No abstract available
","language":"English","publisher":"U.S. Army Corps of Engineers","usgsCitation":"Counihan, T., Puls, A., Walker, C., and Holmberg, G., 2006, Survival estimates of migrant juvenile salmonids through The Dalles Dam using radio telemetry, 2005.","costCenters":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"links":[{"id":335754,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58a6c83ae4b025c4642862c4","contributors":{"authors":[{"text":"Counihan, T.","contributorId":177960,"corporation":false,"usgs":false,"family":"Counihan","given":"T.","email":"","affiliations":[],"preferred":false,"id":669716,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Puls, A.","contributorId":181835,"corporation":false,"usgs":false,"family":"Puls","given":"A.","email":"","affiliations":[],"preferred":false,"id":669717,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Walker, C.","contributorId":181836,"corporation":false,"usgs":false,"family":"Walker","given":"C.","affiliations":[],"preferred":false,"id":669718,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Holmberg, G.","contributorId":178828,"corporation":false,"usgs":false,"family":"Holmberg","given":"G.","email":"","affiliations":[],"preferred":false,"id":669719,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70182128,"text":"70182128 - 2006 - Passage behavior of radio-tagged subyearling Chinook salmon at Bonneville Dam, 2005","interactions":[],"lastModifiedDate":"2017-02-23T11:42:34","indexId":"70182128","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"title":"Passage behavior of radio-tagged subyearling Chinook salmon at Bonneville Dam, 2005","docAbstract":"No abstract available
","language":"English","publisher":"U.S. Army Corps of Engineers","usgsCitation":"Reagan, R., Farley, M., Evans, S., Wright, L., Adams, N., and Rondorf, D., 2006, Passage behavior of radio-tagged subyearling Chinook salmon at Bonneville Dam, 2005.","costCenters":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"links":[{"id":335761,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58a6c83ae4b025c4642862c2","contributors":{"authors":[{"text":"Reagan, R.E.","contributorId":50474,"corporation":false,"usgs":true,"family":"Reagan","given":"R.E.","email":"","affiliations":[],"preferred":false,"id":669722,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Farley, M.J.","contributorId":178350,"corporation":false,"usgs":false,"family":"Farley","given":"M.J.","email":"","affiliations":[],"preferred":false,"id":669721,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Evans, S.D.","contributorId":69282,"corporation":false,"usgs":true,"family":"Evans","given":"S.D.","email":"","affiliations":[],"preferred":false,"id":669720,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Wright, L.S","contributorId":178349,"corporation":false,"usgs":false,"family":"Wright","given":"L.S","email":"","affiliations":[],"preferred":false,"id":669723,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Adams, N.S.","contributorId":178351,"corporation":false,"usgs":false,"family":"Adams","given":"N.S.","email":"","affiliations":[],"preferred":false,"id":669724,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Rondorf, D.W.","contributorId":80789,"corporation":false,"usgs":true,"family":"Rondorf","given":"D.W.","email":"","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":false,"id":669725,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70028365,"text":"70028365 - 2006 - Relationship between shrubs and foods in mountain plover habitat in Park County, Colorado","interactions":[],"lastModifiedDate":"2012-03-12T17:20:44","indexId":"70028365","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3451,"text":"Southwestern Naturalist","active":true,"publicationSubtype":{"id":10}},"title":"Relationship between shrubs and foods in mountain plover habitat in Park County, Colorado","docAbstract":"We explored habitat use in terms of vegetation structure and potential forage availability for mountain plovers (Charadrius montanus) in Park County, Colorado. We quantified the percentage cover of bare ground, percentage cover of shrubs (Chrysothamnus visadiflorus), linear distance to nearest shrub, arthropod biomass, and grasshopper density for 102 plots of 1,963 m2, 51 of which were occupied by plovers and 51 of which were selected randomly within previously-classified potential habitat. We modeled the probability of habitat use by plovers based on these measurements. We further subdivided the occupied plots to model probability of habitat use by adults with broods as compared with use by pre-nesting and post-nesting adults. Percentage of bare ground and probability of habitat use for adults with broods were related inversely, but not so for adults without broods. Grasshopper density was positively related to probability of habitat use by adults without broods, whereas proximity to nearest shrub was negatively related. We propose that habitat use by plovers in South Park is influenced by the amount of available shrub-grassland edge habitat and the availability of forage.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Southwestern Naturalist","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1894/0038-4909(2006)51[197:RBSAFI]2.0.CO;2","issn":"00384909","usgsCitation":"Schneider, S., Wunder, M., and Knopf, F., 2006, Relationship between shrubs and foods in mountain plover habitat in Park County, Colorado: Southwestern Naturalist, v. 51, no. 2, p. 197-202, https://doi.org/10.1894/0038-4909(2006)51[197:RBSAFI]2.0.CO;2.","startPage":"197","endPage":"202","numberOfPages":"6","costCenters":[],"links":[{"id":210271,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1894/0038-4909(2006)51[197:RBSAFI]2.0.CO;2"},{"id":237140,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"51","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"50e4a75ee4b0e8fec6cdc41d","contributors":{"authors":[{"text":"Schneider, S.C.","contributorId":92126,"corporation":false,"usgs":true,"family":"Schneider","given":"S.C.","email":"","affiliations":[],"preferred":false,"id":417753,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wunder, Michael B.","contributorId":65406,"corporation":false,"usgs":false,"family":"Wunder","given":"Michael B.","affiliations":[{"id":6674,"text":"Department of Integrative Biology, University of Colorado Denver","active":true,"usgs":false}],"preferred":false,"id":417752,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Knopf, F.L.","contributorId":26998,"corporation":false,"usgs":true,"family":"Knopf","given":"F.L.","email":"","affiliations":[],"preferred":false,"id":417751,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70182470,"text":"70182470 - 2006 - Fish tag recovery from the American White Pelican nesting colony on Anaho Island, Pyramid Lake, Nevada","interactions":[],"lastModifiedDate":"2017-02-23T11:41:30","indexId":"70182470","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5303,"text":"Great Basin Birds","active":true,"publicationSubtype":{"id":10}},"title":"Fish tag recovery from the American White Pelican nesting colony on Anaho Island, Pyramid Lake, Nevada","docAbstract":"No abstract available
","language":"English","usgsCitation":"Scoppettone, G., Rissler, P., Withers, D., and Fabes, M., 2006, Fish tag recovery from the American White Pelican nesting colony on Anaho Island, Pyramid Lake, Nevada: Great Basin Birds, v. 8, p. 6-10.","productDescription":"5 p. ","startPage":"6","endPage":"10","costCenters":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"links":[{"id":336076,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Nevada","otherGeospatial":"Anaho Island ","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -119.51210975646973,\n 39.96587213561971\n ],\n [\n -119.52198028564453,\n 39.964293326050175\n ],\n [\n -119.52652931213379,\n 39.94633180116148\n ],\n [\n -119.50987815856932,\n 39.94244938651828\n ],\n [\n -119.49408531188963,\n 39.9500166010947\n ],\n [\n -119.50987815856932,\n 39.965148519092814\n ],\n [\n -119.51210975646973,\n 39.96587213561971\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"8","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58b002c7e4b01ccd54fb27d5","contributors":{"authors":[{"text":"Scoppettone, G.G.","contributorId":22793,"corporation":false,"usgs":true,"family":"Scoppettone","given":"G.G.","email":"","affiliations":[],"preferred":false,"id":671220,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rissler, P.H.","contributorId":47539,"corporation":false,"usgs":true,"family":"Rissler","given":"P.H.","affiliations":[],"preferred":false,"id":671221,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Withers, D.","contributorId":19370,"corporation":false,"usgs":true,"family":"Withers","given":"D.","email":"","affiliations":[],"preferred":false,"id":671222,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Fabes, M.C.","contributorId":182357,"corporation":false,"usgs":false,"family":"Fabes","given":"M.C.","affiliations":[],"preferred":false,"id":671223,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70028384,"text":"70028384 - 2006 - Simulating the effects of frequent fire on southern california coastal shrublands","interactions":[],"lastModifiedDate":"2012-03-12T17:20:45","indexId":"70028384","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","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":"Simulating