{"pageNumber":"2512","pageRowStart":"62775","pageSize":"25","recordCount":184716,"records":[{"id":70030738,"text":"70030738 - 2006 - Characterization of unsaturated zone hydrogeologic units using matrix properties and depositional history in a complex volcanic environment","interactions":[],"lastModifiedDate":"2018-03-30T12:23:18","indexId":"70030738","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3674,"text":"Vadose Zone Journal","active":true,"publicationSubtype":{"id":10}},"title":"Characterization of unsaturated zone hydrogeologic units using matrix properties and depositional history in a complex volcanic environment","docAbstract":"<p><span>Characterization of the physical and unsaturated hydrologic properties of subsurface materials is necessary to calculate flow and transport for land use practices and to evaluate subsurface processes such as perched water or lateral diversion of water, which are influenced by features such as faults, fractures, and abrupt changes in lithology. Input for numerical flow models typically includes parameters that describe hydrologic properties and the initial and boundary conditions for all materials in the unsaturated zone, such as bulk density, porosity, and particle density, saturated hydraulic conductivity, moisture-retention characteristics, and field water content. We describe an approach for systematically evaluating the site features that contribute to water flow, using physical and hydraulic data collected at the laboratory scale, to provide a representative set of physical and hydraulic parameters for numerically calculating flow of water through the materials at a site. An example case study from analyses done for the heterogeneous, layered, volcanic rocks at Yucca Mountain is presented, but the general approach for parameterization could be applied at any site where depositional processes follow deterministic patterns. Hydrogeologic units at this site were defined using (i) a database developed from 5320 rock samples collected from the coring of 23 shallow (&lt;100 m) and 10 deep (500–1000 m) boreholes, (ii) lithostratigraphic boundaries and corresponding relations to porosity, (iii) transition zones with pronounced changes in properties over short vertical distances, (iv) characterization of the influence of mineral alteration on hydrologic properties such as permeability and moisture-retention characteristics, and (v) a statistical analysis to evaluate where boundaries should be adjusted to minimize the variance within layers. Model parameters developed in this study, and the relation of flow properties to porosity, can be used to produce detailed and accurate representations of the core-scale hydrologic processes ongoing at Yucca Mountain.</span></p>","language":"English","publisher":"ACSESS","doi":"10.2136/vzj2004.0180","usgsCitation":"Flint, L.E., Buesch, D.C., and Flint, A.L., 2006, Characterization of unsaturated zone hydrogeologic units using matrix properties and depositional history in a complex volcanic environment: Vadose Zone Journal, v. 5, no. 1, p. 480-492, https://doi.org/10.2136/vzj2004.0180.","productDescription":"13 p.","startPage":"480","endPage":"492","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true},{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":238758,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"5","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059f4e8e4b0c8380cd4bfce","contributors":{"authors":[{"text":"Flint, Lorraine E. 0000-0002-7868-441X lflint@usgs.gov","orcid":"https://orcid.org/0000-0002-7868-441X","contributorId":1184,"corporation":false,"usgs":true,"family":"Flint","given":"Lorraine","email":"lflint@usgs.gov","middleInitial":"E.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":428461,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Buesch, David C. 0000-0002-4978-5027 dbuesch@usgs.gov","orcid":"https://orcid.org/0000-0002-4978-5027","contributorId":1154,"corporation":false,"usgs":true,"family":"Buesch","given":"David","email":"dbuesch@usgs.gov","middleInitial":"C.","affiliations":[{"id":234,"text":"Earthquake Hazards Program","active":true,"usgs":true},{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true},{"id":309,"text":"Geology and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":428462,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Flint, Alan L. 0000-0002-5118-751X aflint@usgs.gov","orcid":"https://orcid.org/0000-0002-5118-751X","contributorId":1492,"corporation":false,"usgs":true,"family":"Flint","given":"Alan","email":"aflint@usgs.gov","middleInitial":"L.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true},{"id":657,"text":"Western Geographic Science Center","active":true,"usgs":true}],"preferred":true,"id":428463,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70029015,"text":"70029015 - 2006 - Determination of the platinum - Group elements (PGE) and gold (Au) in manganese nodule reference samples by nickel sulfide fire-assay and Te coprecipitation with ICP-MS","interactions":[],"lastModifiedDate":"2012-03-12T17:20:59","indexId":"70029015","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1981,"text":"Indian Journal of Marine Sciences","active":true,"publicationSubtype":{"id":10}},"title":"Determination of the platinum - Group elements (PGE) and gold (Au) in manganese nodule reference samples by nickel sulfide fire-assay and Te coprecipitation with ICP-MS","docAbstract":"Platinum group elements (PGE) and Au data in polymetallic oceanic ferromanganese nodule reference samples and crust samples obtained by inductively coupled plasma mass spectrometry (ICP-MS), after separation and pre-concentration by nickel sulfide fire-assay and Te coprecipitation, are presented. By optimizing several critical parameters such as flux composition, matrix matching calibration, etc., best experimental conditions were established to develop a method suitable for routine analysis of manganese nodule samples for PGE and Au. Calibrations were performed using international PGE reference materials, WMG-1 and WMS-1. This improved procedure offers extremely low detection limits in the range of 0.004 to 0.016 ng/g. The results obtained in this study for the reference materials compare well with previously published data wherever available. New PGE data arc also provided on some international manganese nodule reference materials. The analytical methodology described here can be used for the routine analysis of manganese nodule and crust samples in marine geochemical studies.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Indian Journal of Marine Sciences","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","issn":"03795136","usgsCitation":"Balaram, V., Mathur, R., Banakar, V., Hein, J., Rao, C., Gnaneswara, R.T., and Dasaram, B., 2006, Determination of the platinum - Group elements (PGE) and gold (Au) in manganese nodule reference samples by nickel sulfide fire-assay and Te coprecipitation with ICP-MS: Indian Journal of Marine Sciences, v. 35, no. 1, p. 7-16.","startPage":"7","endPage":"16","numberOfPages":"10","costCenters":[],"links":[{"id":236314,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"35","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059ffd9e4b0c8380cd4f419","contributors":{"authors":[{"text":"Balaram, V.","contributorId":98522,"corporation":false,"usgs":true,"family":"Balaram","given":"V.","email":"","affiliations":[],"preferred":false,"id":420972,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Mathur, R.","contributorId":75740,"corporation":false,"usgs":true,"family":"Mathur","given":"R.","email":"","affiliations":[],"preferred":false,"id":420970,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Banakar, V.K.","contributorId":70135,"corporation":false,"usgs":true,"family":"Banakar","given":"V.K.","affiliations":[],"preferred":false,"id":420969,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hein, J.R. 0000-0002-5321-899X","orcid":"https://orcid.org/0000-0002-5321-899X","contributorId":61429,"corporation":false,"usgs":true,"family":"Hein","given":"J.R.","affiliations":[],"preferred":false,"id":420967,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Rao, C.R.M.","contributorId":108304,"corporation":false,"usgs":true,"family":"Rao","given":"C.R.M.","email":"","affiliations":[],"preferred":false,"id":420973,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Gnaneswara, Rao T.","contributorId":80882,"corporation":false,"usgs":true,"family":"Gnaneswara","given":"Rao","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":420971,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Dasaram, B.","contributorId":68946,"corporation":false,"usgs":true,"family":"Dasaram","given":"B.","email":"","affiliations":[],"preferred":false,"id":420968,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70029014,"text":"70029014 - 2006 - Evaluation of methods to estimate lake herring spawner abundance in Lake Superior","interactions":[],"lastModifiedDate":"2016-05-09T09:43:04","indexId":"70029014","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3624,"text":"Transactions of the American Fisheries Society","active":true,"publicationSubtype":{"id":10}},"title":"Evaluation of methods to estimate lake herring spawner abundance in Lake Superior","docAbstract":"<p><span>Historically, commercial fishers harvested Lake Superior lake herring&nbsp;</span><i>Coregonus artedi</i><span>&nbsp;for their flesh, but recently operators have targeted lake herring for roe. Because no surveys have estimated spawning female abundance, direct estimates of fishing mortality are lacking. The primary objective of this study was to determine the feasibility of using acoustic techniques in combination with midwater trawling to estimate spawning female lake herring densities in a Lake Superior statistical grid (i.e., a 10&prime; latitude &times; 10&prime; longitude area over which annual commercial harvest statistics are compiled). Midwater trawling showed that mature female lake herring were largely pelagic during the night in late November, accounting for 94.5% of all fish caught exceeding 250 mm total length. When calculating acoustic estimates of mature female lake herring, we excluded backscattering from smaller pelagic fishes like immature lake herring and rainbow smelt&nbsp;</span><i>Osmerus mordax</i><span>&nbsp;by applying an empirically derived threshold of &minus;35.6 dB. We estimated the average density of mature females in statistical grid 1409 at 13.3 fish/ha and the total number of spawning females at 227,600 (95% confidence interval = 172,500&ndash;282,700). Using information on mature female densities, size structure, and fecundity, we estimate that females deposited 3.027 billion (10</span><sup>9</sup><span>) eggs in grid 1409 (95% confidence interval = 2.356&ndash;3.778 billion). The relative estimation error of the mature female density estimate derived using a geostatistical model&mdash;based approach was low (12.3%), suggesting that the employed method was robust. Fishing mortality rates of all mature females and their eggs were estimated at 2.3% and 3.8%, respectively. The techniques described for enumerating spawning female lake herring could be used to develop a more accurate stock&ndash;recruitment model for Lake Superior lake herring.