The response of rivers and riparian forests to upstream dams shows a regional pattern related to physiographic and climatic factors that influence channel geometry. We carried out a spatial analysis of the response of channel geometry to 35 dams in the Great Plains and Central Lowlands, USA. The principal response of a braided channel to an upstream dam is channel-narrowing, and the principal response of a meandering channel is a reduction in channel migration rate. Prior to water management, braided channels were most common in the southwestern Plains where sand is abundant, whereas meandering channels were most common in the northern and eastern Plains. The dominant response to upstream dams has been channel-narrowing in the southwestern Plains (e.g., six of nine cases in the High Plains) and reduction in migration rate in the north and east (e.g., all of twelve cases in the Missouri Plateau and Western Lake Regions). Channel-narrowing is associated with a burst of establishment of native and exotic woody riparian pioneer species on the former channel bed. In contrast, reduction in channel migration rate is associated with a decrease in reproduction of woody riparian pioneers. Thus, riparian pioneer forests along large rivers in the southwestern Plains have temporarily increased following dam construction while such forests in the north and east have decreased. These patterns explain apparent contradictions in conclusions of studies that focused on single rivers or small regions and provide a framework for predicting effects of dams on large rivers in the Great Plains and elsewhere. These conclusions are valid only for large rivers. A spatial analysis of channel width along 286 streams ranging in mean annual discharge from 0.004 to 1370 cubic meters per second did not produce the same clear regional pattern, in part because the channel geometries of small and large streams are affected differently by a sandy watershed.
","language":"English","publisher":"Springer Nature","doi":"10.1007/BF03161677","issn":"02775212","usgsCitation":"Friedman, J.M., Osterkamp, W.R., Scott, M.L., and Auble, G., 1998, Downstream effects of dams on channel geometry and bottomland vegetation: Regional patterns in the Great Plains: Wetlands, v. 18, no. 4, p. 619-633, https://doi.org/10.1007/BF03161677.","productDescription":"15 p.","startPage":"619","endPage":"633","costCenters":[],"links":[{"id":230893,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","otherGeospatial":"Great Plains","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -113.06616343641757,\n 48.89359348469233\n ],\n [\n -111.18652854198197,\n 46.27965937459229\n ],\n [\n -107.32482033745447,\n 43.209970546250005\n ],\n [\n -107.27294439634012,\n 32.783208267671114\n ],\n [\n -99.97352415581172,\n 32.07495183925195\n ],\n [\n -92.63289734978265,\n 37.60886972746303\n ],\n [\n -93.00340274975518,\n 48.359613064726204\n ],\n [\n -113.06616343641757,\n 48.89359348469233\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"18","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a03b6e4b0c8380cd5060f","contributors":{"authors":[{"text":"Friedman, Jonathan M. 0000-0002-1329-0663","orcid":"https://orcid.org/0000-0002-1329-0663","contributorId":44495,"corporation":false,"usgs":true,"family":"Friedman","given":"Jonathan","middleInitial":"M.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":385694,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Osterkamp, W. R.","contributorId":46044,"corporation":false,"usgs":true,"family":"Osterkamp","given":"W.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":385695,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Scott, M. L.","contributorId":75090,"corporation":false,"usgs":true,"family":"Scott","given":"M.","middleInitial":"L.","affiliations":[],"preferred":false,"id":385696,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Auble, G.T.","contributorId":19505,"corporation":false,"usgs":true,"family":"Auble","given":"G.T.","email":"","affiliations":[],"preferred":false,"id":385693,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":22042,"text":"ofr98210 - 1998 - Preliminary lithostratigraphy, interpreted geophysical logs and hydrogeologic characteristics of the 98th Street core hole, Albuquerque, New Mexico","interactions":[],"lastModifiedDate":"2020-03-27T10:24:02","indexId":"ofr98210","displayToPublicDate":"1998-12-01T00:00:00","publicationYear":"1998","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":"98-210","title":"Preliminary lithostratigraphy, interpreted geophysical logs and hydrogeologic characteristics of the 98th Street core hole, Albuquerque, New Mexico","docAbstract":"Core samples, cuttings, and numerous geophysical logs obtained from the 1560 ft (475.5 m) core hole drilled at 98th Street on the west side of Albuquerque provide key stratigraphic and hydraulicproperty information for the upper clastic sediments of the Santa Fe Group, which form the principal aquifer in the region. The core hole and an adjacent water-level monitoring well were drilled cooperatively by the U.S. Geological Survey (USGS) and the City of Albuquerque and investigated in collaboration with the New Mexico Bureau of Mines and Mineral Resources and the New Mexico Office of the State Engineer to improve understanding of aquifer characteristics and controls on ground-water availability and quality. The 751.5 ft (229 m) of core samples recovered from the core hole are the only undisturbed samples of nonlithified sediments of the upper part of the Santa Fe Group that have been collected in this area. These samples have allowed us, for the first time, to directly observe and characterize the lithic and sedimentologic features of this part of the section, and to correlate the detailed geologic features with geophysical-log characteristics, magnetic susceptibility measurements, hydraulic variables, and trace-element geochemistry. The adjacent well was designed to be an areally representative ground-water level and water-quality monitoring well for the Santa Fe Group aquifer. This report chiefly addresses the lithologic, stratigraphic, and hydrogeologic features determined from the 98th Street core hole; other reports address related characteristics.
Previous geologic studies predicted the stratigraphy at the site to be, from the land surface downward: 1) Quaternary alluvial and eolian valley-border sediments; 2) fluvial sand and gravel of the upper unit of the Santa Fe Group (Ceja Member of the Santa Fe Formation of Kelly, 1978; equivalent to the Sierra Ledrones Formation of Machette (1978a); 3) downward-fining basin-floor silty clay deposits and 4) fluvial sandy and silty facies of the middle unit of the Santa Fe Group (the Middle Red Member of Bryan and McCann, 1937, and Lambert, 1968). New geologic interpretations indicate that the drill site is in a fault block bounded by east-dipping normal faults and the oblique Atrisco-Rincon fault zone.
Core-hole sampling recovered 760.6 ft (231.8 m) of core, in core segments 2.1-2.375 in. (5.3-6 cm) in diameter, and 0.2-10 ft (6.1 cm-3 m) long. The core hole was cased with centered 3-in. PVC casing, and is available for geophysical logging. The monitoring-well hole contains four piezometers at depths of 1544 ft (470.6 m), 1112 ft (338.9 m), 749 ft (228.3 m), and 458 ft (139.6 m).
Sediments in the core are loose to weakly cemented gravel, sand, silt, and clay, and lithified sandstone. Laboratory analyses of particle-size distributions of 28 channel samples show that most silty sand samples are uniformly graded and poorly sorted; medium sand samples are moderately sorted. Six principal sediment types are used to describe the core; these sediment types are repeated in various combinations throughout the core and are used to define 22 lithologic units in the cored interval. The six principal sediment types contain sequences of beds having similar modal grain size and sedimentary structure, and are listed in decreasing abundance:
1) Silty fine sand, poorly sorted, containing a coarse silt matrix. Geophysical logs show highly variable baselines with deflections that are related to clay beds and sequences of silt, clay, and sorted fine sand. Density values of 2.12-2.25 g/cc and porosity values of 30-35 percent are typical.
2) Medium sand, moderately to poorly sorted. Geophysical logs show baselines of low variability with deflections that are related to clay beds and sequences of silt, clay, and sorted fine sand. Density values of 2.05-2.20 g/cc and porosity values of 30-35 percent are typical.
