{"pageNumber":"1512","pageRowStart":"37775","pageSize":"25","recordCount":165309,"records":[{"id":70044949,"text":"70044949 - 2012 - Alaska's rare earth deposits and resource potential","interactions":[],"lastModifiedDate":"2013-04-08T08:30:02","indexId":"70044949","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2755,"text":"Mining Engineering","active":true,"publicationSubtype":{"id":10}},"title":"Alaska's rare earth deposits and resource potential","docAbstract":"Alaska’s known mineral endowment includes some of the largest and highest grade deposits of various metals, including gold, copper and zinc. Recently, Alaska has also been active in the worldwide search for sources of rare earth elements (REE) to replace exports now being limitedby China. Driven by limited supply of the rare earths, combined with their increasing use in new ‘green’ energy, lighting, transportation, and many other technological applications, the rare earth metals neodymium, europium and, in particular, the heavy rare earth elements terbium, dysprosium and yttrium are forecast to soon be in critical short supply (U.S. Department of Energy, 2010).","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Mining Engineering","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"SME","publisherLocation":"Englewood, CO","usgsCitation":"Barker, J.C., and Van Gosen, B.S., 2012, Alaska's rare earth deposits and resource potential: Mining Engineering, v. 64, no. 1, p. 20-32.","productDescription":"13 p.","startPage":"20","endPage":"32","ipdsId":"IP-031110","costCenters":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"links":[{"id":270646,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":270645,"type":{"id":15,"text":"Index Page"},"url":"https://me.smenet.org/abstract.cfm?preview=1&articleID=2502&page=20"}],"country":"United States","state":"Alaska","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ 172.5,51.2 ], [ 172.5,71.4 ], [ -130.0,71.4 ], [ -130.0,51.2 ], [ 172.5,51.2 ] ] ] } } ] }","volume":"64","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5163e6e2e4b0b7010f820147","contributors":{"authors":[{"text":"Barker, James C.","contributorId":77014,"corporation":false,"usgs":true,"family":"Barker","given":"James","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":476502,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Van Gosen, Bradley S. 0000-0003-4214-3811 bvangose@usgs.gov","orcid":"https://orcid.org/0000-0003-4214-3811","contributorId":1174,"corporation":false,"usgs":true,"family":"Van Gosen","given":"Bradley","email":"bvangose@usgs.gov","middleInitial":"S.","affiliations":[{"id":387,"text":"Mineral Resources Program","active":true,"usgs":true},{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":476501,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70044891,"text":"70044891 - 2012 - Diatomite","interactions":[],"lastModifiedDate":"2013-04-27T14:05:32","indexId":"70044891","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2755,"text":"Mining Engineering","active":true,"publicationSubtype":{"id":10}},"title":"Diatomite","docAbstract":"The United States continues to be the world's leading producer and consumer of diatomite. Production of diatomite in the United States during 2011 was estimated to be 600 kt (661,000 st), a slight increase compared with 2010 production. The unit value of diatomite varied widely by end use in 2011. Diatomite used as a lightweight aggregate was priced at $8.82/t ($8/st), while specialty-grade diatomite, used in art supplies, cosmetics, or biomedical applications, was priced as high as $10,000/t ($9,070/st) on a spot basis. Filter-grade diatomite had an average unit value of $394/t ($357/st). Seven companies operated 10 mines an nine processing facilities in California, Nevada, Oregon and Washington. U.S. diatomite exports totaled about 120 kt (132,000 st). Imports were much lower, at approximately 1 kt (1,100 st).","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Mining Engineering","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"SME","usgsCitation":"Crangle, R., 2012, Diatomite: Mining Engineering, v. 64, no. 6, p. 48-49.","productDescription":"2 p.","startPage":"48","endPage":"49","ipdsId":"IP-028487","costCenters":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"links":[{"id":271517,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"64","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"517cf363e4b0d8907b28819f","contributors":{"authors":[{"text":"Crangle, R.D. Jr.","contributorId":88241,"corporation":false,"usgs":true,"family":"Crangle","given":"R.D.","suffix":"Jr.","affiliations":[],"preferred":false,"id":476438,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70044889,"text":"70044889 - 2012 - Nitrogen","interactions":[],"lastModifiedDate":"2013-04-28T22:18:19","indexId":"70044889","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2755,"text":"Mining Engineering","active":true,"publicationSubtype":{"id":10}},"title":"Nitrogen","docAbstract":"Ammonia was produced by 12 companies at 27 plants in 15 states in the United States during 2011. Sixty-one percent of total U.S. ammonia production capacity was centered in Louisiana, Oklahoma and Texas because of those states' large reserves of natural gas, the dominant domestic feedstock. In 2011, U.S. producers operated at about 84 percent of their rated capacity (excluding plants that were idle for the entire year). Four companies — CF Industries Holdings Inc.; Koch Nitrogen Co.; PCS Nitrogen Inc. and Agrium Inc., in descending order — accounted for 77 percent of the total U.S. ammonia production capacity.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Mining Engineering","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"SME","usgsCitation":"Apodaca, L., 2012, Nitrogen: Mining Engineering, v. 64, no. 6, p. 78-79.","productDescription":"2 p.","startPage":"78","endPage":"79","ipdsId":"IP-036328","costCenters":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"links":[{"id":271582,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"64","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"517e44f2e4b0eff6bc003205","contributors":{"authors":[{"text":"Apodaca, L.E.","contributorId":73635,"corporation":false,"usgs":true,"family":"Apodaca","given":"L.E.","email":"","affiliations":[],"preferred":false,"id":476436,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70044885,"text":"70044885 - 2012 - Peat","interactions":[],"lastModifiedDate":"2013-04-28T22:34:31","indexId":"70044885","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2755,"text":"Mining Engineering","active":true,"publicationSubtype":{"id":10}},"title":"Peat","docAbstract":"In 2011, domestic production of peat, excluding Alaska, was estimated to be 605 kt (667,000 st), compared with 628 kt (629,000 st) in 2010. In 2011, imports increased to 1.1. Mt (1.2 million st) compared with 947 kt (1 million st) in 2010, and exports were estimated to have decreased to 39 kt (43,000 st) in 2011. U.S. apparent consumption for 2011 was estimated to have increased to 1.6 Mt (1.7 million st). World production was estimated to be about 22 Mt (24 million st) in 2011, which was 6 percent lower than 2010.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Mining Engineering","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"SME","usgsCitation":"Apodaca, L., 2012, Peat: Mining Engineering, v. 64, no. 6, p. 79-80.","productDescription":"2 p.","startPage":"79","endPage":"80","ipdsId":"IP-036324","costCenters":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"links":[{"id":271585,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"64","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"517e44f4e4b0eff6bc003221","contributors":{"authors":[{"text":"Apodaca, L.E.","contributorId":73635,"corporation":false,"usgs":true,"family":"Apodaca","given":"L.E.","email":"","affiliations":[],"preferred":false,"id":476432,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70044872,"text":"70044872 - 2012 - Pumice and pumicite","interactions":[],"lastModifiedDate":"2013-04-27T14:18:52","indexId":"70044872","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2755,"text":"Mining Engineering","active":true,"publicationSubtype":{"id":10}},"title":"Pumice and pumicite","docAbstract":"Production of pumice in the United States during 2011 was estimated to be 380 kt (420,000 st), a 3-percent decrease compared with 2010. The unit value of pumice varied by end use in 2011. Pumice used as an abrasive was priced at $10.39/t ($9.30/st), while specialty-grade pumice, used in cosmetics, filtration or precision grinding, was priced as high as $150/t ($130/st) on a spot basis. Fourteen companies operated 16 mines in Arizona, California, Idaho, Kansas, New Mexico and Oregon. U.S. pumice exports totaled about 15 kt (17,000 st). Imports were higher, 35 kt (39,000 st).","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Mining Engineering","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"SME","usgsCitation":"Crangle, R., 2012, Pumice and pumicite: Mining Engineering, v. 64, no. 6, p. 85-86.","productDescription":"2 p.","startPage":"85","endPage":"86","ipdsId":"IP-036421","costCenters":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"links":[{"id":271519,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"64","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"517cf375e4b0d8907b28824a","contributors":{"authors":[{"text":"Crangle, R.D. Jr.","contributorId":88241,"corporation":false,"usgs":true,"family":"Crangle","given":"R.D.","suffix":"Jr.","affiliations":[],"preferred":false,"id":476423,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70044868,"text":"70044868 - 2012 - Lithium","interactions":[],"lastModifiedDate":"2013-04-28T21:00:26","indexId":"70044868","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2755,"text":"Mining Engineering","active":true,"publicationSubtype":{"id":10}},"title":"Lithium","docAbstract":"In 2011, world lithium consumption was estimated to have been about 25 kt (25,000 st) of lithium contained in minerals and compounds, a 10-percent increase from 2010. U.S. consumption was estimated to have been about 2 kt (2,200 st) of contained lithium, a 100-percent increase from 2010. The United States was estimated to be the fourth-ranked consumer of lithium and remained the leading importer of lithium carbonate and the leading producer of value-added lithium materials. One company, Chemetall Foote Corp. (a subsidiary of Chemetall GmbH of Germany), produced lithium compounds from domestic brine resources near Silver Peak, NV.