</span></p>","language":"English","publisher":"Taylor & Francis","doi":"10.1577/T05-203.1","issn":"00028487","usgsCitation":"Yule, D., Stockwell, J., Cholwek, G., Evrard, L., Schram, S., Seider, M., and Symbal, M., 2006, Evaluation of methods to estimate lake herring spawner abundance in Lake Superior: Transactions of the American Fisheries Society, v. 135, no. 3, p. 680-694, https://doi.org/10.1577/T05-203.1.","productDescription":"15 p.","startPage":"680","endPage":"694","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":477405,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1577/t05-203.1","text":"Publisher Index Page"},{"id":236313,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":209649,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1577/T05-203.1"}],"volume":"135","issue":"3","noUsgsAuthors":false,"publicationDate":"2011-01-09","publicationStatus":"PW","scienceBaseUri":"505a0c98e4b0c8380cd52bf9","contributors":{"authors":[{"text":"Yule, D.L.","contributorId":78853,"corporation":false,"usgs":true,"family":"Yule","given":"D.L.","email":"","affiliations":[],"preferred":false,"id":420966,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Stockwell, J.D.","contributorId":19678,"corporation":false,"usgs":true,"family":"Stockwell","given":"J.D.","email":"","affiliations":[],"preferred":false,"id":420960,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cholwek, G.A.","contributorId":42010,"corporation":false,"usgs":true,"family":"Cholwek","given":"G.A.","affiliations":[],"preferred":false,"id":420963,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Evrard, L.M.","contributorId":22554,"corporation":false,"usgs":true,"family":"Evrard","given":"L.M.","email":"","affiliations":[],"preferred":false,"id":420961,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Schram, S.","contributorId":39177,"corporation":false,"usgs":true,"family":"Schram","given":"S.","email":"","affiliations":[],"preferred":false,"id":420962,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Seider, M.","contributorId":48373,"corporation":false,"usgs":true,"family":"Seider","given":"M.","affiliations":[],"preferred":false,"id":420964,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Symbal, M.","contributorId":50338,"corporation":false,"usgs":true,"family":"Symbal","given":"M.","affiliations":[],"preferred":false,"id":420965,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70030737,"text":"70030737 - 2006 - Alpersite (Mg,Cu)SO4·7H2O, a new mineral of the melanterite group, and cuprian pentahydrite: Their occurrence within mine waste","interactions":[],"lastModifiedDate":"2018-10-30T11:37:38","indexId":"70030737","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":738,"text":"American Mineralogist","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Alpersite (Mg,Cu)SO<sub>4</sub>·7H<sub>2</sub>O, a new mineral of the melanterite group, and cuprian pentahydrite: their occurrence within mine waste","title":"Alpersite (Mg,Cu)SO4·7H2O, a new mineral of the melanterite group, and cuprian pentahydrite: Their occurrence within mine waste","docAbstract":"<p id=\"p-1\">Alpersite, Mg<sub>0.58</sub>Cu<sub>0.37</sub>Zn<sub>0.02</sub>Mn<sub>0.02</sub>Fe<sub>0.01</sub>SO<sub>4</sub>&middot;7H<sub>2</sub>O, a new mineral species with direct relevance to reactions in mine waste, occurs in a mineralogically zoned assemblage in sheltered areas at the abandoned Big Mike mine in central Nevada at a relative humidity of 65% and&nbsp;<i>T</i>&nbsp;= 4 &deg;C. Blue alpersite, which is isostructural with melanterite (FeSO<sub>4</sub>&middot;7H<sub>2</sub>O), is overlain by a light blue to white layer dominated by pickeringite, alunogen, and epsomite. X-ray diffraction data (Mo<i>K</i>&alpha; radiation) from a single crystal of alpersite were refined in&nbsp;<i>P</i>2<sub>1</sub>/c, resulting in w<i>R</i>&nbsp;= 0.05 and cell dimensions&nbsp;<i>a</i>&nbsp;= 14.166(4),&nbsp;<i>b</i>&nbsp;= 6.534(2),&nbsp;<i>c</i>&nbsp;= 10.838(3) &Aring;, &beta; = 105.922(6)&deg;,&nbsp;<i>Z</i>&nbsp;= 4. Site-occupancy refinement, constrained to be consistent with the compositional data, showed Mg to occupy the M1 site and Cu the M2 site. The octahedral distortion of M2 is consistent with 72% Cu occupancy when compared with the site-distortion data of substituted melanterite.</p>\n<p id=\"p-2\">Cuprian pentahydrite, with the formula (Mg<sub>0.49</sub>Cu<sub>0.41</sub>Mn<sub>0.08</sub>Zn<sub>0.02</sub>)SO<sub>4</sub>&middot;5H<sub>2</sub>O, was collected from an efflorescent rim on a depression that had held water in a large waste-rock area near Miami, Arizona. After dissolution of the efflorescence in de-ionized water, and evaporation of the supernatant liquid, alpersite precipitated and quickly dehydrated to cuprian pentahydrite. These observations are consistent with previous experimental studies of the system MgSO<sub>4</sub>-CuSO<sub>4</sub>-H<sub>2</sub>O. It is suspected that alpersite and cuprian pentahydrite are widespread in mine wastes that contain Cu-bearing sulfides, but in which solubilized Fe<span>2+</span>&nbsp;is not available for melanterite crystallization because of oxidation to Fe<span>3+</span>&nbsp;in surface waters of near-neutral pH. Alpersite has likely been overlooked in the past because of the close similarity of its physical properties to those of melanterite and chalcanthite. Alpersite is named after Charles N. Alpers, geochemist with the United States Geological Survey, who has made significant contributions to our understanding of the mineralogical controls of mine-water geochemistry.</p>","language":"English","publisher":"Mineralogical Society of America","doi":"10.2138/am.2006.1911","issn":"0003004X","usgsCitation":"Peterson, R.C., Hammarstrom, J.M., and Seal, R., 2006, Alpersite (Mg,Cu)SO4·7H2O, a new mineral of the melanterite group, and cuprian pentahydrite: Their occurrence within mine waste: American Mineralogist, v. 91, no. 2-3, p. 261-269, https://doi.org/10.2138/am.2006.1911.","productDescription":"9 p.","startPage":"261","endPage":"269","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":245,"text":"Eastern Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"links":[{"id":238757,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":211464,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.2138/am.2006.1911"}],"volume":"91","issue":"2-3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059e973e4b0c8380cd482b8","contributors":{"authors":[{"text":"Peterson, Ronald C.","contributorId":103070,"corporation":false,"usgs":true,"family":"Peterson","given":"Ronald","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":428460,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hammarstrom, Jane M. 0000-0003-2742-3460 jhammars@usgs.gov","orcid":"https://orcid.org/0000-0003-2742-3460","contributorId":1226,"corporation":false,"usgs":true,"family":"Hammarstrom","given":"Jane","email":"jhammars@usgs.gov","middleInitial":"M.","affiliations":[{"id":387,"text":"Mineral Resources Program","active":true,"usgs":true},{"id":245,"text":"Eastern Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":428458,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Seal, Robert R. II 0000-0003-0901-2529 rseal@usgs.gov","orcid":"https://orcid.org/0000-0003-0901-2529","contributorId":397,"corporation":false,"usgs":true,"family":"Seal","given":"Robert R.","suffix":"II","email":"rseal@usgs.gov","affiliations":[],"preferred":false,"id":428459,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70030736,"text":"70030736 - 2006 - Evaluation of a recirculating pond system for rearing juvenile freshwater mussels at White Sulphur Springs National Fish Hatchery, West Virginia, U.S.A.","interactions":[],"lastModifiedDate":"2012-03-12T17:21:18","indexId":"70030736","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":735,"text":"American Malacological Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Evaluation of a recirculating pond system for rearing juvenile freshwater mussels at White Sulphur Springs National Fish Hatchery, West Virginia, U.S.A.","docAbstract":"A recirculating double-pond system at White Sulphur Springs National Fish Hatchery in West Virginia, U.S.A., was evaluated for suitability for culturing juvenile freshwater mussels. Newly metamorphosed juveniles of Villosa iris and Lampsilis fasciola were placed in the system, and their growth and survival were evaluated for 94 days. Throughout the study, parameters of water quality remained within ranges suitable for mussel survival. Planktonic algal densities in the pond system ranged from 2850 to 6892 cells/ml. Thirty-seven algal taxa were identified, primarily green algae (Chlorophyta), diatoms (Bacillariophyceae), and blue-green algae (Cyanoprokaryota). Over the culture period, juveniles of L. fasciola experienced significantly lower (p < 0.001) survival (6.3% ?? 4.5) than those of V. iris (49.8% ?? 14.5). The very low survival rate of L. fasciola may indicate a failure of the flow-through pond environment to meet its habitat requirements or that variable microhabitat conditions within culture containers existed. Growth did not differ significantly between the species (p = 0.13). Survival of V. iris and growth of both species were similar to previous trials to culture juvenile mussels. Survival rates as high as 66.4% at 93 days for V. iris suggest that juveniles of some riverine species can be successfully cultured in a recirculating pond environment.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"American Malacological Bulletin","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","issn":"07402783","usgsCitation":"Mummert, A., Newcomb, T., Neves, R.J., and Parker, B., 2006, Evaluation of a recirculating pond system for rearing juvenile freshwater mussels at White Sulphur Springs National Fish Hatchery, West Virginia, U.S.A.: American Malacological Bulletin, v. 21, no. 1-2, p. 1-10.","startPage":"1","endPage":"10","numberOfPages":"10","costCenters":[],"links":[{"id":238724,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"21","issue":"1-2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0c37e4b0c8380cd52a9f","contributors":{"authors":[{"text":"Mummert, A.","contributorId":41297,"corporation":false,"usgs":true,"family":"Mummert","given":"A.","email":"","affiliations":[],"preferred":false,"id":428456,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Newcomb, T.J.","contributorId":86651,"corporation":false,"usgs":true,"family":"Newcomb","given":"T.J.","email":"","affiliations":[],"preferred":false,"id":428457,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Neves, R. J.","contributorId":30936,"corporation":false,"usgs":true,"family":"Neves","given":"R.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":428455,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Parker, B.","contributorId":26586,"corporation":false,"usgs":true,"family":"Parker","given":"B.","affiliations":[],"preferred":false,"id":428454,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70031009,"text":"70031009 - 2006 - Upland disturbance affects headwater stream nutrients and suspended sediments during baseflow and stormflow","interactions":[],"lastModifiedDate":"2012-03-12T17:21:15","indexId":"70031009","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2262,"text":"Journal of Environmental Quality","active":true,"publicationSubtype":{"id":10}},"title":"Upland disturbance affects headwater stream nutrients and suspended sediments during baseflow and stormflow","docAbstract":"Because catchment characteristics determine sediment and nutrient inputs to streams, upland disturbance can affect stream chemistry. Catchments at the Fort Benning Military Installation (near Columbus, Georgia) experience a range of upland disturbance intensities due to spatial variability in the intensity of military training. We used this disturbance gradient to investigate the effects of upland soil and vegetation disturbance on stream chemistry. During baseflow, mean total suspended sediment (TSS) concentration and mean inorganic suspended sediment (ISS) concentration increased with catchment disturbance intensity (TSS: R2 = 0.7, p = 0.005, range = 4.0-10.1 mg L-1; ISS: R2 = 0.71, p = 0.004, range = 2.04-7.3 mg L-1); dissolved organic carbon (DOC) concentration (R2 = 0.79, p = 0.001, range = 1.5-4.1 mg L-1) and soluble reactive phosphorus (SRP) concentration (R2 = 0.75, p = 0.008, range = 1.9-6.2 ??g L-1) decreased with increasing disturbance intensity; and ammonia (NH 4+), nitrate (NO3-), and dissolved inorganic nitrogen (DIN) concentrations were unrelated to disturbance intensity. The increase in TSS and ISS during storms was positively correlated with disturbance (R2 = 0.78 and 0.78, p = 0.01 and 0.01, respectively); mean maximum change in SRP during storms increased with disturbance (r = 0.7, p = 0.04); and mean maximum change in NO3- during storms was marginally correlated with disturbance (r = 0.58, p = 0.06). Soil characteristics were significant predictors of baseflow DOC, SRP, and Ca 2+, but were not correlated with suspended sediment fractions, any nitrogen species, or pH. Despite the largely intact riparian zones of these headwater streams, upland soil and vegetation disturbances had clear effects on stream chemistry during baseflow and stormflow conditions. ?? ASA, CSSA, SSSA.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Environmental Quality","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.2134/jeq2005.0102","issn":"00472425","usgsCitation":"Houser, J., Mulholland, P.J., and Maloney, K., 2006, Upland disturbance affects headwater stream nutrients and suspended sediments during baseflow and stormflow: Journal of Environmental Quality, v. 35, no. 1, p. 352-365, https://doi.org/10.2134/jeq2005.0102.","startPage":"352","endPage":"365","numberOfPages":"14","costCenters":[],"links":[{"id":477454,"rank":10000,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.555.7478","text":"External Repository"},{"id":211509,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.2134/jeq2005.0102"},{"id":238808,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"35","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bbd21e4b08c986b328ede","contributors":{"authors":[{"text":"Houser, J.N.","contributorId":91603,"corporation":false,"usgs":true,"family":"Houser","given":"J.N.","email":"","affiliations":[],"preferred":false,"id":429619,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Mulholland, P. J.","contributorId":89081,"corporation":false,"usgs":false,"family":"Mulholland","given":"P.