increase in the number of successful programmes. However, a serious appraisal of the role of hatcheries in meeting broader needs is urgently warranted and should take place at the scientific, but more effectively, at the societal level.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/S0065-2881(07)53002-6","usgsCitation":"Naish, K., Taylor, J.E., Levin, P.S., Quinn, T.P., Winton, J.R., Huppert, D., and Hilborn, R., 2007, An evaluation of the effects of conservation and fishery enhancement hatcheries on wild populations of salmon: Advances in Marine Biology, v. 53, p. 61-194, https://doi.org/10.1016/S0065-2881(07)53002-6.","productDescription":"134 p. ","startPage":"61","endPage":"194","costCenters":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"links":[{"id":332647,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"53","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58662f1ce4b0cd2dabe7c4db","contributors":{"authors":[{"text":"Naish, Kerry A.","contributorId":20243,"corporation":false,"usgs":true,"family":"Naish","given":"Kerry A.","affiliations":[],"preferred":false,"id":656944,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Taylor, Joseph E. III","contributorId":177764,"corporation":false,"usgs":false,"family":"Taylor","given":"Joseph","suffix":"III","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":656945,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Levin, Phillip S.","contributorId":177765,"corporation":false,"usgs":false,"family":"Levin","given":"Phillip","email":"","middleInitial":"S.","affiliations":[{"id":17601,"text":"NOAA Fisheries, Northwest Fisheries Science Center, Seattle, WA","active":true,"usgs":false}],"preferred":false,"id":656946,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Quinn, Thomas P.","contributorId":167272,"corporation":false,"usgs":false,"family":"Quinn","given":"Thomas","email":"","middleInitial":"P.","affiliations":[{"id":24671,"text":"School of Aquatic and Fsiery Sciences, UW, Box 355020, Seattle, WA","active":true,"usgs":false}],"preferred":false,"id":656947,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Winton, James R. 0000-0002-3505-5509 jwinton@usgs.gov","orcid":"https://orcid.org/0000-0002-3505-5509","contributorId":1944,"corporation":false,"usgs":true,"family":"Winton","given":"James","email":"jwinton@usgs.gov","middleInitial":"R.","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":false,"id":656948,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Huppert, Daniel","contributorId":177766,"corporation":false,"usgs":false,"family":"Huppert","given":"Daniel","email":"","affiliations":[],"preferred":false,"id":656949,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Hilborn, Ray","contributorId":177767,"corporation":false,"usgs":false,"family":"Hilborn","given":"Ray","email":"","affiliations":[],"preferred":false,"id":656950,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70032925,"text":"70032925 - 2007 - Trace analysis of trimethoprim and sulfonamide, macrolide, quinolone, and tetracycline antibiotics in chlorinated drinking water using liquid chromatography electrospray tandem mass spectrometry","interactions":[],"lastModifiedDate":"2012-03-12T17:21:37","indexId":"70032925","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":761,"text":"Analytical Chemistry","active":true,"publicationSubtype":{"id":10}},"title":"Trace analysis of trimethoprim and sulfonamide, macrolide, quinolone, and tetracycline antibiotics in chlorinated drinking water using liquid chromatography electrospray tandem mass spectrometry","docAbstract":"A multirun analytical method has been developed and validated for trace determination of 24 antibiotics including 7 sulfonamides, 3 macrolides, 7 quinolones, 6 tetracyclines, and trimethoprim in chlorine-disinfected drinking water using a single solid-phase extraction method coupled to liquid chromatography with positive electrospray tandem mass spectrometry detection. The analytes were extracted by a hydrophilic-lipophilic balanced resin and eluted with acidified methanol (0.1% formic acid), resulting in analyte recoveries generally above 90%. The limits of quantitation were mostly below 10 ng/L in drinking water. Since the concentrated sample matrix typically caused ion suppression during electrospray ionization, the method of standard addition was used for quantitation. Chlorine residuals in drinking water can react with some antibiotics, but ascorbic acid was found to be an effective chlorine quenching agent without affecting the analysis and stability of the antibiotics in water. A preliminary occurrence study using this method revealed the presence of some antibiotics in drinking waters, including sulfamethoxazole (3.0-3.4 ng/L), macrolides (1.4-4.9 ng/L), and quinolones (1.2-4.0 ng/L). ?? 2007 American Chemical Society.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Analytical Chemistry","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1021/ac060972a","issn":"00032700","usgsCitation":"Ye, Z., Weinberg, H., and Meyer, M.T., 2007, Trace analysis of trimethoprim and sulfonamide, macrolide, quinolone, and tetracycline antibiotics in chlorinated drinking water using liquid chromatography electrospray tandem mass spectrometry: Analytical Chemistry, v. 79, no. 3, p. 1135-1144, https://doi.org/10.1021/ac060972a.","startPage":"1135","endPage":"1144","numberOfPages":"10","costCenters":[],"links":[{"id":213266,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1021/ac060972a"},{"id":240875,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"79","issue":"3","noUsgsAuthors":false,"publicationDate":"2006-12-22","publicationStatus":"PW","scienceBaseUri":"505bb630e4b08c986b326af0","contributors":{"authors":[{"text":"Ye, Z.","contributorId":46771,"corporation":false,"usgs":true,"family":"Ye","given":"Z.","email":"","affiliations":[],"preferred":false,"id":438543,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Weinberg, H.S.","contributorId":52404,"corporation":false,"usgs":true,"family":"Weinberg","given":"H.S.","email":"","affiliations":[],"preferred":false,"id":438544,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Meyer, M. T.","contributorId":92279,"corporation":false,"usgs":true,"family":"Meyer","given":"M.","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":438545,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70033017,"text":"70033017 - 2007 - Spatial correlation of shear-wave velocity in the San Francisco Bay Area sediments","interactions":[],"lastModifiedDate":"2023-10-06T12:00:28.083895","indexId":"70033017","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3418,"text":"Soil Dynamics and Earthquake Engineering","active":true,"publicationSubtype":{"id":10}},"title":"Spatial correlation of shear-wave velocity in the San Francisco Bay Area sediments","docAbstract":"<div id=\"abstracts\" class=\"Abstracts u-font-serif text-s\"><div id=\"aep-abstract-id14\" class=\"abstract author\"><div id=\"aep-abstract-sec-id15\"><p>Ground motions recorded within sedimentary basins are variable over short distances. One important cause of the variability is that local soil properties are variable at all scales. Regional hazard maps developed for predicting site effects are generally derived from maps of surficial geology; however, recent studies have shown that mapped geologic units do not correlate well with the average shear-wave velocity of the upper 30&nbsp;m,<span>&nbsp;</span><i>V</i><sub>s</sub>(30). We model the horizontal variability of near-surface soil shear-wave velocity in the San Francisco Bay Area to estimate values in unsampled locations in order to account for site effects in a continuous manner. Previous geostatistical studies of soil properties have shown horizontal correlations at the scale of meters to tens of meters while the vertical correlations are on the order of centimeters. In this paper we analyze shear-wave velocity data over regional distances and find that surface shear-wave velocity is correlated at horizontal distances up to 4&nbsp;km based on data from seismic cone penetration tests and the spectral analysis of surface waves. We propose a method to map site effects by using geostatistical methods based on the shear-wave velocity correlation structure within a sedimentary basin. If used in conjunction with densely spaced shear-wave velocity profiles in regions of high seismic risk, geostatistical methods can produce reliable continuous maps of site effects.