3) Clayey sandy silt, poorly sorted, locally microlaminated clay and silt, generally nonplastic. Geophysical logs show highly variable baselines with deflections that are related to sequences of clay and fine sand. Density values of 2.1-2.2 g/cc and porosity values of 30-40 percent are typical.
4) Silt and clay, characteristically red to reddish brown and medium to high plasticity, massive to indistinctly microlaminated. Geophysical logs show variable baselines with broad, high-amplitude compound spikes that are related to sequences of silt and fine sand. Density values of 2.12-2.25 g/cc and porosity values of >45 percent are typical.
5) Sand and gravel, poorly sorted. Geophysical logs show variable baselines with deflections that are related to sequences of silty and sorted fine sand.
6) Sandstone, fine-to-medium grained, poorly sorted, cemented chiefly by calcite, which fills the original pore space. Geophysical logs show density values >2.25 g/cc and porosity values <30 percent.
The 22 lithologic units are correlated with recognized basin-floor fluvial lithofacies (Hawley, 1996), which include sand and gravel (lithofacies I), sand with lenses of pebbly sand, silt, and silty clay (lithofacies II), and interbedded sand, silt, and silty clay (modified lithofacies III, IV, IX).
The sediments in the core hole are correlated with three informal lithostratigraphic units. The top unit, 0-19 ft (0-5.8 m) depth, consists of Quaternary eolian sand and valley-border alluvium. Coarsegrained deposits in the 19-97 ft (5.8-29.6 m) interval are correlated with the upper unit of the Santa Fe Group. The fine-grained section in the 97-787 ft (29.6-239.9 m) interval is correlated tentatively with the middle unit of the Santa Fe Group. This section contains thick sequences of laminated red and olivebrown clay and silt overbank deposits (441-787 ft) in the distinctive Atrisco member of Connell and others (1998). The Atrisco is correlated with fine-grained zones in numerous wells throughout the central Albuquerque metropolitan area, and is recognized as a zone that separates the upper Santa Fe aquifer from underlying middle Santa Fe deposits. The lower section of the middle unit of the Santa Fe, 787-1500 ft (239.9-457.2 m) depth, includes an upper sequence of moderately sorted channel-fill medium sand, and a lower sequence of sand, silt, and clay overbank deposits. The age of the cored interval is not known precisely. The upper Santa Fe gravel is related regionally to a through-flowing river system that was established in the Rio Grande rift valleys in Early Pliocene time, >4.5 MA. The middle Santa Fe unit is dated tentatively by correlation with a fossiliferous section, in which sandy beds that directly underlie the upper Santa Fe are Late Miocene (Hemphellian), 4.6- 8.9 MA. Further, the middle Santa Fe unit, with dominantly normal magnetic polarity, may have been deposited during closely spaced normal magnetic chrons 5.9-8.3 Ma.
Four hydrostratigraphic units summarize the hydrogeologic framework for the 98th Street site: 1) Quaternary valley-border deposits, 2) upper Santa Fe sand and gravel deposits, 3) middle Santa Fe overbank deposits, and 4) middle Santa Fe channel-sand deposits. Empirical values of horizontal hydraulic conductivity estimated from core samples reveal a previously unknown contrast in hydraulic conductivity in the lowest two hydrostratigraphic units. Correlations among numerous wells show that the distinctively fine-grained Atrisco member, with estimated hydraulic conductivities (K) of <0.02-17 ft/day, is a laterally extensive barrier to vertical ground-water flow. The underlying unit that contains moderately sorted medium sand is a potential aquifer production zone that should be investigated further.
Laboratory determination of vertical hydraulic conductivity values for fine-grained core samples range from 10-2 to 10-7 ft/day; recompacted sandy samples have K values of 1 to 10-2 ft/day. Results of tests conducted with increasing effective stress show that K values of all samples decrease with decreasing porosity. Comparison of K values from laboratory, empirical, and calculated geophysical values shows discrepancies of 1-3 orders of magnitude (ft/day), indicating that additional analyses of core samples and geophysical data are necessary for future characterization of the Santa Fe Group aquifer.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr98210","usgsCitation":"Stone, B.D., Allen, B.D., Mikolas, M., Haneberg, W.C., Hawley, J.W., Johnson, P.S., Alfred, B., and Thorn, C.R., 1998, Preliminary lithostratigraphy, interpreted geophysical logs and hydrogeologic characteristics of the 98th Street core hole, Albuquerque, New Mexico: U.S. Geological Survey Open-File Report 98-210, iv, 82 p. , https://doi.org/10.3133/ofr98210.","productDescription":"iv, 82 p. ","costCenters":[{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true}],"links":[{"id":153833,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1998/0210/report-thumb.jpg"},{"id":51502,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1998/0210/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"New Mexico","city":"Albuquerque","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -106.875,\n 34.99850370014629\n ],\n [\n -106.61407470703125,\n 34.99850370014629\n ],\n [\n -106.61407470703125,\n 35.252348097623354\n ],\n [\n -106.875,\n 35.252348097623354\n ],\n [\n -106.875,\n 34.99850370014629\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ab0e4b07f02db66d954","contributors":{"authors":[{"text":"Stone, Byron D. 0000-0001-6092-0798 bdstone@usgs.gov","orcid":"https://orcid.org/0000-0001-6092-0798","contributorId":1702,"corporation":false,"usgs":true,"family":"Stone","given":"Byron","email":"bdstone@usgs.gov","middleInitial":"D.","affiliations":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true},{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true}],"preferred":true,"id":186816,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Allen, Bruce D.","contributorId":70568,"corporation":false,"usgs":true,"family":"Allen","given":"Bruce","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":186821,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mikolas, Marlo","contributorId":97522,"corporation":false,"usgs":true,"family":"Mikolas","given":"Marlo","email":"","affiliations":[],"preferred":false,"id":186822,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Haneberg, William C.","contributorId":57121,"corporation":false,"usgs":true,"family":"Haneberg","given":"William","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":186818,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Hawley, John W.","contributorId":195787,"corporation":false,"usgs":false,"family":"Hawley","given":"John","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":186817,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Johnson, Peggy S.","contributorId":85689,"corporation":false,"usgs":true,"family":"Johnson","given":"Peggy","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":186820,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Alfred, Barry","contributorId":57482,"corporation":false,"usgs":true,"family":"Alfred","given":"Barry","email":"","affiliations":[],"preferred":false,"id":186819,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Thorn, Conde R.","contributorId":88397,"corporation":false,"usgs":true,"family":"Thorn","given":"Conde","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":186823,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}} ,{"id":27956,"text":"wri974060 - 1998 - Hydrogeology of Naval Submarine Base Bangor and vicinity, Kitsap County, Washington","interactions":[],"lastModifiedDate":"2022-02-10T20:09:39.907876","indexId":"wri974060","displayToPublicDate":"1998-12-01T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"97-4060","title":"Hydrogeology of Naval Submarine Base Bangor and vicinity, Kitsap County, Washington","docAbstract":"No abstract available.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri974060","usgsCitation":"Kahle, S.C., 1998, Hydrogeology of Naval Submarine Base Bangor and vicinity, Kitsap County, Washington: U.S. Geological Survey Water-Resources Investigations Report 97-4060, Report: vi, 107 p.; 7 Plates: 23.00 × 46.75 inches or smaller, https://doi.org/10.3133/wri974060.","productDescription":"Report: vi, 107 p.; 7 Plates: 23.00 × 46.75 inches or smaller","costCenters":[],"links":[{"id":56766,"rank":402,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1997/4060/plate-3.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":56765,"rank":401,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1997/4060/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":56764,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1997/4060/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":56771,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1997/4060/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":395804,"rank":10,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_49281.htm"},{"id":120147,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1997/4060/report-thumb.jpg"},{"id":56768,"rank":404,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1997/4060/plate-5.