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":429618,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Maloney, K.O. 0000-0003-2304-0745","orcid":"https://orcid.org/0000-0003-2304-0745","contributorId":105414,"corporation":false,"usgs":true,"family":"Maloney","given":"K.O.","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":false,"id":429620,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70030712,"text":"70030712 - 2006 - Changes in stream chemistry and nutrient export following a partial harvest in the Catskill Mountains, New York, USA","interactions":[],"lastModifiedDate":"2012-03-12T17:21:00","indexId":"70030712","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1687,"text":"Forest Ecology and Management","active":true,"publicationSubtype":{"id":10}},"title":"Changes in stream chemistry and nutrient export following a partial harvest in the Catskill Mountains, New York, USA","docAbstract":"Clearcut forest harvesting typically results in large changes in stream water chemistry in northeastern North America. The effects of partial forest harvests on stream chemistry have not received as much attention, even though partial cutting is a more common forestry practice than clearcutting in this region. Changes in stream water chemistry following a partial cut are reported here from a 10 ha study catchment in a northern hardwood forest in the Catskill Mountains of southern New York, and are compared to those of a nearby 48 ha reference catchment. The lower two thirds of the treatment catchment was harvested in February-April 2002 by a shelterwood method, such that 33% of the basal area of the catchment was removed. Stream NO3-, NH4+, Ca2+, K+, and total dissolved aluminum (Alto) concentrations increased significantly after the harvest. Stream Ca2+, Mg2+ and NH4+ concentrations peaked 5 months after the initiation of the harvest, NO 3- and K+ concentrations peaked 6 months after cutting, and Alto concentrations peaked 1 year after cutting. Streamflow was not significantly affected by the harvest when compared to the flow of three nearby streams. Export of NO3- in stream water increased five-fold the year after the cut, and briefly exceeded atmospheric inputs of inorganic nitrogen during 4 months in the fall of 2002. Changes in stream NO3- and K+ concentrations were less than predicted by the relative basal area removed compared with those of a recent nearby clearcut. In contrast, changes in Ca2+, Mg 2+ and Alto concentrations were approximately proportional to basal area removal in these two cuts. Stream chemistry returned to values close to those of the pre-cut period and to reference values by early spring of 2003, just over a year after the initiation of the harvest, except for NO 3- concentrations, which remained elevated above background 18-20 months after completion of the cut.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Forest Ecology and Management","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.foreco.2005.10.060","issn":"03781127","usgsCitation":"Wang, X., Burns, D.A., Yanai, R., Briggs, R., and Germain, R., 2006, Changes in stream chemistry and nutrient export following a partial harvest in the Catskill Mountains, New York, USA: Forest Ecology and Management, v. 223, no. 1-3, p. 103-112, https://doi.org/10.1016/j.foreco.2005.10.060.","startPage":"103","endPage":"112","numberOfPages":"10","costCenters":[],"links":[{"id":212056,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.foreco.2005.10.060"},{"id":239466,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"223","issue":"1-3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059f42be4b0c8380cd4bba3","contributors":{"authors":[{"text":"Wang, X.","contributorId":22076,"corporation":false,"usgs":true,"family":"Wang","given":"X.","email":"","affiliations":[],"preferred":false,"id":428347,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Burns, Douglas A. 0000-0001-6516-2869","orcid":"https://orcid.org/0000-0001-6516-2869","contributorId":29450,"corporation":false,"usgs":true,"family":"Burns","given":"Douglas","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":428348,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Yanai, R.D.","contributorId":14196,"corporation":false,"usgs":true,"family":"Yanai","given":"R.D.","email":"","affiliations":[],"preferred":false,"id":428346,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Briggs, R.D.","contributorId":79704,"corporation":false,"usgs":true,"family":"Briggs","given":"R.D.","email":"","affiliations":[],"preferred":false,"id":428350,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Germain, R.H.","contributorId":41652,"corporation":false,"usgs":true,"family":"Germain","given":"R.H.","affiliations":[],"preferred":false,"id":428349,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70030969,"text":"70030969 - 2006 - Concurrent assessment of fish and habitat in warmwater streams in Wyoming","interactions":[],"lastModifiedDate":"2012-03-12T17:21:15","indexId":"70030969","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1659,"text":"Fisheries Management and Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Concurrent assessment of fish and habitat in warmwater streams in Wyoming","docAbstract":"Fisheries research and management in North America have focused largely on sport fishes, but native non-game fishes have attracted increased attention due to their declines. The Warmwater Stream Assessment (WSA) was developed to evaluate simultaneously both fish and habitat in Wyoming streams by a process that includes three major components: (1) stream-reach selection and accumulation of existing information, (2) fish and habitat sampling and (3) summarisation and evaluation of fish and habitat information. Fish are sampled by electric fishing or seining and habitat is measured at reach and channel-unit (i.e. pool, run, riffle, side channel, or backwater) scales. Fish and habitat data are subsequently summarised using a data-matrix approach. Hierarchical decision trees are used to assess critical habitat requirements for each fish species expected or found in the reach. Combined measurements of available habitat and the ecology of individual species contribute to the evaluation of the observed fish assemblage. The WSA incorporates knowledge of the fish assemblage and habitat features to enable inferences of factors likely influencing both the fish assemblage and their habitat. The WSA was developed for warmwater streams in Wyoming, but its philosophy, process and conceptual basis may be applied to environmental assessments in other geographical areas. ?? 2006 Blackwell Publishing Ltd.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Fisheries Management and Ecology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1111/j.1365-2400.2006.00463.x","issn":"0969997X","usgsCitation":"Quist, M., Hubert, W., and Rahel, F., 2006, Concurrent assessment of fish and habitat in warmwater streams in Wyoming: Fisheries Management and Ecology, v. 13, no. 1, p. 9-20, https://doi.org/10.1111/j.1365-2400.2006.00463.x.","startPage":"9","endPage":"20","numberOfPages":"12","costCenters":[],"links":[{"id":211447,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1365-2400.2006.00463.x"},{"id":238738,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"13","issue":"1","noUsgsAuthors":false,"publicationDate":"2006-01-23","publicationStatus":"PW","scienceBaseUri":"5059f9b2e4b0c8380cd4d72b","contributors":{"authors":[{"text":"Quist, M.C. 0000-0001-8268-1839","orcid":"https://orcid.org/0000-0001-8268-1839","contributorId":62805,"corporation":false,"usgs":true,"family":"Quist","given":"M.C.","affiliations":[],"preferred":false,"id":429441,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hubert, W.A.","contributorId":12822,"corporation":false,"usgs":true,"family":"Hubert","given":"W.A.","email":"","affiliations":[],"preferred":false,"id":429440,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Rahel, F.J.","contributorId":82037,"corporation":false,"usgs":true,"family":"Rahel","given":"F.J.","affiliations":[],"preferred":false,"id":429442,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70030735,"text":"70030735 - 2006 - A discovery of extremely-enriched boehmite from coal in the Junger Coalfield, the northeastern Ordos Basin","interactions":[],"lastModifiedDate":"2012-03-12T17:21:18","indexId":"70030735","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":634,"text":"Acta Geologica Sinica","active":true,"publicationSubtype":{"id":10}},"title":"A discovery of extremely-enriched boehmite from coal in the Junger Coalfield, the northeastern Ordos Basin","docAbstract":"The authors found an extremely-enriched boehmite and its associated minerals for the first time in the super-thick No. 6 coal seam from the Junger Coalfield in the northeastern Ordos Basin by using technologies including the X-ray diffraction analysis (XRD), scanning electron microscope equipped with an energy dispersive X-ray spectrometer, and optical microscope. The content of boehmite is as high as 13.1%, and the associated minerals are goyazite, zircon, rutile, goethite, galena, clausthalite, and selenio-galena. The heavy minerals assemblage is similar to that in the bauxite of the Benxi Formation from North China. The high boehmite in coal is mainly from weathering crust bauxite of the Benxi Formation from the northeastern coal-accumulation basin. The gibbsite colloidstone solution was removed from bauxite to the peat mire, and boehmite was formed via compaction and dehydration of gibbsite colloidstone solution in the period of peat accumulation and early period of diagenesis.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Acta Geologica Sinica","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"Chinese","issn":"00015717","usgsCitation":"Dai, S., Ren, D., Li, S., and Chou, C., 2006, A discovery of extremely-enriched boehmite from coal in the Junger Coalfield, the northeastern Ordos Basin: Acta Geologica Sinica, v. 80, no. 2, p. 294-300.","startPage":"294","endPage":"300","numberOfPages":"7","costCenters":[],"links":[{"id":238723,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"80","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059e3c1e4b0c8380cd461e2","contributors":{"authors":[{"text":"Dai, S.","contributorId":9757,"corporation":false,"usgs":true,"family":"Dai","given":"S.","email":"","affiliations":[],"preferred":false,"id":428450,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ren, D.","contributorId":79212,"corporation":false,"usgs":true,"family":"Ren","given":"D.","email":"","affiliations":[],"preferred":false,"id":428453,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Li, S.","contributorId":41969,"corporation":false,"usgs":true,"family":"Li","given":"S.","email":"","affiliations":[],"preferred":false,"id":428451,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Chou, C.","contributorId":66056,"corporation":false,"usgs":true,"family":"Chou","given":"C.","affiliations":[],"preferred":false,"id":428452,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70030970,"text":"70030970 - 2006 - Site-specific effects on productivity of an upper trophic-level marine predator: Bottom-up, top-down, and mismatch effects on reproduction in a colonial seabird","interactions":[],"lastModifiedDate":"2012-03-12T17:21:15","indexId":"70030970","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3194,"text":"Progress in Oceanography","active":true,"publicationSubtype":{"id":10}},"title":"Site-specific effects on productivity of an upper trophic-level marine predator: Bottom-up, top-down, and mismatch effects on reproduction in a colonial seabird","docAbstract":"We investigated the relative roles of bottom-up and top-down factors in limiting productivity of an upper trophic level marine predator. Our primary working hypothesis was that the reproductive success of black-legged kittiwakes (Rissa tridactyla) a piscivorous, colonial-nesting seabird, was most limited by the abundance, distribution, and species composition of surface-schooling forage fishes. A secondary working hypothesis was that reproductive loss to kittiwake nest predators was greatest during years of reduced prey availability. We report on a broad-scale, integrated study of kittiwakes and their prey in Prince William Sound, Alaska. Our study spanned five breeding seasons (1995-1999) and focused on three colonies that differed in size (ranging from ca. 220 to ca. 7000 breeding pairs) and proximity to each other (50-135 km apart). Kittiwakes in PWS encountered a variety of aquatic habitats, creating a complex foraging environment for breeding birds. We measured kittiwake reproductive success and foraging activities, while simultaneously measuring the abundance of surface schooling forage fishes throughout the foraging range of breeding kittiwakes. The abundance of primary prey species for kittiwakes (Pacific herring Clupea pallasi, Pacific sand lance Ammodytes hexapterus, and capelin Mallotus villosus) varied both annually and regionally, with no one region consistently having the greatest abundance of prey. Likewise, kittiwake reproductive success varied considerably among colonies and years. We found that bottom-up, top-down, timing mismatch, and colony-specific effects were all important to kittiwake productivity. Although bottom-up effects appeared to be strongest, they were not evident in some cases until other effects, such as geographic location (proximity of colony to prey concentrations) and top-down predation, were considered. Important bottom-up effects on kittiwake reproductive success were not only total prey abundance and distribution, but also species, age composition, and chronology of prey occurrence (match/mismatch of timing with critical brood-rearing periods); these effects varied by colony. Top-down effects of predation on kittiwake nest contents (independent of prey abundance) confounded seabird-forage fish relationships. Ultimately, when confounding factors were minimized, non-linear asymptotic relationships were identified between kittiwakes and their prey, with an asymptotic threshold of fish school surface area density of ca. 5 m2/km2, beyond which top-down, physiological, or phylogenetic constraints likely restrict further reproductive output. The integrated approach of our investigations provided a more thorough understanding of the mechanisms underlying predator-prey relationships in the complex marine environment. However, such mechanistic theories can only be tested and refined through long-term research and monitoring of much greater duration than the 5-year study reported herein. ?? 