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Wetlands Board Bulletin Vol. Iv, No. 1, Virginia Institute Of Marine Science
Wetlands Board Bulletin Vol. Iv, No. 1, Virginia Institute Of Marine Science
Virginia Wetlands Reports
- National Wetlands Policy and Goals
- Recommended Wetland Compensation/Restoration Checklist.
- Portsmouth/Profiles of Wetlands Board Members. Contractors and the Wetlands Board. Bernard M. Farmer, Jr.
Kepone And The James River, Robert J. Huggett
Kepone And The James River, Robert J. Huggett
VIMS Books and Book Chapters
The James River in Virginia was contaminated by the pesticide kepone when the material entered the river as early as 1968 and continued until its discovery in 1975. The river became so contaminated that commercial fisheries were closed. In 1988, 13 years after closure, all fishing restrictions were lifted. The contaminated sediments have been diluted and covered enough by uncontaminated material that the kepone flux back into the water column has diminished. Kepone concentrations in organisms inhabitating the river are finally below the U.S. Environmental Protection Agency and Food and Drug Administration action levels. Biological, chemical, physical and geological aspects …
The Response Of Estuarine Circulation To Local Wind Events, K. P. Kiley, C. S. Welch
The Response Of Estuarine Circulation To Local Wind Events, K. P. Kiley, C. S. Welch
VIMS Books and Book Chapters
An analysis of non-tidal estuarine circulation and local wind events was conducted employing wind and current records taken along the York River. Three distinct response conditions of non-tidal circulation to wind were observed. These conditions exhibited significant temporal and spatial variability. The first was typified by a positive two layer flow response to wind that was significant in the middle section of the York during the first six days of the study. The second exhibited a positive one layer flow response to wind that was significant in the upper section of the York during the last three days of the …
Interaction Between Circulation Of The Estuary Of The James River And Transport Of Oyster Larvae, Evon P. Ruzecki, William J. Hargis Jr.
Interaction Between Circulation Of The Estuary Of The James River And Transport Of Oyster Larvae, Evon P. Ruzecki, William J. Hargis Jr.
VIMS Books and Book Chapters
Hydraulic model dye test results are examined to provide estimates of nontidal horizontal circulation and movement/retention of oyster larvae in the James River Estuary. Test conditions maintained a constant mean tide and average summer low freshwater discharge. It was assumed that movement of dye in the model would approximate movement of the planktonic (larval) stages of oysters (Crassostroa virginica) in the prototype. Test results were used to rank six dye release points (candidate brood stock locations) with respect to relative quantities of dye retained in areas of the model representing commercially important seed oyster beds during the period 20-40 tidal …