Results
126 - 141 of 141 Items << < 1 2 3 4 5 6
126 - 141 of 141 Items << < 1 2 3 4 5 6
|
Microfaunal communities were studied in littoral (inshore) and limnetic (offshore) areas of the lower basin in Lake Mead to compare species composition and abundance between the two zones. Planktonic forms (zooplankton) dominated inshore and...
1987-05-01
|
|
Temporal and spatial patterns of age 0 threadfin shad (Dorosoma petenense) abundance and growth, in the Overton Arm of Lake Mead, were examined to evaluate the effects of resource availability on the young fish. This was part of a larger, game...
1989-06-01
|
|
Echograms have been used extensively to locate and estimate the relative abundance of marine fish stocks (Cushing 1973). In freshwater, echograms have been used to describe vertical (Netsch et al. 1971; Eggers 1978; O'Brien et al. 1984; Matthews...
1989-01-01
|
|
Water resources managers and conservation biologists need reliable, quantitative, and directly comparable methods for assessing the biological integrity of the world's aquatic ecosystems. Large-scale assessments are constrained by the lack of...
2006-01-01
|
|
It is widely recognized that suspended and dissolved solids in lakes, rivers, streams, and reservoirs affect water quality. In this report the research needs appropriate to setting freshwater quality criteria or standards for suspeneded solids...
1977-04-01
|
|
Lake Mead was impounded in 1935 by the construction of Hoover Dam. The Colorado River was unregulated prior to then and therefore was subjected to extreme variations in flows and suspended sediment loads. Hoover Dam stabilized flows and reduced...
1983-01-01
|
|
Records
documenting the administration and research projects of the Applied Fisheries
Laboratory, the Laboratory of Radiation Biology, and the Laboratory of
Radiation Ecology at the University of Washington.; The Applied Fisheries...
|
|
ill.; Typescript (photocopy); Thesis (M.S.)--Oregon State University, 1988; Includes bibliographical references (leaves 144-155)
1988-05-05
2009-07-10 2009-11-02 |
|
The Bond Papers document the fisheries
research conducted by OSU Fisheries and Wildlife Professor Carl E.
Bond.; Biographical Note:; Alumnus and ichthyologist Carl Bond received B.S. and M.S. degrees from
Oregon State College in 1947...
|
|
Cover is an important component of aquatic habitat and fisheries management. Fisheries biologists often try to improve habitats through the addition of natural and artificial material to improve cover diversity and complexity. Habitat-improvement...
1994-01-01
|
|
Studies conducted by the University of Nevada-Las Vegas (UNLV), the Nevada Department of Wildlife (NDOW), the Arizona Game and Fish Department (AGFD), The Nevada Division of Environmental Protection (NDEP), and the United States Bureau of...
1987-11-01
|
|
This manual contains detailed descriptions of biological, chemical and physical sampling and analytical procedures used at the Lake Mead Limnological Research Center. The manual was prepared in response to requests made by numerous individuals...
1980-12-01
|
|
Analysis of historical nutrient data for Lake Mead indicates that the fertility of the reservoir has decreased which may be the cause for a corresponding decline in the largemouth bass population. However, it appears that fertility can be...
1979-01-01
|
|
This report fulfills the request of the Colorado River Basin Project, Denver, Colorado, to determine the effects of municipal and industrial wastes on the aquatic life in selected waters of the Colorado River Basin. These studies were conducted...
1968-10-01
|