2006 Elsevier Ltd. All rights reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Progress in Oceanography","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.pocean.2006.02.006","issn":"00796611","usgsCitation":"Suryan, R., Irons, D., Brown, E., Jodice, P., and Roby, D., 2006, Site-specific effects on productivity of an upper trophic-level marine predator: Bottom-up, top-down, and mismatch effects on reproduction in a colonial seabird: Progress in Oceanography, v. 68, no. 2-4, p. 303-328, https://doi.org/10.1016/j.pocean.2006.02.006.","startPage":"303","endPage":"328","numberOfPages":"26","costCenters":[],"links":[{"id":211448,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.pocean.2006.02.006"},{"id":238739,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"68","issue":"2-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b90fee4b08c986b31971a","contributors":{"authors":[{"text":"Suryan, R.M.","contributorId":52919,"corporation":false,"usgs":true,"family":"Suryan","given":"R.M.","email":"","affiliations":[],"preferred":false,"id":429444,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Irons, D.B.","contributorId":52922,"corporation":false,"usgs":true,"family":"Irons","given":"D.B.","email":"","affiliations":[],"preferred":false,"id":429445,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Brown, E.D.","contributorId":12261,"corporation":false,"usgs":true,"family":"Brown","given":"E.D.","email":"","affiliations":[],"preferred":false,"id":429443,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Jodice, P.G.R.","contributorId":79846,"corporation":false,"usgs":true,"family":"Jodice","given":"P.G.R.","email":"","affiliations":[],"preferred":false,"id":429447,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Roby, D.D. 0000-0001-9844-0992","orcid":"https://orcid.org/0000-0001-9844-0992","contributorId":70944,"corporation":false,"usgs":true,"family":"Roby","given":"D.D.","affiliations":[],"preferred":false,"id":429446,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70030974,"text":"70030974 - 2006 - Land-use effects on erosion, sediment yields, and reservoir sedimentation: A case study in the Lago Loiza Basin, Puerto Rico","interactions":[],"lastModifiedDate":"2021-07-07T11:56:26.762221","indexId":"70030974","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3059,"text":"Physical Geography","active":true,"publicationSubtype":{"id":10}},"title":"Land-use effects on erosion, sediment yields, and reservoir sedimentation: A case study in the Lago Loiza Basin, Puerto Rico","docAbstract":"<p>Lago Loíza impounded in 1953 to supply San Juan, Puerto Rico, with drinking water; by 1994, it had lost 47% of its capacity. To characterize sedimentation in Lago Loíza, a study combining land-use history, hillslope erosion rates, and subbasin sediment yields was conducted. Sedimentation rates during the early part of the reservoir’s operation (1953– 1963) were slightly higher than the rates during 1964–1990. In the early history of the reservoir, cropland comprised 48% of the basin and erosion rates were high. Following economic shifts during the 1960s, cropland was abandoned and replaced by forest, which increased from 7.6% in 1950 to 20.6% in 1987. These land-use changes follow a pattern similar to the northeastern United States. Population in the Lago Loíza Basin increased 77% from 1950 to 1990, and housing units increased 194%. Sheetwash erosion measured from 1991 to 1993 showed construction sites had the highest sediment concentration (61,400 ppm), followed by cropland (47,400 ppm), pasture (3510 ppm), and forest (2050 ppm). This study illustrates how a variety of tools and approaches can be used to understand the complex interaction between land use, upland erosion, fluvial sediment transport and storage, and reservoir sedimentation.&nbsp;</p>","language":"English","publisher":"Taylor & Francis","doi":"10.2747/0272-3646.27.1.39","issn":"02723646","usgsCitation":"Gellis, A.C., Webb, R., McIntyre, S.C., and Wolfe, W.J., 2006, Land-use effects on erosion, sediment yields, and reservoir sedimentation: A case study in the Lago Loiza Basin, Puerto Rico: Physical Geography, v. 27, no. 1, p. 39-69, https://doi.org/10.2747/0272-3646.27.1.39.","productDescription":"31 p.","startPage":"39","endPage":"69","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":374,"text":"Maryland Water Science Center","active":true,"usgs":true},{"id":581,"text":"Tennessee Water Science Center","active":true,"usgs":true}],"links":[{"id":386952,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Puerto Rico","otherGeospatial":"Lago Loíza basin","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -66.08482360839844,\n              18.116486967618844\n            ],\n            [\n              -65.84312438964844,\n              18.116486967618844\n            ],\n            [\n              -65.84312438964844,\n              18.364300951402384\n            ],\n            [\n              -66.08482360839844,\n              18.364300951402384\n            ],\n            [\n              -66.08482360839844,\n              18.116486967618844\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"27","issue":"1","noUsgsAuthors":false,"publicationDate":"2013-05-15","publicationStatus":"PW","scienceBaseUri":"505a43bee4b0c8380cd665a9","contributors":{"authors":[{"text":"Gellis, Allen C. 0000-0002-3449-2889 agellis@usgs.gov","orcid":"https://orcid.org/0000-0002-3449-2889","contributorId":197684,"corporation":false,"usgs":true,"family":"Gellis","given":"Allen","email":"agellis@usgs.gov","middleInitial":"C.","affiliations":[{"id":374,"text":"Maryland Water Science Center","active":true,"usgs":true}],"preferred":true,"id":429460,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Webb, Richard M. T. 0000-0001-9531-2207","orcid":"https://orcid.org/0000-0001-9531-2207","contributorId":35772,"corporation":false,"usgs":true,"family":"Webb","given":"Richard M. T.","affiliations":[],"preferred":false,"id":429459,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McIntyre, S. C.","contributorId":85992,"corporation":false,"usgs":false,"family":"McIntyre","given":"S.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":429458,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Wolfe, William J. 0000-0002-3292-051X wjwolfe@usgs.gov","orcid":"https://orcid.org/0000-0002-3292-051X","contributorId":140060,"corporation":false,"usgs":true,"family":"Wolfe","given":"William","email":"wjwolfe@usgs.gov","middleInitial":"J.","affiliations":[{"id":581,"text":"Tennessee Water Science Center","active":true,"usgs":true}],"preferred":false,"id":429457,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70030972,"text":"70030972 - 2006 - Partitioning evapotranspiration in sparsely vegetated rangeland using a portable chamber","interactions":[],"lastModifiedDate":"2018-10-22T10:38:39","indexId":"70030972","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3722,"text":"Water Resources Research","onlineIssn":"1944-7973","printIssn":"0043-1397","active":true,"publicationSubtype":{"id":10}},"title":"Partitioning evapotranspiration in sparsely vegetated rangeland using a portable chamber","docAbstract":"<p><span>A portable chamber was used to separate evapotranspiration (</span><i>ET</i><span>) from a sparse, mixed‐species shrub canopy in southeastern Arizona, United States, into vegetation and soil components. Chamber measurements were made of<span>&nbsp;</span></span><i>ET</i><span><span>&nbsp;</span>from the five dominant species, and from bare soil, on 3 days during the monsoon season when the soil surface was dry. The chamber measurements were assembled into landscape<span>&nbsp;</span></span><i>ET</i><span><span>&nbsp;</span>using a simple geometric model of the vegetated land surface. Chamber estimates of landscape<span>&nbsp;</span></span><i>ET</i><span><span>&nbsp;</span>were well correlated with, but about 26% greater than, simultaneous eddy‐correlation measurements. Excessive air speed inside the chamber appears to be the primary cause of the overestimate. Overall, transpiration accounted for 84% of landscape<span>&nbsp;</span></span><i>ET</i><span>, and bare soil evaporation for 16%. Desert zinnia, a small (∼0.1 m high) but abundant species, was the greatest water user, both per unit area of shrub and of landscape. Partitioning of<span>&nbsp;</span></span><i>ET</i><span>into components varied as a function of air temperature and shallow soil moisture. Transpiration from shorter species was more highly correlated with air temperature whereas transpiration from taller species was more highly correlated with shallow soil moisture. Application of these results to a full drying cycle between rainfalls at a similar site suggests that during the monsoon,<span>&nbsp;</span></span><i>ET</i><span><span>&nbsp;</span>at such sites may be about equally partitioned between transpiration and bare soil evaporation.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/2005WR004251","usgsCitation":"Stannard, D.I., and Weltz, M.A., 2006, Partitioning evapotranspiration in sparsely vegetated rangeland using a portable chamber: Water Resources Research, v. 42, no. 2, W02413; 13 p., https://doi.org/10.1029/2005WR004251.","productDescription":"W02413; 13 p.","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":477392,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2005wr004251","text":"Publisher Index Page"},{"id":238773,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"42","issue":"2","noUsgsAuthors":false,"publicationDate":"2006-02-22","publicationStatus":"PW","scienceBaseUri":"505a753ee4b0c8380cd77a77","contributors":{"authors":[{"text":"Stannard, David I. distanna@usgs.gov","contributorId":562,"corporation":false,"usgs":true,"family":"Stannard","given":"David","email":"distanna@usgs.gov","middleInitial":"I.","affiliations":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":false,"id":429452,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Weltz, Mark A.","contributorId":75790,"corporation":false,"usgs":false,"family":"Weltz","given":"Mark","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":429451,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70030716,"text":"70030716 - 2006 - Insect visitation and pollen deposition in an invaded prairie plant community","interactions":[],"lastModifiedDate":"2012-03-12T17:21:10","indexId":"70030716","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1015,"text":"Biological Conservation","active":true,"publicationSubtype":{"id":10}},"title":"Insect visitation and pollen deposition in an invaded prairie plant community","docAbstract":"Invasive plants with large flowering displays have been shown to compete with native plants for pollinator services, often to the detriment of native plant fitness. In this study, we compare the pollinator communities and pollen deposited on stigmas of native plant species within and away from stands of the invasive alien plant, leafy spurge (Euphorbia esula) at a large natural area in North Dakota, USA. Specifically, we ask if infestation influences (1) visitation rates and taxonomic composition of visitors to native flowers, and (2) the amount of conspecific pollen, number of pollen species, and proportion of heterospecific pollen on stigmas of native plants. We observed visits to selected native species during May and June 2000 and 2001. Stigmas were collected from a subsample of the flowers within these plots, squashed, and the pollen identified and counted under a light microscope. Visitation varied between years and among species of native plants: infestation had mixed effects in 2000 but visitation, especially by halictids was always lower within infestations in 2001. Despite differences in visitation between years, we found significantly less conspecific pollen on stigmas from infested plots in six of eight cases; we never found significantly more conspecific pollen on stigmas from within infestations. Our results emphasize the temporal variability in plant-pollinator relations and the added complexity imposed by an invasive species that will always make prediction of effects difficult. Nonetheless, the consistently lower conspecific pollen counts on native stigmas within infestations, regardless of visitation, suggest the likelihood of negative effects. ?? 