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":56767,"rank":403,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1997/4060/plate-4.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":56770,"rank":406,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1997/4060/plate-7.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":56769,"rank":405,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1997/4060/plate-6.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Washington","county":"Kitsap County","otherGeospatial":"Naval Submarine Base Bangor and vicinity","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -122.79144287109375,\n 47.68203210030427\n ],\n [\n -122.64312744140624,\n 47.68203210030427\n ],\n [\n -122.64312744140624,\n 47.85740289465826\n ],\n [\n -122.79144287109375,\n 47.85740289465826\n ],\n [\n -122.79144287109375,\n 47.68203210030427\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd4919e4b0b290850eee31","contributors":{"authors":[{"text":"Kahle, S. C.","contributorId":46992,"corporation":false,"usgs":true,"family":"Kahle","given":"S.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":198964,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":64518,"text":"i2364H - 1998 - Magnetic and gravity anomaly maps of West Virginia","interactions":[],"lastModifiedDate":"2012-02-10T00:10:53","indexId":"i2364H","displayToPublicDate":"1998-12-01T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":320,"text":"IMAP","code":"I","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2364","subseriesTitle":"NONE","chapter":"H","title":"Magnetic and gravity anomaly maps of West Virginia","language":"ENGLISH","doi":"10.3133/i2364H","isbn":"0607887028","usgsCitation":"King, E.R., Daniels, D.L., Hanna, W.F., and Snyder, S.L., 1998, Magnetic and gravity anomaly maps of West Virginia: U.S. Geological Survey IMAP 2364, 6 maps on 1 sheet :some col. ;39 x 43 cm. or smaller, sheet 85 x 139 cm., folded in envelope 30 x 24 cm., https://doi.org/10.3133/i2364H.","productDescription":"6 maps on 1 sheet :some col. ;39 x 43 cm. or smaller, sheet 85 x 139 cm., folded in envelope 30 x 24 cm.","costCenters":[],"links":[{"id":109879,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_22941.htm","linkFileType":{"id":5,"text":"html"},"description":"22941"},{"id":186952,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":6070,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/imap/i-2364-h/","linkFileType":{"id":5,"text":"html"}}],"scale":"1000000","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -79.75,38.1175 ], [ -79.75,38.6175 ], [ -79.11749999999999,38.6175 ], [ -79.11749999999999,38.1175 ], [ -79.75,38.1175 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a80e4b07f02db6492b1","contributors":{"authors":[{"text":"King, E. R.","contributorId":93482,"corporation":false,"usgs":true,"family":"King","given":"E.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":271174,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Daniels, D. L.","contributorId":69114,"corporation":false,"usgs":true,"family":"Daniels","given":"D.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":271173,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hanna, W. F.","contributorId":6835,"corporation":false,"usgs":true,"family":"Hanna","given":"W.","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":271171,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Snyder, S. L.","contributorId":25132,"corporation":false,"usgs":true,"family":"Snyder","given":"S.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":271172,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":1003784,"text":"1003784 - 1998 - Lead poisoning and trace elements in common eiders Somateria mollissima from Finland","interactions":[],"lastModifiedDate":"2026-03-20T15:33:12.952514","indexId":"1003784","displayToPublicDate":"1998-12-01T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3766,"text":"Wildlife Biology","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Lead poisoning and trace elements in common eiders Somateria mollissima from Finland","title":"Lead poisoning and trace elements in common eiders Somateria mollissima from Finland","docAbstract":"We collected carcasses of 52 common eider Somateria mollissima adults and ducklings and blood samples from 11 nesting eider hens in the Gulf of Finland near Helsinki in 1994, 1995 and 1996. Samples of liver tissue were analysed for arsenic, cadmium, chromium, copper, iron, lead, magnesium, manganese, mercury, molybdenum, selenium and zinc. Blood was analysed for lead, mercury and selenium. Most of the 21 adults examined at necropsy were emaciated with empty gizzards, and no ingested shotgun pellets or other metal were found in any of the birds. Three adult females had a combination of lesions and tissue lead residues characteristic of lead poisoning. Two of these birds had acid-fast intranuclear inclusion bodies in renal epithelial cells and high concentrations of lead (73.4 and 73.3 ppm; all liver residues reported on dry weight basis) in their livers. The third was emaciated with a liver lead concentration of 47.9 ppm. An adult male had a liver lead concentration of 81.7 ppm, which is consistent with severe clinical poisoning. Two other adults, one male and one female, had liver lead concentrations of 14.2 and 8.03 ppm, respectively. Lead concentrations in the blood of hens ranged from 0.11 to 0.63 ppm wet weight. Selenium residues of A?60 ppm were found in the livers of five adult males. Selenium concentrations in the blood of hens ranged from 1.18 to 3.39 ppm wet weight. Arsenic concentrations of 27.5-38.5 ppm were detected in the livers of four adult females. Detectable concentrations of selenium, mercury and molybdenum were found more frequently in the livers of adult males arriving on the breeding grounds than in incubating females, while the reverse was true for arsenic, lead and chromium. Mean concentrations of selenium, copper and molybdenum were higher in the livers of arriving males than in the livers of incubating hens, but hens had greater concentrations of iron and magnesium. Concentrations of trace elements were lower in the livers of ducklings than in the livers of adults.
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K.","contributorId":74395,"corporation":false,"usgs":true,"family":"White","given":"M.","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":192643,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Shields, R.R.","contributorId":106916,"corporation":false,"usgs":true,"family":"Shields","given":"R.R.","email":"","affiliations":[],"preferred":false,"id":192644,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Dodge, K. A.","contributorId":40615,"corporation":false,"usgs":true,"family":"Dodge","given":"K.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":192642,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70244156,"text":"70244156 - 1998 - Rumbling geysers (and volcanoes)","interactions":[],"lastModifiedDate":"2023-06-05T19:06:52.188107","indexId":"70244156","displayToPublicDate":"1998-11-26T14:02:35","publicationYear":"1998","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2840,"text":"Nature","active":true,"publicationSubtype":{"id":10}},"title":"Rumbling geysers (and volcanoes)","docAbstract":"No abstract avaialable.
Circulating plasma cortisol and gill corticosteroid receptors (CR) have been observed to change seasonally in conjunction with smolting in Atlantic salmon. To differentiate whether these changes are seasonal or ontogenic, juvenile Atlantic salmon parr were separated by size into upper (UM) and lower mode (LM) in September. At monthly intervals, the fish were sampled for plasma cortisol, gill Na+K+ATPase activity and CR abundance (Bmax) and dissociation constant (kD). UM were significantly larger than LM, and showed the silver appearance characteristic of smolts in April and May. Gill Na+K+ATPase activity of UM fish increased 6-fold during the spring; LM fish increased 1.5-fold. Plasma cortisol levels increased significantly (10-fold) in UM fish in May, but not in LM fish. Gill CR Bmax increased 5-fold over the duration of the study in both groups. CR kD was lowest in October and highest in May; a 1.8- and 2-fold increase in LM and UM, respectively. There were no significant differences in gill CR Bmax and kD between the two groups during the study, except in May, when kD was significantly greater and Bmax lower in UM than LM. Peak levels of gill Na+K+ATPase activity occur coincident with an increase in plasma cortisol concentration. Seasonal increases in CR Bmax and kD are similar in UM and LM fish and occur independent of smolting in juvenile Atlantic salmon. In UM fish, plasma cortisol increases in spring are concurrent with increased smolt characteristics.
