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Full-Text Articles in Life Sciences
Blue Crab Mortalities Associated With Pesticides, Herbicides, Temperature, Salinity, And Dissolved Oxygen, Willard A. Van Engel
Blue Crab Mortalities Associated With Pesticides, Herbicides, Temperature, Salinity, And Dissolved Oxygen, Willard A. Van Engel
VIMS Books and Book Chapters
Commercial fisheries landings of the blue crab in the Chesapeake Bay have fluctuated widely since the late 1920s (Figure I). Records of annual landings prior to 1929 are sparse and permit little more than a guess of trends, although a discontinuous series of catch records from 1907 to 1926 from individual watermen, on file at the Virginia Institute of Marine Science (VIMS), may provide sufficient baseline data for interpretations or estimates of trends in the early period.
Distribution And Abundance Of Submerged Aquatic Vegetation In Chesapeake Bay, Robert J. Orth, Kenneth A. Moore
Distribution And Abundance Of Submerged Aquatic Vegetation In Chesapeake Bay, Robert J. Orth, Kenneth A. Moore
VIMS Books and Book Chapters
The Chesapeake Bay, with its extensive littoral zone and broad salinity regime of Oto 25 ppt, supports many different species of submerged aquatic vegetation (SAV) (Anderson 1972, Stevenson and Confer 1978, Orth et al. 1979). Approximately ten species of submerged vascular plants are abundant in the Bay, with another ten species occurring less frequently. In many areas, more than one species is found in a particular bed of SAV because of the similarity in the physiological tolerances of some species. Between regions of the Bay, salinity appears to be the most important factor in controlling the species composition of an …
Toxic Substances, R. Bieri, O. Bricker, R. Byrne, R. J. Diaz, Et Al
Toxic Substances, R. Bieri, O. Bricker, R. Byrne, R. J. Diaz, Et Al
VIMS Books and Book Chapters
This part of the CBP Synthesis Report summarizes and integrates the research findings and reconnnendations of 13 projects of the Chesapeake Bay Toxic Substances Program performed between July 1978 and October 1981. The following sections describe research on potentially toxic substances, or toxicants, in water-sediments and selected biota. The subjects considered include a brief review of metals, their sources, distribution and behavior, and then a review of sources and distribution of organic chemicals. Finally, information concerning the significance of toxicants in the- Bay and their pattern of enrichment is provided. Most information synthesized in this report can be traced to …
Light And Submerged Macrophyte Communities In Chesapeake Bay: A Scientific Summary, Richard L. Wetzel, Robin F. Van Tine, Polly A. Penhale
Light And Submerged Macrophyte Communities In Chesapeake Bay: A Scientific Summary, Richard L. Wetzel, Robin F. Van Tine, Polly A. Penhale
VIMS Books and Book Chapters
The initial focus of submerged aquatic vegetation (SAV) research in the U.S. Environmental Protection Agency (EPA), Chesapeake Bay Program (CBP) was evaluation of the structural and functional ecology of these communities. In the upper Bay, Myriophyllum spicatum and Potamogeton perfoliatus are the dominant species; the dominant species in the lower Bay are Zostera marina and Ruppia maritima. Studies centered on various aspects of productivity (both primary and secondary), trophic structure, and resource utilization by both ecologically and economically important species. Much of the initial research was descriptively oriented because of a general lack of information on Chesapeake Bay submerged plant …