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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: 6063

Graptemys pulchra

No abstract available at this time
Authors
J.E. Lovich
By
Ecosystems Mission Area, Western Ecological Research Center (WERC)

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 Novitzki (197
Authors
R. G. Brown, J. R. Stark, G. L. Patterson
By
Water Resources Mission Area, Upper Midwest Environmental Sciences Center, Upper Midwest Water Science Center

Habitat loss and its role in the decline of the Puerto Rican parrot (Amazona vittata)

No abstract available.
Authors
J. W. Wiley
By
Ecosystems Mission Area, Eastern Ecological Science Center

Habitat use by migrating sharp-shinned hawks at Cape May Point, New Jersey, U.S.A

No abstract available.
Authors
A.M.A. Holthuijzen, L. Oosterhuis, M.R. Fuller
By
Ecosystems Mission Area, Eastern Ecological Science Center

Hawaii's native ecosystems: Importance, conflicts, and suggestions for the future

No abstract available.
Authors
C.P. Stone, J. M. Scott
By
Ecosystems Mission Area, Eastern Ecological Science Center

Hawaiian finches

No abstract available.
Authors
C.B. Kepler
By
Ecosystems Mission Area, Eastern Ecological Science Center

Hawaiian honeycreeper

No abstract available.
Authors
C.B. Kepler
By
Ecosystems Mission Area, Eastern Ecological Science Center

Magnitude and dynamics of sediment stored in Redwood Creek California

No abstract available at this time
Authors
Mary Ann Madej
By
Ecosystems Mission Area, Western Ecological Research Center (WERC)

Managing habitats for complex raptor guilds in eastern forests

No abstract available.
Authors
K. Titus, M.R. Fuller, M. Root, P. DeSimone, J. Britt, J. A. Mosher
By
Ecosystems Mission Area, Eastern Ecological Science Center

Maximum likelihood methods for investigating reporting rates of rings on hunter-shot birds

It is well known that hunters do not report 100% of the rings that they find on shot birds. Reward studies can be used to estimate what this reporting rate is, by comparison of recoveries of rings offering a monetary reward, to ordinary rings. A reward study of American Black Ducks (Anas rubripes) is used to illustrate the design, and to motivate the development of statistical models for estimatio
Authors
M.J. Conroy
By
Ecosystems Mission Area, Eastern Ecological Science Center

Measurement of activity--An example of microcomputers in animal collars for data collection and retrieval

No abstract available.
Authors
R.C. Chapman, L. D. Mech, M.E. Hamerly
By
Ecosystems Mission Area, Eastern Ecological Science Center

Multiple-clutching of wild California condors (Gymnogyps californianus)

No abstract available.
Authors
N.F.R. Snyder
By
Ecosystems Mission Area, Eastern Ecological Science Center