the effects of frequent fire on southern california coastal shrublands","docAbstract":"Fire disturbance is a primary agent of change in the mediterranean-climate chaparral shrublands of southern California, USA. However, fire frequency has been steadily increasing in coastal regions due to ignitions at the growing wildland-urban interface. Although chaparral is resilient to a range of fire frequencies, successively short intervals between fires can threaten the persistence of some species, and the effects may differ according to plant functional type. California shrublands support high levels of biological diversity, including many endangered and endemic species. Therefore, it is important to understand the long-term effects of altered fire regimes on these communities. A spatially explicit simulation model of landscape disturbance and succession (LANDIS) was used to predict the effects of frequent fire on the distribution of dominant plant functional types in a study area administered by the National Park Service. Shrubs dependent on fire-cued seed germination were most sensitive to frequent fire and lost substantial cover to other functional types, including drought-deciduous subshrubs that typify coastal sage scrub and nonnative annual grasses. Shrubs that resprout were favored by higher fire frequencies and gained in extent under these treatments. Due to this potential for vegetation change, caution is advised against the widespread use of prescribed fire in the region. ?? 2006 by the Ecological Society of America.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ecological Applications","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","issn":"10510761","usgsCitation":"Syphard, A., Franklin, J., and Keeley, J., 2006, Simulating the effects of frequent fire on southern california coastal shrublands: Ecological Applications, v. 16, no. 5, p. 1744-1756.","startPage":"1744","endPage":"1756","numberOfPages":"13","costCenters":[],"links":[{"id":236893,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"16","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b8fd6e4b08c986b31917e","contributors":{"authors":[{"text":"Syphard, A.D.","contributorId":68950,"corporation":false,"usgs":true,"family":"Syphard","given":"A.D.","email":"","affiliations":[],"preferred":false,"id":417827,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Franklin, J.","contributorId":81546,"corporation":false,"usgs":false,"family":"Franklin","given":"J.","email":"","affiliations":[],"preferred":false,"id":417829,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Keeley, Jon E. 0000-0002-4564-6521","orcid":"https://orcid.org/0000-0002-4564-6521","contributorId":69082,"corporation":false,"usgs":true,"family":"Keeley","given":"Jon E.","affiliations":[],"preferred":false,"id":417828,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70028371,"text":"70028371 - 2006 - Seasonal dynamics of microbial community composition and function in oak canopy and open grassland soils","interactions":[],"lastModifiedDate":"2012-03-12T17:20:53","indexId":"70028371","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2729,"text":"Microbial Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Seasonal dynamics of microbial community composition and function in oak canopy and open grassland soils","docAbstract":"Soil microbial communities are closely associated with aboveground plant communities, with multiple potential drivers of this relationship. Plants can affect available soil carbon, temperature, and water content, which each have the potential to affect microbial community composition and function. These same variables change seasonally, and thus plant control on microbial community composition may be modulated or overshadowed by annual climatic patterns. We examined microbial community composition, C cycling processes, and environmental data in California annual grassland soils from beneath oak canopies and in open grassland areas to distinguish factors controlling microbial community composition and function seasonally and in association with the two plant overstory communities. Every 3 months for up to 2 years, we monitored microbial community composition using phospholipid fatty acid (PLFA) analysis, microbial biomass, respiration rates, microbial enzyme activities, and the activity of microbial groups using isotope labeling of PLFA biomarkers (13C-PLFA) . Distinct microbial communities were associated with oak canopy soils and open grassland soils and microbial communities displayed seasonal patterns from year to year. The effects of plant species and seasonal climate on microbial community composition were similar in magnitude. In this Mediterranean ecosystem, plant control of microbial community composition was primarily due to effects on soil water content, whereas the changes in microbial community composition seasonally appeared to be due, in large part, to soil temperature. Available soil carbon was not a significant control on microbial community composition. Microbial community composition (PLFA) and 13C-PLFA ordination values were strongly related to intra-annual variability in soil enzyme activities and soil respiration, but microbial biomass was not. In this Mediterranean climate, soil microclimate appeared to be the master variable controlling microbial community composition and function. ?? 2006 Springer Science+Business Media, Inc.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Microbial Ecology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1007/s00248-006-9100-6","issn":"00953628","usgsCitation":"Waldrop, M., and Firestone, M., 2006, Seasonal dynamics of microbial community composition and function in oak canopy and open grassland soils: Microbial Ecology, v. 52, no. 3, p. 470-479, https://doi.org/10.1007/s00248-006-9100-6.","startPage":"470","endPage":"479","numberOfPages":"10","costCenters":[],"links":[{"id":210321,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s00248-006-9100-6"},{"id":237207,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"52","issue":"3","noUsgsAuthors":false,"publicationDate":"2006-08-15","publicationStatus":"PW","scienceBaseUri":"505b889be4b08c986b316a6c","contributors":{"authors":[{"text":"Waldrop, M. P. 0000-0003-1829-7140","orcid":"https://orcid.org/0000-0003-1829-7140","contributorId":105104,"corporation":false,"usgs":true,"family":"Waldrop","given":"M. P.","affiliations":[],"preferred":false,"id":417775,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Firestone, M.K.","contributorId":10593,"corporation":false,"usgs":true,"family":"Firestone","given":"M.K.","email":"","affiliations":[],"preferred":false,"id":417774,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70028370,"text":"70028370 - 2006 - Isolation and characterization of microsatellite loci in Alasmidonta heterodon (Bivalvia: Unionidae)","interactions":[],"lastModifiedDate":"2012-03-12T17:20:53","indexId":"70028370","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2775,"text":"Molecular Ecology Notes","onlineIssn":"1471-8286","printIssn":"1471-8278","active":true,"publicationSubtype":{"id":10}},"title":"Isolation and characterization of microsatellite loci in Alasmidonta heterodon (Bivalvia: Unionidae)","docAbstract":"We developed 13 species-specific microsatellite markers for the federally endangered Atlantic slope unionid Alasmidonta heterodon. Four to 18 alleles per locus were observed among 30 individuals. Observed heterozygosity throughout the loci ranged from 26.9 to 86.2% and averaged 63.6%. Estimates of individual pairwise genetic distances indicated that levels of genetic diversity among loci were sufficient to produce unique multilocus genotypes for all animals surveyed. Randomization tests showed that genotypes for this collection were consistent with Hardy-Weinberg expectations, and no significant linkage disequilibrium was observed between loci. These loci therefore appear suitable for population surveys, kinship assessment and other such applications. ?? 2006 Blackwell Publishing Ltd.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Molecular Ecology Notes","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1111/j.1471-8286.2005.01235.x","issn":"14718278","usgsCitation":"Shaw, K., King, T., Lellis, W., and Eackles, M., 2006, Isolation and characterization of microsatellite loci in Alasmidonta heterodon (Bivalvia: Unionidae): Molecular Ecology Notes, v. 6, no. 2, p. 365-367, https://doi.org/10.1111/j.1471-8286.2005.01235.x.","startPage":"365","endPage":"367","numberOfPages":"3","costCenters":[],"links":[{"id":210320,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1471-8286.2005.01235.x"},{"id":237206,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"6","issue":"2","noUsgsAuthors":false,"publicationDate":"2006-03-17","publicationStatus":"PW","scienceBaseUri":"505a3f42e4b0c8380cd643bc","contributors":{"authors":[{"text":"Shaw, K.M.","contributorId":21754,"corporation":false,"usgs":true,"family":"Shaw","given":"K.M.","email":"","affiliations":[],"preferred":false,"id":417770,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"King, T.L.","contributorId":93416,"corporation":false,"usgs":true,"family":"King","given":"T.L.","email":"","affiliations":[],"preferred":false,"id":417773,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lellis, W.A.","contributorId":67441,"corporation":false,"usgs":true,"family":"Lellis","given":"W.A.","email":"","affiliations":[],"preferred":false,"id":417771,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Eackles, M.S.","contributorId":79059,"corporation":false,"usgs":true,"family":"Eackles","given":"M.S.","affiliations":[],"preferred":false,"id":417772,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70030270,"text":"70030270 - 2006 - Forage preferences in two species of prairie dog (Cynomys parvidens and Cynomus ludovicianus): Implications for hibernation and facultative heterothermy","interactions":[],"lastModifiedDate":"2012-03-12T17:21:02","indexId":"70030270","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2515,"text":"Journal of Zoology","active":true,"publicationSubtype":{"id":10}},"title":"Forage preferences in two species of prairie dog (Cynomys parvidens and Cynomus ludovicianus): Implications for hibernation and facultative heterothermy","docAbstract":"Several laboratory studies have shown that the ingestion of dietary linoleic (18:2 ??6) acid before winter can promote deep and continuous torpor, whereas excess consumption of ??