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Mining Engineering","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"SME","usgsCitation":"Jaskula, B., 2012, Lithium: Mining Engineering, v. 64, no. 6, p. 72-73.","productDescription":"2 p.","startPage":"72","endPage":"73","ipdsId":"IP-029014","costCenters":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"links":[{"id":271566,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"64","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"517e44ece4b0eff6bc0031d9","contributors":{"authors":[{"text":"Jaskula, B.W.","contributorId":62496,"corporation":false,"usgs":true,"family":"Jaskula","given":"B.W.","affiliations":[],"preferred":false,"id":476420,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70044817,"text":"70044817 - 2012 - Exploration review","interactions":[],"lastModifiedDate":"2013-04-29T08:58:39","indexId":"70044817","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2755,"text":"Mining Engineering","active":true,"publicationSubtype":{"id":10}},"title":"Exploration review","docAbstract":"This summary of international mineral exploration activities for the year 2011 draws upon available information from industry sources, published literature and U.S. Geological Survey (USGS) specialists. This summary provides data on exploration budgets by region and mineral commodity, identifies significant mineral discoveries and areas of mineral exploration, discusses government programs affecting the mineral exploration industry and presents surveys returned by companies primarily focused on precious (gold, platinum-group metals and silver) and base (copper, lead, nickel and zinc) metals.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Mining Engineering","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"SME","usgsCitation":"Wilburn, D., Rapstine, T., and Lee, E., 2012, Exploration review: Mining Engineering, v. 64, no. 5, p. 40-60.","productDescription":"21 p.","startPage":"40","endPage":"60","ipdsId":"IP-036880","costCenters":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"links":[{"id":271593,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"64","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"517f9668e4b0e41721f7a350","contributors":{"authors":[{"text":"Wilburn, D.R.","contributorId":98911,"corporation":false,"usgs":true,"family":"Wilburn","given":"D.R.","email":"","affiliations":[],"preferred":false,"id":476364,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rapstine, T.D.","contributorId":60103,"corporation":false,"usgs":true,"family":"Rapstine","given":"T.D.","email":"","affiliations":[],"preferred":false,"id":476363,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lee, E.C.","contributorId":16191,"corporation":false,"usgs":true,"family":"Lee","given":"E.C.","email":"","affiliations":[],"preferred":false,"id":476362,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70044808,"text":"70044808 - 2012 - Sulfur","interactions":[],"lastModifiedDate":"2013-04-28T22:40:29","indexId":"70044808","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2755,"text":"Mining Engineering","active":true,"publicationSubtype":{"id":10}},"title":"Sulfur","docAbstract":"In 2011, elemental sulfur and the byproduct sulfuric acid were produced at 109 operations in 29 states and the U.S. Virgin Islands. Total shipments were valued at about $1.6 billion. Elemental sulfur production was 8.2 Mt (9 million st); Louisiana and Texas accounted for about 53 percent of domestic production.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Mining Engineering","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"SME","usgsCitation":"Apodaca, L., 2012, Sulfur: Mining Engineering, v. 64, no. 6, p. 91-92.","productDescription":"2 p.","startPage":"91","endPage":"92","ipdsId":"IP-036784","costCenters":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"links":[{"id":271587,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"64","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"517e44f5e4b0eff6bc003229","contributors":{"authors":[{"text":"Apodaca, L.E.","contributorId":73635,"corporation":false,"usgs":true,"family":"Apodaca","given":"L.E.","email":"","affiliations":[],"preferred":false,"id":476346,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70044799,"text":"70044799 - 2012 - Geologic setting, sedimentary architecture, and paragenesis of the Mesoproterozoic sediment-hosted Sheep Creek Cu-Co-Ag deposit, Helena embayment, Montana","interactions":[],"lastModifiedDate":"2020-09-11T18:58:14.123155","indexId":"70044799","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1472,"text":"Economic Geology","active":true,"publicationSubtype":{"id":10}},"title":"Geologic setting, sedimentary architecture, and paragenesis of the Mesoproterozoic sediment-hosted Sheep Creek Cu-Co-Ag deposit, Helena embayment, Montana","docAbstract":"<p><span>The northern margin of the Helena Embayment contains extensive syngenetic to diagenetic massive pyrite horizons that extend over 25 km along the Volcano Valley-Buttress fault zone and extend up to 8 km basinward (south) within the Mesoproterozoic Newland Formation. The Sheep Creek Cu-Co deposit occurs within a structural block along a bend in the fault system, where replacement-style chalcopyrite mineralization is spatially associated mostly with the two stratigraphically lowest massive pyrite zones. These mineralized pyritic horizons are intercalated with debris flows derived from synsedimentary movement along the Volcano Valley-Buttress fault zone. Cominco American Inc. delineated a geologic resource of 4.5 Mt at 2.5% Cu and 0.1% Co in the upper sulfide zone and 4 Mt at 4% Cu within the lower sulfide zone. More recently, Tintina Resources Inc. has delineated an inferred resource of 8.48 Mt at 2.96% Cu, 0.12% Co, and 16.4 g/t Ag in the upper sulfide zone. The more intact upper sulfide zone displays significant thickness variations along strike thought to represent formation in at least three separate subbasins. The largest accumulation of mineralized sulfide in the upper zone occurs as an N-S–trending body that thickens southward from the generally E trending Volcano Valley Fault and probably occupies a paleograben controlled by normal faults in the hanging wall of the Volcano Valley Fault. Early microcrystalline to framboidal pyrite was accompanied by abundant and local barite deposition in the upper and lower sulfide zones, respectively. The sulfide bodies underwent intense (lower sulfide zone) to localized (upper sulfide zone) recrystallization and overprinting by coarser-grained pyrite and minor marcasite that is intergrown with and replaces dolomite. Silicification and paragenetically late chalcopyrite, along with minor tennantite in the upper sulfide zone, replaces fine-grained pyrite, barite, and carbonate. The restriction of chalcopyrite to inferred synsedimentary E- and northerly trending faults and absence of definitive zonation with respect to the Laramide Volcano Valley Fault in the lower sulfide zone suggest a diagenetic age related to basin development for the Sheep Creek Cu-Co-Ag deposit.</span></p>","language":"English","publisher":"Society of Economic Geologists","doi":"10.2113/econgeo.107.6.1115","usgsCitation":"Graham, G.E., Hitzman, M., and Zieg, J., 2012, Geologic setting, sedimentary architecture, and paragenesis of the Mesoproterozoic sediment-hosted Sheep Creek Cu-Co-Ag deposit, Helena embayment, Montana: Economic Geology, v. 107, no. 6, p. 1115-1141, https://doi.org/10.2113/econgeo.107.6.1115.","productDescription":"27 p.","startPage":"1115","endPage":"1141","ipdsId":"IP-021409","costCenters":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"links":[{"id":273006,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Montana","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -116.0,44.36 ], [ -116.0,49.0 ], [ -104.0,49.0 ], [ -104.0,44.36 ], [ -116.0,44.36 ] ] ] } } ] }","volume":"107","issue":"6","noUsgsAuthors":false,"publicationDate":"2012-09-20","publicationStatus":"PW","scienceBaseUri":"51a874e4e4b082d85d5ed893","contributors":{"authors":[{"text":"Graham, Garth E. 0000-0003-0657-0365 ggraham@usgs.gov","orcid":"https://orcid.org/0000-0003-0657-0365","contributorId":1031,"corporation":false,"usgs":true,"family":"Graham","given":"Garth","email":"ggraham@usgs.gov","middleInitial":"E.","affiliations":[{"id":35995,"text":"Geology, Geophysics, and Geochemistry Science Center","active":true,"usgs":true},{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":476340,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hitzman, Murray W.","contributorId":14682,"corporation":false,"usgs":true,"family":"Hitzman","given":"Murray W.","affiliations":[],"preferred":false,"id":476341,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Zieg, Jerry","contributorId":52868,"corporation":false,"usgs":true,"family":"Zieg","given":"Jerry","email":"","affiliations":[],"preferred":false,"id":476342,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70044797,"text":"70044797 - 2012 - Geologic processes influence the effects of mining on aquatic ecosystems","interactions":[],"lastModifiedDate":"2013-06-20T12:00:12","indexId":"70044797","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1450,"text":"Ecological Applications","active":true,"publicationSubtype":{"id":10}},"title":"Geologic processes influence the effects of mining on aquatic ecosystems","docAbstract":"Geologic processes strongly influence water and sediment quality in aquatic ecosystems but rarely are geologic principles incorporated into routine biomonitoring studies. We test if elevated concentrations of metals in water and sediment are restricted to streams downstream of mines or areas that may discharge mine wastes. We surveyed 198 catchments classified as “historically mined” or “unmined,” and based on mineral-deposit criteria, to determine whether water and sediment quality were influenced by naturally occurring mineralized rock, by historical mining, or by a combination of both. By accounting for different geologic sources of metals to the environment, we were able to distinguish aquatic ecosystems limited by metals derived from natural processes from those due to mining. Elevated concentrations of metals in water and sediment were not restricted to mined catchments; depauperate aquatic communities were found in unmined catchments. The type and intensity of hydrothermal alteration and the mineral deposit type were important determinants of water and sediment quality as well as the aquatic community in both mined and unmined catchments. This study distinguished the effects of different rock types and geologic sources of metals on ecosystems by incorporating basic geologic processes into reference and baseline site selection, resulting in a refined assessment. Our results indicate that biomonitoring studies should account for natural sources of metals in some geologic environments as contributors to the effect of mines on aquatic ecosystems, recognizing that in mining-impacted drainages there may have been high pre-mining background metal concentrations.