","language":"English","publisher":"Elsevier","doi":"10.1016/S0044-8486(98)00350-0","usgsCitation":"Shrimpton, J.M., and McCormick, S.D., 1998, Seasonal differences in plasma cortisol and gill corticosteroid receptors in upper and lower mode juvenile Atlantic salmon: Aquaculture, v. 168, no. 1-4, p. 205-219, https://doi.org/10.1016/S0044-8486(98)00350-0.","productDescription":"15 p.","startPage":"205","endPage":"219","numberOfPages":"15","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":131133,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"168","issue":"1-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0ce4b07f02db5fc3c8","contributors":{"authors":[{"text":"Shrimpton, J. Mark","contributorId":42747,"corporation":false,"usgs":true,"family":"Shrimpton","given":"J.","email":"","middleInitial":"Mark","affiliations":[],"preferred":false,"id":321101,"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":139214,"corporation":false,"usgs":true,"family":"McCormick","given":"Stephen","email":"smccormick@usgs.gov","middleInitial":"D.","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":true,"id":321102,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":1014653,"text":"1014653 - 1998 - Atlantic salmon smolts are more responsive to an acute handling and confinement stress than parr","interactions":[],"lastModifiedDate":"2023-08-04T16:12:30.516883","indexId":"1014653","displayToPublicDate":"1998-11-24T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":853,"text":"Aquaculture","active":true,"publicationSubtype":{"id":10}},"title":"Atlantic salmon smolts are more responsive to an acute handling and confinement stress than parr","docAbstract":"Atlantic salmon parr and smolts reared under a natural temperature and photoperiod regime were subjected to an acute handling and confinement stress in early May. Smolts had a mean plasma cortisol concentration of 10 ng/ml before stress and 242 ng/ml 3 h after initiation of stress which returned to pre-stress levels within 8 h. Parr had a plasma cortisol concentration of 4 ng/ml prior to stress which increased to 11 ng/ml 3 h after initiation of stress and returned to pre-stress levels within 8 h. Plasma glucose was significantly higher in parr and smolts 3 h after initiation of stress; in parr, plasma glucose returned to pre-stress levels within 8 h, but not until 48 h in smolts. Plasma chloride concentration in smolts decreased from 139 to 124 mM 3 h after initiation of stress but returned to pre-stress levels within 24 h; plasma chloride in parr was not altered by stress. Plasma thyroxine of parr and smolts peaked at 3 h after initiation of stress and returned to pre-stress levels within 8 h, but smolts had 72% higher levels at 3 h. Pre-smolts (February) and smolts (May) reared under constant temperature (8–10°C) were also subjected to a handling and confinement stress. Although peak levels of plasma cortisol 3 h after initiation of stress were twice as high in smolts, other physiological and endocrine responses were not substantially different between pre-smolts and smolts. The results demonstrate that Atlantic salmon smolts are more responsive to stress than parr and that developmental differences are more important than seasonal changes.
","language":"English","publisher":"Elsevier","doi":"10.1016/S0044-8486(98)00352-4","usgsCitation":"Carey, J.B., and McCormick, S.D., 1998, Atlantic salmon smolts are more responsive to an acute handling and confinement stress than parr: Aquaculture, v. 168, no. 1-4, p. 237-253, https://doi.org/10.1016/S0044-8486(98)00352-4.","productDescription":"16 p.","startPage":"237","endPage":"253","numberOfPages":"16","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":131003,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"168","issue":"1-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aaae4b07f02db669513","contributors":{"authors":[{"text":"Carey, J. B.","contributorId":88313,"corporation":false,"usgs":true,"family":"Carey","given":"J.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":320842,"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":139214,"corporation":false,"usgs":true,"family":"McCormick","given":"Stephen","email":"smccormick@usgs.gov","middleInitial":"D.","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":true,"id":320841,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":1014566,"text":"1014566 - 1998 - Repeated acute stress reduces growth rate of Atlantic salmon parr and alters plasma levels of growth hormone, insulin-like growth factor I and cortisol","interactions":[],"lastModifiedDate":"2023-08-04T16:09:56.861661","indexId":"1014566","displayToPublicDate":"1998-11-24T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":853,"text":"Aquaculture","active":true,"publicationSubtype":{"id":10}},"title":"Repeated acute stress reduces growth rate of Atlantic salmon parr and alters plasma levels of growth hormone, insulin-like growth factor I and cortisol","docAbstract":"Atlantic salmon (Salmo salar) parr were subjected to acute handling stresses and growth-monitored for at least 30 days. In fish stressed twice daily, growth rate in weight was 61% lower than controls after 11 days (1.00 vs. 2.57% day−1) and over a 30 day period it was 50% lower than controls (1.53 vs. 3.07% day−1). In fish stressed once daily, growth rate was 18% lower than controls after 10 days (2.17 vs. 2.63% day−1) and over a 30-day period it was 34% lower than controls (1.71 vs. 2.59% day−1). In fish stressed once daily, food consumption was reduced by 62% and 37% after 17 and 37 days, respectively. At the end of 40 days of acute stress once daily, control and stressed fish were sampled 1 h prior to, 3 and 7 h after a stress event. Plasma growth hormone levels were significantly higher in the stressed group than in the controls prior to and 7 h after stress. Plasma insulin-like growth factor I (IGF-I) levels were higher in the stressed group only 3 and 7 h after stress. Plasma cortisol levels were lower in the stressed group prior to and 3 h after stress. The results indicate that acute stressors decrease growth of Atlantic salmon parr, with increasing frequency of stress having a more rapid and greater effect.
","language":"English","publisher":"Elsevier","doi":"10.1016/S0044-8486(98)00351-2","usgsCitation":"McCormick, S., Shrimpton, J., Carey, J.B., O’Dea, M.F., Sloan, K.E., Moriyama, S., and Bjornsson, B.T., 1998, Repeated acute stress reduces growth rate of Atlantic salmon parr and alters plasma levels of growth hormone, insulin-like growth factor I and cortisol: Aquaculture, v. 168, no. 1-4, p. 221-235, https://doi.org/10.1016/S0044-8486(98)00351-2.","productDescription":"15 p.","startPage":"221","endPage":"235","numberOfPages":"15","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":132321,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"168","issue":"1-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a5fe4b07f02db634004","contributors":{"authors":[{"text":"McCormick, S. D. 0000-0003-0621-6200","orcid":"https://orcid.org/0000-0003-0621-6200","contributorId":20278,"corporation":false,"usgs":true,"family":"McCormick","given":"S. D.","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":false,"id":320620,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Shrimpton, J. M.","contributorId":10362,"corporation":false,"usgs":true,"family":"Shrimpton","given":"J. M.","affiliations":[],"preferred":false,"id":320619,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Carey, J. B.","contributorId":88313,"corporation":false,"usgs":true,"family":"Carey","given":"J.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":320625,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"O’Dea, M. F.","contributorId":30579,"corporation":false,"usgs":true,"family":"O’Dea","given":"M.","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":320622,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Sloan, K. E.","contributorId":64614,"corporation":false,"usgs":true,"family":"Sloan","given":"K.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":320624,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Moriyama, S.","contributorId":57408,"corporation":false,"usgs":true,"family":"Moriyama","given":"S.","email":"","affiliations":[],"preferred":false,"id":320623,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Bjornsson, Bjorn Thrandur","contributorId":28928,"corporation":false,"usgs":true,"family":"Bjornsson","given":"Bjorn","email":"","middleInitial":"Thrandur","affiliations":[],"preferred":false,"id":320621,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ,{"id":1014536,"text":"1014536 - 1998 - Epizootics of cancer in fish associated with genotoxins sediment and water","interactions":[],"lastModifiedDate":"2025-05-16T16:24:59.086321","indexId":"1014536","displayToPublicDate":"1998-11-19T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2796,"text":"Mutation Research","active":true,"publicationSubtype":{"id":10}},"title":"Epizootics of cancer in fish associated with genotoxins sediment and water","docAbstract":"Neoplasm epizootics in fish from a wide variety of freshwater, marine, and estuarine locations have been associated with genotoxins in sediment or water. The majority of cases have involved benthic or bottom feeding fish living in habitats with sediment contaminated by PAHs. The most common lesions involved in such epizootics include liver neoplasms, both biliary and hepatic, and skin neoplasms. Laboratory research has demonstrated the ability of fish to metabolize carcinogenic PAHs such as B(a)P into the ultimate carcinogen with the resulting formation of DNA adducts. Fish dosed with B(a)P or sediment extracts containing carcinogenic PAHs have developed skin and liver neoplasms. In the Black River, OH, neoplasm prevalence in wild brown bullhead has reflected PAH exposure as the latter has changed due to coke plant closures and remedial dredging activity. The weight of evidence supports a cause-and-effect relationship between exposure to genotoxins in sediment and water and neoplasm epizootics in wild fish populations.