-linolenic acid (18:3 ??3) can interfere with an animal's ability to reach and maintain low body temperatures during torpor. As mammalian heterotherms obtain linoleic and ??-linolenic acid strictly from the diet, diet selection has been proposed as a mechanism that allows hibernators to ingest levels of linoleic and ??-linolenic acid that promote favorable torpor patterns. Here diet, dietary nutrient content and patterns of forage preference of a representative hibernator, the Utah prairie dog Cynomys parvidens, and a facultative heterotherm, the black-tailed prairie dog Cynomys ludovicianus, were examined under natural field conditions. Diets of black-tailed (BTPD) and Utah prairie dogs (UTPD) differed across seasons (BTPD F26,108=9.59, P<0.01; UTPD F38,80=3.25, P<0.01) and elevations (BTPD F26,108=20.15, P<0.01; UTPD F38,80=20.51, P<0.01), and forage preference indices indicate that neither species randomly selected plant species relative to their abundance on colonies in any season. Black-tailed prairie dogs did not consume or avoid consumption of plant species based on levels of total lipids, linoleic acid, ??-linolenic acid or nitrogen. Considering only the plants consumed, black-tailed prairie dogs appeared to prefer plants with low levels of ??-linolenic acid (F1,19=5.81, P=0.03), but there were no detectable relationships between preference and other nutrients. Utah prairie dogs consumed plants higher in ??-linolenic acid (t=1.98, P=0.05) and avoided plants high in linoleic acid (t=-2.02, P=0.04), but consumption-avoidance decisions did not appear to be related to nitrogen or total lipids. Of the plants consumed, Utah prairie dogs again preferred plants high in ??-linolenic acid (F1,17=4.62, P=0.05). Levels of linoleic and ??-linolenic acid were positively correlated in plants consumed by prairie dogs (BTPD Pearson r=0.66, P<0.01; UTPD Pearson r=0.79, P<0.01), reducing the opportunity for independent selection of either lipid. ?? 2006 The Authors.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Zoology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1111/j.1469-7998.2006.00085.x","issn":"09528369","usgsCitation":"Lehmer, E., Biggins, E., and Antolin, M., 2006, Forage preferences in two species of prairie dog (Cynomys parvidens and Cynomus ludovicianus): Implications for hibernation and facultative heterothermy: Journal of Zoology, v. 269, no. 2, p. 249-259, https://doi.org/10.1111/j.1469-7998.2006.00085.x.","startPage":"249","endPage":"259","numberOfPages":"11","costCenters":[],"links":[{"id":211741,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1469-7998.2006.00085.x"},{"id":239089,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"269","issue":"2","noUsgsAuthors":false,"publicationDate":"2006-04-13","publicationStatus":"PW","scienceBaseUri":"505a12f1e4b0c8380cd54466","contributors":{"authors":[{"text":"Lehmer, E.M.","contributorId":99102,"corporation":false,"usgs":true,"family":"Lehmer","given":"E.M.","email":"","affiliations":[],"preferred":false,"id":426410,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Biggins, E.","contributorId":88303,"corporation":false,"usgs":true,"family":"Biggins","given":"E.","email":"","affiliations":[],"preferred":false,"id":426409,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Antolin, M.F.","contributorId":101450,"corporation":false,"usgs":true,"family":"Antolin","given":"M.F.","affiliations":[],"preferred":false,"id":426411,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":1001079,"text":"1001079 - 2006 - A water-budget approach to restoring a sedge fen affected by diking and ditching","interactions":[],"lastModifiedDate":"2013-01-29T10:24:26","indexId":"1001079","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2342,"text":"Journal of Hydrology","active":true,"publicationSubtype":{"id":10}},"title":"A water-budget approach to restoring a sedge fen affected by diking and ditching","docAbstract":"A vast, ground-water-supported sedge fen in the Upper Peninsula of Michigan, USA was ditched in the early 1900s in a failed attempt to promote agriculture. Dikes were later constructed to impound seasonal sheet surface flows for waterfowl management. The US Fish and Wildlife Service, which now manages the wetland as part of Seney National Wildlife Refuge, sought to redirect water flows from impounded C-3 Pool to reduce erosion in downstream Walsh Ditch, reduce ground-water losses into the ditch, and restore sheet flows of surface water to the peatland. A water budget was developed for C-3 Pool, which serves as the central receiving and distribution body for water in the affected wetland. Surface-water inflows and outflows were measured in associated ditches and natural creeks, ground-water flows were estimated using a network of wells and piezometers, and precipitation and evaporation/evapotranspiration components were estimated using local meteorological data. Water budgets for the 1999 springtime peak flow period and the 1999 water year were used to estimate required releases of water from C-3 Pool via outlets other than Walsh Ditch and to guide other restoration activities. Refuge managers subsequently used these results to guide restoration efforts, including construction of earthen dams in Walsh Ditch upslope from the pool to stop surface flow, installation of new water-control structures to redirect surface water to sheet flow and natural creek channels, planning seasonal releases from C-3 Pool to avoid erosion in natural channels, stopping flow in downslope Walsh Ditch to reduce erosion, and using constructed earthen dams and natural beaver dams to flood the ditch channel below C-3 Pool. Interactions between ground water and surface water are critical for maintaining ecosystem processes in many wetlands, and management actions directed at restoring either ground- or surface-water flow patterns often affect both of these components of the water budget. This approach could thus prove useful in guiding restoration efforts in many hydrologically altered and managed wetlands worldwide.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Hydrology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.jhydrol.2005.07.026","usgsCitation":"Wilcox, D.A., Sweat, M.J., Carlson, M.L., and Kowalski, K., 2006, A water-budget approach to restoring a sedge fen affected by diking and ditching: Journal of Hydrology, v. 320, no. 3-4, p. 501-517, https://doi.org/10.1016/j.jhydrol.2005.07.026.","productDescription":"p. 501-517","startPage":"501","endPage":"517","numberOfPages":"16","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":477565,"rank":1,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"http://hdl.handle.net/20.500.12648/2319","text":"External Repository"},{"id":133703,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":266667,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.jhydrol.2005.07.026"}],"volume":"320","issue":"3-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b16e4b07f02db6a51de","contributors":{"authors":[{"text":"Wilcox, Douglas A.","contributorId":36880,"corporation":false,"usgs":true,"family":"Wilcox","given":"Douglas","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":310417,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sweat, Michael J. mjsweat@usgs.gov","contributorId":356,"corporation":false,"usgs":true,"family":"Sweat","given":"Michael","email":"mjsweat@usgs.gov","middleInitial":"J.","affiliations":[{"id":5050,"text":"WY-MT Water Science Center","active":true,"usgs":true}],"preferred":true,"id":310415,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Carlson, Martha L.","contributorId":50869,"corporation":false,"usgs":true,"family":"Carlson","given":"Martha","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":310418,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Kowalski, Kurt P. 0000-0002-8424-4701 kkowalski@usgs.gov","orcid":"https://orcid.org/0000-0002-8424-4701","contributorId":3768,"corporation":false,"usgs":true,"family":"Kowalski","given":"Kurt P.","email":"kkowalski@usgs.gov","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":310416,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70028361,"text":"70028361 - 2006 - The global lambda visualization facility: An international ultra-high-definition wide-area visualization collaboratory","interactions":[],"lastModifiedDate":"2017-04-11T15:47:16","indexId":"70028361","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1714,"text":"Future Generation Computer Systems","active":true,"publicationSubtype":{"id":10}},"title":"The global lambda visualization facility: An international ultra-high-definition wide-area visualization collaboratory","docAbstract":"The research outlined in this paper marks an initial global cooperative effort between visualization and collaboration researchers to build a persistent virtual visualization facility linked by ultra-high-speed optical networks. The goal is to enable the comprehensive and synergistic research and development of the necessary hardware, software and interaction techniques to realize the next generation of end-user tools for scientists to collaborate on the global Lambda Grid. This paper outlines some of the visualization research projects that were demonstrated at the iGrid 2005 workshop in San Diego, California.