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ecological Applications","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"ESA","doi":"10.1890/11-0806.1","usgsCitation":"Schmidt, T., Clements, W.H., Wanty, R.B., Verplanck, P.L., Church, S.E., San Juan, C.A., Fey, D.L., Rockwell, B.W., DeWitt, E.H., and Klein, T.L., 2012, Geologic processes influence the effects of mining on aquatic ecosystems: Ecological Applications, v. 22, no. 3, p. 870-879, https://doi.org/10.1890/11-0806.1.","productDescription":"10 p.","startPage":"870","endPage":"879","ipdsId":"IP-017393","costCenters":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"links":[{"id":274030,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":274029,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1890/11-0806.1"}],"volume":"22","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"51c42460e4b03c77dce65a48","contributors":{"authors":[{"text":"Schmidt, Travis S. 0000-0003-1400-0637 tschmidt@usgs.gov","orcid":"https://orcid.org/0000-0003-1400-0637","contributorId":1300,"corporation":false,"usgs":true,"family":"Schmidt","given":"Travis S.","email":"tschmidt@usgs.gov","affiliations":[{"id":685,"text":"Wyoming-Montana Water Science Center","active":false,"usgs":true},{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true},{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"preferred":true,"id":476336,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Clements, William H.","contributorId":39504,"corporation":false,"usgs":true,"family":"Clements","given":"William","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":476339,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wanty, Richard B. 0000-0002-2063-6423 rwanty@usgs.gov","orcid":"https://orcid.org/0000-0002-2063-6423","contributorId":443,"corporation":false,"usgs":true,"family":"Wanty","given":"Richard","email":"rwanty@usgs.gov","middleInitial":"B.","affiliations":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":476330,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Verplanck, Philip L. 0000-0002-3653-6419 plv@usgs.gov","orcid":"https://orcid.org/0000-0002-3653-6419","contributorId":728,"corporation":false,"usgs":true,"family":"Verplanck","given":"Philip","email":"plv@usgs.gov","middleInitial":"L.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":476332,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Church, Stan E. schurch@usgs.gov","contributorId":803,"corporation":false,"usgs":true,"family":"Church","given":"Stan","email":"schurch@usgs.gov","middleInitial":"E.","affiliations":[],"preferred":false,"id":476333,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"San Juan, Carma A. 0000-0002-9151-1919 csanjuan@usgs.gov","orcid":"https://orcid.org/0000-0002-9151-1919","contributorId":1146,"corporation":false,"usgs":true,"family":"San Juan","given":"Carma","email":"csanjuan@usgs.gov","middleInitial":"A.","affiliations":[{"id":35995,"text":"Geology, Geophysics, and Geochemistry Science Center","active":true,"usgs":true},{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":476334,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Fey, David L. dfey@usgs.gov","contributorId":713,"corporation":false,"usgs":true,"family":"Fey","given":"David","email":"dfey@usgs.gov","middleInitial":"L.","affiliations":[{"id":35995,"text":"Geology, Geophysics, and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":476331,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Rockwell, Barnaby W. 0000-0002-9549-0617 barnabyr@usgs.gov","orcid":"https://orcid.org/0000-0002-9549-0617","contributorId":2195,"corporation":false,"usgs":true,"family":"Rockwell","given":"Barnaby","email":"barnabyr@usgs.gov","middleInitial":"W.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":476337,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"DeWitt, Ed H.","contributorId":16543,"corporation":false,"usgs":true,"family":"DeWitt","given":"Ed","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":476338,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Klein, Terry L. tklein@usgs.gov","contributorId":1244,"corporation":false,"usgs":true,"family":"Klein","given":"Terry","email":"tklein@usgs.gov","middleInitial":"L.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":476335,"contributorType":{"id":1,"text":"Authors"},"rank":10}]}}
,{"id":70044659,"text":"70044659 - 2012 - Bioenergetic response by steelhead to variation in diet, thermal habitat, and climate in the north Pacific Ocean","interactions":[],"lastModifiedDate":"2013-04-15T18:27:04","indexId":"70044659","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","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":"Bioenergetic response by steelhead to variation in diet, thermal habitat, and climate in the north Pacific Ocean","docAbstract":"Energetic responses of steelhead Oncorhynchus mykiss to climate-driven changes in marine conditions are expected to affect the species’ ocean distribution, feeding, growth, and survival. With a unique 18-year data series (1991–2008) for steelhead sampled in the open ocean, we simulated interannual variation in prey consumption and growth efficiency of steelhead using a bioenergetics model to evaluate the temperature-dependent growth response of steelhead to past climate events and to estimate growth potential of steelhead under future climate scenarios. Our results showed that annual ocean growth of steelhead is highly variable depending on prey quality, consumption rates, total consumption, and thermal experience. At optimal growing temperatures, steelhead can compensate for a low-energy diet by increasing consumption rates and consuming more prey, if available. Our findings suggest that steelhead have a narrow temperature window in which to achieve optimal growth, which is strongly influenced by climate-driven changes in ocean temperature.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Transactions of the American Fisheries Society","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Taylor & Francis","publisherLocation":"Philadelphia, PA","doi":"10.1080/00028487.2012.675914","usgsCitation":"Atcheson, M.E., Myers, K.W., Beauchamp, D.A., and Mantua, N.J., 2012, Bioenergetic response by steelhead to variation in diet, thermal habitat, and climate in the north Pacific Ocean: Transactions of the American Fisheries Society, v. 141, no. 4, p. 1081-1096, https://doi.org/10.1080/00028487.2012.675914.","productDescription":"16 p.","startPage":"1081","endPage":"1096","ipdsId":"IP-042595","costCenters":[{"id":621,"text":"Washington Cooperative Fish and Wildlife Research Unit","active":false,"usgs":true}],"links":[{"id":270956,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":270955,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1080/00028487.2012.675914"}],"otherGeospatial":"Pacific Ocean","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ 128.7,-85.6 ], [ 128.7,58.2 ], [ -66.5,58.2 ], [ -66.5,-85.6 ], [ 128.7,-85.6 ] ] ] } } ] }","volume":"141","issue":"4","noUsgsAuthors":false,"publicationDate":"2012-07-02","publicationStatus":"PW","scienceBaseUri":"516d2167e4b0411d430a89ef","contributors":{"authors":[{"text":"Atcheson, Margaret E.","contributorId":76211,"corporation":false,"usgs":true,"family":"Atcheson","given":"Margaret","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":476181,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Myers, Katherine W.","contributorId":32812,"corporation":false,"usgs":true,"family":"Myers","given":"Katherine","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":476180,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Beauchamp, David A. 0000-0002-3592-8381 fadave@usgs.gov","orcid":"https://orcid.org/0000-0002-3592-8381","contributorId":4205,"corporation":false,"usgs":true,"family":"Beauchamp","given":"David","email":"fadave@usgs.gov","middleInitial":"A.","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":true,"id":476179,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Mantua, Nathan J.","contributorId":83429,"corporation":false,"usgs":true,"family":"Mantua","given":"Nathan","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":476182,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70043584,"text":"70043584 - 2012 - New insights into gill ionocyte and ion transporter function in euryhaline and diadromous fish","interactions":[],"lastModifiedDate":"2013-03-05T15:09:25","indexId":"70043584","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3269,"text":"Respiratory Physiology and Neurobiology","active":true,"publicationSubtype":{"id":10}},"title":"New insights into gill ionocyte and ion transporter function in euryhaline and diadromous fish","docAbstract":"Teleost fishes are able to acclimatize to seawater by secreting excess NaCl by means of specialized “ionocytes” in the gill epithelium. Antibodies against Na<sup>+</sup>/K<sup>+</sup>-ATPase (NKA) have been used since 1996 as a marker for identifying branchial ionocytes. Immunohistochemistry of NKA by itself and in combination with Na<sup>+</sup>/K<sup>+</sup>/2Cl<sup>−</sup> cotransporter and CFTR Cl<sup>−</sup> channel provided convincing evidence that ionocytes are functional during seawater acclimation, and also revealed morphological variations in ionocytes among teleost species. Recent development of antibodies to freshwater- and seawater-specific isoforms of the NKA alpha-subunit has allowed functional distinction of ion absorptive and secretory ionocytes in Atlantic salmon. Cutaneous ionocytes of tilapia embryos serve as a model for branchial ionocytes, allowing identification of 4 types: two involved in ion uptake, one responsible for salt secretion and one with unknown function. Combining molecular genetics, advanced imaging techniques and immunohistochemistry will rapidly advance our understanding of both the unity and diversity of ionocyte function and regulation in fish osmoregulation.