","language":"English","publisher":"Elsevier","doi":"10.1016/S1383-5742(98)00015-5","usgsCitation":"Baumann, P.C., 1998, Epizootics of cancer in fish associated with genotoxins sediment and water: Mutation Research, v. 411, no. 3, p. 227-233, https://doi.org/10.1016/S1383-5742(98)00015-5.","productDescription":"7 p.","startPage":"227","endPage":"233","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":131937,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"geometry\": {\n \"type\": \"MultiPolygon\",\n \"coordinates\": [\n [\n [\n [\n -94.81758,\n 49.38905\n ],\n [\n -94.64,\n 48.84\n ],\n [\n -94.32914,\n 48.67074\n ],\n [\n -93.63087,\n 48.60926\n ],\n [\n -92.61,\n 48.45\n ],\n [\n -91.64,\n 48.14\n ],\n [\n -90.83,\n 48.27\n ],\n [\n -89.6,\n 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C.","contributorId":43297,"corporation":false,"usgs":false,"family":"Baumann","given":"P.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":320552,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70174364,"text":"70174364 - 1998 - An overview of San Francisco Bay PORTS","interactions":[],"lastModifiedDate":"2021-07-20T18:49:48.055356","indexId":"70174364","displayToPublicDate":"1998-11-19T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"An overview of San Francisco Bay PORTS","docAbstract":"The Physical Oceanographic Real-Time System (PORTS) provides observations of tides, tidal currents, and meteorological conditions in real-time. The San Francisco Bay PORTS (SFPORTS) is a decision support system to facilitate safe and efficient maritime commerce. In addition to real-time observations, SFPORTS includes a nowcast numerical model forming a San Francisco Bay marine nowcast system. SFPORTS data and nowcast numerical model results are made available to users through the World Wide Web (WWW). A brief overview of SFPORTS is presented, from the data flow originated at instrument sensors to final results delivered to end users on the WWW. A user-friendly interface for SFPORTS has been designed and implemented. Appropriate field data analysis, nowcast procedures, design and generation of graphics for WWW display of field data and nowcast results are presented and discussed. Furthermore, SFPORTS is designed to support hazardous materials spill prevention and response, and to serve as resources to scientists studying the health of San Francisco Bay ecosystem. The success (or failure) of the SFPORTS to serve the intended user community is determined by the effectiveness of the user interface.
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T.","contributorId":69134,"corporation":false,"usgs":true,"family":"Cheng","given":"Ralph","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":642025,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McKinnie, David","contributorId":172774,"corporation":false,"usgs":false,"family":"McKinnie","given":"David","email":"","affiliations":[],"preferred":false,"id":642026,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"English, Chad","contributorId":172775,"corporation":false,"usgs":false,"family":"English","given":"Chad","email":"","affiliations":[],"preferred":false,"id":642027,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Smith, Richard E.","contributorId":146652,"corporation":false,"usgs":false,"family":"Smith","given":"Richard E.","affiliations":[],"preferred":false,"id":642028,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":5223500,"text":"5223500 - 1998 - Relation of lead exposure to sediment ingestion in mute swans on the Chesapeake Bay, USA","interactions":[],"lastModifiedDate":"2024-02-05T16:36:48.264214","indexId":"5223500","displayToPublicDate":"1998-11-01T12:18:40","publicationYear":"1998","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1571,"text":"Environmental Toxicology and Chemistry","active":true,"publicationSubtype":{"id":10}},"title":"Relation of lead exposure to sediment ingestion in mute swans on the Chesapeake Bay, USA","docAbstract":"Although wildlife risk assessments are generally based on the accumulation of environmental contaminants through food chains, wildlife may also ingest contaminants incidentally with sediment. Forty-two mute swans (Cygnus olor) were collected from unpolluted portions of central Chesapeake Bay, Maryland, USA, in spring 1995, and their intestinal digesta were analyzed for 13 metals (aluminum [Al], boron, barium, cadmium, copper [Cu], iron, magnesium, manganese, nickel, lead [Pb], strontium, vanadium, and zinc) and for acid-insoluble ash, a marker of sediment. Swan livers and sediment samples also were analyzed for the same metals. Group method of data handling demonstrated that the digesta Al, which is associated with clays, was the best predictor of digesta Pb. Adding concentrations of other metals as predictors did not improve the accuracy of the estimates of Pb concentrations from Al concentrations. The r2 of the equation relating the log of digesta Pb to the log of digesta Al was 0.86, whereas the r2 of the equation relating the log of digesta Pb to the log of digesta acid-insoluble ash was 0.50. Accounting for the sediment ingested was critical to determining the exposure of mute swans to Pb, as well as to some of the other metals, and sediment ingestion should be considered in ecotoxicological risk assessments of waterfowl. The mean of 7.4% acid-insoluble ash in the digesta corresponded to an estimated 3.2% sediment in the diet. The Pb concentrations in the digesta were two to three times the concentration that would have been predicted from sediment Pb concentrations; presumably, the swans had ingested clays high in Pb that had settled on the vegetation. The swans were probably not exposed to high Cu concentrations but nevertheless had hepatic Cu concentrations that would be considered very high if found in other species.
