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JNAFS

01

R. C. Hennemuth, J. E. Palmer and B. E. Brown

National Marine Fisheries Service, Northeast Fisheries Center

Woods Hole, Massachusetts 02543, USA

Source - Journal of Northwest Atlantic Fishery Science, Volume 1: 101-111
ISSN-0250-7408

 

Hennemuth, R.C., Palmer, J.E. and Brown, B.E. 1980. A Statistical Description of Recruitment in Eighteen Selected Fish Stocks. J. Northw. Atl. Fish. Sci. 1: 101-111. https://doi.org/10.2960/J.v1.a10

 

Abstract

For understanding and predicting purposes, one is concerned with identifying suitable models and methods for describing empirical and theoretical relationships that may exist between fish stock, environment and recruitment. In this paper, recruitment in 18 fish stocks around the world is reviewed by examining the frequency distributions of observed year-class strength. These frequency distributions represent the probability density functions which incorporate the total effect of all factors. The actual frequency distributions of recruitment were plotted and each set of data tested for goodness-of-fit to normal and log normal distributions. Conclusions from the tests were that most of the data sets could be described by a log normal distribution function.

Comparison of recruitment estimates and associated catches over time (years) indicated that significant deviations in catch closely followed significant deviations in recruitment. Serial correlation analyses of the recruitment data indicate, in most cases, that recruitment in 1 year is correlated with that of the previous year.

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Language - English
Publisher - Northwest Atlantic Fisheries Organization (NAFO), Dartmouth, N.S., Canada
Publication Date - December 1980
Publication Type - Journal Article
Descriptors - catch, distribution, recruitment

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Citation: Hennemuth, R.C., Palmer, J.E. and Brown, B.E. 1980. A Statistical Description of Recruitment in Eighteen Selected Fish Stocks. J. Northw. Atl. Fish. Sci. 1: 101-111. https://doi.org/10.2960/J.v1.a10
Posted in: Volume 01 - 1980
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