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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 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: 975
Observations on the feeding behavior of desert tortoises (Gopherus agassizii) at the Desert Tortoise Research Natural Area, Kern County, California Observations on the feeding behavior of desert tortoises (Gopherus agassizii) at the Desert Tortoise Research Natural Area, Kern County, California
No abstract available.
Authors
W. B. Jennings, C. L. Fontenot
Diet selection and habitat use by the desert tortoise in the northeast Mojave Desert Diet selection and habitat use by the desert tortoise in the northeast Mojave Desert
No abstract available.
Authors
Todd C. Esque
The raven management program of the Bureau of Land Management: status as of 1992 The raven management program of the Bureau of Land Management: status as of 1992
No abstract available.
Authors
William I. Boarman
Measuring the effectiveness of a tortoise-proof fence and culverts: status report from first field season Measuring the effectiveness of a tortoise-proof fence and culverts: status report from first field season
No abstract available.
Authors
W. I. Boarman, M. Sazaki, K. H. Berry, G. O. Goodlett, W. B. Jennings, A. P. Woodman
Physical habitat simulations: burnt cabin section of Jacks Fork River, Missouri Physical habitat simulations: burnt cabin section of Jacks Fork River, Missouri
No abstract available.
Authors
N. J. Hoefs, T. P. Boyle
Amphibian and reptile species of special concern in California Amphibian and reptile species of special concern in California
No abstract available at this time
Authors
M.R. Jennings, M.P. Hayes
An assessment of trail conditions in Great Smoky Mountains National Park: National Park Service-Southeast Region, final research report An assessment of trail conditions in Great Smoky Mountains National Park: National Park Service-Southeast Region, final research report
No abstract available.
Authors
J. L. Marion
Biological Diversity: Problems and Challenges Biological Diversity: Problems and Challenges
No abstract available at this time
Authors
S.K. Majumdar, F. Brenner, J.E. Lovich, J. Schalles
Fourth California Islands Symposium: Update on the Status of Resources, Fourth California Islands Symposium: Update on the Status of Resources,
No abstract available at this time
Authors
W. L. Halvorson, G.L. Maender
Latin American research libraries in natural history: a survey Latin American research libraries in natural history: a survey
No abstract available.
Authors
N. Woodman, M.A. Jenkinson, M.S. Foster
Measuring and monitoring biological diversity: Standard methods for amphibians Measuring and monitoring biological diversity: Standard methods for amphibians
Measuring and Monitoring Biological Diversity is the first book to provide comprehensive coverage of standard methods for biodiversity sampling of amphibians, with information on analyzing and using data that will interest biologists in general. In this manual, nearly fifty herpetologists recommend ten standard sampling procedures for measuring and monitoring amphibian and many other...