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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: 975
Fire and demography Fire and demography
No abstract available.
Authors
Jon E. Keeley, Paul H. Zedler, Charles A. Zammit, Thomas J. Stohlgren
Wetland creation and restoration efforts associated with mitigation banks Wetland creation and restoration efforts associated with mitigation banks
No abstract available.
Authors
C. Short
Hydrological, morphometrical, and biological characteristics of the connecting rivers of the International Great Lakes: a review Hydrological, morphometrical, and biological characteristics of the connecting rivers of the International Great Lakes: a review
The connecting channels of the Great Lakes are large rivers (1, 200-9, 900 m3 • s-1) with limited tributary drainage systems and relatively stable hydrology (about 2:1 ration of maximum to minimum flow). The rivers, from headwaters to outlet, are the St. Marys, St. Clair, Detroit, Niagara, and St. Lawrence. They share several characteristics with certain other large rivers: the fish...
Authors
Clayton J. Edwards, Patrick L. Hudson, Walter G. Duffy, Stephen J. Nepszy, Clarence D. McNabb, Robert C. Haas, Charles R. Liston, Bruce Manny, Wolf-Dieter N. Busch
The consequences of protecting problem grizzly bears The consequences of protecting problem grizzly bears
No abstract available.
Authors
M. Meagher, S. Fowler
Hydrology and hydraulics applied to fishery management in large rivers Hydrology and hydraulics applied to fishery management in large rivers
No abstract available.
Authors
C.B. Stalnaker, Robert T. Milhous, K.D. Bovee
Aquaculture management Aquaculture management
No abstract available at this time
Authors
J. W. Meade
Habitat area requirements of breeding forest birds of the middle Atlantic states Habitat area requirements of breeding forest birds of the middle Atlantic states
Conservation of birds requires an understanding of their nesting requirements, including area as well as structural characteristics of the habitat. Previous studies have shown that many neotropical migrant bird species seem to depend on extensive forested areas, but the specific area requirements of individual species have not been clarified sufficiently to aid in design and management...
Authors
Chandler S. Robbins, Deanna K. Dawson, Barbara A. Dowell
Habitat suitability criteria for assessment of instream flow needs of fish Habitat suitability criteria for assessment of instream flow needs of fish
In the western portion of the United States, competition for stream water gas often been fierce. Water resource management agencies in the southeastern United States, where water has been relatively abundant, are not being faced with similar competing demands for water, and with increasing pressures to develop and defend recommendations for protecting fish and invertebrates in streams.
Authors
Johnie H. Crance
Wetland restoration and creation in the west: what do we really know? Wetland restoration and creation in the west: what do we really know?
No abstract available.
Authors
Lee S. Ischinger, K. Schneller-McDonald
A prototype expert system for moist soil management A prototype expert system for moist soil management
No abstract available.
Authors
Gregor T. Auble, David B. Hamilton, J. E. Roelle, J. Clayton, L.H. Fredrickson
Use of the instream flow incremental methodology to evaluate influences of microhabitat variability on trout populations in four Colorado Streams Use of the instream flow incremental methodology to evaluate influences of microhabitat variability on trout populations in four Colorado Streams
No abstract available.
Authors
Ken D. Bovee
Problems with surface water models from a user's perspective Problems with surface water models from a user's perspective
No abstract available.
Authors
K. Thornton, Clair B. Stalnaker, K. Baun