","language":"English","publisher":"Society of Environmental Toxicology and Chemistry","doi":"10.1002/etc.5620171121","usgsCitation":"Beyer, W., Day, D., Morton, A., and Pachepsky, Y., 1998, Relation of lead exposure to sediment ingestion in mute swans on the Chesapeake Bay, USA: Environmental Toxicology and Chemistry, v. 17, no. 11, p. 2298-2301, https://doi.org/10.1002/etc.5620171121.","productDescription":"2298-2301","startPage":"2298","endPage":"2301","numberOfPages":"4","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":198376,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":425380,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://www3.interscience.wiley.com/journal/122664160/abstract","linkFileType":{"id":5,"text":"html"}}],"volume":"17","issue":"11","noUsgsAuthors":false,"publicationDate":"1998-11-01","publicationStatus":"PW","scienceBaseUri":"4f4e4a01e4b07f02db5f7edf","contributors":{"authors":[{"text":"Beyer, W. 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N.","affiliations":[],"preferred":false,"id":338877,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Day, D. 0000-0001-9070-7170","orcid":"https://orcid.org/0000-0001-9070-7170","contributorId":20298,"corporation":false,"usgs":true,"family":"Day","given":"D.","affiliations":[],"preferred":false,"id":338874,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Morton, Alexandra","contributorId":42323,"corporation":false,"usgs":true,"family":"Morton","given":"Alexandra","email":"","affiliations":[],"preferred":false,"id":338876,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Pachepsky, Y.","contributorId":29539,"corporation":false,"usgs":true,"family":"Pachepsky","given":"Y.","affiliations":[],"preferred":false,"id":338875,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70020572,"text":"70020572 - 1998 - Non-double-couple earthquakes 2. Observations","interactions":[],"lastModifiedDate":"2025-07-17T16:41:38.580829","indexId":"70020572","displayToPublicDate":"1998-11-01T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3283,"text":"Reviews of Geophysics","active":true,"publicationSubtype":{"id":10}},"title":"Non-double-couple earthquakes 2. Observations","docAbstract":"Most studies assume that earthquakes have double-couple (DC) source mechanisms, corresponding to shear motion on planar faults. However, many well-recorded earthquakes have radiation patterns that depart radically from this model, indicating fundamentally different source processes. Seismic waves excited by advective processes, such as landslides and volcanic eruptions, are consistent with net forces rather than DCs. Some volcanic earthquakes also have single-force mechanisms, probably because of advection of magmatic fluids. Other volcanic earthquakes have mechanisms close to compensated linear vector dipoles and may be caused by magmatic intrusions. Shallow earthquakes in volcanic or geothermal areas and mines often have mechanisms with isotropic components, indicating volume changes of either explosive or implosive polarity. Such mechanisms are consistent with failure involving both shear and tensile faulting, which may be facilitated by high-pressure, high-temperature fluids. In mines, tunnels are cavities that may close. Deep-focus earthquakes occur within zones of polymorphic phase transformations in the upper mantle at depths where stick-slip instability cannot occur. Their mechanisms tend to be deviatoric (volume conserving), but non-DC, and their source processes are poorly understood. Automatic global moment tensor services routinely report statistically significant non-DC components for large earthquakes, but detailed reexamination of individual events is required to confirm such results.","language":"English","publisher":"American Geophysical Union","doi":"10.1029/98RG00717","issn":"87551209","usgsCitation":"Miller, A., Foulger, G., and Julian, B., 1998, Non-double-couple earthquakes 2. Observations: Reviews of Geophysics, v. 36, no. 4, p. 551-568, https://doi.org/10.1029/98RG00717.","productDescription":"18 p.","startPage":"551","endPage":"568","costCenters":[],"links":[{"id":492512,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/98rg00717","text":"Publisher Index Page"},{"id":230911,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"36","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a673ae4b0c8380cd73221","contributors":{"authors":[{"text":"Miller, A.D.","contributorId":6202,"corporation":false,"usgs":true,"family":"Miller","given":"A.D.","email":"","affiliations":[],"preferred":false,"id":386730,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Foulger, G.R.","contributorId":14439,"corporation":false,"usgs":false,"family":"Foulger","given":"G.R.","email":"","affiliations":[],"preferred":false,"id":386731,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Julian, B.R.","contributorId":101272,"corporation":false,"usgs":true,"family":"Julian","given":"B.R.","email":"","affiliations":[],"preferred":false,"id":386732,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70174712,"text":"70174712 - 1998 - Desire to bargain and negotiation success: lessons about the need to negotiate from six hydropower disputes","interactions":[],"lastModifiedDate":"2016-07-14T15:54:32","indexId":"70174712","displayToPublicDate":"1998-11-01T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1547,"text":"Environmental Management","active":true,"publicationSubtype":{"id":10}},"title":"Desire to bargain and negotiation success: lessons about the need to negotiate from six hydropower disputes","docAbstract":"We investigated the notion that successful negotiations require that all parties to the dispute must have a desire to bargain. This desire is most likely to be present when the dispute exhibits ripeness and each party believes a bargained solution is the most cost-effective way to resolve differences. Structured interviews of participants in six Federal Energy Regulatory Commission hydropower licensing consultations were conducted to determine the level of need to negotiate for each party. The findings indicate that a need to negotiate is a necessary, but not sufficient, condition for success. Several factors were associated with a need to negotiate: a weak BATNA (best alternative to a negotiated agreement); a salient issue; participants’ sense of efficacy; a sense of inevitability; professional roles encouraging negotiation; and disputes about facts as opposed to disputes about values. Participants’ need to negotiate fluctuated throughout the process and intensified when questions were ripe: i.e., critical issues were debated or the regulatory process required action.
","language":"English","publisher":"Springe","doi":"10.1007/s002679900155","usgsCitation":"Burkardt, N., Lamb, B.L., and Taylor, J.G., 1998, Desire to bargain and negotiation success: lessons about the need to negotiate from six hydropower disputes: Environmental Management, v. 22, no. 6, p. 877-886, https://doi.org/10.1007/s002679900155.","productDescription":"10 p.","startPage":"877","endPage":"886","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":325269,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"22","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5788b7b2e4b0d27deb386fc2","contributors":{"authors":[{"text":"Burkardt, Nina 0000-0002-9392-9251 burkardtn@usgs.gov","orcid":"https://orcid.org/0000-0002-9392-9251","contributorId":2781,"corporation":false,"usgs":true,"family":"Burkardt","given":"Nina","email":"burkardtn@usgs.gov","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":642525,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lamb, Berton Lee","contributorId":96784,"corporation":false,"usgs":true,"family":"Lamb","given":"Berton","email":"","middleInitial":"Lee","affiliations":[],"preferred":false,"id":642526,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Taylor, Jonathan G.","contributorId":37378,"corporation":false,"usgs":true,"family":"Taylor","given":"Jonathan","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":642527,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":1016023,"text":"1016023 - 1998 - Contaminants in ospreys from the Pacific Northwest: I. Trends and patterns in polychlorinated dibenzo-p-dioxins and -dibenzofurans in eggs and plasma","interactions":[],"lastModifiedDate":"2023-08-14T16:51:55.036132","indexId":"1016023","displayToPublicDate":"1998-11-01T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":887,"text":"Archives of Environmental Contamination and Toxicology","active":true,"publicationSubtype":{"id":10}},"title":"Contaminants in ospreys from the Pacific Northwest: I. Trends and patterns in polychlorinated dibenzo-p-dioxins and -dibenzofurans in eggs and plasma","docAbstract":"Osprey (Pandion haliaetus) eggs were collected from 1991 to 1997 at nests (n = 121) upstream and downstream of bleached kraft pulp mills and at reference sites in the Fraser and Columbia River drainage systems of British Columbia, Washington, and Oregon. Blood samples were collected from nestling ospreys during the 1992 breeding season on the Thompson River. Samples were analyzed for polychlorinated dibenzo-p-dioxins (PCDDs) and -dibenzofurans (PCDFs). Mean concentrations of 2,3,7,8-TCDD were significantly higher in eggs collected in 1991 at downstream compared to upstream nests near pulp mills at Kamloops and Castlegar, British Columbia. There were no significant temporal trends in 2,3,7,8-TCDD, -TCDF or other measured compounds at a sample of nests monitored between 1991 and 1994 downstream of the Castlegar pulp mill, despite changes in bleaching technology (CIO2 substitution). However, by 1997 concentrations of 2,3,7,8-TCDD and -TCDF were significantly lower than previous years in nests sampled downstream at both Castlegar and Kamloops. An unusual pattern of higher chlorinated PCDDs and PCDFs was found in many of the osprey eggs collected in this study, and considerable individual variation in the pattern existed among eggs from the same site. For example, eggs from four different nests at one study area (Quesnel) on the Fraser River had concentrations of 1,2,3,4,6,7,8-HpCDD ranging from <1 to 1,100 ng/kg and OCDD from <1 to 7,000 ng/kg wet weight. Higher mean concentrations of HpCDD and OCDD were found in eggs from the Thompson River, a tributary of the Fraser, compared to the Columbia River, and concentrations were generally higher at nests upstream of pulp mills. In plasma samples, 1,2,3,4,6,7,8-HpCDD and OCDD were the main compounds detected, with no significant differences measured between samples upstream versus downstream or earlier versus later in the breeding season. Use of chlorophenolic wood preservatives by lumber processors was considered the main source of higher chlorinated PCDD/Fs throughout the systems, based on patterns of trace PCDFs in eggs and significant correlations between egg concentrations of pentachlorophenol and both HpCDD (r = 0.891, p < 0.01) and OCDD (r = 0.870, p < 0.01).