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.future.2006.03.009","issn":"0167739X","usgsCitation":"Leigh, J., Renambot, L., Johnson, A.H., Jeong, B., Jagodic, R., Schwarz, N., Svistula, D., Singh, R., Aguilera, J., Wang, X., Vishwanath, V., Lopez, B., Sandin, D., Peterka, T., Girado, J., Kooima, R., Ge, J., Long, L., Verlo, A., DeFanti, T., Brown, M., Cox, D., Patterson, R., Dorn, P., Wefel, P., Levy, S., Talandis, J., Reitzer, J., Prudhomme, T., Coffin, T., Davis, B., Wielinga, P., Stolk, B., Bum, K.G., Kim, J., Han, S., Corrie, B., Zimmerman, T., Boulanger, P., and Garcia, M., 2006, The global lambda visualization facility: An international ultra-high-definition wide-area visualization collaboratory: Future Generation Computer Systems, v. 22, no. 8, p. 964-971, https://doi.org/10.1016/j.future.2006.03.009.","productDescription":"8 p.","startPage":"964","endPage":"971","numberOfPages":"8","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) 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Colorado River at Grand Falls, Arizona","interactions":[],"lastModifiedDate":"2012-03-12T17:21:02","indexId":"70030251","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1786,"text":"Geological Society of America Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Multiple constraints on the age of a Pleistocene lava dam across the Little Colorado River at Grand Falls, Arizona","docAbstract":"The Grand Falls basalt lava flow in northern Arizona was emplaced in late Pleistocene time. It flowed 10 km from its vent area to the Little Colorado River, where it cascaded into and filled a 65-m-deep canyon to form the Grand Falls lava dam. Lava continued ???25 km downstream and ???1 km onto the far rim beyond where the canyon was filled. Subsequent fluvial sedimentation filled the reservoir behind the dam, and eventually the river established a channel along the margin of the lava flow to the site where water falls back into the pre-eruption canyon. The ca. 150 ka age of the Grand Falls flow provided by whole-rock K-Ar analysis in the 1970s is inconsistent with the preservation of centimeter-scale flow-top features on the surface of the flow and the near absence of physical and chemical weathering on the flow downstream of the falls. The buried Little Colorado River channel and the present-day channel are at nearly the same elevation, indicating that very little, if any, regional downcutting has occurred since emplacement of the flow. Newly applied dating techniques better define the age of the lava dam. Infrared-stimulated luminescence dating of silty mudstone baked by the lava yielded an age of 19.6 ?? 1.2 ka. Samples from three noneroded or slightly eroded outcrops at the top of the lava flow yielded 3He cosmogenic ages of 16 ?? 1 ka, 17 ?? 1 ka, and 20 ?? 1 ka. A mean age of 8 ?? 19 ka was obtained from averaging four samples using the 40Ar/39Ar step-heating method. Finally, paleomagnetic directions in lava samples from two sites at Grand Falls and one at the vent area are nearly identical and match the curve of magnetic secular variation at ca. 15 ka, 19 ka, 23 ka, and 28 ka. We conclude that the Grand Falls flow was emplaced at ca. 20 ka. ?? 2006 Geological Society of America.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geological Society of America Bulletin","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1130/B25814.1","issn":"00167606","usgsCitation":"Duffield, W., Riggs, N., Kaufman, D., Champion, D., Fenton, C., Forman, S., McIntosh, W., Hereford, R., Plescia, J., and Ort, M., 2006, Multiple constraints on the age of a Pleistocene lava dam across the Little Colorado River at Grand Falls, Arizona: Geological Society of America Bulletin, v. 118, no. 3-4, p. 421-429, https://doi.org/10.1130/B25814.1.","startPage":"421","endPage":"429","numberOfPages":"9","costCenters":[],"links":[{"id":211887,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1130/B25814.1"},{"id":239261,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"118","issue":"3-4","noUsgsAuthors":false,"publicationDate":"2006-03-13","publicationStatus":"PW","scienceBaseUri":"505a6061e4b0c8380cd713fa","contributors":{"authors":[{"text":"Duffield, W.","contributorId":42715,"corporation":false,"usgs":true,"family":"Duffield","given":"W.","affiliations":[],"preferred":false,"id":426313,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Riggs, N.","contributorId":26878,"corporation":false,"usgs":true,"family":"Riggs","given":"N.","affiliations":[],"preferred":false,"id":426311,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kaufman, D.","contributorId":96481,"corporation":false,"usgs":true,"family":"Kaufman","given":"D.","affiliations":[],"preferred":false,"id":426317,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Champion, D.","contributorId":103012,"corporation":false,"usgs":true,"family":"Champion","given":"D.","email":"","affiliations":[],"preferred":false,"id":426318,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Fenton, C.","contributorId":85399,"corporation":false,"usgs":true,"family":"Fenton","given":"C.","email":"","affiliations":[],"preferred":false,"id":426315,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Forman, S.","contributorId":94497,"corporation":false,"usgs":true,"family":"Forman","given":"S.","email":"","affiliations":[],"preferred":false,"id":426316,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"McIntosh, W.","contributorId":29635,"corporation":false,"usgs":true,"family":"McIntosh","given":"W.","affiliations":[],"preferred":false,"id":426312,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Hereford, R.","contributorId":84437,"corporation":false,"usgs":true,"family":"Hereford","given":"R.","email":"","affiliations":[],"preferred":false,"id":426314,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Plescia, J.","contributorId":20500,"corporation":false,"usgs":true,"family":"Plescia","given":"J.","affiliations":[],"preferred":false,"id":426310,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Ort, M.","contributorId":11410,"corporation":false,"usgs":true,"family":"Ort","given":"M.","affiliations":[],"preferred":false,"id":426309,"contributorType":{"id":1,"text":"Authors"},"rank":10}]}} ,{"id":70028373,"text":"70028373 - 2006 - Association of the 1886 Charleston, South Carolina, earthquake and seismicity near Summervile with a 12º bend in the East Coast fault system and triple-fault junctions","interactions":[],"lastModifiedDate":"2015-04-20T08:50:35","indexId":"70028373","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3443,"text":"Southeastern Geology","active":true,"publicationSubtype":{"id":10}},"title":"Association of the 1886 Charleston, South Carolina, earthquake and seismicity near Summervile with a 12º bend in the East Coast fault system and triple-fault junctions","docAbstract":"Seismic-reflection data were integrated with other geophysical, geologic, and seismicity data to better determine the location and nature of buried faults in the Charleston, South Carolina, region. Our results indicate that the 1886 Charleston, South Carolina, earthquake and seismicity near Summerville are related to local stresses caused by a 12?? bend in the East Coast fault system (ECFS) and two triple-fault junctions. One triple junction is formed by the intersection of the northwest-trending Ashley River fault with the two segments of the ECFS north and south of the bend. The other triple junction is formed by the intersection of the northeast-trending Summerville fault and a newly discovered northwest-trending Berkeley fault with the ECFS about 10 km north of the bend. The Summerville fault is a northwest-dipping border fault of the Triassic-age Jedburg basin that is undergoing reverse-style reactivation. This reverse-style reactivation is unusual because the Summerville fault parallels the regional stress field axis, suggesting that the reactivation is from stresses applied by dextral motion on the ECFS. The southwest-dip and reverse-type motion of the Berkeley fault are interpreted from seismicity data and a seismic-reflection profile in the western part of the study area. Our results also indicate that the East Coast fault system is a Paleozoic basement fault and that its reactivation since early Mesozoic time has fractured through the overlying allochthonous terranes.
