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DISEASES, PARASITES, AND SYMBIONTS OF BLUE CRABS ( CALLINECTES SAPIDUS ) DREDGED FROM CHESAPEAKE BAY

DISEASES, PARASITES, AND SYMBIONTS OF BLUE CRABS ( CALLINECTES SAPIDUS ) DREDGED FROM CHESAPEAKE BAY Blue crabs, Callinectes sapidus Rathbun, are one of the most valuable commercial fish- eries in Chesapeake Bay. The 1996 Maryland landings were 38 million pounds, valued at $31 million (Maryland Department of Natural Resources, 1996). Blue crab landings fluctu- ate yearly (Holliday and O'Bannon, 1990) due to factors such as winds and currents, which influence larval transport and recruit- ment from the Atlantic Ocean back into Chesapeake Bay (Boicourt, 1982; Sulkin and Epifanio, 1986). Recent indications of de- creased crab landings and increased fishing pressure in Chesapeake Bay have prompted legislation of conservation measures for the fishery since 1994 (Abbe and Stagg, 1996). Other factors, such as predation, food avail- ability (Van Heukelem, 1991), and disease (Sprague, 1965; Johnson, 1983) may also af- fect fluctuations in crab abundance. Reduced catches or mortalities associated with diseases or parasites have been documented in sev- eral commercial crustacean fishery popula- tions including Chesapeake Bay (Sprague and Beckett, 1966), other blue crab fisheries (Overstreet, 1978), king crabs (Paralithodes camtschatica (Tilesius)) (Kuris et al., 1991), Tanner crabs (Chionoecetes bairdi Rathbun) (Meyers et al., 1987), and the Norway lobster Nephrops norvegicus (Linnaeus) (see Field et al., 1992), and the velvet swimming crab Ne- cora http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Crustacean Biology Brill

DISEASES, PARASITES, AND SYMBIONTS OF BLUE CRABS ( CALLINECTES SAPIDUS ) DREDGED FROM CHESAPEAKE BAY

Journal of Crustacean Biology , Volume 18 (3): 533 – Jan 1, 1998

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References (12)

Publisher
Brill
Copyright
Copyright 1998 by Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0278-0372
eISSN
1937-240X
DOI
10.1163/193724098X00368
Publisher site
See Article on Publisher Site

Abstract

Blue crabs, Callinectes sapidus Rathbun, are one of the most valuable commercial fish- eries in Chesapeake Bay. The 1996 Maryland landings were 38 million pounds, valued at $31 million (Maryland Department of Natural Resources, 1996). Blue crab landings fluctu- ate yearly (Holliday and O'Bannon, 1990) due to factors such as winds and currents, which influence larval transport and recruit- ment from the Atlantic Ocean back into Chesapeake Bay (Boicourt, 1982; Sulkin and Epifanio, 1986). Recent indications of de- creased crab landings and increased fishing pressure in Chesapeake Bay have prompted legislation of conservation measures for the fishery since 1994 (Abbe and Stagg, 1996). Other factors, such as predation, food avail- ability (Van Heukelem, 1991), and disease (Sprague, 1965; Johnson, 1983) may also af- fect fluctuations in crab abundance. Reduced catches or mortalities associated with diseases or parasites have been documented in sev- eral commercial crustacean fishery popula- tions including Chesapeake Bay (Sprague and Beckett, 1966), other blue crab fisheries (Overstreet, 1978), king crabs (Paralithodes camtschatica (Tilesius)) (Kuris et al., 1991), Tanner crabs (Chionoecetes bairdi Rathbun) (Meyers et al., 1987), and the Norway lobster Nephrops norvegicus (Linnaeus) (see Field et al., 1992), and the velvet swimming crab Ne- cora

Journal

Journal of Crustacean BiologyBrill

Published: Jan 1, 1998

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