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Respiratory Physiology and Neurobiology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Elsevier","publisherLocation":"Amsterdam, Netherlands","doi":"10.1016/j.resp.2012.07.019","usgsCitation":"Hiroi, J., and McCormick, S., 2012, New insights into gill ionocyte and ion transporter function in euryhaline and diadromous fish: Respiratory Physiology and Neurobiology, v. 184, no. 3, p. 257-268, https://doi.org/10.1016/j.resp.2012.07.019.","productDescription":"12 p.","startPage":"257","endPage":"268","ipdsId":"IP-040742","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":268797,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":268796,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.resp.2012.07.019"}],"volume":"184","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5137220ce4b02ab8869c0009","contributors":{"authors":[{"text":"Hiroi, Junya","contributorId":45982,"corporation":false,"usgs":true,"family":"Hiroi","given":"Junya","email":"","affiliations":[],"preferred":false,"id":473897,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McCormick, Stephen D. 0000-0003-0621-6200 smccormick@usgs.gov","orcid":"https://orcid.org/0000-0003-0621-6200","contributorId":39666,"corporation":false,"usgs":true,"family":"McCormick","given":"Stephen D.","email":"smccormick@usgs.gov","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":false,"id":473896,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70043594,"text":"70043594 - 2012 - Effects of hurricanes Katrina and Rita on Louisiana black bear habitat","interactions":[],"lastModifiedDate":"2013-04-17T21:19:08","indexId":"70043594","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3671,"text":"Ursus","active":true,"publicationSubtype":{"id":10}},"title":"Effects of hurricanes Katrina and Rita on Louisiana black bear habitat","docAbstract":"The Louisiana black bear (Ursus americanus luteolus) is comprised of 3 subpopulations, each being small, geographically isolated, and vulnerable to extinction. Hurricanes Katrina and Rita struck the Louisiana and Mississippi coasts in 2005, potentially altering habitat occupied by this federally threatened subspecies. We used data collected on radio-telemetered bears from 1993 to 1995 and pre-hurricane landscape data to develop a habitat model based on the Mahalanobis distance (D2) statistic. We then applied that model to post-hurricane landscape data where the telemetry data were collected (i.e., occupied study area) and where bear range expansion might occur (i.e., unoccupied study area) to quantify habitat loss or gain. The D2 model indicated that quality bear habitat was associated with areas of high mast-producing forest density, low water body density, and moderate forest patchiness. Cross-validation and testing on an independent data set in central Louisiana indicated that prediction and transferability of the model were good. Suitable bear habitat decreased from 348 to 345 km2 (0.9%) within the occupied study area and decreased from 34,383 to 33,891 km2 (1.4%) in the unoccupied study area following the hurricanes. Our analysis indicated that bear habitat was not significantly degraded by the hurricanes, although changes that could have occurred on a microhabitat level would be more difficult to detect at the resolution we used. We suggest that managers continue to monitor the possible long-term effects of these hurricanes (e.g., vegetation changes from flooding, introduction of toxic chemicals, or water quality changes).","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ursus","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"BioOne","doi":"10.2192/URSUS-D-11-00032.1","usgsCitation":"Clark, J.D., and Murrow, J.L., 2012, Effects of hurricanes Katrina and Rita on Louisiana black bear habitat: Ursus, v. 23, no. 2, p. 192-205, https://doi.org/10.2192/URSUS-D-11-00032.1.","startPage":"192","endPage":"205","ipdsId":"IP-038563","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":271044,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":271043,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.2192/URSUS-D-11-00032.1"}],"country":"United States","state":"Louisiana","volume":"23","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"516fc463e4b05024ef3cd3f2","contributors":{"authors":[{"text":"Clark, Joseph D. 0000-0002-8547-8112 jclark1@usgs.gov","orcid":"https://orcid.org/0000-0002-8547-8112","contributorId":2265,"corporation":false,"usgs":true,"family":"Clark","given":"Joseph","email":"jclark1@usgs.gov","middleInitial":"D.","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true},{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"preferred":true,"id":473929,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Murrow, Jennifer L.","contributorId":92945,"corporation":false,"usgs":true,"family":"Murrow","given":"Jennifer","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":473930,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70043598,"text":"70043598 - 2012 - Shale Gas Development and Brook Trout: Scaling Best Management Practices to Anticipate Cumulative Effects","interactions":[],"lastModifiedDate":"2013-04-17T21:24:43","indexId":"70043598","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1559,"text":"Environmental Practice","active":true,"publicationSubtype":{"id":10}},"title":"Shale Gas Development and Brook Trout: Scaling Best Management Practices to Anticipate Cumulative Effects","docAbstract":"Shale gas development may involve trade-offs between energy development and benefits provided by natural ecosystems. However, current best management practices (BMPs) focus on mitigating localized ecological degradation. We review evidence for cumulative effects of natural gas development on brook trout (Salvelinus fontinalis) and conclude that BMPs should account for potential watershed-scale effects in addition to localized influences. The challenge is to develop BMPs in the face of uncertainty in the predicted response of brook trout to landscape-scale disturbance caused by gas extraction. We propose a decision-analysis approach to formulating BMPs in the specific case of relatively undisturbed watersheds where there is consensus to maintain brook trout populations during gas development. The decision analysis was informed by existing empirical models that describe brook trout occupancy responses to landscape disturbance and set bounds on the uncertainty in the predicted responses to shale gas development. The decision analysis showed that a high efficiency of gas development (e.g., 1 well pad per square mile and 7 acres per pad) was critical to achieving a win-win solution characterized by maintaining brook trout and maximizing extraction of available gas. This finding was invariant to uncertainty in predicted response of brook trout to watershed-level disturbance. However, as the efficiency of gas development decreased, the optimal BMP depended on the predicted response, and there was considerable potential value in discriminating among predictive models through adaptive management or research. The proposed decision-analysis framework provides an opportunity to anticipate the cumulative effects of shale gas development, account for uncertainty, and inform management decisions at the appropriate spatial scales.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Environmental Practice","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Cambridge","doi":"10.1017/S1466046612000397","usgsCitation":"Smith, D., Snyder, C.D., Hitt, N.P., Young, J.A., and Faulkner, S.P., 2012, Shale Gas Development and Brook Trout: Scaling Best Management Practices to Anticipate Cumulative Effects: Environmental Practice, v. 14, no. 4, p. 366-381, https://doi.org/10.1017/S1466046612000397.","startPage":"366","endPage":"381","ipdsId":"IP-040882","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":271045,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1017/S1466046612000397"},{"id":271046,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","volume":"14","issue":"4","noUsgsAuthors":false,"publicationDate":"2017-01-03","publicationStatus":"PW","scienceBaseUri":"516fc467e4b05024ef3cd41c","contributors":{"authors":[{"text":"Smith, David 0000-0001-6074-9257","orcid":"https://orcid.org/0000-0001-6074-9257","contributorId":1989,"corporation":false,"usgs":false,"family":"Smith","given":"David","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":false,"id":473939,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Snyder, Craig D. 0000-0002-3448-597X csnyder@usgs.gov","orcid":"https://orcid.org/0000-0002-3448-597X","contributorId":2568,"corporation":false,"usgs":true,"family":"Snyder","given":"Craig","email":"csnyder@usgs.gov","middleInitial":"D.","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":true,"id":473940,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hitt, Nathaniel P. 0000-0002-1046-4568 nhitt@usgs.gov","orcid":"https://orcid.org/0000-0002-1046-4568","contributorId":4435,"corporation":false,"usgs":true,"family":"Hitt","given":"Nathaniel","email":"nhitt@usgs.gov","middleInitial":"P.","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":true,"id":473942,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Young, John A. 0000-0002-4500-3673 jyoung@usgs.gov","orcid":"https://orcid.org/0000-0002-4500-3673","contributorId":3777,"corporation":false,"usgs":true,"family":"Young","given":"John","email":"jyoung@usgs.gov","middleInitial":"A.","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":true,"id":473941,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Faulkner, Stephen P. 0000-0001-5295-1383 faulkners@usgs.gov","orcid":"https://orcid.org/0000-0001-5295-1383","contributorId":374,"corporation":false,"usgs":true,"family":"Faulkner","given":"Stephen","email":"faulkners@usgs.gov","middleInitial":"P.","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":false,"id":473938,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70044594,"text":"wdr2012 - 2012 - Water-resources data for the United States: water year 2012","interactions":[],"lastModifiedDate":"2016-08-23T13:29:26","indexId":"wdr2012","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":340,"text":"Water Data Report","code":"WDR","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2012","title":"Water-resources data for the United States: water year 2012","docAbstract":"<p>Water resources data are published annually for use by engineers, scientists, managers, educators, and the general public. These archival products supplement direct access to current and historical water data provided by NWISWeb. Beginning with Water Year 2006, annual water data reports are available as individual electronic Site Data Sheets for the entire Nation for retrieval, download, and localized printing on demand. National distribution includes tabular and map interfaces for search, query, display and download of data. From 1962 until 2005, reports were published by State as paper documents, although most reports since the mid-1990s are also available in electronic form through this web page. 