","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Southeastern Geology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","issn":"00383678","usgsCitation":"Marple, R., and Miller, R., 2006, Association of the 1886 Charleston, South Carolina, earthquake and seismicity near Summervile with a 12º bend in the East Coast fault system and triple-fault junctions: Southeastern Geology, v. 44, no. 3, p. 101-127.","startPage":"101","endPage":"127","numberOfPages":"27","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":237244,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"44","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059ee92e4b0c8380cd49e26","contributors":{"authors":[{"text":"Marple, R.","contributorId":62819,"corporation":false,"usgs":true,"family":"Marple","given":"R.","email":"","affiliations":[],"preferred":false,"id":417781,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Miller, R.","contributorId":19118,"corporation":false,"usgs":true,"family":"Miller","given":"R.","affiliations":[],"preferred":false,"id":417780,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70028362,"text":"70028362 - 2006 - Establishment of non-native plant species after wildfires: Effects of fuel treatments, abiotic and biotic factors, and post-fire grass seeding treatments","interactions":[],"lastModifiedDate":"2015-12-15T10:21:54","indexId":"70028362","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2083,"text":"International Journal of Wildland Fire","active":true,"publicationSubtype":{"id":10}},"title":"Establishment of non-native plant species after wildfires: Effects of fuel treatments, abiotic and biotic factors, and post-fire grass seeding treatments","docAbstract":"Establishment and spread of non-native species following wildfires can pose threats to long-term native plant recovery. Factors such as disturbance severity, resource availability, and propagule pressure may influence where non-native species establish in burned areas. In addition, pre- and post-fire management activities may influence the likelihood of non-native species establishment. In the present study we examine the establishment of non-native species after wildfires in relation to native species richness, fire severity, dominant native plant cover, resource availability, and pre- and post-fire management actions (fuel treatments and post-fire rehabilitation treatments). We used an information-theoretic approach to compare alternative hypotheses. We analysed post-fire effects at multiple scales at three wildfires in Colorado and New Mexico. For large and small spatial scales at all fires, fire severity was the most consistent predictor of non-native species cover. Non-native species cover was also correlated with high native species richness, low native dominant species cover, and high seeded grass cover. There was a positive, but non-significant, association of non-native species with fuel-treated areas at one wildfire. While there may be some potential for fuels treatments to promote non-native species establishment, wildfire and post-fire seeding treatments seem to have a larger impact on non-native species. ?? IAWF 2006.
","language":"English","doi":"10.1071/WF05074","issn":"10498001","usgsCitation":"Hunter, M., Omi, P.N., Martinson, E., and Chong, G., 2006, Establishment of non-native plant species after wildfires: Effects of fuel treatments, abiotic and biotic factors, and post-fire grass seeding treatments: International Journal of Wildland Fire, v. 15, no. 2, p. 271-281, https://doi.org/10.1071/WF05074.","productDescription":"11 p.","startPage":"271","endPage":"281","numberOfPages":"11","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"links":[{"id":237067,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":210214,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1071/WF05074"}],"country":"United States","state":"Colorado, New Mexico","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -109.0283203125,\n 41.02964338716638\n ],\n [\n -102.0849609375,\n 40.9964840143779\n ],\n [\n -101.9970703125,\n 37.020098201368114\n ],\n [\n -103.02978515625,\n 36.96744946416931\n ],\n [\n -102.9638671875,\n 36.50963615733049\n ],\n [\n -103.02978515625,\n 31.98944183792288\n ],\n [\n -106.5673828125,\n 32.02670629333614\n ],\n [\n -106.5234375,\n 31.784216884487385\n ],\n [\n -108.19335937499999,\n 31.784216884487385\n ],\n [\n -108.17138671875,\n 31.2221970321032\n ],\n [\n -109.1162109375,\n 31.31610138349565\n ],\n [\n -108.984375,\n 36.94989178681327\n ],\n [\n -109.09423828125,\n 40.329795743702064\n ],\n [\n -109.0283203125,\n 41.02964338716638\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"15","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0a69e4b0c8380cd5234a","contributors":{"authors":[{"text":"Hunter, M.E.","contributorId":87672,"corporation":false,"usgs":true,"family":"Hunter","given":"M.E.","email":"","affiliations":[],"preferred":false,"id":417739,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Omi, Philip N.","contributorId":24307,"corporation":false,"usgs":true,"family":"Omi","given":"Philip","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":417736,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Martinson, E.J.","contributorId":47149,"corporation":false,"usgs":true,"family":"Martinson","given":"E.J.","email":"","affiliations":[],"preferred":false,"id":417737,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Chong, G.W.","contributorId":54153,"corporation":false,"usgs":true,"family":"Chong","given":"G.W.","email":"","affiliations":[],"preferred":false,"id":417738,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":79398,"text":"ofr20061122 - 2006 - Alpine plant community trends on the elk summer range of Rocky Mountain National Park, Colorado: An analysis of existing data","interactions":[],"lastModifiedDate":"2016-04-25T15:12:16","indexId":"ofr20061122","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2006-1122","title":"Alpine plant community trends on the elk summer range of Rocky Mountain National Park, Colorado: An analysis of existing data","docAbstract":"The majority of the elk (Cervus elaphus) population of Rocky Mountain National Park in Colorado summer in the park’s high-elevation alpine and subalpine meadows and willow krummholz. The park’s population of white-tailed ptarmigan (Lagopus leucurus altipetens) depends on both dwarf and krummholz willows for food and cover. Concern about the effects of elk herbivory on these communities prompted the monitoring of 12 vegetation transects in these regions from 1971 to 1996. Over this 25-year period, data were collected on plant species cover and frequency and shrub heights. These data have not been statistically analyzed for trends in the measured variables over time to determine changes in species abundance. Krummholz willow species (Salix planifolia, S. brachycarpa) declined 17–20 percent in cover and about 25 centimeters in height over the study period. Graminoids (particularly Deschampsia caespitosa, Carex, and Poa) increased slightly from 1971 to 1996. No significant increases of nonnative plant species were observed. An increase in presence of bare ground over the 25-year period warrants continued measurement of these transects. Lack of good data on elk density, distribution, or use levels precludes correlating changes in plant species cover, frequency, or heights with elk population trends. I recommend development of a more rigorously designed monitoring program that includes these transects as well as others chosen on a random or stratified design and consistent measurement protocol and sampling intervals. Some method of quantifying elk use, either through measurement of plant utilization, pellet counts, or census-type surveys, would allow correlation of changes in plant species over time with changes in elk distribution and density on the park’s alpine and subalpine regions.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20061122","usgsCitation":"Zeigenfuss, L., 2006, Alpine plant community trends on the elk summer range of Rocky Mountain National Park, Colorado: An analysis of existing data: U.S. Geological Survey Open-File Report 2006-1122, iii, 21 p., https://doi.org/10.3133/ofr20061122.","productDescription":"iii, 21 p.","numberOfPages":"24","onlineOnly":"Y","additionalOnlineFiles":"N","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":194539,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr20061122.PNG"},{"id":320229,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2006/1122/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Colorado","otherGeospatial":"Rocky Mountain National Park","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae0e4b07f02db687fed","contributors":{"authors":[{"text":"Zeigenfuss, Linda 0000-0002-6700-8563 linda_zeigenfuss@usgs.gov","orcid":"https://orcid.org/0000-0002-6700-8563","contributorId":2079,"corporation":false,"usgs":true,"family":"Zeigenfuss","given":"Linda","email":"linda_zeigenfuss@usgs.gov","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":289783,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":75903,"text":"cir1285 - 2006 - Disease emergence and resurgence—the wildlife-human connection","interactions":[],"lastModifiedDate":"2018-04-02T11:42:45","indexId":"cir1285","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":307,"text":"Circular","code":"CIR","onlineIssn":"2330-5703","printIssn":"1067-084X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"1285","title":"Disease emergence and resurgence—the wildlife-human connection","docAbstract":"In 2000, the Global Outbreak Alert and Response Network (GOARN) was organized as a global disease watchdog group to coordinate disease outbreak information and health crisis response. The World Health Organization (WHO) is the headquarters for this network. Understandably, the primary focus for WHO is human health. However, diseases such as the H5N1 avian influenza epizootic in Asian bird populations demonstrate the need for integrating knowledge about disease emergence in animals and in humans.
Aside from human disease concerns, H5N1 avian influenza has major economic consequences for the poultry industry worldwide. Many other emerging diseases, such as severe acute respiratory syndrome (SARS), monkeypox, Ebola fever, and West Nile fever, also have an important wildlife component. Despite these wildlife associations, the true integration of the wildlife component in approaches towards disease emergence remains elusive. This separation between wildlife and other species’ interests is counterproductive because the emergence of zoonotic viruses and other pathogens maintained by wildlife reservoir hosts is poorly understood.
