期刊
SCANDINAVIAN JOURNAL OF STATISTICS
卷 29, 期 2, 页码 245-267出版社
WILEY
DOI: 10.1111/1467-9469.00282
关键词
bootstrap; confidence distribution; fisheries' assessment; history of fisheries' problem; inference; MCMC; model selection; parameter indeterminacy; weighting
Decisions concerning the management of fisheries are founded on confidence statements for interest parameters such as biomass and exploitation rate, derived from complex structural models that describe the dynamics of fisheries. We identify four generic statistical issues and focus on how they impact on the reliability of those confidence statements: (a) parameters for which the data have little or no information, (b) competing structural relationships; (c) weighting of observations; and (d) alternative methods for computing confidence statements. Our purpose is to give an exposition of how these issues impact on fisheries' analyses, with the intent of stimulating thought on more effective alternatives. We describe the fisheries' management context and use two specific studies to illustrate how these generic statistical issues impact on fisheries assessment results. It is demonstrated that these statistical issues can have a profound impact on fishery management decisions and that established approaches to handle them have not been fully developed.
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