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Estimation Of Relative Abundance Of Recreationally Important Finfish In The Virginia Portion Of The Chesapeake Bay : Annual Progress Report July 1998 - June 1999, Patrick J. Geer, Herbert M. Austin Sep 1999

Estimation Of Relative Abundance Of Recreationally Important Finfish In The Virginia Portion Of The Chesapeake Bay : Annual Progress Report July 1998 - June 1999, Patrick J. Geer, Herbert M. Austin

Reports

Measures of juvenile abundance are presently in wide use as a key element in the management of the Atlantic States' coastal fishery resources. Estimates of the relative interannual abundance of early juveniles (age-0) generated from scientific (fishery-independent) survey programs have been found to provide a reliable and early estimator of future year class strength (Goodyear 1985, Lipcius and Van Engel 1990). After a review of previously available indices of juvenile abundance for important fishery resource species in the Chesapeake Bay, the Chesapeake Bay Stock Assessment Committee (CBSAC), a federal/state committee sponsored and funded by the National Oceanic and Atmospheric Administration …


Ecological Functions Of Constructed Oyster Reefs Along An Environmental Gradient In Chesapeake Bay: Final Report, Fx O'Beirn, Mark Luckenbach, Roger L. Mann, J Harding, J Nestlerode Sep 1999

Ecological Functions Of Constructed Oyster Reefs Along An Environmental Gradient In Chesapeake Bay: Final Report, Fx O'Beirn, Mark Luckenbach, Roger L. Mann, J Harding, J Nestlerode

Reports

Oyster reef habitat restoration within the Chesapeake Bay has as its objectives not only the enhancement of the commercially important oyster stocks, but also the restoration of associated assemblages of organisms and, most importantly, the restoration of ecological functions associated with natural reef communities. Despite our efforts to date, many uncertainties still exist with respect to achieving these restoration goals. These include long-term information on the temporal sequence of community development on new reef substrate, evaluating oyster recruitment patterns (a) across restored reef systems and (b) in relation to resident brood stocks.

In this study we sought to characterize the …


Evaluation Of Striped Bass Stocks In Virginia: Monitoring Studies, 1993-1998 Completion Report 1 September 1997 - 31 October 1998, Philip W. Sadler, Robert E. Harris Jr., Jason Romine, John E. Olney Sr. May 1999

Evaluation Of Striped Bass Stocks In Virginia: Monitoring Studies, 1993-1998 Completion Report 1 September 1997 - 31 October 1998, Philip W. Sadler, Robert E. Harris Jr., Jason Romine, John E. Olney Sr.

Reports

To document continued compliance with Federal law, the Virginia Institute of Marine Science (VIMS) Anadromous Program (AP) has monitored the size and age composition, sex ratio and maturity schedules of the spawning striped bass stock in the Rappahannock River since December 1981 utilizing commercial pound nets and, since 1991, variable-mesh experimental anchored gill nets. Spawning stock assessment was expanded to include the James River in 1994 utilizing extant commercial fyke nets and variable-mesh experimental gill nets. The use of fyke nets was discontinued after 1997. Tagging programs have been conducted in the James and Rappahannock rivers since 1987 in conjunction …


Estimation Of Juvenile Striped Bass Relative Abundance In The Virginia Portion Of Chesapeake Bay, January 1998-December 1998 : Annual Progress Report, Herbert M. Austin, A. Dean Estes, Donald M. Seaver Jan 1999

Estimation Of Juvenile Striped Bass Relative Abundance In The Virginia Portion Of Chesapeake Bay, January 1998-December 1998 : Annual Progress Report, Herbert M. Austin, A. Dean Estes, Donald M. Seaver

Reports

The Virginia Institute of Marine Science (VIMS) has conducted a juvenile striped bass seine survey from 1967 through 1973 and from 1980 through the present. The primary objective has been the monitoring of the relative annual recruitment success of juvenile striped bass in the spawning and to the nursery areas of Lower Chesapeake Bay. Initially (1967-1973), the survey was funded by the U.S. Fish and Wildlife Service and when reinstated in 1980 with funding from the National Marine Fisheries Service-under the Emergency Striped Bass Study program Commencing with the 1988 annual survey, support of the program has been jointly made …