This book is about the wildlife component of emerging diseases. It is intended to enhance the reader’s awareness of the role of wildlife in disease emergence. By doing so, perhaps a more holistic approach to disease prevention and control will emerge for the benefit of human, domestic animal, and free-ranging wildlife populations alike. The perspectives offered are influenced by more than four decades of my experiences as a wildlife disease practitioner. Although wildlife are victims to many of the same disease agents affecting humans and domestic animals, many aspects of disease in free-ranging wildlife require different approaches than those commonly applied to address disease in humans or domestic animals. Nevertheless, the broader community of disease investigators and health care professionals has largely pursued a separatist approach for human, domestic animal, and wildlife rather than embracing the periodically proposed concept of “one medicine.” We especially need to embrace this concept as the human population increases because there will be more contact, direct and indirect, among humans, domestic animals, and wildlife. An “Ecology for a Crowded Planet” will be an even more pressing concern, and that includes increasing our understanding of disease ecology, especially that of the zoonoses.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/cir1285","isbn":"1411306643","collaboration":"Prepared in cooperation with the U.S. Fish and Wildlife Service","usgsCitation":"Friend, M., Hurley, J.W., Nol, P., and Wesenberg, K.E., 2006, Disease emergence and resurgence—the wildlife-human connection: U.S. Geological Survey Circular 1285, xii, 388 p., https://doi.org/10.3133/cir1285.","productDescription":"xii, 388 p.","numberOfPages":"402","costCenters":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"links":[{"id":194935,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/cir1285.jpg"},{"id":352797,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/circ/1285/cir1285.pdf","text":"Report","size":"38.4 MB","linkFileType":{"id":1,"text":"pdf"},"description":"CIRC 1285"}],"contact":"Director, National Wildlife Health Center
U.S. Geological Survey
6006 Schroeder Road
Madison, WI 53711
In the latter part of the 19th century, species of the nonnative shrub tamarisk (also called saltcedar; for example, Tamarix ramosissima, T. chinensis) were introduced to the United States for use as ornamental plants for erosion control. By 1877, some naturalized populations had become established, and by the 1960s, tamarisk was present along most rivers in the semi-arid and arid parts of the West and was quite abundant along downstream ranches of the major southwest rivers such as the Colorado, Rio Grande, Gila, and Pecos. The principal period of tamarisk invasion coincided with changing physical conditions along western rivers associated with the construction and operation of dams. In many cases, these altered physical conditions appear to have been more favorable for tamarisk than native riparian competitors like cottonwoods and willows (Populus and Salix; Glenn and Nagler, 2005).
\nThe great abundance of tamarisk along western rivers has led resource managers to seek to control it for various reasons, including a desire to (1) increase the flow of water in streams that might otherwise be lost to evapotranspiration (ET) (evapotranspiration is the combination of water lost as vapor from a soil or open water surface [evaporation] and water lost from the surface of the plant, usually from the stomata [transpiration]); (2) restore native riparian vegetation (here, “riparian” refers to the banks and flood plains of rivers, or shorelines of reservoirs or lakes); and (3) improve wildlife habitat.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/fs20063071","usgsCitation":"Shafroth, P.B., 2006, Tamarisk control, water salvage, and wildlife habitat restoration along rivers in the western United States: U.S. Geological Survey Fact Sheet 2006-3071, 2 p., https://doi.org/10.3133/fs20063071.","productDescription":"2 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":122338,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/fs_2006_3071.jpg"},{"id":320234,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/fs/2006/3071/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4adde4b07f02db686d46","contributors":{"authors":[{"text":"Shafroth, Patrick B. 0000-0002-6064-871X shafrothp@usgs.gov","orcid":"https://orcid.org/0000-0002-6064-871X","contributorId":2000,"corporation":false,"usgs":true,"family":"Shafroth","given":"Patrick","email":"shafrothp@usgs.gov","middleInitial":"B.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":288827,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":76063,"text":"fs20063036 - 2006 - National Institute of Invasive Species Science (NIISS)","interactions":[],"lastModifiedDate":"2016-05-26T14:50:47","indexId":"fs20063036","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":313,"text":"Fact Sheet","code":"FS","onlineIssn":"2327-6932","printIssn":"2327-6916","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2006-3036","title":"National Institute of Invasive Species Science (NIISS)","docAbstract":"The National Institute of Invasive Species Science (www.NIISS.org) is a consortium of governmental and nongovernmental partners, led by the U.S. Geological Survey (USGS), whose aim is to provide reliable information and advanced decision support tools for documenting, understanding, predicting, assessing, and addressing the threat of invasive species in the United States. The Institute coordinates the National Aeronautical and Space Administrationa??s (NASAa??s) Invasive Species National Application activities for the Department of the Interior and has al lead role in developing NASA-derived remote sensing and landscape-scale predictive modeling capabilities for the invasive species community.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/fs20063036","usgsCitation":"Stohlgren, T., 2006, National Institute of Invasive Species Science (NIISS): U.S. Geological Survey Fact Sheet 2006-3036, 2 p., https://doi.org/10.3133/fs20063036.","productDescription":"2 p.","onlineOnly":"Y","additionalOnlineFiles":"N","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":121348,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/fs_2006_3036.jpg"},{"id":320223,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/fs/2006/3036/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b01e4b07f02db6987c7","contributors":{"authors":[{"text":"Stohlgren, Tom","contributorId":24037,"corporation":false,"usgs":true,"family":"Stohlgren","given":"Tom","email":"","affiliations":[],"preferred":false,"id":287050,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":1005160,"text":"1005160 - 2006 - Lake sturgeon population characteristics in Rainy Lake, Minnesota and Ontario","interactions":[],"lastModifiedDate":"2017-05-24T13:01:05","indexId":"1005160","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","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":"Lake sturgeon population characteristics in Rainy Lake, Minnesota and Ontario","docAbstract":"Rainy Lake contains a native population of lake sturgeon Acipenser fulvescens that has been largely unstudied. The aims of this study were to document the population characteristics of lake sturgeon in Rainy Lake and to relate environmental factors to year-class strength for this population. Gill-netting efforts throughout the study resulted in the capture of 322 lake sturgeon, including 50 recaptures. Lake sturgeon in Rainy Lake was relatively plump and fast growing compared with a 32-population summary. Population samples were dominated by lake sturgeon between 110 and 150 cm total length. Age–structure analysis of the samples indicated few younger (<10 years) lake sturgeon, but the smallest gill net mesh size used for sampling was 102 mm (bar measure) and would not retain small sturgeon. Few lake sturgeon older than age 50 years were captured, and maximum age of sampled fish was 59 years. Few correlations existed between lake sturgeon year-class indices and both annual and monthly climate variables, except that mean June air temperature was positively correlated with year-class strength. Analysis of Rainy Lake water elevation and resulting lake sturgeon year-class strength indices across years yielded consistent but weak negative correlations between late April and early June, when spawning of lake sturgeon occurs. The baseline data collected in this study should allow Rainy Lake biologists to establish more specific research questions in the future.