</p></div></div></div><ul id=\"issue-navigation\" class=\"issue-navigation u-margin-s-bottom u-bg-grey1\"></ul>","language":"English","publisher":"Elsevier","doi":"10.1016/j.soildyn.2006.05.004","issn":"02677261","usgsCitation":"Thompson, E., Baise, L., and Kayen, R.E., 2007, Spatial correlation of shear-wave velocity in the San Francisco Bay Area sediments: Soil Dynamics and Earthquake Engineering, v. 27, no. 2, p. 144-152, https://doi.org/10.1016/j.soildyn.2006.05.004.","productDescription":"9 p.","startPage":"144","endPage":"152","numberOfPages":"9","costCenters":[],"links":[{"id":477160,"rank":2,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://escholarship.org/uc/item/25h1p1mj","text":"External Repository"},{"id":240776,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"San Francisco Bay Area","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -123.1020910832355,\n              38.44037571997805\n            ],\n            [\n              -123.1020910832355,\n              37.234390374321876\n            ],\n            [\n              -121.32230592698542,\n              37.234390374321876\n            ],\n            [\n              -121.32230592698542,\n              38.44037571997805\n            ],\n            [\n              -123.1020910832355,\n              38.44037571997805\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"27","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b9460e4b08c986b31aa3f","contributors":{"authors":[{"text":"Thompson, E.M.","contributorId":104688,"corporation":false,"usgs":true,"family":"Thompson","given":"E.M.","affiliations":[],"preferred":false,"id":438993,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Baise, L.G.","contributorId":6239,"corporation":false,"usgs":true,"family":"Baise","given":"L.G.","affiliations":[],"preferred":false,"id":438991,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kayen, R. E.","contributorId":14424,"corporation":false,"usgs":true,"family":"Kayen","given":"R.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":438992,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70035632,"text":"70035632 - 2007 - Upper triassic continental margin strata of the central alaska range: Implications for paleogeographic reconstruction","interactions":[],"lastModifiedDate":"2023-10-16T12:18:42.313193","indexId":"70035632","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3459,"text":"Special Paper of the Geological Society of America","active":true,"publicationSubtype":{"id":10}},"title":"Upper triassic continental margin strata of the central alaska range: Implications for paleogeographic reconstruction","docAbstract":"<p id=\"p-1\">Remnants of a Late Triassic continental margin and ocean basin are scattered across central and southern Alaska. Little is known about the fundamental nature of the margin because most remnants have not been studied in detail and a protracted period of terrane accretion and margin-parallel translation has disrupted original stratigraphic and structural relationships.</p>\n<p id=\"p-2\">Three new conodont collections were recovered from a sequence of Upper Triassic calcareous sedimentary rocks in the central Alaska Range. One of the three localities is north of the Denali fault system in an area previously thought to be underlain by an uninterrupted sequence of metamorphic rocks of the parautochthonous Yukon-Tanana terrane. Structural relations in the immediate vicinity of this conodont locality indicate that mid-Cretaceous(?) thrust faulting imbricated Paleozoic metaigneous rocks with the Triassic sedimentary rocks. This may reflect a closer pre-Cretaceous relationship between the Yukon-Tanana terrane and Late Triassic shelf and slope deposits than previously appreciated.</p>\n<p id=\"p-3\">Reexamination of existing conodont collections from the central Alaska Range indicates that Upper Triassic marine slope and basin rocks range in age from at least as old as the late Carnian to the early middle Norian. The conodont assemblages typical of these rocks are generally cosmopolitan and do not define a distinct paleogeographic faunal realm. One collection, however, contains<i>Epigondolella multidentata</i>&nbsp;sensu&nbsp;<a id=\"xref-ref-49-1\" class=\"xref-\" href=\"http://specialpapers.gsapubs.org/content/431/191#ref-49\">Orchard 1991c</a>, which appears to be restricted to western North American autochthonous rocks. Although paleogeographic relations cannot be determined with specificity, the present distribution of biofaces within the Upper Triassic sequence could not have been the result of simple accordion-style collapse of the Late Triassic margin.</p>","language":"English","publisher":"Geological Society of America","doi":"10.1130/2007.2431(08)","issn":"00721077","usgsCitation":"Till, A., Harris, A., Wardlaw, B.R., and Mullen, M., 2007, Upper triassic continental margin strata of the central alaska range: Implications for paleogeographic reconstruction: Special Paper of the Geological Society of America, v. 431, p. 191-205, https://doi.org/10.1130/2007.2431(08).","productDescription":"15 p.","startPage":"191","endPage":"205","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"links":[{"id":244070,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"431","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bbd5fe4b08c986b328fbb","contributors":{"authors":[{"text":"Till, A.B.","contributorId":37755,"corporation":false,"usgs":true,"family":"Till","given":"A.B.","email":"","affiliations":[],"preferred":false,"id":451563,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Harris, A. G.","contributorId":39791,"corporation":false,"usgs":true,"family":"Harris","given":"A. G.","affiliations":[],"preferred":false,"id":451564,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wardlaw, B. R.","contributorId":9269,"corporation":false,"usgs":true,"family":"Wardlaw","given":"B.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":451562,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Mullen, M.","contributorId":101486,"corporation":false,"usgs":true,"family":"Mullen","given":"M.","affiliations":[],"preferred":false,"id":451565,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":80161,"text":"ofr20071016 - 2007 - Oregon Spotted Frog (Rana pretiosa) movement and demography at Dilman Meadow: Implications for future monitoring","interactions":[{"subject":{"id":80161,"text":"ofr20071016 - 2007 - Oregon Spotted Frog (Rana pretiosa) movement and demography at Dilman Meadow: Implications for future monitoring","indexId":"ofr20071016","publicationYear":"2007","noYear":false,"title":"Oregon Spotted Frog (Rana pretiosa) movement and demography at Dilman Meadow: Implications for future monitoring"},"predicate":"SUPERSEDED_BY","object":{"id":70032854,"text":"70032854 - 2008 - Demography and movement in a relocated population of Oregon Spotted Frogs (Rana pretiosa): Influence of season and gender","indexId":"70032854","publicationYear":"2008","noYear":false,"title":"Demography and movement in a relocated population of Oregon Spotted Frogs (Rana pretiosa): Influence of season and gender"},"id":1}],"supersededBy":{"id":70032854,"text":"70032854 - 2008 - Demography and movement in a relocated population of Oregon Spotted Frogs (Rana pretiosa): Influence of season and gender","indexId":"70032854","publicationYear":"2008","noYear":false,"title":"Demography and movement in a relocated population of Oregon Spotted Frogs (Rana pretiosa): Influence of season and gender"},"lastModifiedDate":"2017-03-30T16:35:43","indexId":"ofr20071016","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","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":"2007-1016","title":"Oregon Spotted Frog (Rana pretiosa) movement and demography at Dilman Meadow: Implications for future monitoring","docAbstract":"<p><span>From 2001 to 2005, we studied the demography and seasonal movement of Oregon spotted frogs (Rana pretiosa) translocated into created ponds in Dilman Meadow in central Oregon. Our objectives were to inform future monitoring and management at the site, and to elucidate poorly known aspects of the species’ population ecology. Movement rates revealed complementary use of sites seasonally, with one small spring being preferred during winter that was rarely used during the rest of the year. Growth rates were significantly higher in ponds that were not used for breeding, and larger size resulted in significantly higher survival. When variation in survival by size was accounted for there was little variation among ponds in survival. Seasonal estimates of survival were lowest for males during the breeding/post-breeding redistribution period, suggesting a high cost of breeding for males. Overwintering survival for both genders was relatively high. Our study supports others in suggesting Oregon spotted frogs are specific in their overwintering habitat requirements, and that predator-free springs may be of particular value. We suggest that any future monitoring include measures of the rate of pond succession. Demographic monitoring should include metrics of both frog reproduction and survival: counts of egg masses at all ponds during spring, and capture-recapture study of survival in mid and late summer when capture rates are highest. Additional study of early life stages would be particularly useful to broaden our understanding of the species’ ecology. Specifically, adding intensive capture and marking effort after larval transformation in fall would enable a full understanding of the annual life cycle. Complete study of the annual life cycle is needed to isolate the life stages and mechanisms through which Oregon spotted frogs are affected by stressors such as nonnative predators. Dilman Meadow, which lacks many hypothesized stressors, is an important reference for isolating the life stages most responsive to management elsewhere in the species’ range.