2005 Elsevier Ltd. All rights reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Biological Conservation","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.biocon.2005.12.009","issn":"00063207","usgsCitation":"Larson, D., Royer, R., and Royer, M., 2006, Insect visitation and pollen deposition in an invaded prairie plant community: Biological Conservation, v. 130, no. 1, p. 148-159, https://doi.org/10.1016/j.biocon.2005.12.009.","startPage":"148","endPage":"159","numberOfPages":"12","costCenters":[],"links":[{"id":239535,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":212110,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.biocon.2005.12.009"}],"volume":"130","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a3c13e4b0c8380cd62a53","contributors":{"authors":[{"text":"Larson, D.L. 0000-0001-5202-0634","orcid":"https://orcid.org/0000-0001-5202-0634","contributorId":69501,"corporation":false,"usgs":true,"family":"Larson","given":"D.L.","affiliations":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":428365,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Royer, R.A.","contributorId":99500,"corporation":false,"usgs":true,"family":"Royer","given":"R.A.","email":"","affiliations":[],"preferred":false,"id":428367,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Royer, M.R.","contributorId":81456,"corporation":false,"usgs":true,"family":"Royer","given":"M.R.","email":"","affiliations":[],"preferred":false,"id":428366,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70030718,"text":"70030718 - 2006 - Comparative ecology of the Flammulated Owl and Northern Saw-whet Owl during fall migration","interactions":[],"lastModifiedDate":"2012-03-12T17:21:15","indexId":"70030718","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","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":"Comparative ecology of the Flammulated Owl and Northern Saw-whet Owl during fall migration","docAbstract":"We compared the migration ecology of two owl species that exhibit different migration strategies: the Flammulated Owl (Otus flammeolus) and the Northern Saw-whet Owl (Aegolius acadicus). During fall 1999-2004, we captured 117 Flammulated Owls and 1433 Northern Saw-whet Owls in the southern Boise Mountains of southwestern Idaho. These owl species exhibited contrasting seasonal timing and body condition. Flammulated Owl captures peaked in mid-September and Northern Saw-whet Owl captures peaked in early to mid-October. Flammulated Owls displayed greater body condition than Northern Saw-whet Owls and increasing condition scores during the season, whereas Northern Saw-whet Owls had no apparent seasonal condition patterns. Based on seasonal timing of captures, both species showed unimodal movement patterns characteristic of fall migrants. However, in 1999 both species' capture rates were at least double those in other years of this study. Flammulated Owls' earlier arrival and departure, coupled with superior body condition, were consistent among years and typical of a long-distance migration strategy. In contrast, the Northern Saw-whet Owls' later arrival, more lengthy passage, and variable body condition were more characteristic of a short-distance migrant strategy. Furthermore, Northern Saw-whet Owls' body condition was significantly lower during the irruptive year than during nonirruptive years, supporting the notion that population density affects their migratory condition. ?? 2006 The Raptor Research Foundation, Inc.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Raptor Research","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","issn":"08921016","usgsCitation":"Stock, S., Heglund, P., Kaltenecker, G., Carlisle, J., and Leppert, L., 2006, Comparative ecology of the Flammulated Owl and Northern Saw-whet Owl during fall migration: Journal of Raptor Research, v. 40, no. 2, p. 120-129.","startPage":"120","endPage":"129","numberOfPages":"10","costCenters":[],"links":[{"id":239573,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"40","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059f817e4b0c8380cd4ce8f","contributors":{"authors":[{"text":"Stock, S.L.","contributorId":99374,"corporation":false,"usgs":true,"family":"Stock","given":"S.L.","email":"","affiliations":[],"preferred":false,"id":428377,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Heglund, P.J.","contributorId":44505,"corporation":false,"usgs":true,"family":"Heglund","given":"P.J.","email":"","affiliations":[],"preferred":false,"id":428374,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kaltenecker, G.S.","contributorId":80489,"corporation":false,"usgs":true,"family":"Kaltenecker","given":"G.S.","affiliations":[],"preferred":false,"id":428376,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Carlisle, J.D.","contributorId":16221,"corporation":false,"usgs":true,"family":"Carlisle","given":"J.D.","email":"","affiliations":[],"preferred":false,"id":428373,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Leppert, L.","contributorId":64024,"corporation":false,"usgs":true,"family":"Leppert","given":"L.","affiliations":[],"preferred":false,"id":428375,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70030717,"text":"70030717 - 2006 - Do geese fully develop brood patches? A histological analysis of lesser snow geese (Chen caerulescens caerulescens) and Ross's geese (C. rossii)","interactions":[],"lastModifiedDate":"2012-03-12T17:21:10","indexId":"70030717","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2226,"text":"Journal of Comparative Physiology B: Biochemical, Systemic, and Environmental Physiology","active":true,"publicationSubtype":{"id":10}},"title":"Do geese fully develop brood patches? A histological analysis of lesser snow geese (Chen caerulescens caerulescens) and Ross's geese (C. rossii)","docAbstract":"Most birds develop brood patches before incubation; epidermis and dermis in the brood patch region thicken, and the dermal connective tissue becomes increasingly vascularized and infiltrated by leukocytes. However, current dogma states that waterfowl incubate without modifications of skin within the brood patch region. The incubation periods of lesser snow geese (Chen caerulescens caerulescens; hereafter called snow geese) and Ross's geese (C. rossii) are 2-6 days shorter than those of other goose species; only females incubate. Thus, we hypothesized that such short incubation periods would require fully developed brood patches for sufficient heat transfer from incubating parents to eggs. We tested this hypothesis by analyzing the skin histology of abdominal regions of snow and Ross's geese collected at Karrak Lake, Nunavut, Canada. For female snow geese, we found that epidermis and dermis had thickened and vascularization of dermis was 14 times greater, on average, than that observed in males (n=5 pairs). Our results for Ross's geese (n=5 pairs) were more variable, wherein only one of five female Ross's geese fully developed a brood patch. Our results are consistent with three hypotheses about brood patch development and its relationship with different energetic cost-benefit relationships, resulting from differences in embryonic development and body size. ?? Springer-Verlag 2006.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Comparative Physiology B: Biochemical, Systemic, and Environmental Physiology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1007/s00360-006-0066-y","issn":"01741578","usgsCitation":"Jonsson, J., Afton, A., Homberger, D., Henk, W., and Alisauskas, R., 2006, Do geese fully develop brood patches? A histological analysis of lesser snow geese (Chen caerulescens caerulescens) and Ross's geese (C. rossii): Journal of Comparative Physiology B: Biochemical, Systemic, and Environmental Physiology, v. 176, no. 5, p. 453-462, https://doi.org/10.1007/s00360-006-0066-y.","startPage":"453","endPage":"462","numberOfPages":"10","costCenters":[],"links":[{"id":212111,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s00360-006-0066-y"},{"id":239536,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"176","issue":"5","noUsgsAuthors":false,"publicationDate":"2006-01-24","publicationStatus":"PW","scienceBaseUri":"505a0361e4b0c8380cd50466","contributors":{"authors":[{"text":"Jonsson, J.E.","contributorId":61623,"corporation":false,"usgs":true,"family":"Jonsson","given":"J.E.","email":"","affiliations":[],"preferred":false,"id":428369,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Afton, A. D.","contributorId":83467,"corporation":false,"usgs":true,"family":"Afton","given":"A. D.","affiliations":[],"preferred":false,"id":428371,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Homberger, D.G.","contributorId":56033,"corporation":false,"usgs":true,"family":"Homberger","given":"D.G.","email":"","affiliations":[],"preferred":false,"id":428368,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Henk, W.G.","contributorId":64891,"corporation":false,"usgs":true,"family":"Henk","given":"W.G.","email":"","affiliations":[],"preferred":false,"id":428370,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Alisauskas, R.T.","contributorId":89645,"corporation":false,"usgs":true,"family":"Alisauskas","given":"R.T.","affiliations":[],"preferred":false,"id":428372,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":1008621,"text":"1008621 - 2006 - Evaluating plant invasions from both habitat and species perspectives","interactions":[],"lastModifiedDate":"2024-04-25T15:57:02.270362","indexId":"1008621","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3746,"text":"Western North American Naturalist","onlineIssn":"1944-8341","printIssn":"1527-0904","active":true,"publicationSubtype":{"id":10}},"title":"Evaluating plant invasions from both habitat and species perspectives","docAbstract":"<p>We present an approach to quantitatively assess nonnative plant invasions at landscape scales from both habitat and species perspectives. Our case study included 34 nonnative species found in 142 plots (0.1 ha) in 14 vegetation types within the Grand Staircase&ndash;Escalante National Monument, Utah. A plot invasion index, based on nonnative species richness and cover, showed that only 16 of 142 plots were heavily invaded. A species invasive index, based on frequency, cover, and number of vegetation types invaded, showed that only 7 of 34 plant species were highly invasive. Multiple regressions using habitat characteristics (moisture index, elevation, soil P, native species richness, maximum crust development class, bare ground, and rock) explained 60% of variation in nonnative species richness and 46% of variation in nonnative species cover. Three mesic habitats (aspen, wet meadow, and perennial riparian types) were particularly invaded (31 of 34 nonnative species studied were found in these types). Species-specific logistic regression models for the 7 most invasive species correctly predicted occurrence 89% of the time on average (from 80% for <i>Bromus tectorum</i>, a habitat generalist, to 93% for <i>Tamarix</i> spp., a habitat specialist). Even with such a modest sampling intensity (&lt;0.1% of the landscape), this multiscale sampling scheme was effective at evaluating habitat vulnerability to invasion and the occurrence of the 7 most invasive nonnative species. This approach could be applied in other natural areas to develop strategies to document invasive species and invaded habitats.