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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.

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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: 976

Development of assessment methods for hydrologic impacts on western riparian ecosystems Development of assessment methods for hydrologic impacts on western riparian ecosystems

No abstract available.
Authors
Lee S. Ischinger

Status of Sea Otter (Enhydra lutris) populations Status of Sea Otter (Enhydra lutris) populations

No abstract available.
Authors
J. A. Estes

Survival and relative abundance Survival and relative abundance

No abstract available.
Authors
A. L. Gardner, C.O. Handley, Don E. Wilson

Evaluation of airborne videography for enumerating Pacific Walruses (Odobenus rosmarus divergens) on sea-ice haulouts Evaluation of airborne videography for enumerating Pacific Walruses (Odobenus rosmarus divergens) on sea-ice haulouts

No abstract available.

Remote sensing snow leopard habitat in the trans-Himalaya of India using spatial models and satellite imagery Remote sensing snow leopard habitat in the trans-Himalaya of India using spatial models and satellite imagery

No abstract available.
Authors
S.N. Prasad, Raghunandan S. Chundawat, D.O. Hunter, H. Panwar, G.S. Rawat

Response of plains cottonwood seeds and seedlings to simulated hydrologic regimes of the riparian zone Response of plains cottonwood seeds and seedlings to simulated hydrologic regimes of the riparian zone

No abstract available.
Authors
C.A. Segelquist

Using geographic information systems to derive species range maps for the identification and preservation of biological diversity Using geographic information systems to derive species range maps for the identification and preservation of biological diversity

No abstract available.
Authors
Frank D’Erchia

Aquatic and wetland plants of Missouri Aquatic and wetland plants of Missouri

No abstract available.
Authors
D.L. Combs, R.D. Drobney

Ecological characteristics of fish assemblages in two seasonally inundated palustrine wetlands Ecological characteristics of fish assemblages in two seasonally inundated palustrine wetlands

No abstract available.
Authors
J.G. Knight, M.B. Bain, K.J. Scheidegger

Colonial Waterbird Information Service Colonial Waterbird Information Service

No abstract available.
Authors
L. A. Hanners, L. K. Kinkel, R. B. Clapp
By
Ecosystems Mission Area, Eastern Ecological Science Center

Introductory remarks: Disease ecology and the conservation of avian species Introductory remarks: Disease ecology and the conservation of avian species

No abstract available.
Authors
Milton Friend
By
Ecosystems Mission Area, National Wildlife Health Center

The Way of the Wolf The Way of the Wolf

No abstract available.
Authors
L.D. Mech
By
Ecosystems Mission Area, Eastern Ecological Science Center
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