Life Sciences Commons^™

Development Of An Expert System Based On A Tidal Prism Water Quality Model For Small Coastal Basins In Virginia, Albert Y. Kuo, Sung-Chan Kim, Kyeong Park, M. Dale Phillips

Reports

No abstract provided.

Evaluation Of Fixed Gear For The Capture Of Summer Flounder In Coastal Waters Of Virginia, Robert A. Fisher, David Rudders

Reports

No abstract provided.

Fish And Fisheries Of The Seaside Of The Eastern Shore Of Virginia, John A. Musick, John J. Norcross, David Hata

Reports

No abstract provided.

Transplanting Broodstock Oysters, Crassostrea Virginica, Onto Reconstructed Oyster Reefs To Increase Spat Recruitment In The Piankatank River, Dawn Chentil Sherwood

Master's Theses

Four oyster reefs were recreated from oyster shells to historical proportions in the Piankatank River from 1993-1995. In December 1997, two of the reconstructed reefs were supplemented with large broodstock oysters from Tangier and Pocomoke Sounds. Since total quantity as well as density ofbroodstock were believed to be limiting factors for recruitment in this river, adding stock was expected to raise spat recruitment. Methods included dive surveys on the reefs, and dredge and patent tong surveys on the natural oyster bars. The recruitment of spat to both reefs and bars was significantly higher in 1998 (p<0.001) than in the previous four years and a positive interaction (p<0.005) was seen between the reefs and the year 1998. Based on these dat~ stock enhancement in the Piankatank River successfully improved recruitment and suggest oyster restoration may be facilitated in other areas of the Chesapeake Bay by strategic enhancement of spawning stocks.

Conservation Status Of The Southern Appalachian Herpetofauna, Joseph C. Mitchell, Thomas K. Pauley, David I. Withers, Steven M. Roble, Brian T. Miller, Alvin L. Braswell, Paul V. Cupp Jr., Christopher S. Hobson

Virginia Journal of Science

Seventy one species of amphibians (55 salamanders, 16 anurans) and 46 species of reptiles (15 turtles, 8 lizards, 23 snakes) inhabit a five state area (Kentucky, North Carolina, Tennessee, Virginia, West Virginia) in the southern Appalachian region bordered by the Potomac River, the Blue Ridge Mountains, and the western margin of the Appalachian Plateau. Of these, 47.9 % of the amphibian fauna and 52.2 % of the reptilian fauna are listed as being of conservation concern by federal, state, and Natural Heritage programs in all or a portion of their ranges of this region. The Shenandoah salamander (Plethodon Shenandoah …

Analysis Of Historical Distribution Of Submerged Aquatic Vegetation (Sav) In The James River, Ken Moore, David J. Wilcox, R J. Orth, Eva Bailey

Reports

Analyses of historical photography and ground surveys dating from the 1930s indicate that approximately 1645 hectares of SAV have been historically present in shallow water regions throughout the James River. This compares to 77 hectares of vegetation reported in 1997 and a James River Tier I SAV restoration goal of 107 hectares (areas mappped with SAV from 1971- 1991). Overall, the temporal and spatial patterns of loss of SAV populations in the James River suggest declines occurred first in the tidal freshwater regions of the upper James beginning approximately 50 years ago, and then subsequently in the lower James beginning …

Benthic Community Analysis Of Hog Island Bay, Virginia, David James Lewis

Biological Sciences Theses & Dissertations

The benthic infaunal macroinvertebrate communities of Hog Island Bay of the Virginia Eastern Shore were quantitatively sampled at 30 locations on August 31 and September 1, 1995. The primary objectives of this study were: (1) to characterize the subtidal macroinfaunal benthic communities of Hog Island Bay, (2) to examine relationships between abiotic factors and the macroinfaunal communities and (3) to characterize the environmental condition of the system using the Benthic Index of Biotic Integrity (B-IBI) (Weisburg et al. 1997) and the EMAP Benthic Index for the Virginian Province (Strobel et al. 1995).

The ecological condition of Hog Island Bay appears …

Factors That Affect African-American Enrollment In Urban Agricultural Degree Programs In The Commonwealth Of Virginia, Thomas Earl Tracy

Theses and Dissertations in Urban Services - Urban Education

The purpose of this study was to determine reasons why few African Americans are in leadership positions in the urban agriculture industry. The lack of leaders will probably continue because there is a dearth of African Americans enrolled in agriculture programs at colleges and universities in the Commonwealth of Virginia.

Six research questions guided the study in its endeavor to determine perceptions about the urban agriculture industry. Data were collected through surveys and interviews. A background questionnaire, developed by the researcher collected data on age, academic interests, urban background, exposure to agriculture occupations, and factors that affected selection of college …

Status Of The Major Oyster Diseases In Virginia 1998 A Summary Of The Annual Monitoring Program, Lisa M. Ragone Calvo, Eugene M. Burreson

Reports

No abstract provided.

Exploratory Field Evaluation Of Hook-Release Mortality In Tautog (Tautoga Onitis) In Lower Chesapeake Bay, Virginia, John A. Lucy, Michael D. Arendt

Reports

In April 1996, the Atlantic States Marine Fisheries Commission approved a Tautog Fishery Management Plan (FMP) requiring states to systematically adopt a 14 in. (356 mm) TL minimum size limit. Release-mortality was assumed to be 25%. Between October and December 1997-1998, 299 tautog (235-520 mm TL; 9-20 in.) were caught using angling gear to estimate release mortality in Virginia's tautog fishery. Fishing occurred at shallow (3-10 m; 10-33 ft.) and deep (12-17 m; 39-56 ft.) water depths at temperatures between 9-l 8°C ( 48-64°F). Tautog were tagged, accumulated in aerated livewells, then returned to depth of capture in galvanized wire …

The Impacts Of External Nutrient Sources On Marine Phytoplankton In An Eastern Shore Sea-Side Estuary, Claudette Lajoie Jenkins

OES Theses and Dissertations

The Eastern Shore of Virginia (Greens Creek) as well as a large portion of the North Atlantic coastline is characterized by estuarine systems not dominated by large river systems. Instead, small freshwater creeks influence many coastal systems yet little information has been documented on their ecological significance. The focus of this research is to identify the biogeochemical and physical interactions within an estuarine water-column and understand the importance of freshwater sources in governing phytoplankton production. The hypothesis of this research is that increases in external nutrient loading into Greens Creek will not result in an increase in primary production. The …

Foreward, Virginia Journal Of Science

Virginia Journal of Science

Foreward to the Winter 1999 issue of Virginia Journal of Science, discussing Pfiesteria Piscicida, written by Harold G. Marshall.

The Economic Value Of Saltwater Angling In Virginia, James Kirkley, N. P. Bockstael, Kenneth E. Mcconnell, Ivar Strand

Reports

No abstract provided.

Economic Feasibility Of Proposed Expansion Of Eastern Shore Farmers' Market: Seafood Warehouse And Distribution Facility, James Kirkley, William D. Dupaul

Reports

No abstract provided.