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,{"id":70043603,"text":"70043603 - 2012 - Estrogenic compounds decrease growth hormone receptor abundance and alter osmoregulation in Atlantic salmon","interactions":[],"lastModifiedDate":"2013-05-14T10:33:23","indexId":"70043603","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1738,"text":"General and Comparative Endocrinology","active":true,"publicationSubtype":{"id":10}},"title":"Estrogenic compounds decrease growth hormone receptor abundance and alter osmoregulation in Atlantic salmon","docAbstract":"Exposure of Atlantic salmon smolts to estrogenic compounds is shown to compromise several aspects of smolt development. We sought to determine the underlying endocrine mechanisms of estrogen impacts on the growth hormone (GH)/insulin-like growth factor I (IGF-I) axis. Smolts in freshwater (FW) were either injected 3 times over 10 days with 2 μg g<sup>−1</sup> 17β-estradiol (E2) or 150 μg g<sup>−1</sup> 4-nonylphenol (NP). Seawater (SW)-acclimated fish received intraperitoneal implants of 30 μg g<sup>−1</sup> E2 over two weeks. Treatment with these estrogenic compounds increased hepatosomatic index and total plasma calcium. E2 and NP reduced maximum growth hormone binding by 30–60% in hepatic and branchial membranes in FW and SW, but did not alter the dissociation constant. E2 and NP treatment decreased plasma levels of IGF-I levels in both FW and SW. In FW E2 and NP decreased plasma GH whereas in SW plasma GH increased after E2 treatment. Compared to controls, plasma chloride concentrations of E2-treated fish were decreased 5.5 mM in FW and increased 10.5 mM in SW. There was no effect of NP or E2 on gill sodium–potassium adenosine triphosphatase (Na<sup>+</sup>/K<sup>+</sup>-ATPase) activity in FW smolts, whereas E2 treatment in SW reduced gill Na<sup>+</sup>/K<sup>+</sup>-ATPase activity and altered the number and size of ionocytes. Our data indicate that E2 downregulates the GH/IGF-I-axis and SW tolerance which may be part of its normal function for reproduction and movement into FW. We conclude that the mechanism of endocrine disruption of smolt development by NP is in part through alteration of the GH/IGF-I axis via reduced GH receptor abundance.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"General and Comparative Endocrinology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Elsevier","doi":"10.1016/j.ygcen.2012.08.001","usgsCitation":"Lerner, D.T., Sheridan, M.A., and McCormick, S., 2012, Estrogenic compounds decrease growth hormone receptor abundance and alter osmoregulation in Atlantic salmon: General and Comparative Endocrinology, v. 179, no. 2, p. 196-204, https://doi.org/10.1016/j.ygcen.2012.08.001.","productDescription":"9 p.","startPage":"196","endPage":"204","ipdsId":"IP-040740","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":272212,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":272211,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.ygcen.2012.08.001"}],"volume":"179","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd5833e4b0b290850f7eea","contributors":{"authors":[{"text":"Lerner, Darren T.","contributorId":23043,"corporation":false,"usgs":false,"family":"Lerner","given":"Darren","email":"","middleInitial":"T.","affiliations":[{"id":7212,"text":"University of Hawai‘i, Hawai‘i Institute of Marine Biology","active":true,"usgs":false}],"preferred":false,"id":473957,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sheridan, Mark A.","contributorId":81776,"corporation":false,"usgs":true,"family":"Sheridan","given":"Mark","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":473959,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McCormick, Stephen D. 0000-0003-0621-6200 smccormick@usgs.gov","orcid":"https://orcid.org/0000-0003-0621-6200","contributorId":39666,"corporation":false,"usgs":true,"family":"McCormick","given":"Stephen D.","email":"smccormick@usgs.gov","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":false,"id":473958,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70042900,"text":"70042900 - 2012 - Anisotropic path modeling to assess pedestrian-evacuation potential from Cascadia-related tsunamis in the US Pacific Northwest","interactions":[],"lastModifiedDate":"2013-04-13T18:49:07","indexId":"70042900","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2822,"text":"Natural Hazards","active":true,"publicationSubtype":{"id":10}},"title":"Anisotropic path modeling to assess pedestrian-evacuation potential from Cascadia-related tsunamis in the US Pacific Northwest","docAbstract":"Recent disasters highlight the threat that tsunamis pose to coastal communities. When developing tsunami-education efforts and vertical-evacuation strategies, emergency managers need to understand how much time it could take for a coastal population to reach higher ground before tsunami waves arrive. To improve efforts to model pedestrian evacuations from tsunamis, we examine the sensitivity of least-cost-distance models to variations in modeling approaches, data resolutions, and travel-rate assumptions. We base our observations on the assumption that an anisotropic approach that uses path-distance algorithms and accounts for variations in land cover and directionality in slope is the most realistic of an actual evacuation landscape. We focus our efforts on the Long Beach Peninsula in Washington (USA), where a substantial residential and tourist population is threatened by near-field tsunamis related to a potential Cascadia subduction zone earthquake. Results indicate thousands of people are located in areas where evacuations to higher ground will be difficult before arrival of the first tsunami wave. Deviations from anisotropic modeling assumptions substantially influence the amount of time likely needed to reach higher ground. Across the entire study, changes in resolution of elevation data has a greater impact on calculated travel times than changes in land-cover resolution. In particular areas, land-cover resolution had a substantial impact when travel-inhibiting waterways were not reflected in small-scale data. Changes in travel-speed parameters had a substantial impact also, suggesting the importance of public-health campaigns as a tsunami risk-reduction strategy.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Natural Hazards","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Springer","publisherLocation":"Amsterdam, Netherlands","doi":"10.1007/s11069-011-9994-2","usgsCitation":"Wood, N.J., and Schmidtlein, M.C., 2012, Anisotropic path modeling to assess pedestrian-evacuation potential from Cascadia-related tsunamis in the US Pacific Northwest: Natural Hazards, v. 62, no. 2, p. 275-300, https://doi.org/10.1007/s11069-011-9994-2.","productDescription":"26 p.","startPage":"275","endPage":"300","ipdsId":"IP-028922","costCenters":[{"id":657,"text":"Western Geographic Science Center","active":true,"usgs":true}],"links":[{"id":474157,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1007/s11069-011-9994-2","text":"Publisher Index Page"},{"id":270877,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":270876,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s11069-011-9994-2"}],"country":"United States","state":"Washington","otherGeospatial":"Long Beach Peninsula","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -124.84,45.54 ], [ -124.84,49.0 ], [ -116.92,49.0 ], [ -116.92,45.54 ], [ -124.84,45.54 ] ] ] } } ] }","volume":"62","issue":"2","noUsgsAuthors":false,"publicationDate":"2011-10-16","publicationStatus":"PW","scienceBaseUri":"53cd4d40e4b0b290850f16d8","contributors":{"authors":[{"text":"Wood, Nathan J. 0000-0002-6060-9729 nwood@usgs.gov","orcid":"https://orcid.org/0000-0002-6060-9729","contributorId":3347,"corporation":false,"usgs":true,"family":"Wood","given":"Nathan","email":"nwood@usgs.gov","middleInitial":"J.","affiliations":[{"id":657,"text":"Western Geographic Science Center","active":true,"usgs":true}],"preferred":true,"id":472537,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Schmidtlein, Mathew C.","contributorId":90999,"corporation":false,"usgs":true,"family":"Schmidtlein","given":"Mathew","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":472538,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70043864,"text":"70043864 - 2012 - A national geographic framework for guiding conservation on a landscape scale","interactions":[],"lastModifiedDate":"2013-02-26T13:22:11","indexId":"70043864","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2287,"text":"Journal of Fish and Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"A national geographic framework for guiding conservation on a landscape scale","docAbstract":"The U.S. Fish and Wildlife Service, along with the global conservation community, has recognized that the conservation challenges of the 21st century far exceed the responsibilities and footprint of any individual agency or program. The ecological effects of climate change and other anthropogenic stressors do not recognize geopolitical boundaries and, as such, demand a national geographic framework to provide structure for cross-jurisdictional and landscape-scale conservation strategies. In 2009, a new map of ecologically based conservation regions in which to organize capacity and implement strategic habitat conservation was developed using rapid prototyping and expert elicitation by an interagency team of U.S. Fish and Wildlife Service and U.S. Geological Survey scientists and conservation professionals. Incorporating Bird Conservation Regions, Freshwater Ecoregions, and U.S. Geological Survey hydrologic unit codes, the new geographic framework provides a spatial template for building conservation capacity and focusing biological planning and conservation design efforts. The Department of Interior's Landscape Conservation Cooperatives are being organized in these new conservation regions as multi-stakeholder collaborations for improved conservation science and management.