Oyster Spatfall on Shellstrings in Virginia Rivers: 1976 Annual Summary

The Virginia Institute of M3rine Science (VIMS) conducts weekly surveys from June through early October to obtain oyster spatfall information. Spat counts are made from oyster shells strung on wire and suspended from stakes on public and private beds. The number of spat on shells are counted each week of the spawning season to determine the potential of a particular area for receiving a strike and to predict the most likely period the strikes will occur, Shells planted just before the period of maximum set have the best chance of getting a good strike

Oyster Spatfall in Virginia Rivers: 1980 Annual Summary

The Virginia Institute of Marine Science (VIMS) conducts weekly surveys from June through early October to obtain oyster spatfall information. Spat counts are made from oyster shells strung on wire and suspended from stakes on public and private beds. The number of spat on shells are counted each week of the spawning season to determine the potential of a particular area for receiving a strike and to predict the most likely period the strikes will occur. Shells planted just before the period of maximum set have the best chance of getting a good strike

Oyster Spatfall in Virginia Rivers: 1981 Annual Summary

The Virginia Institute of Marine Science (VIMS) conducts weekly surveys from June through early October to obtain oystet spatfall information, Spat counts are made from oyster shells strung on wire and suspended from stakes on public and private beds, The number of spat on shells are counted each week of the spawning season to determine the potential of a particular area for receiving a strike and to predict the most likely period the strikes will occur

The shellfish resource in the vicinity of the proposed bridge-tunnel for I-664

A study of the. shellfish resoμrce near the proposed site of the I-664 bridge-tunnel across Hampton Roads was conducted by the Virginia Institute of Marine Science in September 1980, Bottom samples collected with patent tongs in a corridor surrounding the proposed site indicated the following: l. The oyster population was negligible; 2. Medium and high densities of hard clams occurred in the Northern part of the study area,. generally between Newport News Point and Middle Ground; and, 3. Density South of Middle Ground was low. Value of all the hard clams was estimated to be slightly in excess of one million dollars if they were all harvested. One private oyster planting ground, a part of Public Oyster Ground Number 1, Nansemond County, and some public clamming ground were included in the area under study

Oyster Spatfall on Shellstrings in Virginia Rivers: 1975 Annual Summary

The Virginia Institute of Marine Science (VIMS) conducts weekly surveys from June through early October to obtain oyster spatfall information. Spat counts are made from oyster shells strung on wire and · suspended from stakes on public and private beds. The number of spat on shells are counted each week of the spawning season to determine the potential of a particular area for receiving a strike and to predict the most likely period the strikes will occur. Shells .planted just before the period of maximum set have the best chance of getting a good strike

Commercially Valuable Shellfish on Leased Portions of Elizabeth River Bottom Near the New West Norfolk Bridge

Sampling for oysters and clams conducted in June of 1979 indicated that oysters were present in several places in densities which would support commercial harvest. It is noted, however, that the.area is presently classed as condemned by the Virginia Department of Health. Hard clams and soft clams were present in very low numbers. Quantities of oysters recovered in 1979 were often several times larger than those observed when the same areas were sampled. in 1974, before construction of the bridge. Natural recruitment is indicated as the source of the increased quantities. On the basis of our data, there are no indications of any adverse impact from the bridge construction could be inferred. Values of oysters and shell on the leases in June of 1979 have been estimated

Oyster Spatfall on Shellstrings in Virginia Rivers: 1973 Annual Summary

Although oyster setting levels in most Virginia river systems are still far below trose whicb commonly occurred prior to 1960, the 1973 season marked an improvement over the previous year when Tropical Storm Agnes raged througb the Chesapeake Bay region, creating adverse environmental conditions which were largely responsible_ for the_ lowest s},tting levels on record, Data for 1972

A study of some leased oyster planting grounds adjacent to the James River bridge, Newport News, Virginia : conducted for the Virginia Dept. of Highways and Transportation, Project 0017-046-102, B-605

A study of portions of two leased oyster planting grounds adjacent to the construction site of the additional lanes of the James River Bridge was conducted in October 1980. Sampling with patent tongs indicated that on one lease oysters existed in medium commercial density while the other lease had no oysters. The fathometer showed a fairly even bottom with no evidence of large holes. Audio gear was used to indicate the nature and the contents of the bottom between patent tong sampling sites

Oyster Spatfall in Virginia Rivers: 1979 Annual Summary

The Virginia Institute of Marine Science (VIMS) conducts weekly surveys from June through·early October to obtain oyster spatfall information. Spat counts are made from oyster shells strung on wire and suspended from stakes on public and private beds. The number of spat on shells are counted each week of the spawning season to determine the potential of a particular area for receiving a strike and to predict the most likely period the strikes will occur. Shells planted just before the period of maximum set have the best chance of getting a good strike