","language":"English","publisher":"SpringerLink","doi":"10.1007/s002449900424","usgsCitation":"Elliott, J.E., Machmer, M.M., Henny, C.J., Wilson, L.K., and Norstrom, R.J., 1998, Contaminants in ospreys from the Pacific Northwest: I. Trends and patterns in polychlorinated dibenzo-p-dioxins and -dibenzofurans in eggs and plasma: Archives of Environmental Contamination and Toxicology, v. 35, no. 4, p. 620-631, https://doi.org/10.1007/s002449900424.","productDescription":"12 p.","startPage":"620","endPage":"631","numberOfPages":"12","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"links":[{"id":134039,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Canada, United States","state":"British Columbia, Oregon, Washington","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -123.98059083500954,\n 44.87429794853017\n ],\n [\n -118.99316234729099,\n 44.87429794853017\n ],\n [\n -118.99316234729099,\n 51.17318981373512\n ],\n [\n -126.04853558111421,\n 51.01796373260123\n ],\n [\n -123.98059083500954,\n 44.87429794853017\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"35","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4afde4b07f02db696e09","contributors":{"authors":[{"text":"Elliott, J. E.","contributorId":19914,"corporation":false,"usgs":true,"family":"Elliott","given":"J.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":323517,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Machmer, M. M.","contributorId":73558,"corporation":false,"usgs":false,"family":"Machmer","given":"M.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":323519,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Henny, Charles J. 0000-0001-7474-350X hennyc@usgs.gov","orcid":"https://orcid.org/0000-0001-7474-350X","contributorId":3461,"corporation":false,"usgs":true,"family":"Henny","given":"Charles","email":"hennyc@usgs.gov","middleInitial":"J.","affiliations":[{"id":289,"text":"Forest and Rangeland Ecosys Science Center","active":true,"usgs":true}],"preferred":true,"id":323516,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Wilson, L. K.","contributorId":99511,"corporation":false,"usgs":false,"family":"Wilson","given":"L.","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":323520,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Norstrom, R. J.","contributorId":69936,"corporation":false,"usgs":false,"family":"Norstrom","given":"R.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":323518,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70020530,"text":"70020530 - 1998 - Population models of burrowing mayfly recolonization in western Lake Erie","interactions":[],"lastModifiedDate":"2023-12-22T15:13:07.995504","indexId":"70020530","displayToPublicDate":"1998-11-01T00:00:00","publicationYear":"1998","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":"Population models of burrowing mayfly recolonization in western Lake Erie","docAbstract":"Burrowing mayflies, Hexagenia spp. (H. limbata and H. rigida), began recolonizing western Lake Erie during the 1990s. Survey data for mayfly nymph densities indicated that the population experienced exponential growth between 1991 and 1997. To predict the time to full recovery of the mayfly population, we fitted logistic models, ranging in carrying capacity from 600 to 2000 nymphs/m2, to these survey data. Based on the fitted logistic curves, we forecast that the mayfly population in western Lake Erie would achieve full recovery between years 1998 and 2000, depending on the carrying capacity of the western basin. Additionally, we estimated the mortality rate of nymphs in western Lake Erie during 1994 and then applied an age-based matrix model to the mayfly population. The results of the matrix population modeling corroborated the exponential growth model application in that both methods yielded an estimate of the population growth rate, r, in excess of 0.8 yr−1. This was the first evidence that mayfly populations are capable of recolonizing large aquatic ecosystems at rates comparable with those observed in much smaller lentic ecosystems. Our model predictions should prove valuable to managers of power plant facilities along the western basin in planning for mayfly emergences and to managers of the yellow perch (Perca flavescens) fishery in western Lake Erie.
","language":"English","publisher":"Ecological Society of America","doi":"10.1890/1051-0761(1998)008[1206:PMOBMR]2.0.CO;2","issn":"10510761","usgsCitation":"Madenjian, C.P., Schloesser, D.W., and Krieger, K.A., 1998, Population models of burrowing mayfly recolonization in western Lake Erie: Ecological Applications, v. 8, no. 4, p. 1206-1212, https://doi.org/10.1890/1051-0761(1998)008[1206:PMOBMR]2.0.CO;2.","productDescription":"7 p.","startPage":"1206","endPage":"1212","numberOfPages":"7","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":231492,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Michigan, Ohio, Ontario","otherGeospatial":"western Lake Erie","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -83.50881258786156,\n 41.69840847148828\n ],\n [\n -82.91570719618188,\n 41.44011595293637\n ],\n [\n -82.40227267801153,\n 41.373720804873955\n ],\n [\n -81.92424743695584,\n 41.50644324322849\n ],\n [\n -82.03047526830156,\n 42.26432383974006\n ],\n [\n -82.68554689493288,\n 42.0411910682424\n ],\n [\n -83.17242445526736,\n 42.11346715877417\n ],\n [\n -83.50881258786156,\n 41.69840847148828\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"8","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a7d81e4b0c8380cd79fb5","contributors":{"authors":[{"text":"Madenjian, Charles P. 0000-0002-0326-164X cmadenjian@usgs.gov","orcid":"https://orcid.org/0000-0002-0326-164X","contributorId":2200,"corporation":false,"usgs":true,"family":"Madenjian","given":"Charles","email":"cmadenjian@usgs.gov","middleInitial":"P.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":386565,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Schloesser, Don W.","contributorId":21485,"corporation":false,"usgs":true,"family":"Schloesser","given":"Don","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":386564,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Krieger, Kenneth A.","contributorId":12411,"corporation":false,"usgs":true,"family":"Krieger","given":"Kenneth","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":386566,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70020486,"text":"70020486 - 1998 - Cenozoic global sea level, sequences, and the New Jersey transect: Results from coastal plain and continental slope drilling","interactions":[],"lastModifiedDate":"2025-07-17T16:46:56.703699","indexId":"70020486","displayToPublicDate":"1998-11-01T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3283,"text":"Reviews of Geophysics","active":true,"publicationSubtype":{"id":10}},"title":"Cenozoic global sea level, sequences, and the New Jersey transect: Results from coastal plain and continental slope drilling","docAbstract":"The New Jersey Sea Level Transect was designed to evaluate the relationships among global sea level (eustatic) change, unconformity-bounded sequences, and variations in subsidence, sediment supply, and climate on a passive continental margin. By sampling and dating Cenozoic strata from coastal plain and continental slope locations, we show that sequence boundaries correlate (within ±0.5 myr) regionally (onshore-offshore) and interregionally (New Jersey-Alabama-Bahamas), implicating a global cause. Sequence boundaries correlate with δ18O increases for at least the past 42 myr, consistent with an ice volume (glacioeustatic) control, although a causal relationship is not required because of uncertainties in ages and correlations. Evidence for a causal connection is provided by preliminary Miocene data from slope Site 904 that directly link δ18O increases with sequence boundaries. We conclude that variation in the size of ice sheets has been a primary control on the formation of sequence boundaries since ∼42 Ma. We speculate that prior to this, the growth and decay of small ice sheets caused small-amplitude sea level changes (<20 m) in this supposedly ice-free world because Eocene sequence boundaries also appear to correlate with minor δ18O increases. Subsidence estimates (backstripping) indicate amplitudes of short-term (million-year scale) lowerings that are consistent with estimates derived from δ18O studies (25–50 m in the Oligocene-middle Miocene and 10–20 m in the Eocene) and a long-term lowering of 150–200 m over the past 65 myr, consistent with estimates derived from volume changes on mid-ocean ridges. Although our results are consistent with the general number and timing of Paleocene to middle Miocene sequences published by workers at Exxon Production Research Company, our estimates of sea level amplitudes are substantially lower than theirs. Lithofacies patterns within sequences follow repetitive, predictable patterns: (1) coastal plain sequences consist of basal transgressive sands overlain by regressive highstand silts and quartz sands; and (2) although slope lithofacies variations are subdued, reworked sediments constitute lowstand deposits, causing the strongest, most extensive seismic reflections. Despite a primary eustatic control on sequence boundaries, New Jersey sequences were also influenced by changes in tectonics, sediment supply, and climate. During the early to middle Eocene, low siliciclastic and high pelagic input associated with warm climates resulted in widespread carbonate deposition and thin sequences. Late middle Eocene and earliest Oligocene cooling events curtailed carbonate deposition in the coastal plain and slope, respectively, resulting in a switch to siliciclastic sedimentation. In onshore areas, Oligocene sequences are thin owing to low siliciclastic and pelagic input, and their distribution is patchy, reflecting migration or progradation of depocenters; in contrast, Miocene onshore sequences are thicker, reflecting increased sediment supply, and they are more complete downdip owing to simple tectonics. We conclude that the New Jersey margin provides a natural laboratory for unraveling complex interactions of eustasy, tectonics, changes in sediment supply, and climate change.
