Management of Pacific Herring Spawn-on-Kelp Fisheries to Optimize Fish Health and Product Quality

Autor:	J. Johnson, Richard M. Kocan, G. D. Marty, Paul K. Hershberger, Nancy Elder
Rok vydání:	2001
Předmět:	Ecology biology Kelp Clupea pallasi Outbreak Pacific herring Fish health Management Monitoring Policy and Law Aquatic Science biology.organism_classification Spawn (biology) Fishery Viral hemorrhagic septicemia Ecology Evolution Behavior and Systematics
Zdroj:	North American Journal of Fisheries Management. 21:976-981
ISSN:	1548-8675 0275-5947
DOI:	10.1577/1548-8675(2001)021<0976:mophso>2.0.co;2
Popis:	Use of high densities of newly recruited Pacific herring Clupea pallasi for the closed-pound spawn-on-kelp (PPSOK) fishery in Prince William Sound, Alaska, was associated with increased gamete retention, decreased product quality, and increased prevalence of viral hemorrhagic septicemia virus (VHSV) relative to the confinement of older cohorts at lower densities. To maximize product quality and reduce the potential for disease outbreaks, three management alternatives are proposed for the PPSOK fishery: (1) establish minimum pound volumes per permit holder; (2) prohibit PPSOK fisheries during years predominated by newly recruited cohorts; and (3) develop effective open-pounding techniques.
Databáze:	OpenAIRE
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