</span></p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20071016","collaboration":"Prepared in cooperation with the Sunriver Nature Center","usgsCitation":"Chelgren, N.D., Pearl, C., Bowerman, J., and Adams, M.J., 2007, Oregon Spotted Frog (Rana pretiosa) movement and demography at Dilman Meadow: Implications for future monitoring: U.S. Geological Survey Open-File Report 2007-1016, 27 p., https://doi.org/10.3133/ofr20071016.","productDescription":"27 p.","numberOfPages":"27","onlineOnly":"Y","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"links":[{"id":10024,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2007/1016/","linkFileType":{"id":5,"text":"html"}},{"id":9972,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2007/1016/pdf/ofr20071016.pdf","text":"Report","size":"1.2 KB","linkFileType":{"id":1,"text":"pdf"},"description":"OFR 2007-1016"},{"id":194829,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2007/1016/coverthb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aeee4b07f02db691246","contributors":{"authors":[{"text":"Chelgren, Nathan D.","contributorId":49062,"corporation":false,"usgs":true,"family":"Chelgren","given":"Nathan","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":291881,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Pearl, Christopher A. 0000-0003-2943-7321","orcid":"https://orcid.org/0000-0003-2943-7321","contributorId":84316,"corporation":false,"usgs":true,"family":"Pearl","given":"Christopher A.","affiliations":[{"id":289,"text":"Forest and Rangeland Ecosys Science Center","active":true,"usgs":true}],"preferred":false,"id":291883,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bowerman, Jay","contributorId":57024,"corporation":false,"usgs":false,"family":"Bowerman","given":"Jay","email":"","affiliations":[],"preferred":false,"id":291882,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Adams, M. J. 0000-0001-8844-042X mjadams@usgs.gov","orcid":"https://orcid.org/0000-0001-8844-042X","contributorId":3133,"corporation":false,"usgs":false,"family":"Adams","given":"M.","email":"mjadams@usgs.gov","middleInitial":"J.","affiliations":[{"id":289,"text":"Forest and Rangeland Ecosys Science Center","active":true,"usgs":true},{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true},{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"preferred":true,"id":291880,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70033183,"text":"70033183 - 2007 - Multiobjective analysis of a public wellfield using artificial neural networks","interactions":[],"lastModifiedDate":"2012-03-12T17:21:23","indexId":"70033183","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1861,"text":"Ground Water","active":true,"publicationSubtype":{"id":10}},"title":"Multiobjective analysis of a public wellfield using artificial neural networks","docAbstract":"As competition for increasingly scarce ground water resources grows, many decision makers may come to rely upon rigorous multiobjective techniques to help identify appropriate and defensible policies, particularly when disparate stakeholder groups are involved. In this study, decision analysis was conducted on a public water supply wellfield to balance water supply needs with well vulnerability to contamination from a nearby ground water contaminant plume. With few alternative water sources, decision makers must balance the conflicting objectives of maximizing water supply volume from noncontaminated wells while minimizing their vulnerability to contamination from the plume. Artificial neural networks (ANNs) were developed with simulation data from a numerical ground water flow model developed for the study area. The ANN-derived state transition equations were embedded into a multiobjective optimization model, from which the Pareto frontier or trade-off curve between water supply and wellfield vulnerability was identified. Relative preference values and power factors were assigned to the three stakeholders, namely the company whose waste contaminated the aquifer, the community supplied by the wells, and the water utility company that owns and operates the wells. A compromise pumping policy that effectively balances the two conflicting objectives in accordance with the preferences of the three stakeholder groups was then identified using various distance-based methods. ?? 2006 National Ground Water Association.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ground Water","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1111/j.1745-6584.2006.00248.x","issn":"0017467X","usgsCitation":"Coppola, E., Szidarovszky, F., Davis, D., Spayd, S., Poulton, M., and Roman, E., 2007, Multiobjective analysis of a public wellfield using artificial neural networks: Ground Water, v. 45, no. 1, p. 53-61, https://doi.org/10.1111/j.1745-6584.2006.00248.x.","startPage":"53","endPage":"61","numberOfPages":"9","costCenters":[],"links":[{"id":213591,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1745-6584.2006.00248.x"},{"id":241229,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"45","issue":"1","noUsgsAuthors":false,"publicationDate":"2006-07-28","publicationStatus":"PW","scienceBaseUri":"505a6034e4b0c8380cd71379","contributors":{"authors":[{"text":"Coppola, E.A. Jr.","contributorId":51992,"corporation":false,"usgs":true,"family":"Coppola","given":"E.A.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":439723,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Szidarovszky, F.","contributorId":30457,"corporation":false,"usgs":true,"family":"Szidarovszky","given":"F.","email":"","affiliations":[],"preferred":false,"id":439721,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Davis, D.","contributorId":85747,"corporation":false,"usgs":true,"family":"Davis","given":"D.","affiliations":[],"preferred":false,"id":439726,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Spayd, S.","contributorId":77747,"corporation":false,"usgs":true,"family":"Spayd","given":"S.","email":"","affiliations":[],"preferred":false,"id":439725,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Poulton, M.M.","contributorId":42436,"corporation":false,"usgs":true,"family":"Poulton","given":"M.M.","email":"","affiliations":[],"preferred":false,"id":439722,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Roman, E.","contributorId":59250,"corporation":false,"usgs":true,"family":"Roman","given":"E.","email":"","affiliations":[],"preferred":false,"id":439724,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70034279,"text":"70034279 - 2007 - Field evaluation of shallow-water acoustic doppler current profiler discharge measurements","interactions":[],"lastModifiedDate":"2012-03-12T17:21:46","indexId":"70034279","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Field evaluation of shallow-water acoustic doppler current profiler discharge measurements","docAbstract":"In 2004, the U.S. Geological Survey (USGS) Office of Surface Water staff and USGS Water Science employees began testing the StreamPro, an acoustic Doppler current profiler (ADCP) for shallow-water discharge measurements. Teledyne RD Instruments introduced the StreamPro in December of 2003. The StreamPro is designed to make a \"moving boat\" discharge measurement in streams with depths between 0.15 and 2 m. If the StreamPro works reliably in these conditions, it will allow for use of ADCPs in a greater number of streams than previously possible. Evaluation sites were chosen to test the StreamPro over a range of conditions. Simultaneous discharge measurements with mechanical and other acoustic meters, along with stable rating curves at established USGS streamflow-gaging stations, were used for comparisons. The StreamPro measurements ranged in mean velocity from 0.076 to 1.04 m/s and in discharge from 0.083 m  3/s to 43.4 m  3/s. Tests indicate that discharges measured with the StreamPro compare favorably to the discharges measured with the other meters when the mean channel velocity is greater than 0.25 m/s. When the mean channel velocity is less than 0.25 m/s, the StreamPro discharge measurements for individual transects have greater variability than those StreamPro measurements where the mean channel velocity is greater than 0.25 m/s. Despite this greater variation in individual transects, there is no indication that the StreamPro measured discharges (the mean discharge for all transects) are biased, provided that enough transects are used to determine the mean discharge. ?? 