","language":"English","publisher":"Wiley","doi":"10.1111/j.1439-0426.2006.00725.x","usgsCitation":"Adams, W., Kallemeyn, L., and Willis, D., 2006, Lake sturgeon population characteristics in Rainy Lake, Minnesota and Ontario: Journal of Applied Ichthyology, v. 22, no. 2, p. 97-102, https://doi.org/10.1111/j.1439-0426.2006.00725.x.","productDescription":"6 p.","startPage":"97","endPage":"102","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"links":[{"id":129266,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Canada, United States","otherGeospatial":"Rainy Lake","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -93.30551147460938,\n 48.97571019275402\n ],\n [\n -93.46618652343749,\n 48.942347261978476\n ],\n [\n -93.66943359374999,\n 48.84754712952161\n ],\n [\n -93.57742309570312,\n 48.78243740444988\n ],\n [\n -93.4002685546875,\n 48.7661467593689\n ],\n [\n -93.46206665039062,\n 48.70455661164196\n ],\n [\n -93.42086791992188,\n 48.61656946813302\n ],\n [\n -93.22723388671875,\n 48.5729726246542\n ],\n [\n -93.26019287109375,\n 48.568429123191514\n ],\n [\n -93.26431274414062,\n 48.5493419587775\n ],\n [\n -93.1365966796875,\n 48.53843177405044\n ],\n [\n -93.05694580078125,\n 48.54297797016485\n ],\n [\n -92.977294921875,\n 48.571155273059546\n ],\n [\n -92.7520751953125,\n 48.49112712828191\n ],\n [\n -92.62161254882812,\n 48.50932644976633\n ],\n [\n -92.51449584960938,\n 48.54843286654265\n ],\n [\n -92.74795532226562,\n 48.66647793923832\n ],\n [\n -92.79602050781249,\n 48.69911856401931\n ],\n [\n -92.92922973632812,\n 48.71090025795715\n ],\n [\n -93.19564819335938,\n 48.706369163618795\n ],\n [\n -93.06930541992188,\n 48.79148547876059\n ],\n [\n -93.28765869140625,\n 48.96669538503323\n ],\n [\n -93.30551147460938,\n 48.97571019275402\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"22","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b32e4b07f02db6b4306","contributors":{"authors":[{"text":"Adams, W.E. Jr.","contributorId":23489,"corporation":false,"usgs":true,"family":"Adams","given":"W.E.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":315286,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kallemeyn, L.W.","contributorId":44864,"corporation":false,"usgs":true,"family":"Kallemeyn","given":"L.W.","email":"","affiliations":[],"preferred":false,"id":315287,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Willis, D.W.","contributorId":56179,"corporation":false,"usgs":true,"family":"Willis","given":"D.W.","email":"","affiliations":[],"preferred":false,"id":315288,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":1001072,"text":"1001072 - 2006 - Modeling wetland plant community response to assess water-level regulation scenarios in the Lake Ontario-St. Lawrence River basin","interactions":[],"lastModifiedDate":"2016-05-09T10:45:38","indexId":"1001072","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1552,"text":"Environmental Monitoring and Assessment","onlineIssn":"1573-2959","printIssn":"0167-6369","active":true,"publicationSubtype":{"id":10}},"title":"Modeling wetland plant community response to assess water-level regulation scenarios in the Lake Ontario-St. Lawrence River basin","docAbstract":"The International Joint Commission has recently completed a five-year study (2000-2005) to review the operation of structures controlling the flows and levels of the Lake Ontario - St. Lawrence River system. In addition to addressing the multitude of stakeholder interests, the regulation plan review also considers environmental sustainability and integrity of wetlands and various ecosystem components. The present paper outlines the general approach, scientific methodology and applied management considerations of studies quantifying the relationships between hydrology and wetland plant assemblages (% occurrence, surface area) in Lake Ontario and the Upper and Lower St. Lawrence River. Although similar study designs were used across the study region, different methodologies were required that were specifically adapted to suit the important regional differences between the lake and river systems, range in water-level variations, and confounding factors (geomorphic types, exposure, sediment characteristics, downstream gradient of water quality, origin of water masses in the Lower River). Performance indicators (metrics), such as total area of wetland in meadow marsh vegetation type, that link wetland response to water levels will be used to assess the effects of different regulation plans under current and future (climate change) water-supply scenarios.
","language":"English","publisher":"Springer","doi":"10.1007/s10661-005-9086-4","usgsCitation":"Hudon, C., Wilcox, D., and Ingram, J., 2006, Modeling wetland plant community response to assess water-level regulation scenarios in the Lake Ontario-St. Lawrence River basin: Environmental Monitoring and Assessment, v. 113, no. 1-3, p. 303-328, https://doi.org/10.1007/s10661-005-9086-4.","productDescription":"26 p.","startPage":"303","endPage":"328","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":477564,"rank":1,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"http://hdl.handle.net/20.500.12648/2305","text":"External Repository"},{"id":133564,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"113","issue":"1-3","noUsgsAuthors":false,"publicationDate":"2006-02-24","publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db69976f","contributors":{"authors":[{"text":"Hudon, Christiane","contributorId":80632,"corporation":false,"usgs":true,"family":"Hudon","given":"Christiane","email":"","affiliations":[],"preferred":false,"id":310395,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wilcox, Douglas","contributorId":72764,"corporation":false,"usgs":true,"family":"Wilcox","given":"Douglas","affiliations":[],"preferred":false,"id":310394,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ingram, Joel","contributorId":65046,"corporation":false,"usgs":true,"family":"Ingram","given":"Joel","affiliations":[],"preferred":false,"id":310393,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":1016477,"text":"1016477 - 2006 - GIS-based niche modeling for mapping species' habitats","interactions":[],"lastModifiedDate":"2012-02-02T00:04:42","indexId":"1016477","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1465,"text":"Ecology","active":true,"publicationSubtype":{"id":10}},"title":"GIS-based niche modeling for mapping species' habitats","docAbstract":"Ecological a??niche modelinga?? using presence-only locality data and large-scale environmental variables provides a powerful tool for identifying and mapping suitable habitat for species over large spatial extents. We describe a niche modeling approach that identifies a minimum (rather than an optimum) set of basic habitat requirements for a species, based on the assumption that constant environmental relationships in a species' distribution (i.e., variables that maintain a consistent value where the species occurs) are most likely to be associated with limiting factors. Environmental variables that take on a wide range of values where a species occurs are less informative because they do not limit a species' distribution, at least over the range of variation sampled. This approach is operationalized by partitioning Mahalanobis D2 (standardized difference between values of a set of environmental variables for any point and mean values for those same variables calculated from all points at which a species was detected) into independent components. The smallest of these components represents the linear combination of variables with minimum variance; increasingly larger components represent larger variances and are increasingly less limiting. We illustrate this approach using the California Gnatcatcher (Polioptila californica Brewster) and provide SAS code to implement it.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ecology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Rotenberry, J., Preston, K., and Knick, S., 2006, GIS-based niche modeling for mapping species' habitats: Ecology, v. 87, no. 6, p. 1458-1464.","productDescription":"p. 1458-1464","startPage":"1458","endPage":"1464","numberOfPages":"7","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"links":[{"id":133175,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"87","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b30e4b07f02db6b40af","contributors":{"authors":[{"text":"Rotenberry, J.T.","contributorId":57015,"corporation":false,"usgs":true,"family":"Rotenberry","given":"J.T.","affiliations":[],"preferred":false,"id":324284,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Preston, K.L.","contributorId":68689,"corporation":false,"usgs":true,"family":"Preston","given":"K.L.","email":"","affiliations":[],"preferred":false,"id":324285,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Knick, S.","contributorId":33676,"corporation":false,"usgs":true,"family":"Knick","given":"S.","email":"","affiliations":[],"preferred":false,"id":324283,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70030603,"text":"70030603 - 2006 - Stress changes along the Sunda trench following the 26 December 2004 Sumatra-Andaman and 28 March 2005 Nias earthquakes","interactions":[],"lastModifiedDate":"2012-03-12T17:21:05","indexId":"70030603","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1807,"text":"Geophysical Research Letters","active":true,"publicationSubtype":{"id":10}},"title":"Stress changes along the Sunda trench following the 26 December 2004 Sumatra-Andaman and 28 March 2005 Nias earthquakes","docAbstract":"The 26 December 2004 Mw = 9.2 and 28 March 2005 Mw = 8.7 earthquakes on the Sumatra megathrust altered the state of stress over a large region surrounding the earthquakes. We evaluate the stress changes associated with coseismic and postseismic deformation following these two large events, focusing on postseismic deformation that is driven by viscoelastic relaxation of a low-viscosity asthenosphere. Under Coulomb failure stress (CFS) theory, the December 2004 event increased CFS on the future hypocentral zone of the March 2005 event by about 0.25 bar, with little or no contribution from viscous relaxation. Coseismic stresses around the rupture zones of the 1797 and 1833 Sunda trench events are negligible, but postseismic stress perturbations since December 2004 are predicted to result in CFS increases of 0.1 to 0.2 bar around these rupture zones between 2 and 8 years after the December 2004 event. These are considerable stress perturbations given that the 1797 and 1833 rupture zones are likely approaching the end of a complete seismic cycle. Copyright 2006 by the American Geophysical Union.