</p>","language":"English","publisher":"Monte L. Bean Life Science Museum","doi":"10.3398/1527-0904(2006)66[92:EPIFBH]2.0.CO;2","usgsCitation":"Chong, G., Otsuki, Y., Stohlgren, T., Guenther, D., Evangelista, P., Villa, C., and Waters, M., 2006, Evaluating plant invasions from both habitat and species perspectives: Western North American Naturalist, v. 66, no. 1, p. 92-105, https://doi.org/10.3398/1527-0904(2006)66[92:EPIFBH]2.0.CO;2.","productDescription":"14 p.","startPage":"92","endPage":"105","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"links":[{"id":487341,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://scholarsarchive.byu.edu/wnan/vol66/iss1/8","text":"External Repository"},{"id":428111,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Utah","otherGeospatial":"Grand Staircase–Escalante National Monument","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -111.91085815429688,\n              37.00035919622158\n            ],\n            [\n              -111.91085815429688,\n              37.327580637137665\n            ],\n            [\n              -111.41372680664061,\n              37.327580637137665\n            ],\n            [\n              -111.41372680664061,\n              37.00035919622158\n            ],\n            [\n              -111.91085815429688,\n              37.00035919622158\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"66","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a09e4b07f02db5fb10a","contributors":{"authors":[{"text":"Chong, G.W.","contributorId":54153,"corporation":false,"usgs":true,"family":"Chong","given":"G.W.","email":"","affiliations":[],"preferred":false,"id":318269,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Otsuki, Yuka","contributorId":23107,"corporation":false,"usgs":false,"family":"Otsuki","given":"Yuka","email":"","affiliations":[],"preferred":false,"id":318268,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Stohlgren, T.J.","contributorId":7217,"corporation":false,"usgs":true,"family":"Stohlgren","given":"T.J.","email":"","affiliations":[],"preferred":false,"id":318265,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Guenther, D.","contributorId":21902,"corporation":false,"usgs":true,"family":"Guenther","given":"D.","email":"","affiliations":[],"preferred":false,"id":318266,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Evangelista, P.","contributorId":21903,"corporation":false,"usgs":true,"family":"Evangelista","given":"P.","email":"","affiliations":[],"preferred":false,"id":318267,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Villa, C.","contributorId":6407,"corporation":false,"usgs":true,"family":"Villa","given":"C.","email":"","affiliations":[],"preferred":false,"id":318264,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Waters, M.A.","contributorId":102032,"corporation":false,"usgs":true,"family":"Waters","given":"M.A.","email":"","affiliations":[],"preferred":false,"id":318270,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70044384,"text":"70044384 - 2006 - Mineral of the month: dimension stone","interactions":[],"lastModifiedDate":"2013-05-07T10:29:13","indexId":"70044384","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1829,"text":"Geotimes","active":true,"publicationSubtype":{"id":10}},"title":"Mineral of the month: dimension stone","docAbstract":"No abstract available","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geotimes","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"American Geosciences Institute","publisherLocation":"Alexandria, VA","usgsCitation":"Dolley, T., 2006, Mineral of the month: dimension stone: Geotimes, v. 2006, no. March.","ipdsId":"IP-039283","costCenters":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"links":[{"id":270431,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":270430,"type":{"id":11,"text":"Document"},"url":"https://www.geotimes.org/mar06/"}],"volume":"2006","issue":"March","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"515aac63e4b0105540728a3d","contributors":{"authors":[{"text":"Dolley, Thomas tdolley@usgs.gov","contributorId":970,"corporation":false,"usgs":true,"family":"Dolley","given":"Thomas","email":"tdolley@usgs.gov","affiliations":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"preferred":true,"id":475486,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70030781,"text":"70030781 - 2006 - Microbial reduction of Fe(III) in the Fifthian and Muloorina illites: Contrasting extents and rates of bioreduction","interactions":[],"lastModifiedDate":"2018-03-29T16:18:19","indexId":"70030781","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1245,"text":"Clays and Clay Minerals","onlineIssn":"1552-8367","printIssn":"0009-8604","active":true,"publicationSubtype":{"id":10}},"title":"Microbial reduction of Fe(III) in the Fifthian and Muloorina illites: Contrasting extents and rates of bioreduction","docAbstract":"<p><i>Shewanella putrefaciens</i><span><span>&nbsp;</span>CN32 reduces Fe(III) within two illites which have different properties: the Fithian bulk fraction and the &lt;0.2 m fraction of Muloorina. The Fithian illite contained 4.6% (w/w) total Fe, 81% of which was Fe(III). It was dominated by illite with some jarosite (∼32% of the total Fe(III)) and goethite (11% of the total Fe(III)). The Muloorina illite was pure and contained 9.2% Fe, 93% of which was Fe(III). Illite suspensions were buffered at pH 7 and were inoculated with CN32 cells with lactate as the electron donor. Select treatments included anthraquinone-2,6-disulfonate (AQDS) as an electron shuttle. Bioproduction of Fe(II) was determined by ferrozine analysis. The unreduced and bioreduced solids were characterized by Mössbauer spectroscopy, X-ray diffraction and transmission electron microscopy. The extent of Fe(III) reduction in the bulk Fithian illite was enhanced by the presence of AQDS (73%) with complete reduction of jarosite and goethite and partial reduction of illite. Mössbauer spectroscopy and chemical extraction determined that 21–25% of illite-associated Fe(III) was bioreduced. The extent of bioreduction was less in the absence of AQDS (63%) and only jarosite was completely reduced with partial reduction of goethite and illite. The XRD and TEM data revealed no significant illite dissolution or biogenic minerals, suggesting that illite was reduced in the solid state and biogenic Fe(II) from jarosite and goethite was either released to aqueous solution or adsorbed onto residual solid surfaces. In contrast, only 1% of the structural Fe(III) in Muloorina illite was bioreduced. The difference in the extent and rate of bioreduction between the two illites was probably due to the difference in layer charge and the total structural Fe content between the Fithian illite (0.56 per formula) and Muloorina illite (0.87). There may be other factors contributing to the observed differences, such as expandability, surface area and the arrangements of Fe in the octahedral sheets. The results of this study have important implications for predicting microbe-induced physical and chemical changes of clay minerals in soils and sediments.</span></p>","language":"English","publisher":"The Clay Minerals Society","doi":"10.1346/CCMN.2006.0540109","usgsCitation":"Seabaugh, J.L., Dong, H., Kukkadapu, R.K., Eberl, D.D., Morton, J.P., and Kim, J., 2006, Microbial reduction of Fe(III) in the Fifthian and Muloorina illites: Contrasting extents and rates of bioreduction: Clays and Clay Minerals, v. 54, no. 1, p. 67-79, https://doi.org/10.1346/CCMN.2006.0540109.","productDescription":"13 p.","startPage":"67","endPage":"79","costCenters":[],"links":[{"id":238956,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"54","issue":"1","noUsgsAuthors":false,"publicationDate":"2024-01-01","publicationStatus":"PW","scienceBaseUri":"505a5640e4b0c8380cd6d466","contributors":{"authors":[{"text":"Seabaugh, Jennifer L.","contributorId":52788,"corporation":false,"usgs":false,"family":"Seabaugh","given":"Jennifer","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":428647,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dong, Hailiang","contributorId":86868,"corporation":false,"usgs":false,"family":"Dong","given":"Hailiang","affiliations":[],"preferred":false,"id":428650,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kukkadapu, Ravi K.","contributorId":188091,"corporation":false,"usgs":false,"family":"Kukkadapu","given":"Ravi","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":428648,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Eberl, Dennis D.","contributorId":68388,"corporation":false,"usgs":true,"family":"Eberl","given":"Dennis","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":428649,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Morton, John P.","contributorId":60271,"corporation":false,"usgs":false,"family":"Morton","given":"John","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":428646,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Kim, J.","contributorId":9813,"corporation":false,"usgs":true,"family":"Kim","given":"J.","email":"","affiliations":[],"preferred":false,"id":428645,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70196854,"text":"70196854 - 2006 - The use of synthetic jarosite as an analog for natural jarosite","interactions":[],"lastModifiedDate":"2018-10-29T10:33:47","indexId":"70196854","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"The use of synthetic jarosite as an analog for natural jarosite","docAbstract":"<p>The presence of jarosite in soil or mining waste is an indicator of acidic sulfate-rich conditions. Physical and chemical properties of synthetic jarosites are commonly used as analogs in laboratory studies to determine solubility and acid-generation of naturally occurring jarosites. In our work we have mineralogically and chemically characterized both natural and synthetic jarosites. Analysis of 32 natural hydrothermal and supergene K- and Na-jarosites indicates no (&lt; 5 mole %) solid solution between K and Na end members. Instead, our detailed study of cell dimensions and composition reveals discrete mixtures of K and Na end members. Hydronium-bearing jarosite was detected in only one natural sample, and it appears that hydronium-bearing jarosites are metastable. Although the presence of hydronium in jarosite cannot be directly measured, we found that when synthetic hydronium-bearing jarosites are heated at 120°C for 78 days or 240°C for 24 hours, Fe(OH)SO4 is formed. The Fe(OH)SO4 is easily detected by X-ray diffraction and, hence, can be used as a post-mortem indicator of the presence of hydronium jarosite. Results from our synthetic jarosite studies indicate that natural metastable hydronium-bearing jarosite or iron-deficient forms of natural jarosite likely play an important role in acid generation in some mining wastes, but are not accurately represented by synthetic jarosite prepared by commonly used methods. The widespread practice of heating to at least 110°C after jarosite synthesis appears to drive off structural waters from protonated hydroxyl sites, which changes the properties of the jarosite. Therefore, synthetic jarosite should not be heated above 95 oC if it is to be used as an analog for low-temperature natural jarosite in mining wastes.</p>","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Proceedings of the 7th International Conference on Acid Rock Drainage (ICARD)","largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"7th International Conference on Acid Rock Drainage (ICARD)","conferenceDate":"March 26-20, 2006","conferenceLocation":"St. Louis, MO","language":"English","doi":"10.21000/JASMR06020458","usgsCitation":"Desborough, G.A., Smith, K.S., Lowers, H., Swayze, G.A., Hammarstrom, J.M., Diehl, S.F., Driscoll, R.L., and Leinz, R.W., 2006, The use of synthetic jarosite as an analog for natural jarosite, <i>in</i> Proceedings of the 7th International Conference on Acid Rock Drainage (ICARD), St. Louis, MO, March 26-20, 2006, p. 458-474, https://doi.org/10.21000/JASMR06020458.","productDescription":"17 p.","startPage":"458","endPage":"474","costCenters":[{"id":245,"text":"Eastern Mineral and Environmental Resources Science Center","active":true,"usgs":true},{"id":35995,"text":"Geology, Geophysics, and Geochemistry Science Center","active":true,"usgs":true}],"links":[{"id":488769,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"http://doi.org/10.21000/jasmr06020458","text":"Publisher Index Page"},{"id":353970,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationDate":"2006-06-30","publicationStatus":"PW","scienceBaseUri":"5aff01fae4b0da30c1bfcc3a","contributors":{"authors":[{"text":"Desborough, George A.","contributorId":101661,"corporation":false,"usgs":true,"family":"Desborough","given":"George","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":734738,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Smith, Kathleen S. 0000-0001-8547-9804 ksmith@usgs.gov","orcid":"https://orcid.org/0000-0001-8547-9804","contributorId":182,"corporation":false,"usgs":true,"family":"Smith","given":"Kathleen","email":"ksmith@usgs.gov","middleInitial":"S.","affiliations":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":734739,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lowers, Heather A. hlowers@usgs.gov","contributorId":149265,"corporation":false,"usgs":true,"family":"Lowers","given":"Heather A.","email":"hlowers@usgs.gov","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":734740,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Swayze, Gregg A. 0000-0002-1814-7823 gswayze@usgs.gov","orcid":"https://orcid.org/0000-0002-1814-7823","contributorId":518,"corporation":false,"usgs":true,"family":"Swayze","given":"Gregg","email":"gswayze@usgs.gov","middleInitial":"A.","affiliations":[{"id":309,"text":"Geology and Geophysics Science Center","active":true,"usgs":true},{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":734741,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Hammarstrom, Jane M. 0000-0003-2742-3460 jhammars@usgs.gov","orcid":"https://orcid.org/0000-0003-2742-3460","contributorId":1226,"corporation":false,"usgs":true,"family":"Hammarstrom","given":"Jane","email":"jhammars@usgs.gov","middleInitial":"M.","affiliations":[{"id":245,"text":"Eastern Mineral and Environmental Resources Science Center","active":true,"usgs":true},{"id":387,"text":"Mineral Resources Program","active":true,"usgs":true}],"preferred":true,"id":734742,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Diehl, Sharon F. diehl@usgs.gov","contributorId":1089,"corporation":false,"usgs":true,"family":"Diehl","given":"Sharon","email":"diehl@usgs.gov","middleInitial":"F.","affiliations":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":734743,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Driscoll, Rhonda L. 0000-0001-7725-8956 rdriscoll@usgs.gov","orcid":"https://orcid.org/0000-0001-7725-8956","contributorId":745,"corporation":false,"usgs":true,"family":"Driscoll","given":"Rhonda","email":"rdriscoll@usgs.gov","middleInitial":"L.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":734744,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Leinz, Reinhard W.","contributorId":60628,"corporation":false,"usgs":true,"family":"Leinz","given":"Reinhard","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":734745,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}}