2007 ASCE.","largerWorkTitle":"Examining the Confluence of Environmental and Water Concerns - Proceedings of the World Environmental and Water Resources Congress 2006","conferenceTitle":"World Environmental and Water Resources Congress 2006: Examining the Confluence of Environmental and Water Concerns","conferenceDate":"21 May 2006 through 25 May 2006","conferenceLocation":"Omaha, NE","language":"English","doi":"10.1061/40856(200)162","isbn":"0784408564; 9780784408568","usgsCitation":"Rehmel, M., 2007, Field evaluation of shallow-water acoustic doppler current profiler discharge measurements, <i>in</i> Examining the Confluence of Environmental and Water Concerns - Proceedings of the World Environmental and Water Resources Congress 2006, Omaha, NE, 21 May 2006 through 25 May 2006, https://doi.org/10.1061/40856(200)162.","costCenters":[],"links":[{"id":216611,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1061/40856(200)162"},{"id":244492,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationDate":"2012-04-26","publicationStatus":"PW","scienceBaseUri":"505a0fb5e4b0c8380cd539b5","contributors":{"authors":[{"text":"Rehmel, M.S.","contributorId":43148,"corporation":false,"usgs":true,"family":"Rehmel","given":"M.S.","email":"","affiliations":[],"preferred":false,"id":445054,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70033191,"text":"70033191 - 2007 - Associations of decadal to multidecadal sea-surface temperature variability with Upper Colorado River flow","interactions":[],"lastModifiedDate":"2012-03-12T17:21:34","indexId":"70033191","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2529,"text":"Journal of the American Water Resources Association","active":true,"publicationSubtype":{"id":10}},"title":"Associations of decadal to multidecadal sea-surface temperature variability with Upper Colorado River flow","docAbstract":"The relations of decadal to multidecadal (D2M) variability in global sea-surface temperatures (SSTs) with D2M variability in the flow of the Upper Colorado River Basin (UCRB) are examined for the years 1906-2003. Results indicate that D2M variability of SSTs in the North Atlantic, North Pacific, tropical Pacific, and Indian Oceans is associated with D2M variability of the UCRB. A principal components analysis (with varimax rotation) of detrended and 11-year smoothed global SSTs indicates that the two leading rotated principal components (RPCs) explain 56% of the variability in the transformed SST data. The first RPC (RPC1) strongly reflects variability associated with the Atlantic Multidecadal Oscillation and the second RPC (RPC2) represents variability of the Pacific Decadal Oscillation, the tropical Pacific Ocean, and Indian Ocean SSTs. Results indicate that SSTs in the North Atlantic Ocean (RPC1) explain as much of the D2M variability in global SSTs as does the combination of Indian and Pacific Ocean variability (RPC2). These results suggest that SSTs in all of the oceans have some relation with flow of the UCRB, but the North Atlantic may have the strongest and most consistent association on D2M time scales. Hydroclimatic persistence on these time scales introduces significant nonstationarity in mean annual streamflow, with critical implications for UCRB water resource management. ?? 2007 American Water Resources Association.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of the American Water Resources Association","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1111/j.1752-1688.2007.00015.x","issn":"1093474X","usgsCitation":"McCabe, G., Betancourt, J., and Hidalgo, H., 2007, Associations of decadal to multidecadal sea-surface temperature variability with Upper Colorado River flow: Journal of the American Water Resources Association, v. 43, no. 1, p. 183-192, https://doi.org/10.1111/j.1752-1688.2007.00015.x.","startPage":"183","endPage":"192","numberOfPages":"10","costCenters":[],"links":[{"id":213216,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1752-1688.2007.00015.x"},{"id":240820,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"43","issue":"1","noUsgsAuthors":false,"publicationDate":"2007-02-12","publicationStatus":"PW","scienceBaseUri":"5059ee95e4b0c8380cd49e3e","contributors":{"authors":[{"text":"McCabe, G.J. 0000-0002-9258-2997","orcid":"https://orcid.org/0000-0002-9258-2997","contributorId":12961,"corporation":false,"usgs":true,"family":"McCabe","given":"G.J.","affiliations":[],"preferred":false,"id":439761,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Betancourt, J.L. 0000-0002-7165-0743","orcid":"https://orcid.org/0000-0002-7165-0743","contributorId":87505,"corporation":false,"usgs":true,"family":"Betancourt","given":"J.L.","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":439763,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hidalgo, H.G.","contributorId":81229,"corporation":false,"usgs":true,"family":"Hidalgo","given":"H.G.","email":"","affiliations":[],"preferred":false,"id":439762,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70033247,"text":"70033247 - 2007 - Avifaunal responses to fire in southwestern montane forests along a burn severity gradient","interactions":[],"lastModifiedDate":"2012-03-12T17:21:38","indexId":"70033247","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1450,"text":"Ecological Applications","active":true,"publicationSubtype":{"id":10}},"title":"Avifaunal responses to fire in southwestern montane forests along a burn severity gradient","docAbstract":"The effects of burn severity on avian communities are poorly understood, yet this information is crucial to fire management programs. To quantify avian response patterns along a burn severity gradient, we sampled 49 random plots (2001-2002) at the 17 351-ha Cerro Grande Fire (2000) in New Mexico, USA. Additionally, pre-fire avian surveys (1986-1988, 1990) created a unique opportunity to quantify avifaunal changes in 13 pre-fire transects (resampled in 2002) and to compare two designs for analyzing the effects of unplanned disturbances: after-only analysis and before-after comparisons. Distance analysis was used to calculate densities. We analyzed after-only densities for 21 species using gradient analysis, which detected a broad range of responses to increasing burn severity: (I) large significant declines, (II) weak, but significant declines, (III) no significant density changes, (IV) peak densities in low- or moderate-severity patches, (V) weak, but significant increases, and (VI) large significant increases. Overall, 71% of the species included in the after-only gradient analysis exhibited either positive or neutral density responses to fire effects across all or portions of the severity gradient (responses III-VI). We used pre/post pairs analysis to quantify density changes for 15 species using before-after comparisons; spatiotemporal variation in densities was large and confounded fire effects for most species. Only four species demonstrated significant effects of burn severity, and their densities were all higher in burned compared to unburned forests. Pre- and post-fire community similarity was high except in high-severity areas. Species richness was similar pre- and post-fire across all burn severities. Thus, ecosystem restoration programs based on the assumption that recent severe fires in Southwestern ponderosa pine forests have overriding negative ecological effects are not supported by our study of post-fire avian communities. This study illustrates the importance of quantifying burn severity and controlling confounding sources of spatiotemporal variation in studies of fire effects. After-only gradient analysis can be an efficient tool for quantifying fire effects. This analysis can also augment historical data sets that have small samples sizes coupled with high non-process variation, which limits the power of before-after comparisons. ?? 2007 by the Ecological Society of America.