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geophysical Research Letters","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1029/2005GL024558","issn":"00948276","usgsCitation":"Pollitz, F., Banerjee, P., Burgmann, R., Hashimoto, M., and Choosakul, N., 2006, Stress changes along the Sunda trench following the 26 December 2004 Sumatra-Andaman and 28 March 2005 Nias earthquakes: Geophysical Research Letters, v. 33, no. 6, https://doi.org/10.1029/2005GL024558.","costCenters":[],"links":[{"id":477644,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2005gl024558","text":"Publisher Index Page"},{"id":239386,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":211989,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2005GL024558"}],"volume":"33","issue":"6","noUsgsAuthors":false,"publicationDate":"2006-03-23","publicationStatus":"PW","scienceBaseUri":"505b9b53e4b08c986b31cddf","contributors":{"authors":[{"text":"Pollitz, F. F.","contributorId":108280,"corporation":false,"usgs":true,"family":"Pollitz","given":"F. F.","affiliations":[],"preferred":false,"id":427817,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Banerjee, P.","contributorId":90525,"corporation":false,"usgs":true,"family":"Banerjee","given":"P.","email":"","affiliations":[],"preferred":false,"id":427816,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Burgmann, R.","contributorId":10167,"corporation":false,"usgs":true,"family":"Burgmann","given":"R.","affiliations":[],"preferred":false,"id":427813,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hashimoto, M.","contributorId":33917,"corporation":false,"usgs":true,"family":"Hashimoto","given":"M.","email":"","affiliations":[],"preferred":false,"id":427815,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Choosakul, N.","contributorId":24568,"corporation":false,"usgs":true,"family":"Choosakul","given":"N.","email":"","affiliations":[],"preferred":false,"id":427814,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70030602,"text":"70030602 - 2006 - Distribution of foraminifera in Pamlico Sound, North Carolina, over the past century","interactions":[],"lastModifiedDate":"2012-03-12T17:21:05","indexId":"70030602","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2294,"text":"Journal of Foraminiferal Research","active":true,"publicationSubtype":{"id":10}},"title":"Distribution of foraminifera in Pamlico Sound, North Carolina, over the past century","docAbstract":"Foraminiferal and radionuclide data have been used to investigate environmental change that has occurred within Pamlico Sound, North Carolina, over the last century. Environmental conditions were evaluated for three time slices; (1) the modern environment as determined by surficial (0-1 cm) sediments, (2) short-core intervals representing approximately 40 years BP, as determined by 137Cs activity, and (3) short-core intervals representing approximately 120 years BP, as determined by 210Pb activity. Cluster analysis distinguished four foraminiferal assemblages at the surface (0-1 cm): (1) Marsh Biofacies, (2) Estuarine Biofacies A, (3) Estuarine Biofacies B, and (4) Marine Biofacies. The Marsh Biofacies is characterized by typical marsh foraminifera such as Tiphotrocha comprimata, Trochammina inflata, Miliammina fusca and Haplophragmoides wilberti. Estuarine Biofacies A is distinguished from Estuarine Biofacies B by the greater relative abundance of the agglutinated species Ammotium salsum and Ammobaculites crassus in the former and the greater relative abundance of Elphidium excavatum in the latter. The Marine Biofacies is comprised completely of calcareous foraminifera (e.g., Elphidium excavatum, Hanzawaia strattoni, Cibicides lobatulus, Elphidium subarcticum, Quinqueloculina seminula and Elphidium galvestonense) and is restricted to tidal inlets. Down-core foraminiferal data indicate that approximately 120 years BP, Pamlico Sound was dominated by Estuarine Biofacies A, which is indicative of brackish conditions. Upcore in the 40 years BP and modern time slices, Estuarine Biofacies B is the more prominent assemblage within Pamlico Sound; this is indicative of increased salinity over time. Lowered salinity conditions 120 years BP may be the result of high hurricane activity over a several year period.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Foraminiferal Research","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.2113/36.2.135","issn":"00961191","usgsCitation":"Abbene, I., Culver, S., Corbett, D., Buzas, M., and Tully, L., 2006, Distribution of foraminifera in Pamlico Sound, North Carolina, over the past century: Journal of Foraminiferal Research, v. 36, no. 2, p. 135-151, https://doi.org/10.2113/36.2.135.","startPage":"135","endPage":"151","numberOfPages":"17","costCenters":[],"links":[{"id":477645,"rank":10000,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.579.1399","text":"External Repository"},{"id":239385,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":211988,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.2113/36.2.135"}],"volume":"36","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a02d1e4b0c8380cd501f9","contributors":{"authors":[{"text":"Abbene, I.J.","contributorId":44349,"corporation":false,"usgs":true,"family":"Abbene","given":"I.J.","email":"","affiliations":[],"preferred":false,"id":427808,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Culver, S.J.","contributorId":53970,"corporation":false,"usgs":true,"family":"Culver","given":"S.J.","email":"","affiliations":[],"preferred":false,"id":427809,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Corbett, D.R.","contributorId":73791,"corporation":false,"usgs":true,"family":"Corbett","given":"D.R.","email":"","affiliations":[],"preferred":false,"id":427811,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Buzas, M.A.","contributorId":58018,"corporation":false,"usgs":true,"family":"Buzas","given":"M.A.","email":"","affiliations":[],"preferred":false,"id":427810,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Tully, L.S.","contributorId":107494,"corporation":false,"usgs":true,"family":"Tully","given":"L.S.","email":"","affiliations":[],"preferred":false,"id":427812,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70031055,"text":"70031055 - 2006 - Constraints on the mechanism of long-term, steady subsidence at Medicine Lake volcano, northern California, from GPS, leveling, and InSAR","interactions":[],"lastModifiedDate":"2019-04-15T10:07:35","indexId":"70031055","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2499,"text":"Journal of Volcanology and Geothermal Research","active":true,"publicationSubtype":{"id":10}},"title":"Constraints on the mechanism of long-term, steady subsidence at Medicine Lake volcano, northern California, from GPS, leveling, and InSAR","docAbstract":"Leveling surveys across Medicine Lake volcano (MLV) have documented subsidence that is centered on the summit caldera and decays symmetrically on the flanks of the edifice. Possible mechanisms for this deformation include fluid withdrawal from a subsurface reservoir, cooling/crystallization of subsurface magma, loading by the volcano and dense intrusions, and crustal thinning due to tectonic extension (Dzurisin et al., 1991 [Dzurisin, D., Donnelly-Nolan, J.M., Evans, J.R., Walter, S.R., 1991. Crustal subsidence, seismicity, and structure near Medicine Lake Volcano, California. Journal of Geophysical Research 96, 16, 319-16, 333.]; Dzurisin et al., 2002 [Dzurisin, D., Poland, M.P., Bürgmann, R., 2002. Steady subsidence of Medicine Lake Volcano, Northern California, revealed by repeated leveling surveys. Journal of Geophysical Research 107, 2372, doi:10.1029/2001JB000893.]). InSAR data that approximate vertical displacements are similar to the leveling results; however, vertical deformation data alone are not sufficient to distinguish between source mechanisms. Horizontal displacements from GPS were collected in the Mt. Shasta/MLV region in 1996, 1999, 2000, 2003, and 2004. These results suggest that the region is part of the western Oregon block that is rotating about an Euler pole in eastern Oregon. With this rotation removed, most sites in the network have negligible velocities except for those near MLV caldera. There, measured horizontal velocities are less than predicted from ∼10 km deep point and dislocation sources of volume loss based on the leveling data; therefore volumetric losses simulated by these sources are probably not causing the observed subsidence at MLV. This result demonstrates that elastic models of subsurface volume change can provide misleading results where additional geophysical and geological constraints are unavailable, or if only vertical deformation is known. The deformation source must be capable of causing broad vertical deformation with comparatively smaller horizontal displacements. Thermoelastic contraction of a column of hot rock beneath the volcano cannot reproduce the observed ratio of vertical to horizontal surface displacements. Models that determine deformation due to loading by the volcano and dense intrusions can be made to fit the pattern of vertical displacements by assuming a weak upper crust beneath MLV, though the subsidence rates due to surface loading must be lower than the observed displacements. Tectonic extension is almost certainly occurring based on fault orientations and focal mechanisms, but does not appear to be a major contributor to the observed deformation. We favor a model that includes a combination of sources, including extension and loading of a hot weak crust with thermal contraction of a cooling mass of rock beneath MLV, which are processes that are probably occurring at MLV. Future microgravity surveys and the planned deployment of an array of continuous GPS stations as part of a Plate Boundary Observatory volcano cluster will help to refine this model.