Changes to regulations and the gear used in the South African commercial fishery for Jasus lalandii

David S Schoeman; A C Cockcroft; D L Van Zyl; P C Goosen

doi:10.2989/025776102784528358

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Changes to regulations and the gear used in the South African commercial fishery for Jasus lalandii

Journal article

Peer reviewed

Changes to regulations and the gear used in the South African commercial fishery for Jasus lalandii

David S Schoeman, A C Cockcroft, D L Van Zyl and P C Goosen

South African Journal of Marine Science, Vol.24(1), pp.365-369

2002

DOI: https://doi.org/10.2989/025776102784528358

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Abstract

Biological Sciences

Agricultural and Veterinary Sciences

Earth Sciences

fishing gear

fishing regulations

jasus lalandii

rock lobster

Alterations to the operational fishing gear used in the South African west coast rock lobster Jasus lalandii fishery and their resultant impacts are investigated. The most important developments have been: (i) a change during the 1960s from hand-hauled hoopnets to winch-hauled traps, with a concomitant modification of vessels; (ii) the introduction of deck-grid sorters in 1975; (iii) an increase during 1984 of minimum mesh aperture from 62 to 100 mm (stretched), with a concomitant decrease in the length of the trap codend; (iv) a decrease in the minimum legal size during the early 1990s; and (v) the introduction of bottom-grid traps in 1994. Most of these alterations have been driven by a trade off between the need for greater operational efficiency and concerns surrounding the issue of how best to deal with the problem of catching and releasing specimens smaller than the minimum legal size.

Details

Title: Changes to regulations and the gear used in the South African commercial fishery for Jasus lalandii
Authors: David S Schoeman (Author) - University of Port Elizabeth, South Africa
A C Cockcroft (Author) - Marine & Coastal Management, South Africa
D L Van Zyl (Author) - Marine & Coastal Management, South Africa
P C Goosen (Author) - Marine & Coastal Management, South Africa
Publication details: South African Journal of Marine Science, Vol.24(1), pp.365-369
Publisher: National Inquiry Services Centre
Date published: 2002
DOI: 10.2989/025776102784528358
ISSN: 0257-7615
Organisation Unit: School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
Language: English
Record Identifier: 99450116902621
Output Type: Journal article

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