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ecological Applications","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1890/06-0253","issn":"10510761","usgsCitation":"Kotliar, N., Kennedy, P., and Ferree, K., 2007, Avifaunal responses to fire in southwestern montane forests along a burn severity gradient: Ecological Applications, v. 17, no. 2, p. 491-507, https://doi.org/10.1890/06-0253.","startPage":"491","endPage":"507","numberOfPages":"17","costCenters":[],"links":[{"id":213536,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1890/06-0253"},{"id":241166,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"17","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059ef76e4b0c8380cd4a25f","contributors":{"authors":[{"text":"Kotliar, N.B.","contributorId":7649,"corporation":false,"usgs":true,"family":"Kotliar","given":"N.B.","email":"","affiliations":[],"preferred":false,"id":440002,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kennedy, P.L.","contributorId":78680,"corporation":false,"usgs":true,"family":"Kennedy","given":"P.L.","email":"","affiliations":[],"preferred":false,"id":440004,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ferree, K.","contributorId":54529,"corporation":false,"usgs":true,"family":"Ferree","given":"K.","email":"","affiliations":[],"preferred":false,"id":440003,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70033644,"text":"70033644 - 2007 - Effect of an offshore sinkhole perforation in a coastal confined aquifer on submarine groundwater discharge","interactions":[],"lastModifiedDate":"2012-03-12T17:21:33","indexId":"70033644","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Effect of an offshore sinkhole perforation in a coastal confined aquifer on submarine groundwater discharge","docAbstract":"In order to explore submarine groundwater discharge in the vicinity of karst features that penetrate the confining layer of an offshore, partially confined aquifer, we constructed a three-dimensional groundwater model using the SUTRA (Saturated-Unsaturated TRAnsport) variable-density groundwater flow model. We ran a parameter sensitivity analysis, testing the effects of recharge rates, permeabilities of the aquifer and confining layer, and thickness of the confining layer. In all simulations, less than 20% of the freshwater recharge for the entire model exits through the sinkhole. Recirculated seawater usually accounts for 10-30% of the total outflow from the model. Often, the sinkhole lies seaward of the transition zone and acts as a recharge feature for recirculating seawater. The permeability ratio between aquifer and confining layer influences the configuration of the freshwater wedge the most; as confining layer permeability decreases, the wedge lengthens and the fraction of total discharge exiting through the sinkhole increases. Copyright ?? 2007 IAHS Press.","largerWorkTitle":"IAHS-AISH Publication","conferenceTitle":"International Symposium: A New Focus on Groundwater - Seawater Interactions - 24th General Assembly of the In","conferenceDate":"2 July 2007 through 13 July 2007","conferenceLocation":"Perugia","language":"English","issn":"01447","isbn":"9781901502046","usgsCitation":"Fratesi, S., Leonard, V., and Sanford, W., 2007, Effect of an offshore sinkhole perforation in a coastal confined aquifer on submarine groundwater discharge, <i>in</i> IAHS-AISH Publication, no. 312, Perugia, 2 July 2007 through 13 July 2007, p. 256-263.","startPage":"256","endPage":"263","numberOfPages":"8","costCenters":[],"links":[{"id":242160,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"issue":"312","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a05bee4b0c8380cd50f24","contributors":{"authors":[{"text":"Fratesi, S.E.","contributorId":74971,"corporation":false,"usgs":true,"family":"Fratesi","given":"S.E.","email":"","affiliations":[],"preferred":false,"id":441814,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Leonard, V.","contributorId":32741,"corporation":false,"usgs":true,"family":"Leonard","given":"V.","email":"","affiliations":[],"preferred":false,"id":441813,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Sanford, W. E. 0000-0002-6624-0280","orcid":"https://orcid.org/0000-0002-6624-0280","contributorId":102112,"corporation":false,"usgs":true,"family":"Sanford","given":"W. E.","affiliations":[],"preferred":false,"id":441815,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70034629,"text":"70034629 - 2007 - Evaluating the accotink creek restoration project for improving water quality, in-stream habitat, and bank stability","interactions":[],"lastModifiedDate":"2012-03-12T17:21:41","indexId":"70034629","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Evaluating the accotink creek restoration project for improving water quality, in-stream habitat, and bank stability","docAbstract":"Increased urbanization results in a larger percentage of connected impervious areas and can contribute large quantities of stormwater runoff and significant quantities of debris and pollutants (e.g., litter, oils, microorganisms, sediments, nutrients, organic matter, and heavy metals) to receiving waters. To improve water quality in urban and suburban areas, watershed managers often incorporate best management practices (BMPs) to reduce the quantity of runoff as well as to minimize pollutants and other stressors contained in stormwater runoff. It is well known that land-use practices directly impact urban streams. Stream flows in urbanized watersheds increase in magnitude as a function of impervious area and can result in degradation of the natural stream channel morphology affecting the physical, chemical, and biological integrity of the stream. Stream bank erosion, which also increases with increased stream flows, can lead to bank instability, property loss, infrastructure damage, and increased sediment loading to the stream. Increased sediment loads may lead to water quality degradation downstream and have negative impacts on fish, benthic invertebrates, and other aquatic life. Accotink Creek is in the greater Chesapeake Bay and Potomac watersheds, which have strict sediment criteria. The USEPA (United States Environmental Protection Agency) and USGS (United States Geological Survey) are investigating the effectiveness of stream restoration techniques as a BMP to decrease sediment load and improve bank stability, biological integrity, and in-stream water quality in an impaired urban watershed in Fairfax, Virginia. This multi-year project continuously monitors turbidity, specific conductance, pH, and water temperature, as well as biological and chemical water quality parameters. In addition, physical parameters (e.g., pebble counts, longitudinal and cross sectional stream surveys) were measured to assess geomorphic changes associated with the restoration. Data from the pre-construction and initial post-construction phases are presented in this report. ?? 2007 ASCE.","largerWorkTitle":"Examining the Confluence of Environmental and Water Concerns - Proceedings of the World Environmental and Water Resources Congress 2006","conferenceTitle":"World Environmental and Water Resources Congress 2006: Examining the Confluence of Environmental and Water Concerns","conferenceDate":"21 May 2006 through 25 May 2006","conferenceLocation":"Omaha, NE","language":"English","doi":"10.1061/40856(200)402","isbn":"0784408564; 9780784408568","usgsCitation":"Struck, S., Selvakumar, A., Hyer, K., and O’Connor, T., 2007, Evaluating the accotink creek restoration project for improving water quality, in-stream habitat, and bank stability, <i>in</i> Examining the Confluence of Environmental and Water Concerns - Proceedings of the World Environmental and Water Resources Congress 2006, Omaha, NE, 21 May 2006 through 25 May 2006, https://doi.org/10.1061/40856(200)402.","costCenters":[],"links":[{"id":215659,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1061/40856(200)402"},{"id":243478,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationDate":"2012-04-26","publicationStatus":"PW","scienceBaseUri":"505a0bf6e4b0c8380cd5297d","contributors":{"authors":[{"text":"Struck, S.D.","contributorId":71786,"corporation":false,"usgs":true,"family":"Struck","given":"S.D.","email":"","affiliations":[],"preferred":false,"id":446758,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Selvakumar, A.","contributorId":84999,"corporation":false,"usgs":true,"family":"Selvakumar","given":"A.","email":"","affiliations":[],"preferred":false,"id":446759,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hyer, K.","contributorId":71023,"corporation":false,"usgs":true,"family":"Hyer","given":"K.","affiliations":[],"preferred":false,"id":446757,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"O’Connor, T.","contributorId":10630,"corporation":false,"usgs":true,"family":"O’Connor","given":"T.","email":"","affiliations":[],"preferred":false,"id":446756,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70033192,"text":"70033192 - 2007 - Evidence of experimental postcyclic transmission of Bothriocephalus acheilognathi in bonytail chub (Gila elegans)","interactions":[],"lastModifiedDate":"2018-01-23T15:55:42","indexId":"70033192","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2414,"text":"Journal of Parasitology","active":true,"publicationSubtype":{"id":10}},"title":"Evidence of experimental postcyclic transmission of Bothriocephalus acheilognathi in bonytail chub (Gila elegans)","docAbstract":"<p><span>We examined the role that predation of infected conspecific fish and postcyclic transmission might play in the life cycle of the Asian fish tapeworm,&nbsp;</span><i>Bothriocephalus acheilognathi</i><span><span>&nbsp;</span>(Cestoda: Pseudophyllidea) Yamaguti, 1934. Young-of-the-year (YOY) bonytail chub (</span><i>Gila elegans</i><span>) were exposed to copepods infected with<span>&nbsp;</span></span><i>B. acheilognathi</i><span><span>&nbsp;</span>and subsequently fed to subadult bonytail chub. Within 1 wk after consumption of the YOY chub, subadults were necropsied and found infected with gravid and nongravid tapeworms. This study provides evidence that postcyclic transfer of<span>&nbsp;</span></span><i>B. acheilognathi</i><span><span>&nbsp;</span>can occur. Postcyclic transmission may be an important life history trait of<span>&nbsp;</span></span><i>B. acheilognathi</i><span><span>&nbsp;</span>that merits consideration when studying the impact and distribution of this invasive and potentially pathogenic tapeworm.</span></p>","language":"English","publisher":"American Society of Parasitologists","doi":"10.1645/GE-686R.1","issn":"00223395","usgsCitation":"Hansen, S.P., Choudhury, A., and Cole, R.A., 2007, Evidence of experimental postcyclic transmission of Bothriocephalus acheilognathi in bonytail chub (Gila elegans): Journal of Parasitology, v. 93, no. 1, p. 202-204, https://doi.org/10.1645/GE-686R.1.","productDescription":"3 p.","startPage":"202","endPage":"204","numberOfPages":"3","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":456,"text":"National Wildlife Health 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,{"id":70033634,"text":"70033634 - 2007 - The importance of subsurface geology for water source and vegetation communities in Cherokee Marsh, Wisconsin","interactions":[],"lastModifiedDate":"2020-09-10T19:08:23.416541","indexId":"70033634","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3750,"text":"Wetlands","onlineIssn":"1943-6246","printIssn":"0277-5212","active":true,"publicationSubtype":{"id":10}},"title":"The importance of subsurface geology for water source and vegetation communities in Cherokee Marsh, Wisconsin","docAbstract":"<p><span>Restoration of disturbed wetland systems is an important component of wetland mitigation, yet uncertainty remains about how hydrologic processes affect biologic processes and wetlands patterns. To design more effective restoration strategies and re-establish native plant communities in disturbed wetlands, it is imperative to understand undisturbed systems. A site within Cherokee Marsh located in Madison, Wisconsin, USA, contains a relatively undisturbed area of wetland consisting of plant communities common within the prairie landscape including a fen, sedge meadow, and shallow marsh. These distinct communities are found within an area of minimal topographic relief, yet transitions from one community to the next occur over short distances. This study sought to characterize the geologic, hydrologic, and chemical gradients associated with these shifts in vegetation to gain insight into the factors controlling the spatial differences in dominant plant species, which could be critical for restoration success. Vegetation analyses revealed a transition of dominant sedge species, which appeared to correspond to changes in hydrology from a ground-water dominated to a surface-water dominated system (as determined by water isotopes). Along the same vegetation transect, subsurface coring results show a heterogeneous composition of peat and till with lateral and vertical variations in stratigraphy, which relates to variability in ground-water discharge as evidenced by hydroperiods and stable isotope composition. Applications of this type of approach throughout the glaciated terrains of the midwestern and northeastern United States and Canada can improve future wetland restoration and management.</span></p>","doi":"10.1672/0277-5212(2007)27[189:TIOSGF]2.0.CO;2","usgsCitation":"Kurtz, A., Bahr, J., Carpenter, Q.J., and Hunt, R., 2007, The importance of subsurface geology for water source and vegetation communities in Cherokee Marsh, Wisconsin: Wetlands, v. 27, no. 1, p. 189-202, https://doi.org/10.1672/0277-5212(2007)27[189:TIOSGF]2.0.CO;2.","productDescription":"14 p.","startPage":"189","endPage":"202","numberOfPages":"14","costCenters":[],"links":[{"id":241989,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Wisconsin","otherGeospatial":"Cherokee Marsh","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -89.4015884399414,\n              43.137069765760344\n            ],\n            [\n              -89.3579864501953,\n              43.1529763194357\n            ],\n            [\n              -89.33446884155273,\n              43.162994070968374\n            ],\n            [\n              -89.33378219604492,\n              43.18427633964703\n            ],\n            [\n              -89.34288024902344,\n              43.19203626250746\n            ],\n            [\n              -89.38013076782227,\n              43.18527767545014\n            ],\n            [\n              -89.4063949584961,\n              43.158861947471785\n            ],\n            [\n              -89.41188812255858,\n              43.14258116631987\n            ],\n            [\n              -89.4093132019043,\n              43.1355665702956\n            ],\n            [\n              -89.4015884399414,\n              43.13656870471118\n            ],\n            [\n              -89.4015884399414,\n              43.137069765760344\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"27","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bacffe4b08c986b3238e4","contributors":{"authors":[{"text":"Kurtz, A.M.","contributorId":74969,"corporation":false,"usgs":true,"family":"Kurtz","given":"A.M.","email":"","affiliations":[],"preferred":false,"id":441779,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bahr, J.M.","contributorId":62346,"corporation":false,"usgs":true,"family":"Bahr","given":"J.M.","email":"","affiliations":[],"preferred":false,"id":441778,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Carpenter, Q. 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,{"id":70033180,"text":"70033180 - 2007 - Acid rain effects on aluminum mobilization clarified by inclusion of strong organic acids","interactions":[],"lastModifiedDate":"2012-03-12T17:21:38","indexId":"70033180","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1565,"text":"Environmental Science & Technology","onlineIssn":"1520-5851","printIssn":"0013-936X","active":true,"publicationSubtype":{"id":10}},"title":"Acid rain effects on aluminum mobilization clarified by inclusion of strong organic acids","docAbstract":"Assessments of acidic deposition effects on aquatic ecosystems have often been hindered by complications from naturally occurring organic acidity. Measurements of pH and ANCG, the most commonly used indicators of chemical effects, can be substantially influenced by the presence of organic acids. Relationships between pH and inorganic Al, which is toxic to many forms of aquatic biota, are also altered by organic acids. However, when inorganic Al concentrations are plotted against ANC (the sum of Ca2+, Mg 2+, Na+, and K+, minus SO42-, NO3-, and Cl-), a distinct threshold for Al mobilization becomes apparent. If the concentration of strong organic anions is included as a negative component of ANC, the threshold occurs at an ANC value of approximately zero, the value expected from theoretical charge balance constraints. This adjusted ANC is termed the base-cation surplus. The threshold relationship between the base-cation surplus and Al was shown with data from approximately 200 streams in the Adirondack region of New York, during periods with low and high dissolved organic carbon concentrations, and for an additional stream from the Catskill region of New York. These results indicate that (1) strong organic anions can contribute to the mobilization of inorganic Al in combination with SO42- and NO 3-, and (2) the presence of inorganic Al in surface waters is an unambiguous indication of acidic deposition effects. ?? 