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Fish and Wildlife Management","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"U.S. Fish and Wildlife Service","publisherLocation":"Arlington, VA","doi":"10.3996/052011-JFWM-030","usgsCitation":"Millard, M.J., Czarnecki, C.A., Morton, J.M., Brandt, L., Briggs, J., Shipley, F.S., Sayre, R.G., Sponholtz, P.J., Perkins, D., Simpkins, D.G., and Taylor, J., 2012, A national geographic framework for guiding conservation on a landscape scale: Journal of Fish and Wildlife Management, v. 3, no. 1, p. 175-183, https://doi.org/10.3996/052011-JFWM-030.","productDescription":"9 p.","startPage":"175","endPage":"183","ipdsId":"IP-029673","costCenters":[{"id":529,"text":"Pacific Southwest Regional Executive Office","active":false,"usgs":true}],"links":[{"id":268390,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":268389,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.3996/052011-JFWM-030"}],"country":"United States","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ 172.5,18.9 ], [ 172.5,71.4 ], [ -66.9,71.4 ], [ -66.9,18.9 ], [ 172.5,18.9 ] ] ] } } ] }","volume":"3","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd4a22e4b0b290850ef964","contributors":{"authors":[{"text":"Millard, Michael J.","contributorId":23411,"corporation":false,"usgs":false,"family":"Millard","given":"Michael","email":"","middleInitial":"J.","affiliations":[{"id":6987,"text":"U.S. Fish and Wildlife Sevice","active":true,"usgs":false}],"preferred":false,"id":474333,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Czarnecki, Craig A.","contributorId":73086,"corporation":false,"usgs":true,"family":"Czarnecki","given":"Craig","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":474336,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Morton, John M.","contributorId":17097,"corporation":false,"usgs":true,"family":"Morton","given":"John","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":474331,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Brandt, Laura A.","contributorId":18608,"corporation":false,"usgs":false,"family":"Brandt","given":"Laura A.","affiliations":[{"id":6987,"text":"U.S. Fish and Wildlife Sevice","active":true,"usgs":false}],"preferred":false,"id":474332,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Briggs, Jennifer S.","contributorId":101167,"corporation":false,"usgs":true,"family":"Briggs","given":"Jennifer S.","affiliations":[],"preferred":false,"id":474337,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Shipley, Frank S. frank_shipley@usgs.gov","contributorId":3804,"corporation":false,"usgs":true,"family":"Shipley","given":"Frank","email":"frank_shipley@usgs.gov","middleInitial":"S.","affiliations":[],"preferred":true,"id":474329,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Sayre, Roger G. rsayre@usgs.gov","contributorId":2882,"corporation":false,"usgs":true,"family":"Sayre","given":"Roger","email":"rsayre@usgs.gov","middleInitial":"G.","affiliations":[],"preferred":false,"id":474328,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Sponholtz, Pamela J.","contributorId":51176,"corporation":false,"usgs":true,"family":"Sponholtz","given":"Pamela","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":474334,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Perkins, David","contributorId":102357,"corporation":false,"usgs":true,"family":"Perkins","given":"David","affiliations":[],"preferred":false,"id":474338,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Simpkins, Darin G.","contributorId":10892,"corporation":false,"usgs":true,"family":"Simpkins","given":"Darin","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":474330,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Taylor, Janith","contributorId":66832,"corporation":false,"usgs":true,"family":"Taylor","given":"Janith","affiliations":[],"preferred":false,"id":474335,"contributorType":{"id":1,"text":"Authors"},"rank":11}]}}
,{"id":70043876,"text":"70043876 - 2012 - Lichens: Unexpected anti-prion agents?","interactions":[],"lastModifiedDate":"2018-03-27T17:41:00","indexId":"70043876","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3121,"text":"Prion","onlineIssn":"1933-690X","printIssn":"1933-6896","active":true,"publicationSubtype":{"id":10}},"title":"Lichens: Unexpected anti-prion agents?","docAbstract":"<p><span>The prion diseases sheep scrapie and cervid chronic wasting disease are transmitted, in part, via an environmental reservoir of infectivity; prions released from infected animals persist in the environment and can cause disease years later. Central to controlling disease transmission is the identification of methods capable of inactivating these agents on the landscape. We have found that certain lichens, common, ubiquitous, symbiotic organisms, possess a serine protease capable of degrading prion protein (PrP) from prion-infected animals. The protease functions against a range of prion strains from various hosts and reduces levels of abnormal PrP by at least two logs. We have now tested more than 20 lichen species from several geographical locations and from various taxa and found that approximately half of these species degrade PrP. Critical next steps include examining the effect of lichens on prion infectivity and cloning the protease responsible for PrP degradation. The impact of lichens on prions in the environment remains unknown. We speculate that lichens could have the potential to degrade prions when they are shed from infected animals onto lichens or into environments where lichens are abundant. In addition, lichens are frequently consumed by cervids and many other animals and the effect of dietary lichens on prion disease transmission should also be considered.</span></p>","language":"English","publisher":"Taylor & Francis","doi":"10.4161/pri.6.1.17414","usgsCitation":"Rodriguez, C.M., Bennett, J.P., and Johnson, C.J., 2012, Lichens: Unexpected anti-prion agents?: Prion, v. 6, no. 1, p. 11-16, https://doi.org/10.4161/pri.6.1.17414.","productDescription":"6 p.","startPage":"11","endPage":"16","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-034034","costCenters":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"links":[{"id":474252,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://doi.org/10.4161/pri.6.1.17414","text":"External Repository"},{"id":274086,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Peru, United States","state":"Arkansas, California, Michigan, Missouri, Oregon, Texas, 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 \"}}]}","volume":"6","issue":"1","noUsgsAuthors":false,"publicationDate":"2014-10-28","publicationStatus":"PW","scienceBaseUri":"51c96a67e4b0a50a6e8f580a","contributors":{"authors":[{"text":"Rodriguez, Cynthia M.","contributorId":27753,"corporation":false,"usgs":true,"family":"Rodriguez","given":"Cynthia","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":474355,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bennett, James P.","contributorId":100323,"corporation":false,"usgs":true,"family":"Bennett","given":"James","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":474356,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Johnson, Christopher J. cjjohnson@usgs.gov","contributorId":3491,"corporation":false,"usgs":true,"family":"Johnson","given":"Christopher","email":"cjjohnson@usgs.gov","middleInitial":"J.","affiliations":[{"id":456,"text":"National Wildlife Health 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,{"id":70044506,"text":"70044506 - 2012 - Temporal evolution of stable water isotopologues in cloud droplets in a hill cap cloud in central Europe (HCCT-2010)","interactions":[],"lastModifiedDate":"2013-04-09T15:40:48","indexId":"70044506","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":922,"text":"Atmospheric Chemistry and Physics","active":true,"publicationSubtype":{"id":10}},"title":"Temporal evolution of stable water isotopologues in cloud droplets in a hill cap cloud in central Europe (HCCT-2010)","docAbstract":"In this work, we present the first study resolving the temporal evolution of δ<sup>2</sup>H and δ<sup>18</sup>O values in cloud droplets during 13 different cloud events. The cloud events were probed on a 937 m high mountain chain in Germany in the framework of the Hill Cap Cloud Thuringia 2010 campaign (HCCT-2010) in September and October 2010. The δ values of cloud droplets ranged from −77‰ to −15‰ (δ<sup>2</sup>H) and from −12.1‰ to −3.9‰ (δ<sup>18</sup>O) over the whole campaign. The cloud water line of the measured δ values was δ<sup>2</sup>H=7.8×δ<sup>18</sup>O+13×10−3, which is of similar slope, but with higher deuterium excess than other Central European Meteoric Water Lines. Decreasing δ values in the course of the campaign agree with seasonal trends observed in rain in central Europe. The deuterium excess was higher in clouds developing after recent precipitation revealing episodes of regional moisture recycling. The variations in δ values during one cloud event could either result from changes in meteorological conditions during condensation or from variations in the δ values of the water vapor feeding the cloud. To test which of both aspects dominated during the investigated cloud events, we modeled the variation in δ values in cloud water using a closed box model. We could show that the variation in δ values of two cloud events was mainly due to changes in local temperature conditions. For the other eleven cloud events, the variation was most likely caused by changes in the isotopic composition of the advected and entrained vapor. Frontal passages during two of the latter cloud events led to the strongest temporal changes in both δ<sup>2</sup>H (≈ 6‰ per hour) and δ<sup>18</sup>O (≈ 0.6‰ per hour). Moreover, a detailed trajectory analysis for the two longest cloud events revealed that variations in the entrained vapor were most likely related to rain out or changes in relative humidity and temperature at the moisture source region or both. This study illustrates the sensitivity of stable isotope composition of cloud water to changes in large scale air mass properties and regional recycling of moisture.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Atmospheric Chemistry and Physics","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"European Geosciences Union","publisherLocation":"Munich, Germany","doi":"10.5194/acp-12-11679-2012","usgsCitation":"Spiegel, J., Aemisegger, F., Scholl, M., Wienhold, F., Collett, J., Lee, T., van Pinxteren, D., Mertes, S., Tilgner, A., Herrmann, H., Werner, R., Buchmann, N., and Eugster, W., 2012, Temporal evolution of stable water isotopologues in cloud droplets in a hill cap cloud in central Europe (HCCT-2010): Atmospheric Chemistry and Physics, v. 12, no. 23, p. 11679-11694, https://doi.org/10.5194/acp-12-11679-2012.","productDescription":"16 p.","startPage":"11679","endPage":"11694","ipdsId":"IP-042392","costCenters":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"links":[{"id":474159,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.5194/acp-12-11679-2012","text":"Publisher Index Page"},{"id":270722,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.5194/acp-12-11679-2012"},{"id":270723,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"Europe","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -28.0,33.9 ], [ -28.0,72.5 ], [ 74.1,72.5 ], [ 74.1,33.9 ], [ -28.0,33.9 ] ] ] } } ] }","volume":"12","issue":"23","noUsgsAuthors":false,"publicationDate":"2012-12-06","publicationStatus":"PW","scienceBaseUri":"51653872e4b077fa94dae01e","contributors":{"authors":[{"text":"Spiegel, J.K.","contributorId":6738,"corporation":false,"usgs":true,"family":"Spiegel","given":"J.K.","email":"","affiliations":[],"preferred":false,"id":475761,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Aemisegger, F.","contributorId":105614,"corporation":false,"usgs":true,"family":"Aemisegger","given":"F.","email":"","affiliations":[],"preferred":false,"id":475773,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Scholl, M.","contributorId":32385,"corporation":false,"usgs":true,"family":"Scholl","given":"M.","affiliations":[],"preferred":false,"id":475767,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Wienhold, F.G.","contributorId":11489,"corporation":false,"usgs":true,"family":"Wienhold","given":"F.G.","email":"","affiliations":[],"preferred":false,"id":475762,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Collett, J.L. Jr.","contributorId":42426,"corporation":false,"usgs":true,"family":"Collett","given":"J.L.