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The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
Browse more than 5,500 book chapters authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.
Filter Total Items: 6158
Distribution and abundance of Hawai'i's endemic land birds: Conservation and management strategies Distribution and abundance of Hawai'i's endemic land birds: Conservation and management strategies
No abstract available.
Authors
J. M. Scott, C. B. Kepler, J.L. Sincock
Distribution and abundance of Hawaiian native birds: A status report Distribution and abundance of Hawaiian native birds: A status report
No abstract available.
Authors
J. M. Scott, C. B. Kepler
Eggshell characteristics of recent California condors (Gymnogyps californianus) Eggshell characteristics of recent California condors (Gymnogyps californianus)
No abstract available.
Authors
N.F.R. Snyder, L.F. Kiff, David B. Peakall
El programa de investigaciones ornitologicas de Patuxent (USA) El programa de investigaciones ornitologicas de Patuxent (USA)
No abstract available.
Authors
J. W. Wiley
Fish immunology and fish health Fish immunology and fish health
No abstract available at this time
Authors
W. B. van Muiswinkel, D. P. Anderson, C.H.J. Lamers, E. Egberts, J. J. A. van Loon, J.P. Ijssel
Foraminiferal, lithic, and isotopic changes across four major unconformities at Deep Sea Drilling Project Site 548, Goban Spur Foraminiferal, lithic, and isotopic changes across four major unconformities at Deep Sea Drilling Project Site 548, Goban Spur
Sediment samples taken at close intervals across four major unconformities (middle Miocene/upper Miocene, lower Oligocene/upper Oligocene, lower Eocene/upper Eocene, lower Paleocene/upper Paleocene) at DSDP-IPOD Site 548, Goban Spur, reveal that coeval biostratigraphic gaps, sediment discontinuities, and seismic unconformities coincide with postulated low stands of sea level...
Authors
C. Wylie Poag, Leslie A. Reynolds, James M. Mazzullo, Loyd D. Keigwin
Genetics, minimum population size and the island reserve Genetics, minimum population size and the island reserve
No abstract available at this time
Authors
C. Schonewald-Cox
Ground-water and surface-water interactions in Minnesota and Wisconsin wetlands Ground-water and surface-water interactions in Minnesota and Wisconsin wetlands
The interaction between ground water and surface water in wetlands is complex and depends on the hydrologic setting of the particular wetland. Hydrologic characteristics have been used in Wisconsin to classify wetlands into four categories; surface-waterdepression wetlands, surface-water-slope wetlands, ground-waterdepression wetlands, and ground-water-slope wetlands, as described by...
Authors
R. G. Brown, J. R. Stark, G. L. Patterson