2007 American Chemical Society.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Environmental Science and Technology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1021/es061437v","issn":"0013936X","usgsCitation":"Lawrence, G., Sutherland, J., Boylen, C., Nierzwicki-Bauer, S.W., Momen, B., Baldigo, B., and Simonin, H.A., 2007, Acid rain effects on aluminum mobilization clarified by inclusion of strong organic acids: Environmental Science & Technology, v. 41, no. 1, p. 93-98, https://doi.org/10.1021/es061437v.","startPage":"93","endPage":"98","numberOfPages":"6","costCenters":[],"links":[{"id":213533,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1021/es061437v"},{"id":241163,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"41","issue":"1","noUsgsAuthors":false,"publicationDate":"2006-11-21","publicationStatus":"PW","scienceBaseUri":"5059e693e4b0c8380cd474f3","contributors":{"authors":[{"text":"Lawrence, G.B. 0000-0002-8035-2350","orcid":"https://orcid.org/0000-0002-8035-2350","contributorId":76347,"corporation":false,"usgs":true,"family":"Lawrence","given":"G.B.","affiliations":[],"preferred":false,"id":439713,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sutherland, J.W.","contributorId":61622,"corporation":false,"usgs":true,"family":"Sutherland","given":"J.W.","email":"","affiliations":[],"preferred":false,"id":439712,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Boylen, C.W.","contributorId":43151,"corporation":false,"usgs":true,"family":"Boylen","given":"C.W.","email":"","affiliations":[],"preferred":false,"id":439711,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Nierzwicki-Bauer, S. W.","contributorId":27683,"corporation":false,"usgs":true,"family":"Nierzwicki-Bauer","given":"S.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":439710,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Momen, B.","contributorId":91283,"corporation":false,"usgs":true,"family":"Momen","given":"B.","affiliations":[],"preferred":false,"id":439715,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Baldigo, Barry P. 0000-0002-9862-9119","orcid":"https://orcid.org/0000-0002-9862-9119","contributorId":25174,"corporation":false,"usgs":true,"family":"Baldigo","given":"Barry P.","affiliations":[{"id":474,"text":"New York Water Science Center","active":true,"usgs":true}],"preferred":true,"id":439709,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Simonin, H. A.","contributorId":85713,"corporation":false,"usgs":false,"family":"Simonin","given":"H.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":439714,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70033211,"text":"70033211 - 2007 - Multichannel analysis of surface waves (MASW) - Active and passive methods","interactions":[],"lastModifiedDate":"2012-03-12T17:21:38","indexId":"70033211","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2610,"text":"Leading Edge (Tulsa, OK)","active":true,"publicationSubtype":{"id":10}},"title":"Multichannel analysis of surface waves (MASW) - Active and passive methods","docAbstract":"The conventional seismic approaches for near-surface investigation have usually been either high-resolution reflection or refraction surveys that deal with a depth range of a few tens to hundreds meters. Seismic signals from these surveys consist of wavelets with frequencies higher than 50 Hz. The multichannel analysis of surface waves (MASW) method deals with surface waves in the lower frequencies (e.g., 1-30 Hz) and uses a much shallower depth range of investigation (e.g., a few to a few tens of meters). ?? 2007 Society of Exploration Geophysicists.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Leading Edge (Tulsa, OK)","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1190/1.2431832","issn":"1070485X","usgsCitation":"Park, C., Miller, R., Xia, J., and Ivanov, J., 2007, Multichannel analysis of surface waves (MASW) - Active and passive methods: Leading Edge (Tulsa, OK), v. 26, no. 1, p. 60-64, https://doi.org/10.1190/1.2431832.","startPage":"60","endPage":"64","numberOfPages":"5","costCenters":[],"links":[{"id":213499,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1190/1.2431832"},{"id":241128,"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":"505a5fd8e4b0c8380cd71189","contributors":{"authors":[{"text":"Park, C.B.","contributorId":21714,"corporation":false,"usgs":true,"family":"Park","given":"C.B.","email":"","affiliations":[],"preferred":false,"id":439849,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Miller, R. D.","contributorId":92693,"corporation":false,"usgs":true,"family":"Miller","given":"R. D.","affiliations":[],"preferred":false,"id":439851,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Xia, J.","contributorId":63513,"corporation":false,"usgs":true,"family":"Xia","given":"J.","email":"","affiliations":[],"preferred":false,"id":439850,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Ivanov, J.","contributorId":107068,"corporation":false,"usgs":true,"family":"Ivanov","given":"J.","email":"","affiliations":[],"preferred":false,"id":439852,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70033087,"text":"70033087 - 2007 - Mass balances of mercury and nitrogen in burned and unburned forested watersheds at Acadia National Park, Maine, USA","interactions":[],"lastModifiedDate":"2012-03-12T17:21:39","indexId":"70033087","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","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":"Mass balances of mercury and nitrogen in burned and unburned forested watersheds at Acadia National Park, Maine, USA","docAbstract":"Precipitation and streamwater samples were collected from 16 November 1999 to 17 November 2000 in two watersheds at Acadia National Park, Maine, and analyzed for mercury (Hg) and dissolved inorganic nitrogen (DIN, nitrate plus ammonium). Cadillac Brook watershed burned in a 1947 fire that destroyed vegetation and soil organic matter. We hypothesized that Hg deposition would be higher at Hadlock Brook (the reference watershed, 10.2 ??g/m2/year) than Cadillac (9.4 ??g/m2/year) because of the greater scavenging efficiency of the softwood vegetation in Hadlock. We also hypothesized the Hg and DIN export from Cadillac Brook would be lower than Hadlock Brook because of elemental volatilization during the fire, along with subsequently lower rates of atmospheric deposition in a watershed with abundant bare soil and bedrock, and regenerating vegetation. Consistent with these hypotheses, Hg export was lower from Cadillac Brook watershed (0.4 ??g/m2/year) than from Hadlock Brook watershed (1.3 ??g/m2/year). DIN export from Cadillac Brook (11.5 eq/ ha/year) was lower than Hadlock Brook (92.5 eq/ha/year). These data show that ??50 years following a wildfire there was lower atmospheric deposition due to changes in forest species composition, lower soil pools, and greater ecosystem retention for both Hg and DIN. ?? Springer Science + Business Media B.V. 2006.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Environmental Monitoring and Assessment","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1007/s10661-006-9332-4","issn":"01676369","usgsCitation":"Nelson, S., Johnson, K., Kahl, J.S., Haines, T., and Fernandez, I., 2007, Mass balances of mercury and nitrogen in burned and unburned forested watersheds at Acadia National Park, Maine, USA: Environmental Monitoring and Assessment, v. 126, no. 1-3, p. 69-80, https://doi.org/10.1007/s10661-006-9332-4.","startPage":"69","endPage":"80","numberOfPages":"12","costCenters":[],"links":[{"id":213211,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s10661-006-9332-4"},{"id":240815,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"126","issue":"1-3","noUsgsAuthors":false,"publicationDate":"2006-10-21","publicationStatus":"PW","scienceBaseUri":"505a524ae4b0c8380cd6c2df","contributors":{"authors":[{"text":"Nelson, S.J.","contributorId":45901,"corporation":false,"usgs":true,"family":"Nelson","given":"S.J.","email":"","affiliations":[],"preferred":false,"id":439319,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Johnson, K.B.","contributorId":31208,"corporation":false,"usgs":true,"family":"Johnson","given":"K.B.","email":"","affiliations":[],"preferred":false,"id":439318,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kahl, J. S.","contributorId":77885,"corporation":false,"usgs":false,"family":"Kahl","given":"J.","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":439321,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Haines, T.A.","contributorId":83062,"corporation":false,"usgs":true,"family":"Haines","given":"T.A.","email":"","affiliations":[],"preferred":false,"id":439322,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Fernandez, I.J.","contributorId":61221,"corporation":false,"usgs":true,"family":"Fernandez","given":"I.J.","email":"","affiliations":[],"preferred":false,"id":439320,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70179402,"text":"70179402 - 2007 - Crims Island habitat restoration in the Columbia River estuary - fisheries monitoring and evaluation, 2006","interactions":[],"lastModifiedDate":"2016-12-30T12:58:26","indexId":"70179402","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":4,"text":"Other Government Series"},"title":"Crims Island habitat restoration in the Columbia River estuary - fisheries monitoring and evaluation, 2006","docAbstract":"<p>n/a</p>","language":"English","publisher":"U.S. Army Corps of Engineers","usgsCitation":"Haskell, C.A., Tiffan, K.F., Koch, R.C., and Rondorf, D.W., 2007, Crims Island habitat restoration in the Columbia River estuary - fisheries monitoring and evaluation, 2006.","costCenters":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"links":[{"id":332696,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"586781fae4b0cd2dabe7c72d","contributors":{"authors":[{"text":"Haskell, Craig A. 0000-0002-3604-1758 chaskell@usgs.gov","orcid":"https://orcid.org/0000-0002-3604-1758","contributorId":3458,"corporation":false,"usgs":true,"family":"Haskell","given":"Craig","email":"chaskell@usgs.gov","middleInitial":"A.","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":true,"id":657109,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Tiffan, Kenneth F. 0000-0002-5831-2846 ktiffan@usgs.gov","orcid":"https://orcid.org/0000-0002-5831-2846","contributorId":3200,"corporation":false,"usgs":true,"family":"Tiffan","given":"Kenneth","email":"ktiffan@usgs.gov","middleInitial":"F.","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":true,"id":657110,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Koch, Ryan C.","contributorId":177801,"corporation":false,"usgs":false,"family":"Koch","given":"Ryan","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":657111,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Rondorf, Dennis W. drondorf@usgs.gov","contributorId":2970,"corporation":false,"usgs":true,"family":"Rondorf","given":"Dennis","email":"drondorf@usgs.gov","middleInitial":"W.","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":true,"id":657112,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":80156,"text":"ofr20071057 - 2007 - Herpetofaunal Inventories of the National Parks of South Florida and the Caribbean: Volume IV. Biscayne National Park","interactions":[],"lastModifiedDate":"2012-02-02T00:13:56","indexId":"ofr20071057","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","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":"2007-1057","title":"Herpetofaunal Inventories of the National Parks of South Florida and the Caribbean: Volume IV. Biscayne National Park","docAbstract":"Amphibian declines and extinctions have been documented around the world, often in protected natural areas. Concern for this alarming trend has prompted the U.S. Geological Survey and the National Park Service to document all species of amphibians that occur within U.S. National Parks and to search for any signs that amphibians may be declining. This study, an inventory of amphibian species in Biscayne National Park, was conducted during 2002 and 2003. The goals of the project were to create a georeferenced inventory of amphibian species, use new analytical techniques to estimate proportion of sites occupied by each species, look for evidence of known stressors or problems that may lead to amphibian population decline (invasive species, disease, die-offs, and so forth), and to establish a baseline and methodology that could be used for future monitoring efforts.\r\n\r\nFour sampling methods were used to accomplish these goals. Visual encounter surveys and anuran vocalization surveys were conducted at a total of 236 visits to 37 sites in all habitats throughout Biscayne National Park to estimate the proportion of sites or proportion of area occupied (PAO) by each amphibian species in each habitat. More than 100 individuals of 7 amphibian species were detected during standard sampling, and 24 individuals of 6 species of amphibians and 37 individuals of 12 species of reptiles were encountered during opportunistic collections and nighttime road surveys used to augment the visual encounter methods for more rare or cryptic species opportunistically. The software PRESENCE was used to provide PAO estimates for each of the anuran species based on the visual encounter surveys and anuran vocalization data.\r\n\r\nAmphibian species (six native and three non-native) were documented in Biscayne National Park during this project. The proportion of area occupied estimates obtained for the six most common amphibians will serve as a comparative baseline for future monitoring efforts. There were fourteen non-marine reptile species detected during this study. The proportion of area occupied for reptile species was not estimated because there were too few encounters during this study. The methods used in this study are adequate to produce reliable estimates of the proportion of sites occupied by most anuran species. Therefore, future sampling at regular intervals could be a cost-effective way of following amphibian occupancy trends.\r\n\r\nThis study identified some threats to amphibians in Biscayne National Park, especially introduced species including the Cuban treefrog (Osteopilus septentrionalis), the marine or cane toad (Bufo marinus), and the greenhouse frog (Eleutherodactylus planirostris planirostris) that were collectively detected nearly three times as often as native species.","language":"English","publisher":"Geological Survey (U.S.)","doi":"10.3133/ofr20071057","usgsCitation":"Rice, K.G., Waddle, J., Crockett, M.E., Bugbee, C.D., Jeffery, B.M., and Percival, H.F., 2007, Herpetofaunal Inventories of the National Parks of South Florida and the Caribbean: Volume IV. Biscayne National Park: U.S. Geological Survey Open-File Report 2007-1057, 65 p,, https://doi.org/10.3133/ofr20071057.","productDescription":"65 p,","startPage":"0","endPage":"0","onlineOnly":"Y","additionalOnlineFiles":"Y","costCenters":[{"id":275,"text":"Florida Integrated Science Center","active":false,"usgs":true}],"links":[{"id":191613,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":10123,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2007/1057/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b1ae4b07f02db6a8787","contributors":{"authors":[{"text":"Rice, Kenneth G. 0000-0001-8282-1088 krice@usgs.gov","orcid":"https://orcid.org/0000-0001-8282-1088","contributorId":117,"corporation":false,"usgs":true,"family":"Rice","given":"Kenneth","email":"krice@usgs.gov","middleInitial":"G.","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":291867,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Waddle, J. Hardin 0000-0003-1940-2133","orcid":"https://orcid.org/0000-0003-1940-2133","contributorId":89982,"corporation":false,"usgs":true,"family":"Waddle","given":"J. Hardin","affiliations":[],"preferred":false,"id":291872,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Crockett, Marquette E.","contributorId":70067,"corporation":false,"usgs":true,"family":"Crockett","given":"Marquette","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":291870,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Bugbee, Christopher D.","contributorId":73686,"corporation":false,"usgs":true,"family":"Bugbee","given":"Christopher","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":291871,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Jeffery, Brian M.","contributorId":16511,"corporation":false,"usgs":false,"family":"Jeffery","given":"Brian","email":"","middleInitial":"M.","affiliations":[{"id":12557,"text":"University of Florida, FLREC","active":true,"usgs":false}],"preferred":false,"id":291869,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Percival, H. Franklin percivalf@usgs.gov","contributorId":2424,"corporation":false,"usgs":true,"family":"Percival","given":"H.","email":"percivalf@usgs.gov","middleInitial":"Franklin","affiliations":[],"preferred":true,"id":291868,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
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