,{"id":70030782,"text":"70030782 - 2006 - Differential estimates of southern flying squirrel (Glaucomys volans) population structure based on capture method","interactions":[],"lastModifiedDate":"2012-03-12T17:21:03","indexId":"70030782","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":737,"text":"American Midland Naturalist","active":true,"publicationSubtype":{"id":10}},"title":"Differential estimates of southern flying squirrel (Glaucomys volans) population structure based on capture method","docAbstract":"It is commonly assumed that population estimates derived from trapping small mammals are accurate and unbiased or that estimates derived from different capture methods are comparable. We captured southern flying squirrels (Glaucomys volans) using two methods to study their effect on red-cockaded woodpecker (Picoides borealis) reproductive success. Southern flying squirrels were captured at and removed from 30 red-cockaded woodpecker cluster sites during March to July 1994 and 1995 using Sherman traps placed in a grid encompassing a red-cockaded woodpecker nest tree and by hand from red-cockaded woodpecker cavities. Totals of 195 (1994) and 190 (1995) red-cockaded woodpecker cavities were examined at least three times each year. Trappability of southern flying squirrels in Sherman traps was significantly greater in 1995 (1.18%; 22,384 trap nights) than in 1994 (0.42%; 20,384 trap nights), and capture rate of southern flying squirrels in cavities was significantly greater in 1994 (22.7%; 502 cavity inspections) than in 1995 (10.8%; 555 cavity inspections). However, more southern flying squirrels were captured per cavity inspection than per Sherman trap night in both years. Male southern flying squirrels were more likely to be captured from cavities than in Sherman traps in 1994, but not in 1995. Both male and female juveniles were more likely to be captured in cavities than in traps in both years. In 1994 males in reproductive condition were more likely to be captured in cavities than in traps and in 1995 we captured significantly more reproductive females in cavities than in traps. Our data suggest that population estimates based solely on one trapping method may not represent true population size or structure of southern flying squirrels.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"American Midland Naturalist","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1674/0003-0031(2006)155[0237:DEOSFS]2.0.CO;2","issn":"00030031","usgsCitation":"Laves, K.S., and Loeb, S., 2006, Differential estimates of southern flying squirrel (Glaucomys volans) population structure based on capture method: American Midland Naturalist, v. 155, no. 1, p. 237-243, https://doi.org/10.1674/0003-0031(2006)155[0237:DEOSFS]2.0.CO;2.","startPage":"237","endPage":"243","numberOfPages":"7","costCenters":[],"links":[{"id":477634,"rank":10000,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://www.osti.gov/biblio/886946","text":"External Repository"},{"id":211659,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1674/0003-0031(2006)155[0237:DEOSFS]2.0.CO;2"},{"id":238991,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"155","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a00f8e4b0c8380cd4fa08","contributors":{"authors":[{"text":"Laves, K. S.","contributorId":94456,"corporation":false,"usgs":true,"family":"Laves","given":"K.","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":428652,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Loeb, S.C.","contributorId":41620,"corporation":false,"usgs":true,"family":"Loeb","given":"S.C.","email":"","affiliations":[],"preferred":false,"id":428651,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70028144,"text":"70028144 - 2006 - Steroid estrogens, nonylphenol ethoxylate metabolites, and other wastewater contaminants in groundwater affected by a residential septic system on Cape Cod, MA","interactions":[],"lastModifiedDate":"2020-09-10T16:07:32.735406","indexId":"70028144","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","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":"Steroid estrogens, nonylphenol ethoxylate metabolites, and other wastewater contaminants in groundwater affected by a residential septic system on Cape Cod, MA","docAbstract":"<div class=\"hlFld-Abstract\"><div id=\"abstractBox\"><p class=\"articleBody_abstractText\"><span>Septic systems serve approximately 25% of U.S. households and may be an important source of estrogenic and other organic wastewater contaminants (OWC) to groundwater. We monitored several estrogenic OWC, including nonylphenol (NP), nonylphenol mono- and diethoxycarboxylates (NP1EC and NP2EC), the steroid hormones 17β-estradiol (E2), estrone (E1) and their glucuronide and sulfate conjugates, and other OWC such as methylene blue active substances (MBAS), caffeine and its degradation product paraxanthine, and two fluorescent whitening agents in a residential septic system and in downgradient groundwater. E1 and E2 were present predominantly as free estrogens in groundwater, and near-source groundwater concentrations of all OWC were highest in the suboxic to anoxic portion of the wastewater plume, where concentrations of most OWC were similar to those observed in the septic tank on the same day. NP and NP2EC were up to 6- to 30-fold higher, and caffeine and paraxanthine were each 60-fold lower than septic tank concentrations, suggesting net production and removal, respectively, of these constituents. At the most shallow, oxic depth, concentrations of all OWC except for NP2EC were substantially lower than in the tank and in deeper wells. Yet boron, specific conductance, and the sum of nitrate-and ammonia-nitrogen were highest at this shallow depth, suggesting preferential losses of OWC along the more oxic flow lines. As far as 6.0 m downgradient, concentrations of many OWC were within a factor of 2 of near-source concentrations. The results suggest that there is the potential for migration of these OWC, which are unregulated and not routinely monitored, in groundwater.</span></p></div></div>","language":"English","publisher":"ACS Publications","doi":"10.1021/es052595","usgsCitation":"Swartz, C., Reddy, S., Benotti, M., Yin, H., Barber, L.B., Brownawell, B., and Rudel, R., 2006, Steroid estrogens, nonylphenol ethoxylate metabolites, and other wastewater contaminants in groundwater affected by a residential septic system on Cape Cod, MA: Environmental Science & Technology, v. 40, no. 16, p. 4894-4902, https://doi.org/10.1021/es052595.","productDescription":"9 p.","startPage":"4894","endPage":"4902","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":236842,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Massachsetts","otherGeospatial":"Cape Cod","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -70.938720703125,\n              41.42625319507269\n            ],\n            [\n              -69.6917724609375,\n              41.42625319507269\n            ],\n            [\n              -69.6917724609375,\n              42.15525946577863\n            ],\n            [\n              -70.938720703125,\n              42.15525946577863\n            ],\n            [\n              -70.938720703125,\n              41.42625319507269\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"40","issue":"16","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b9838e4b08c986b31bef0","contributors":{"authors":[{"text":"Swartz, C.H.","contributorId":60837,"corporation":false,"usgs":true,"family":"Swartz","given":"C.H.","email":"","affiliations":[],"preferred":false,"id":416748,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Reddy, S.","contributorId":74563,"corporation":false,"usgs":true,"family":"Reddy","given":"S.","email":"","affiliations":[],"preferred":false,"id":416750,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Benotti, M.J.","contributorId":21750,"corporation":false,"usgs":true,"family":"Benotti","given":"M.J.","affiliations":[],"preferred":false,"id":416745,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Yin, H.","contributorId":27661,"corporation":false,"usgs":true,"family":"Yin","given":"H.","email":"","affiliations":[],"preferred":false,"id":416746,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Barber, L. B.","contributorId":64602,"corporation":false,"usgs":true,"family":"Barber","given":"L.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":416749,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Brownawell, Bruce J.","contributorId":108264,"corporation":false,"usgs":true,"family":"Brownawell","given":"Bruce J.","affiliations":[],"preferred":false,"id":416751,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Rudel, R.A.","contributorId":29625,"corporation":false,"usgs":true,"family":"Rudel","given":"R.A.","email":"","affiliations":[],"preferred":false,"id":416747,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70030771,"text":"70030771 - 2006 - Combined interpretation of radar, hydraulic, and tracer data from a fractured-rock aquifer near Mirror Lake, New Hampshire, USA","interactions":[],"lastModifiedDate":"2019-10-15T16:15:38","indexId":"70030771","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1923,"text":"Hydrogeology Journal","active":true,"publicationSubtype":{"id":10}},"title":"Combined interpretation of radar, hydraulic, and tracer data from a fractured-rock aquifer near Mirror Lake, New Hampshire, USA","docAbstract":"<p class=\"Para\">An integrated interpretation of field experimental cross-hole radar, tracer, and hydraulic data demonstrates the value of combining time-lapse geophysical monitoring with conventional hydrologic measurements for improved characterization of a fractured-rock aquifer. Time-lapse difference-attenuation radar tomography was conducted during saline tracer experiments at the US Geological Survey Fractured Rock Hydrology Research Site near Mirror Lake, Grafton County, New Hampshire, USA. The presence of electrically conductive saline tracer effectively illuminates permeable fractures or pathways for geophysical imaging. The geophysical results guide the construction of three-dimensional numerical models of ground-water flow and solute transport. In an effort to explore alternative explanations for the tracer and tomographic data, a suite of conceptual models involving heterogeneous hydraulic conductivity fields and rate-limited mass transfer are considered. Calibration data include tracer concentrations, the arrival time of peak concentration at the outlet, and steady-state hydraulic head. Results from the coupled inversion procedure suggest that much of the tracer mass migrated outside the three tomographic image planes, and that solute is likely transported by two pathways through the system. This work provides basic and site-specific insights into the control of permeability heterogeneity on ground-water flow and solute transport in fractured rock.</p>","language":"English","publisher":"Springer","doi":"10.1007/s10040-004-0372-y","issn":"14312174","usgsCitation":"Day-Lewis, F., Lane, J., and Gorelick, S., 2006, Combined interpretation of radar, hydraulic, and tracer data from a fractured-rock aquifer near Mirror Lake, New Hampshire, USA: Hydrogeology Journal, v. 14, no. 1-2, p. 1-14, https://doi.org/10.1007/s10040-004-0372-y.","productDescription":"14 p.","startPage":"1","endPage":"14","costCenters":[{"id":493,"text":"Office of Ground Water","active":true,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":238793,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United State","state":"New Hampshire","otherGeospatial":"Mirror Lake","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -71.7403793334961,\n              43.90593203475757\n            ],\n            [\n              -71.6609001159668,\n              43.90593203475757\n            ],\n            [\n              -71.6609001159668,\n              43.97243386280852\n            ],\n            [\n              -71.7403793334961,\n              43.97243386280852\n            ],\n            [\n              -71.7403793334961,\n              43.90593203475757\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"14","issue":"1-2","noUsgsAuthors":false,"publicationDate":"2004-09-17","publicationStatus":"PW","scienceBaseUri":"5059f7d9e4b0c8380cd4cd20","contributors":{"authors":[{"text":"Day-Lewis, F. D. 0000-0003-3526-886X","orcid":"https://orcid.org/0000-0003-3526-886X","contributorId":35773,"corporation":false,"usgs":true,"family":"Day-Lewis","given":"F. D.","affiliations":[],"preferred":false,"id":428598,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lane, J.W. Jr.","contributorId":66723,"corporation":false,"usgs":true,"family":"Lane","given":"J.W.