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Population Dynamics and Stock Assessment of Lobsters: a Review

Population Dynamics and Stock Assessment of Lobsters: a Review Proceedings of the Fourth International Workshop on Lobster Biology and Management, 1993 POPULATION DYNAMICS AND STOCK ASSESSMENT OF LOBSTERS: A REVIEW BY PAUL A. BREEN MAF Fisheries Marine Research, P.O. Box 297, Wellington 6003, New Zealand ABSTRACT This paper reviews advances in the population dynamics and stock assessment of lobsters since 1980. A great advance has been recognizing the direct effects of the varying physical environment on lobster abundance and developing testable hypotheses to explain them. Another advance has been in the use of manipulative field experiments to test hypotheses about juvenile population biology, and our understanding of juvenile ecology has also increased greatly. Many new relations among abundance, growth, survival, maturity, and fecundity have also been documented for older lobsters. For some species, biologists have identified the major influences determining abundance, but no obvious generalizations apply across all species. Stock assessments for lobsters must deal with the great complexity that is now documented for particular lobster populations. Yield-per-recruit and egg-per-recruit approaches are now heavily used, but probably do not address the necessary range of real population responses. Stock- production approaches continue to be used where appropriate data are available; great care is required. The role of stock http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Crustaceana Brill

Population Dynamics and Stock Assessment of Lobsters: a Review

Breen, Paul A.
Crustaceana , Volume 67 (2): 239 – Jan 1, 1994
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References (59)

Publisher
Brill
Copyright
© 1994 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0011-216x
eISSN
1568-5403
DOI
10.1163/156854094X00602
Publisher site
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Abstract

Proceedings of the Fourth International Workshop on Lobster Biology and Management, 1993 POPULATION DYNAMICS AND STOCK ASSESSMENT OF LOBSTERS: A REVIEW BY PAUL A. BREEN MAF Fisheries Marine Research, P.O. Box 297, Wellington 6003, New Zealand ABSTRACT This paper reviews advances in the population dynamics and stock assessment of lobsters since 1980. A great advance has been recognizing the direct effects of the varying physical environment on lobster abundance and developing testable hypotheses to explain them. Another advance has been in the use of manipulative field experiments to test hypotheses about juvenile population biology, and our understanding of juvenile ecology has also increased greatly. Many new relations among abundance, growth, survival, maturity, and fecundity have also been documented for older lobsters. For some species, biologists have identified the major influences determining abundance, but no obvious generalizations apply across all species. Stock assessments for lobsters must deal with the great complexity that is now documented for particular lobster populations. Yield-per-recruit and egg-per-recruit approaches are now heavily used, but probably do not address the necessary range of real population responses. Stock- production approaches continue to be used where appropriate data are available; great care is required. The role of stock

Journal

Crustaceana – Brill

Published: Jan 1, 1994

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