Model for White Shrimp Landings for the Central Coast of South Carolina

Autor:	F. S. Lee, J. D. Whitaker, C. F. Lam
Rok vydání:	1989
Předmět:	South carolina Ecology biology Broodstock Management Monitoring Policy and Law Aquatic Science biology.organism_classification Shrimp Fishery Salinity Management strategy Environmental science Penaeus Ecology Evolution Behavior and Systematics Stock (geology) Winter weather
Zdroj:	North American Journal of Fisheries Management. 9:12-22
ISSN:	1548-8675 0275-5947
DOI:	10.1577/1548-8675(1989)009<0012:mfwslf>2.3.co;2
Popis:	A stock–recruitment relationship (SRR) was developed for white shrimp Penaeus setiferus in the central coastal area of South Carolina. The SRR is a Beverton–Holt-type curve for which May and June commercial fishery landings represent stock and August–January landings represent recruitment. A variable, August salinity in Charleston Harbor, was selected by the stepwise regression process, and it was combined with the Beverton–Holt equation to produce a model that explained 86.8% of the variation in August–January landings. The final model was used to develop a family of SRR curves in which each curve corresponded to a different salinity. This model was sufficiently robust to forecast below-average, average, and above-average fall landings from readily obtainable data collected in spring and summer. These findings support South Carolina's existing management strategy of protecting spring spawners as much as possible after severe winter weather when the brood stock has suffered heavy mortality.
Databáze:	OpenAIRE
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