Life Sciences Commons^™

A 100-Year Sediment Budget For Chesapeake Bay, Carl H. Hobbs Iii, Jeffery P. Halka, Randall T. Kerhin, Michael J. Carron

Reports

Chesapeake Bay is a depositional basin that is filling from both ends and the sides. During the century ended in the mid-1950s between 1.0 x 109 and 2.92 x 109 metric tons of sediment accumulated in the bay. The bay's largest tributary, the Susquehanna River, is a major source of fine-grained sediments; its coarser load being trapped by dams. The continental shelf is the largest single source of sediment for the basin. A massive quantity of sand, perhaps as much of forty percent of the net deposition, enters the bay between the Virginia capes and works its way tens of …

Estimation Of Standing Crop Of Oysters In The James River, Virginia, Using Commercial Fishing Records : Final Report, Bruce J. Barber, Roger L. Mann

Reports

Virginia was the leading producer of oysters, Crassostrea virginica, as recently as the late 1950's, when landings of market oysters from the 243,000 acres of public grounds was about 700,000 bushels (Hargis and Haven, 1988). Beginning about 1960, a major decline in market oyster production occurred, principally the result of two oyster pathogens, Haplosporidium nelsoni (MSX) and Perkinsus marinus ( Dermo) . These pathogens have essentially decimated productive oyster grounds in the main stem of Chesapeake Bay as well as the lower portions of all the major rivers. Market oyster landings from public grounds had declined to 328,338 bushels in …

Eutrophication Of Lake Matoaka Assessment And Projection, Bruce Neilson, Gary F. Anderson, Martha Rhodes

Reports

No abstract provided.

Recruitment And Growth Of Oysters On Shell Clutch Planted At Monthly Intervals (May-August 1986) At Jones Shore Basin The Lower Potomac River, Maryland, Reinaldo Morales-Alamo, Roger L. Mann

Reports

No abstract provided.

Marine Mammal Project : Semi-Annual Report, 1 Jan-30 June 1990, John A. Musick

Reports

The Virginia Institute of Marine Science/School of Marine Science is the marine mammal stranding coordinator for the state of Virginia. Its purpose is to collect data from strandings, conduct population estimates from local marine mammal fauna, and to provide rehabilitation efforts to live stranded marine mammals.

Thirteen marine mammals, including twelve cetaceans and one pinniped, have been reported stranded in Virginia since 1 January 1990. The strandings were comprised of six different species. The most reported stranded species has been Tursiops truncatus (6). Two marine mammals, a harbor porpoise Phocoena phocoena and a humpback whale Megaptera novaeangliae, were stranded live. …

Public Oyster Shoal Survey - Spring 1990, Bruce Barber

Reports

This report summarizes data collected during 1990 in the Virginia portion of the Chesapeake Bay. The report focuses on the spring public oyster shoal survey in Virginia.

Striped Bass Research, Virginia : Estimation Of Juvenile Striped Bass Relative Abundance, Annual Report 1989, James A. Colvocoresses

Reports

The Virginia Institute of Marine Science (VIMS) has conducted a juvenile striped bass seine survey during the years from 1967 through 1973 and from 1980 through the present, with the primary objective of monitoring the relative annual recruitment success of juvenile striped bass in the spawning and nursery areas of Lower Chesapeake Bay. The survey was funded during it's initial period by the U.S. Fish and Wildlife Service and then reinstated in 1980 with funding from the National Marine Fisheries Service under the Emergency Striped Bass Study program. Commencing with the 1988 annual survey reported herein, support of the program …

Sandbridge Bulkhead Impact Study, C. Scott Hardaway Jr., George R. Thomas

Reports

No abstract provided.

A Mark-Recapture Study Of Striped Bass In The James River, Virginia : Annual Report 1989, Joseph G. Loesch, Bruce W. Hill

Reports

No abstract provided.

Striped Bass Research, Virginia: Characterization Of Virginia's Striped Bass Commercial Fisheries Annual Report 1989-90, Virginia Institute Of Marine Science

Reports

The research reported herein (and in the 1982 through 1989 annual reports) is directly related to Priority III stated in the "Action Plan" (p. 15) of the Emergency Striped Bass Study (Anadromous Fish Conservation Act Amendment, Public Law 96-118). The amendment was the result of a decline in striped bass (Marone saxatilis) landings from Maine to North Carolina since the mid-1970's. This report summarizes the results of the fall 1989 and spring 1990 sampling period and compares these results with the previous work.

Benthic Habitat Mapping For Living Resources, Robert J. Diaz, Paul Gapcynski, Virginia Institute Of Marine Science

Reports

Much of the development activity in Chesapeake Bay involves modification to subtidal bottoms. . . .

A Mark-Recapture Study Of Striped Bass In The Rappahannock River, Virginia Annual Report 1989-1990, Joseph G. Loesch, Bruce W. Hill, Philip W. Sadler

Reports

A total of 6,203 striped bass were tagged in fall 1989 and 2,033 in spring 1990 on the Rappahannock River.

In fall 1989, 63.5% of the tagged striped bass were less than 400 mm fork length (FL). In comparison, 86% of the fish were greater than 400 mm FL in spring 1990.

Pound nets in the Rappahannock River account for 75% of the recaptures, while out of state recaptures account for only 0. 008% of the total returns.

Status Of The Virginia Public Oyster Fishery - Fall 1990, Bruce Barber

Reports

This report summarizes data collected during 1990 in the Virginia portion of the Chesapeake Bay. The report focuses on the fall oyster survey in Virginia.