","language":"English","publisher":"American Geophysical Union","doi":"10.1029/98RG01624","issn":"87551209","usgsCitation":"Miller, K., Mountain, G.S., Browning, J., Kominz, M., Sugarman, P.J., Christie-Blick, N., Katz, M., and Wright, J., 1998, Cenozoic global sea level, sequences, and the New Jersey transect: Results from coastal plain and continental slope drilling: Reviews of Geophysics, v. 36, no. 4, p. 569-601, https://doi.org/10.1029/98RG01624.","productDescription":"33 p.","startPage":"569","endPage":"601","costCenters":[],"links":[{"id":492441,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/98rg01624","text":"Publisher Index Page"},{"id":231372,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"New Jersey","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -74.48143592166831,\n 39.39414802377945\n ],\n [\n -74.48143592166831,\n 39.345670613594876\n ],\n [\n -74.39859435246547,\n 39.345670613594876\n ],\n [\n -74.39859435246547,\n 39.39414802377945\n ],\n [\n -74.48143592166831,\n 39.39414802377945\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"36","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059f3e4e4b0c8380cd4ba02","contributors":{"authors":[{"text":"Miller, K.G.","contributorId":18094,"corporation":false,"usgs":true,"family":"Miller","given":"K.G.","email":"","affiliations":[],"preferred":false,"id":386406,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Mountain, Gregory S.","contributorId":29154,"corporation":false,"usgs":true,"family":"Mountain","given":"Gregory","email":"","middleInitial":"S.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":386408,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Browning, J.V.","contributorId":18889,"corporation":false,"usgs":true,"family":"Browning","given":"J.V.","email":"","affiliations":[],"preferred":false,"id":386407,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Kominz, M.","contributorId":80857,"corporation":false,"usgs":true,"family":"Kominz","given":"M.","affiliations":[],"preferred":false,"id":386411,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Sugarman, P. J.","contributorId":81154,"corporation":false,"usgs":true,"family":"Sugarman","given":"P.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":386412,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Christie-Blick, N.","contributorId":50660,"corporation":false,"usgs":true,"family":"Christie-Blick","given":"N.","email":"","affiliations":[],"preferred":false,"id":386410,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Katz, M.E.","contributorId":13776,"corporation":false,"usgs":true,"family":"Katz","given":"M.E.","email":"","affiliations":[],"preferred":false,"id":386405,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Wright, J.D.","contributorId":34676,"corporation":false,"usgs":true,"family":"Wright","given":"J.D.","email":"","affiliations":[],"preferred":false,"id":386409,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}} ,{"id":70020515,"text":"70020515 - 1998 - Estimating the effectiveness of further sampling inspecies inventories","interactions":[],"lastModifiedDate":"2023-12-19T19:42:27.275125","indexId":"70020515","displayToPublicDate":"1998-11-01T00:00:00","publicationYear":"1998","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":"Estimating the effectiveness of further sampling inspecies inventories","docAbstract":"Estimators of the number of additional species expected in the next Δn samples offer a potentially important tool for improving cost-effectiveness of species inventories but are largely untested. We used Monte Carlo methods to compare 11 such estimators, across a range of community structures and sampling regimes, and validated our results, where possible, using empirical data from vascular plant and beetle inventories from Glacier National Park, Montana, USA. We found that B. Efron and R. Thisted’s 1976 negative binomial estimator was most robust to differences in community structure and that it was among the most accurate estimators when sampling was from model communities with structures resembling the large, heterogeneous communities that are the likely targets of major inventory efforts. Other estimators may be preferred under specific conditions, however. For example, when sampling was from model communities with highly even species-abundance distributions, estimates based on the Michaelis-Menten model were most accurate; when sampling was from moderately even model communities with S = 10 species or communities with highly uneven species-abundance distributions, estimates based on Gleason’s (1922) species–area model were most accurate. We suggest that use of such methods in species inventories can help improve cost-effectiveness by providing an objective basis for redirecting sampling to more-productive sites, methods, or time periods as the expectation of detecting additional species becomes unacceptably low.
","language":"English","publisher":"Ecological Society of America","doi":"10.1890/1051-0761(1998)008[1239:ETEOFS]2.0.CO;2","usgsCitation":"Keating, K., Quinn, J.F., Ivie, M., and Ivie, L., 1998, Estimating the effectiveness of further sampling inspecies inventories: Ecological Applications, v. 8, no. 4, p. 1239-1249, https://doi.org/10.1890/1051-0761(1998)008[1239:ETEOFS]2.0.CO;2.","productDescription":"11 p.","startPage":"1239","endPage":"1249","numberOfPages":"11","costCenters":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"links":[{"id":231223,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"8","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0b59e4b0c8380cd526ac","contributors":{"authors":[{"text":"Keating, Kim A.","contributorId":20271,"corporation":false,"usgs":true,"family":"Keating","given":"Kim A.","affiliations":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"preferred":false,"id":386507,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Quinn, James F.","contributorId":101379,"corporation":false,"usgs":false,"family":"Quinn","given":"James","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":386509,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ivie, M.A.","contributorId":43307,"corporation":false,"usgs":true,"family":"Ivie","given":"M.A.","email":"","affiliations":[],"preferred":false,"id":386506,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Ivie, L.L.","contributorId":54939,"corporation":false,"usgs":true,"family":"Ivie","given":"L.L.","email":"","affiliations":[],"preferred":false,"id":386508,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ]}