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Science Quality and Integrity
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 almost 1,000 books 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: 971
Behavioral profiles of the captive juvenile whooping crane (Grus americana) as an indicator of reintroduction behavior and survival
Predation by bobcats (Lynx rufus) has been the greatest cause of mortality of whooping cranes (Grus americana) in the reintroduced population in Florida. This study investigated whether the behavior of juvenile cranes during captive rearing and shortly after release can be used to predict their chances of survival once released in the wild. This study also examined differences in behavior based
Authors
M.D. Kreger
Birds of Oregon: A general reference
Birds of Oregon is the first complete reference work on Oregon's birds to be published since Gabrielson and Jewett's landmark book in 1940. This comprehensive volume includes individual accounts of the approximately 500 species now known to occur in Oregon (about 150 more than in 1940), including detailed accounts of the 353 species that regularly occur and briefer accounts of another 133 species
Camping impact management on the Appalachian National Scenic Trail
This report addresses the management of overnight use and associated impacts along the Appalachian National Scenic Trail (A.T.). This effort was initiated in response to agency and Appalachian Trail Conference (ATC) management concerns regarding the resource and social impacts of increasing overnight visitation, particularly in high use areas. Report findings and recommendations are primarily ba
Authors
J. L. Marion
Comparison of white-tailed kite food web dynamics among various habitats in California using stable isotope analysis
The White-tailed Kite (Elanus leucurus) was once a common raptor species in the southern United States. However, by the 1930s, the species was considered on the verge of extinction until the 1940s, when a trend towards recovery was apparent. These dramatic fluctuations may be related to changes in rodent prey base due to the conversion of native wetlands to agriculture. To investigate the effects
Authors
W.M. Iko, C.L. Kester, C.R. Bern, R.C. Stendell, R. O. Rye
Creation of the Teton landscape: A geologic chronicle of Jackson Hole and The Teton Range
Geology is the science of the Earth-the study of the forces, processes, and past life that not only shape our land but influence our daily lives and our Nation's welfare. This booklet, prepared by two members of the U.S. Geological Survey, discusses how geologic phenomena are responsible for the magnificent scenery of the Teton region
Authors
John Calvin Reed, David Love, Kenneth Pierce
Handbook of ecotoxicology, second edition
Handbook of Ecotoxicology, Second Edition focuses on toxic substances and how they affect ecosystems worldwide. It presents methods for quantifying and measuring ecotoxicological effects in the field and in the lab, as well as methods for estimating, predicting, and modeling in ecotoxicology studies. Completely revised and updated with 18 new chapters, this second edition includes contributions fr
Time series analysis and the analysis of aquatic and riparian ecosystems
Time series analysis of physical instream habitat and the riparian zone is not done as frequently as would be beneficial in understanding the fisheries aspects of the aquatic ecosystem. This paper presents two case studies have how time series analysis may be accomplished. Time series analysis is the analysis of the variation of the physical habitat or the hydro-period in the riparian zone (in man
Authors
R.T. Milhous
Toxicology of marine mammals
No abstract available.
Wolves: Behavior, ecology, and conservation
Wolves are some of the world's most charismatic and controversial animals, capturing the imaginations of their friends and foes alike. Highly intelligent and adaptable, they hunt and play together in close-knit packs, sometimes roaming over hundreds of square miles in search of food. Once teetering on the brink of extinction across much of the United States and Europe, wolves have made a tremendou
Coal waste impoundments: Risks, responses and alternatives
No abstract available.
Authors
F. M. Orr, Gary A. Davis, Barbara A. Filas, C. David Henry, Norbert R. Morgenstern, David A. Newman, Raja V. Ramani, Robert L. Schuster, Madan M. Singh, Don W. Steeples, Clinton L. Strachan, Richard J. Sweigard, Jack Tisdale, David R. Wunsch
Submarine alkalic through tholeiitic shield-stage development of Kïlauea volcano, Hawai’i
The submarine Hilina region exposes a succession of magma compositions spanning the juvenile "Lō‘ihi" through tholeiitic shield stages of Kïlauea volcano. Early products, preserved as glass grains and clasts in volcaniclastic rocks of the 3000 m deep Hilina bench, include nephelinite, basanite, phonotephrite, hawaiite, alkali basalt, transitional basalt, and rare alkali-poor Mauna Loa-like tholeii
Authors
Thomas W. Sisson, Peter W. Lipman, J. Naka