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":475769,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Lee, T.","contributorId":91720,"corporation":false,"usgs":true,"family":"Lee","given":"T.","affiliations":[],"preferred":false,"id":475771,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"van Pinxteren, D.","contributorId":18646,"corporation":false,"usgs":true,"family":"van Pinxteren","given":"D.","email":"","affiliations":[],"preferred":false,"id":475766,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Mertes, S.","contributorId":85859,"corporation":false,"usgs":true,"family":"Mertes","given":"S.","email":"","affiliations":[],"preferred":false,"id":475770,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Tilgner, A.","contributorId":14276,"corporation":false,"usgs":true,"family":"Tilgner","given":"A.","email":"","affiliations":[],"preferred":false,"id":475765,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Herrmann, H.","contributorId":12344,"corporation":false,"usgs":true,"family":"Herrmann","given":"H.","email":"","affiliations":[],"preferred":false,"id":475764,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Werner, Roland A.","contributorId":103488,"corporation":false,"usgs":true,"family":"Werner","given":"Roland A.","affiliations":[],"preferred":false,"id":475772,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Buchmann, N.","contributorId":11906,"corporation":false,"usgs":true,"family":"Buchmann","given":"N.","affiliations":[],"preferred":false,"id":475763,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Eugster, W.","contributorId":32701,"corporation":false,"usgs":true,"family":"Eugster","given":"W.","email":"","affiliations":[],"preferred":false,"id":475768,"contributorType":{"id":1,"text":"Authors"},"rank":13}]}}
,{"id":70043877,"text":"70043877 - 2012 - Introduced and invasive species in novel rangeland ecosystems: friends or foes?","interactions":[],"lastModifiedDate":"2013-06-13T09:44:41","indexId":"70043877","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3228,"text":"Rangeland Ecology and Management","onlineIssn":"1551-5028","printIssn":"1550-7424","active":true,"publicationSubtype":{"id":10}},"title":"Introduced and invasive species in novel rangeland ecosystems: friends or foes?","docAbstract":"Globally, new combinations of introduced and native plant and animal species have changed rangelands into novel ecosystems. Whereas many rangeland stakeholders (people who use or have an interest in rangelands) view intentional species introductions to improve forage and control erosion as beneficial, others focus on unintended costs, such as increased fire risk, loss of rangeland biodiversity, and threats to conservation efforts, specifically in nature reserves and parks. These conflicting views challenge all rangeland stakeholders, especially those making decisions on how best to manage novel ecosystems. To formulate a conceptual framework for decision making, we examined a wide range of novel ecosystems, created by intentional and unintentional introductions of nonnative species and land-use–facilitated spread of native ones. This framework simply divides decision making into two types: 1) straightforward–certain, and 2) complex–uncertain. We argue that management decisions to retain novel ecosystems are certain when goods and services provided by the system far outweigh the costs of restoration, for example in the case of intensively managed Cenchrus pastures. Decisions to return novel ecosystems to natural systems are also certain when the value of the system is low and restoration is easy and inexpensive as in the case of biocontrol of Opuntia infestations. In contrast, decisions whether to retain or restore novel ecosystems become complex and uncertain in cases where benefits are low and costs of control are high as, for example, in the case of stopping the expansion of Prosopis and Juniperus into semiarid rangelands. Decisions to retain or restore novel ecosystems are also complex and uncertain when, for example, nonnative Eucalyptus trees expand along natural streams, negatively affecting biodiversity, but also providing timber and honey. When decision making is complex and uncertain, we suggest that rangeland managers utilize cost–benefit analyses and hold stakeholder workshops to resolve conflicts.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Rangeland Ecology and Management","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Society for Range Management","doi":"10.2111/REM-D-11-00157.1","usgsCitation":"Belnap, J., Ludwig, J.A., Wilcox, B.P., Betancourt, J.L., Dean, W.R., Hoffmann, B.D., and Milton, S.J., 2012, Introduced and invasive species in novel rangeland ecosystems: friends or foes?: Rangeland Ecology and Management, v. 65, no. 6, p. 569-578, https://doi.org/10.2111/REM-D-11-00157.1.","productDescription":"10 p.","startPage":"569","endPage":"578","ipdsId":"IP-030864","costCenters":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"links":[{"id":474141,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://doi.org/10.2111/rem-d-11-00157.1","text":"External Repository"},{"id":273677,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":273676,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.2111/REM-D-11-00157.1"}],"volume":"65","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"51baeb88e4b02914c2497f9d","contributors":{"authors":[{"text":"Belnap, Jayne 0000-0001-7471-2279 jayne_belnap@usgs.gov","orcid":"https://orcid.org/0000-0001-7471-2279","contributorId":1332,"corporation":false,"usgs":true,"family":"Belnap","given":"Jayne","email":"jayne_belnap@usgs.gov","affiliations":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"preferred":true,"id":474357,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ludwig, John A.","contributorId":61730,"corporation":false,"usgs":true,"family":"Ludwig","given":"John","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":474361,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wilcox, Bradford P.","contributorId":55298,"corporation":false,"usgs":true,"family":"Wilcox","given":"Bradford","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":474359,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Betancourt, Julio L. 0000-0002-7165-0743 jlbetanc@usgs.gov","orcid":"https://orcid.org/0000-0002-7165-0743","contributorId":3376,"corporation":false,"usgs":true,"family":"Betancourt","given":"Julio","email":"jlbetanc@usgs.gov","middleInitial":"L.","affiliations":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true},{"id":554,"text":"Science and Decisions Center","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":474358,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Dean, W. Richard J.","contributorId":93799,"corporation":false,"usgs":true,"family":"Dean","given":"W.","email":"","middleInitial":"Richard J.","affiliations":[],"preferred":false,"id":474363,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Hoffmann, Benjamin D.","contributorId":78633,"corporation":false,"usgs":true,"family":"Hoffmann","given":"Benjamin","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":474362,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Milton, Sue J.","contributorId":58926,"corporation":false,"usgs":true,"family":"Milton","given":"Sue","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":474360,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70042851,"text":"70042851 - 2012 - Geologic isolation of nuclear waste at high latitudes: the role of ice sheets","interactions":[],"lastModifiedDate":"2013-02-26T11:55:15","indexId":"70042851","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1765,"text":"Geofluids","active":true,"publicationSubtype":{"id":10}},"title":"Geologic isolation of nuclear waste at high latitudes: the role of ice sheets","docAbstract":"Geologic isolation of high-level nuclear waste from the biosphere requires special consideration in countries at high latitudes (>40°N) owing to the possibility of future episodes of continental glaciation (Talbot 1999). It is now widely recognized that Pleistocene continental glaciations have had a profound effect on rates of sediment erosion (Cuffey & Paterson 2010) and deformation including tectonic thrusting (Pedersen 2005) as well as groundwater flow (Person et al. 2007; Lemieux et al. 2008a,b,c). In addition, glacial mechanical loads may have generated anomalous, or fossil, pore pressures within certain clay-rich confining units (e.g. Vinard et al. 2001). Because high-level nuclear wastes must be isolated from the biosphere as long as 1 million years (McMurry et al. 2003), the likelihood of one or more continental ice sheets overrunning high-latitude sites must be considered.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geofluids","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Wiley","publisherLocation":"Hoboken, NJ","doi":"10.1111/j.1468-8123.2011.00358.x","usgsCitation":"Person, M., McIntosh, J., Iverson, N., Neuzil, C., and Bense, V., 2012, Geologic isolation of nuclear waste at high latitudes: the role of ice sheets: Geofluids, v. 12, no. 1, p. 1-6, https://doi.org/10.1111/j.1468-8123.2011.00358.x.","productDescription":"6 p.","startPage":"1","endPage":"6","ipdsId":"IP-028684","costCenters":[{"id":146,"text":"Branch of Regional Research-Eastern Region","active":false,"usgs":true}],"links":[{"id":268368,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":267169,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1468-8123.2011.00358.x"}],"volume":"12","issue":"1","noUsgsAuthors":false,"publicationDate":"2012-02-20","publicationStatus":"PW","scienceBaseUri":"53cd5bc8e4b0b290850fa1e2","contributors":{"authors":[{"text":"Person, M.","contributorId":20876,"corporation":false,"usgs":true,"family":"Person","given":"M.","email":"","affiliations":[],"preferred":false,"id":472388,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McIntosh, J.","contributorId":58872,"corporation":false,"usgs":true,"family":"McIntosh","given":"J.","email":"","affiliations":[],"preferred":false,"id":472389,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Iverson, N.","contributorId":64965,"corporation":false,"usgs":true,"family":"Iverson","given":"N.","email":"","affiliations":[],"preferred":false,"id":472390,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Neuzil, C. E. 0000-0003-2022-4055","orcid":"https://orcid.org/0000-0003-2022-4055","contributorId":81078,"corporation":false,"usgs":true,"family":"Neuzil","given":"C. E.","affiliations":[],"preferred":false,"id":472392,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Bense, V.","contributorId":70624,"corporation":false,"usgs":true,"family":"Bense","given":"V.","affiliations":[],"preferred":false,"id":472391,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70044067,"text":"70044067 - 2012 - Arctic shorebirds in North America: A decade of monitoring","interactions":[],"lastModifiedDate":"2018-01-28T09:29:31","indexId":"70044067","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":4,"text":"Book"},"publicationSubtype":{"id":15,"text":"Monograph"},"seriesTitle":{"id":5611,"text":"Studies in Avian Biology","active":true,"publicationSubtype":{"id":15}},"seriesNumber":"44","title":"Arctic shorebirds in North America: A decade of monitoring","docAbstract":"Each year shorebirds from North and South America migrate thousands of miles to spend the summer in the Arctic. There they feed in shoreline marshes and estuaries along some of the most productive and pristine coasts anywhere. With so much available food they are able to reproduce almost explosively; and as winter approaches, they retreat south along with their offspring, to return to the Arctic the following spring. This remarkable pattern of movement and activity has been the object of intensive study by an international team of ornithologists who have spent a decade counting, surveying, and observing these shorebirds. In this important synthetic work, they address multiple questions about these migratory bird populations. How many birds occupy Arctic ecosystems each summer? How long do visiting shorebirds linger before heading south? How fecund are these birds? Where exactly do they migrate and where exactly do they return? Are their populations growing or shrinking? The results of this study are crucial for better understanding how environmental policies will influence Arctic habitats as well as the far-ranging winter habitats used by migratory shorebirds.","language":"English","publisher":"University of California Press","publisherLocation":"Berkeley, CA","isbn":"9780520273108","usgsCitation":"2012, Arctic shorebirds in North America: A decade of monitoring: Studies in Avian Biology 44, 320 p.","productDescription":"320 p.","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"links":[{"id":268321,"type":{"id":15,"text":"Index Page"},"url":"https://www.ucpress.edu/book.php?isbn=9780520273108"},{"id":268322,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"North America","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd4ddee4b0b290850f1c05","contributors":{"editors":[{"text":"Bart, Jonathan R.","contributorId":74273,"corporation":false,"usgs":true,"family":"Bart","given":"Jonathan","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":726066,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Johnston, Victoria H.","contributorId":70667,"corporation":false,"usgs":true,"family":"Johnston","given":"Victoria","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":726067,"contributorType":{"id":2,"text":"Editors"},"rank":2}]}}
,{"id":70044449,"text":"70044449 - 2012 - Assessing California groundwater susceptibility using trace concentrations of halogenated volatile organic compounds","interactions":[],"lastModifiedDate":"2013-04-14T13:45:14","indexId":"70044449","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","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":"Assessing California groundwater susceptibility using trace concentrations of halogenated volatile organic compounds","docAbstract":"Twenty-four halogenated volatile organic compounds (hVOCs) and SF<sub>6</sub> were measured in groundwater samples collected from 312 wells across California at concentrations as low as 10<sup>–12</sup> grams per kilogram groundwater. The hVOCs detected are predominately anthropogenic (i.e., “ahVOCs”) and as such their distribution delineates where groundwaters are impacted and susceptible to human activity. ahVOC detections were broadly consistent with air-saturated water concentrations in equilibrium with a combination of industrial-era global and regional hVOC atmospheric abundances. However, detection of ahVOCs in nearly all of the samples collected, including ancient groundwaters, suggests the presence of a sampling or analytical artifact that confounds interpretation of the very-low concentration ahVOC data. To increase our confidence in ahVOC detections we establish screening levels based on ahVOC concentrations in deep wells drawing ancient groundwater in Owens Valley. Concentrations of ahVOCs below the Owens Valley screening levels account for a large number of the detections in prenuclear groundwater across California without significant loss of ahVOC detections in shallow, recently recharged groundwaters. Over 80% of the groundwaters in this study contain at least one ahVOC after screening, indicating that the footprint of human industry is nearly ubiquitous and that most California groundwaters are vulnerable to contamination from land-surface activities.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Environmental Science and Technology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"ACS Publications","publisherLocation":"Washington, D.C.","doi":"10.1021/es303546b","usgsCitation":"Deeds, D.A., Kulongoski, J., and Belitz, K., 2012, Assessing California groundwater susceptibility using trace concentrations of halogenated volatile organic compounds: Environmental Science & Technology, v. 46, no. 24, p. 13128-13135, https://doi.org/10.1021/es303546b.","productDescription":"8 p.","startPage":"13128","endPage":"13135","ipdsId":"IP-040240","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":270881,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":270880,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1021/es303546b"}],"country":"United States","state":"California","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -124.4,32.5 ], [ -124.4,42.0 ], [ -114.1,42.0 ], [ -114.1,32.5 ], [ -124.4,32.5 ] ] ] } } ] }","volume":"46","issue":"24","noUsgsAuthors":false,"publicationDate":"2012-11-29","publicationStatus":"PW","scienceBaseUri":"516bcfe9e4b0eae401aec237","contributors":{"authors":[{"text":"Deeds, Daniel A. ddeeds@usgs.gov","contributorId":83003,"corporation":false,"usgs":true,"family":"Deeds","given":"Daniel","email":"ddeeds@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":false,"id":475635,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kulongoski, Justin T. 0000-0002-3498-4154","orcid":"https://orcid.org/0000-0002-3498-4154","contributorId":94750,"corporation":false,"usgs":true,"family":"Kulongoski","given":"Justin T.","affiliations":[],"preferred":false,"id":475636,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Belitz, Kenneth 0000-0003-4481-2345 kbelitz@usgs.gov","orcid":"https://orcid.org/0000-0003-4481-2345","contributorId":442,"corporation":false,"usgs":true,"family":"Belitz","given":"Kenneth","email":"kbelitz@usgs.gov","affiliations":[{"id":27111,"text":"National Water Quality Program","active":true,"usgs":true},{"id":466,"text":"New England Water Science Center","active":true,"usgs":true},{"id":451,"text":"National Water Quality Assessment Program","active":true,"usgs":true},{"id":503,"text":"Office of Water Quality","active":true,"usgs":true},{"id":376,"text":"Massachusetts Water Science Center","active":true,"usgs":true}],"preferred":true,"id":475634,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70044426,"text":"70044426 - 2012 - Evidence of autumn spawning in Suwannee River Gulf sturgeon, Acipenser oxyrinchus desotoi (Vladykov, 1955)","interactions":[],"lastModifiedDate":"2013-05-14T11:50:24","indexId":"70044426","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2166,"text":"Journal of Applied Ichthyology","active":true,"publicationSubtype":{"id":10}},"title":"Evidence of autumn spawning in Suwannee River Gulf sturgeon, Acipenser oxyrinchus desotoi (Vladykov, 1955)","docAbstract":"Evidence of autumn spawning of Gulf sturgeon Acipenser oxyrinchus desotoi in the Suwannee River, Florida, was compiled from multiple investigations between 1986 and 2008. Gulf sturgeon are known from egg collections to spawn in the springtime months following immigration into rivers. Evidence of autumn spawning includes multiple captures of sturgeon in September through early November that were ripe (late-development ova; motile sperm) or exhibited just-spawned characteristics, telemetry of fish that made >175 river kilometer upstream excursions to the spawning grounds in September–October, and the capture of a 9.3 cm TL age-0 Gulf sturgeon on 29 November 2000 (which would have been spawned in late September 2000). Analysis of age-at-length data indicates that ca. 20% of the Suwannee River Gulf sturgeon population may be attributable to autumn spawning. However, with the very low sampling effort expended, eggs or early life stages have not yet been captured in the autumn, which would be the conclusive proof of autumn spawning. More sampling, and sampling at previously unknown sites frequented by acoustic telemetry fish, would be required to find eggs.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Applied Ichthyology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Wiley","doi":"10.1111/j.1439-0426.2012.01960.x","usgsCitation":"Randall, M., and Sulak, K., 2012, Evidence of autumn spawning in Suwannee River Gulf sturgeon, Acipenser oxyrinchus desotoi (Vladykov, 1955): Journal of Applied Ichthyology, v. 28, no. 4, p. 489-495, https://doi.org/10.1111/j.1439-0426.2012.01960.x.","productDescription":"7 p.","startPage":"489","endPage":"495","ipdsId":"IP-014866","costCenters":[{"id":566,"text":"Southeast Ecological Science Center","active":true,"usgs":true}],"links":[{"id":474292,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/j.1439-0426.2012.01960.x","text":"Publisher Index Page"},{"id":272230,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":272229,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1439-0426.2012.01960.x"}],"country":"United States","state":"Florida","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -87.63,24.52 ], [ -87.63,31.0 ], [ -80.0,31.0 ], [ -80.0,24.52 ], [ -87.63,24.52 ] ] ] } } ] }","volume":"28","issue":"4","noUsgsAuthors":false,"publicationDate":"2012-03-03","publicationStatus":"PW","scienceBaseUri":"53cd58a0e4b0b290850f835c","contributors":{"authors":[{"text":"Randall, M.T.","contributorId":39616,"corporation":false,"usgs":true,"family":"Randall","given":"M.T.","email":"","affiliations":[],"preferred":false,"id":475571,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sulak, K. J. 0000-0002-4795-9310","orcid":"https://orcid.org/0000-0002-4795-9310","contributorId":76690,"corporation":false,"usgs":true,"family":"Sulak","given":"K. J.","affiliations":[],"preferred":false,"id":475572,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
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