By D.W. Sims, Alan J. Southward
Advances in Marine Biology used to be first released in 1963. Now edited by way of A.J. Southward (Marine organic organization, UK), P.A. Tyler (Southampton Oceanography organization, UK), C.M. younger (Harbor department Oceanographic establishment, united states) and L.A. Fuiman (University of Texas, USA), the serial publishes in-depth and updated studies on quite a lot of themes that allows you to attract postgraduates and researchers in marine biology, fisheries technological know-how, ecology, zoology, oceanography. Eclectic volumes within the sequence are supplemented by way of thematic volumes on such issues because the Biology of Calanoid Copepods. * comprises over 25 tables and 34 illustrations * Covers such subject matters as reef fishes, crustacea within the arctic and antarctic, fisheries within the Northeast Atlantic, and extra * four studies authored via specialists of their correct fields of analysis
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Additional info for Advances in Marine Biology, Vol. 51
2. Management By mid 1987 it was obvious that the oVshore scallop fisheries needed regulation and several management options were considered (Anonymous, 1988): 1. 2. 3. 4. 5. Introduction of quotas (for total catch, area or vessel) Control fishing eVort Fixing a minimal size at capture Opening/closing of scallop beds Seasonal regulation of the fishery; based on the seasonal variations of muscle weight due to food availability and physiological changes associated with the spawning cycles (Sundet and Vahl, 1981; Sundet and Lee, 1984).
Survey data from the Svalbard area indicate that the stock may be recovering (J. Sundet, personal communication). Other scallop fisheries have followed a similar pattern to those reviewed here and yet the fishery has recovered. The largest Canadian C. islandica fishery started in 1993 on the Grand Banks oV Newfoundland, and by 1996 catches had reached 21,000 tonnes. , 1997). The fishery for the weathervane scallop, Patinopecten caurinus, started in southeast Alaska in the late 1960s and depleted the stock in <10 yr.
For Iceland and Greenland, however, better knowledge of the dynamics of scallop populations would have enabled them to plan better management of their resources. Scallop beds in Greenland might be relic populations from much larger beds, as found by Pedersen (1988a). Some beds around Disko Island were surrounded by an extensive area covered with empty shells. Carbon14 analysis indicated that the shells were between 60 and 450 yr old, and some of them even 6300 yr old. This stresses further the need for careful monitoring and management of scallop stocks in the Arctic.