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":428599,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Gorelick, S.M.","contributorId":21589,"corporation":false,"usgs":true,"family":"Gorelick","given":"S.M.","email":"","affiliations":[],"preferred":false,"id":428597,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70030775,"text":"70030775 - 2006 - Factors affecting distribution of wood, detritus, and sediment in headwater streams draining managed young-growth red alder - Conifer forests in southeast Alaska","interactions":[],"lastModifiedDate":"2012-03-12T17:21:18","indexId":"70030775","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1170,"text":"Canadian Journal of Forest Research","active":true,"publicationSubtype":{"id":10}},"title":"Factors affecting distribution of wood, detritus, and sediment in headwater streams draining managed young-growth red alder - Conifer forests in southeast Alaska","docAbstract":"Factors (riparian stand condition, management regimes, and channel properties) affecting distributions of wood, detritus (leaves and branches), and sediment were examined in headwater streams draining young-growth red alder (Alnus rubra Bong.) - conifer riparian forests (<40 years old) in southeast Alaska. More riparian red alder were found along streams affected by both timber harvesting and mass movement than in streams affected by timber harvesting alone. Young-growth stands produced little large wood material (diameter ???10 cm) and had little effect on altering the size distribution of functional large wood in channels, although more alder wood pieces were found in streams with greater numbers of riparian alder trees. Legacy wood pieces (>40 years old) remained in channels and provided sites for sediment and organic matter storage. Despite various alder-conifer mixtures and past harvesting effects, the abundance of large wood, fine wood, and detritus accumulations significantly decreased with increasing channel bank-full width (0.5-3.5 m) along relatively short channel distances (up to 700 m). Changes in wood, detritus, and sediment accumulations together with changes in riparian stand characteristics create spatial and temporal variability of in-channel conditions in headwater systems. A component of alder within young-growth riparian forests may benefit both wood production and biological recovery in disturbed headwater stream channels. ?? 2006 NRC.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Canadian Journal of Forest Research","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1139/x05-272","issn":"00455067","usgsCitation":"Gomi, T., Johnson, A., Deal, R., Hennon, P., Orlikowska, E., and Wipfli, M., 2006, Factors affecting distribution of wood, detritus, and sediment in headwater streams draining managed young-growth red alder - Conifer forests in southeast Alaska: Canadian Journal of Forest Research, v. 36, no. 3, p. 725-737, https://doi.org/10.1139/x05-272.","startPage":"725","endPage":"737","numberOfPages":"13","costCenters":[],"links":[{"id":211553,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1139/x05-272"},{"id":238857,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"36","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0e9fe4b0c8380cd53541","contributors":{"authors":[{"text":"Gomi, T.","contributorId":29632,"corporation":false,"usgs":true,"family":"Gomi","given":"T.","email":"","affiliations":[],"preferred":false,"id":428609,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Johnson, A.C.","contributorId":16651,"corporation":false,"usgs":true,"family":"Johnson","given":"A.C.","email":"","affiliations":[],"preferred":false,"id":428608,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Deal, R.L.","contributorId":51501,"corporation":false,"usgs":true,"family":"Deal","given":"R.L.","email":"","affiliations":[],"preferred":false,"id":428612,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hennon, P.E.","contributorId":37951,"corporation":false,"usgs":true,"family":"Hennon","given":"P.E.","email":"","affiliations":[],"preferred":false,"id":428610,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Orlikowska, E.H.","contributorId":42021,"corporation":false,"usgs":true,"family":"Orlikowska","given":"E.H.","email":"","affiliations":[],"preferred":false,"id":428611,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Wipfli, M.S.","contributorId":51963,"corporation":false,"usgs":true,"family":"Wipfli","given":"M.S.","email":"","affiliations":[],"preferred":false,"id":428613,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70030778,"text":"70030778 - 2006 - Phylogeography, phylogeny and hybridization in trichechid sirenians: Implications for manatee conservation","interactions":[],"lastModifiedDate":"2020-09-25T15:04:01.326936","indexId":"70030778","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2774,"text":"Molecular Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Phylogeography, phylogeny and hybridization in trichechid sirenians: Implications for manatee conservation","docAbstract":"<p><span>The three living species of manatees, West Indian (</span><i>Trichechus manatus</i><span>), Amazonian (</span><i>Trichechus inunguis</i><span>) and West African (</span><i>Trichechus senegalensis</i><span>), are distributed across the shallow tropical and subtropical waters of America and the western coast of Africa. We have sequenced the mitochondrial DNA control region in 330&nbsp;</span><i>Trichechus</i><span>&nbsp;to compare their phylogeographic patterns. In&nbsp;</span><i>T</i><span>.&nbsp;</span><i>manatus</i><span>&nbsp;we observed a marked population structure with the identification of three haplotype clusters showing a distinct spatial distribution. A geographic barrier represented by the continuity of the Lesser Antilles to Trinidad Island, near the mouth of the Orinoco River in Venezuela, appears to have restricted the gene flow historically in&nbsp;</span><i>T</i><span>.&nbsp;</span><i>manatus</i><span>. However, for&nbsp;</span><i>T. inunguis</i><span>&nbsp;we observed a single expanding population cluster, with a high diversity of very closely related haplotypes. A marked geographic population structure is likely present in&nbsp;</span><i>T</i><span>.&nbsp;</span><i>senegalensis</i><span>&nbsp;with at least two distinct clusters. Phylogenetic analyses with the mtDNA cytochrome&nbsp;</span><i>b</i><span>&nbsp;gene suggest a clade of the marine&nbsp;</span><i>Trichechus</i><span>&nbsp;species, with&nbsp;</span><i>T</i><span>.&nbsp;</span><i>inunguis</i><span>&nbsp;as the most basal trichechid. This is in agreement with previous morphological analyses. Mitochondrial DNA, autosomal microsatellites and cytogenetic analyses revealed the presence of hybrids between the&nbsp;</span><i>T</i><span>.&nbsp;</span><i>manatus</i><span>&nbsp;and&nbsp;</span><i>T</i><span>.&nbsp;</span><i>inunguis</i><span>&nbsp;species at the mouth of the Amazon River in Brazil, extending to the Guyanas and probably as far as the mouth of the Orinoco River. Future conservation strategies should consider the distinct population structure of manatee species, as well as the historical barriers to gene flow and the likely occurrence of interspecific hybridization.</span></p>","language":"English","publisher":"Wiley","doi":"10.1111/j.1365-294X.2005.02771.x","usgsCitation":"Vianna, J.A., Bonde, R.K., Caballero, S., Giraldo, J.P., Lima, R.P., Clark, A., Marmontel, M., Morales-Vela, B., De Souza, M.J., Parr, L., Rodriguez-Lopez, M.A., Mignucci-Giannoni, A.A., Powell, J.A., and Santos, F.R., 2006, Phylogeography, phylogeny and hybridization in trichechid sirenians: Implications for manatee conservation: Molecular Ecology, v. 15, no. 2, p. 433-447, https://doi.org/10.1111/j.1365-294X.2005.02771.x.","productDescription":"15 p.","startPage":"433","endPage":"447","numberOfPages":"15","costCenters":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":238922,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"15","issue":"2","noUsgsAuthors":false,"publicationDate":"2006-01-09","publicationStatus":"PW","scienceBaseUri":"505a7a63e4b0c8380cd78ea1","contributors":{"authors":[{"text":"Vianna, J. A.","contributorId":23905,"corporation":false,"usgs":false,"family":"Vianna","given":"J.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":428624,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bonde, Robert K. 0000-0001-9179-4376 rbonde@usgs.gov","orcid":"https://orcid.org/0000-0001-9179-4376","contributorId":2675,"corporation":false,"usgs":true,"family":"Bonde","given":"Robert","email":"rbonde@usgs.gov","middleInitial":"K.","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":428631,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Caballero, S.","contributorId":86734,"corporation":false,"usgs":false,"family":"Caballero","given":"S.","email":"","affiliations":[],"preferred":false,"id":428634,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Giraldo, J. P.","contributorId":30591,"corporation":false,"usgs":false,"family":"Giraldo","given":"J.","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":428625,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Lima, R. P.","contributorId":99948,"corporation":false,"usgs":false,"family":"Lima","given":"R.","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":428636,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Clark, A.","contributorId":50476,"corporation":false,"usgs":false,"family":"Clark","given":"A.","affiliations":[],"preferred":false,"id":428630,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Marmontel, M.","contributorId":37671,"corporation":false,"usgs":false,"family":"Marmontel","given":"M.","affiliations":[],"preferred":false,"id":428627,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Morales-Vela, B.","contributorId":32481,"corporation":false,"usgs":false,"family":"Morales-Vela","given":"B.","email":"","affiliations":[],"preferred":false,"id":428626,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"De Souza, M. J.","contributorId":79288,"corporation":false,"usgs":false,"family":"De Souza","given":"M.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":428633,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Parr, L.","contributorId":38947,"corporation":false,"usgs":false,"family":"Parr","given":"L.","email":"","affiliations":[],"preferred":false,"id":428628,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Rodriguez-Lopez, M. A.","contributorId":99523,"corporation":false,"usgs":false,"family":"Rodriguez-Lopez","given":"M.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":428635,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Mignucci-Giannoni, A. A.","contributorId":11351,"corporation":false,"usgs":false,"family":"Mignucci-Giannoni","given":"A.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":428623,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Powell, J. A.","contributorId":69916,"corporation":false,"usgs":false,"family":"Powell","given":"J.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":428632,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"Santos, F. R.","contributorId":42567,"corporation":false,"usgs":false,"family":"Santos","given":"F.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":428629,"contributorType":{"id":1,"text":"Authors"},"rank":14}]}}
,{"id":70044389,"text":"70044389 - 2006 - Mineral resource of the month: soda ash","interactions":[],"lastModifiedDate":"2013-05-07T13:30:55","indexId":"70044389","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1829,"text":"Geotimes","active":true,"publicationSubtype":{"id":10}},"title":"Mineral resource of the month: soda ash","docAbstract":"Soda ash, also known as sodium carbonate, is an alkali chemical that can be refined from the mineral trona and from sodium carbonate-bearing brines. Several chemical processes exist for manufacturing synthetic soda ash.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geotimes","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"American Geosciences Institute","publisherLocation":"Reston, VA","usgsCitation":"Kostic, D.S., 2006, Mineral resource of the month: soda ash: Geotimes, v. 2006, no. May, HTML Document.","productDescription":"HTML Document","ipdsId":"IP-040474","costCenters":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"links":[{"id":270414,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":270413,"type":{"id":11,"text":"Document"},"url":"https://www.geotimes.org/may06/resources.html"}],"volume":"2006","issue":"May","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"515aac66e4b0105540728a49","contributors":{"authors":[{"text":"Kostic, Dennis S.","contributorId":40493,"corporation":false,"usgs":true,"family":"Kostic","given":"Dennis","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":475500,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
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