Effects of fishing during the spawning period: implications for sustainable management

Effects of fishing during the spawning period: implications for sustainable management While fishery closures during the spawning season are commonplace, direct evidence for their benefit is mainly restricted to species forming large spawning aggregations. This paper analyses the conditions under which spawning closures could contribute to sustainable fisheries management by reviewing how fishing during spawning may affect the physiology, behaviour and ecology of individuals and how this may influence the dynamics and the genetics of the population. We distinguish between the effects of fishing activities in relation to mortality, disturbance of spawning activity, and impact on spawning habitat. Spawning closures may be of benefit it they: (1) reduce the fishing mortality of the large and older spawners; (2) avoid negative effects on spawning habitats; (3) reduce the risk of over-exploitation in species which form large spawning aggregations; (4) reduce the evolutionary effects on maturation and reproductive investment; and (5) reduce the risk of over-exploitation of specific spawning components. The contribution of spawning closures to sustainable fisheries will differ among species and depends on the complexity of the spawning system, the level of aggregation during spawning and the vulnerability of the spawning habitat. The importance of these closures depends on the degree of population depletion but does not cease when populations are ‘healthy’ (i.e. no sign that recruitment is impaired). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Reviews in Fish Biology and Fisheries Springer Journals

Effects of fishing during the spawning period: implications for sustainable management

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Publisher
Springer International Publishing
Copyright
Copyright © 2014 by Springer International Publishing Switzerland
Subject
Life Sciences; Freshwater & Marine Ecology; Zoology
ISSN
0960-3166
eISSN
1573-5184
D.O.I.
10.1007/s11160-014-9370-x
Publisher site
See Article on Publisher Site

Abstract

While fishery closures during the spawning season are commonplace, direct evidence for their benefit is mainly restricted to species forming large spawning aggregations. This paper analyses the conditions under which spawning closures could contribute to sustainable fisheries management by reviewing how fishing during spawning may affect the physiology, behaviour and ecology of individuals and how this may influence the dynamics and the genetics of the population. We distinguish between the effects of fishing activities in relation to mortality, disturbance of spawning activity, and impact on spawning habitat. Spawning closures may be of benefit it they: (1) reduce the fishing mortality of the large and older spawners; (2) avoid negative effects on spawning habitats; (3) reduce the risk of over-exploitation in species which form large spawning aggregations; (4) reduce the evolutionary effects on maturation and reproductive investment; and (5) reduce the risk of over-exploitation of specific spawning components. The contribution of spawning closures to sustainable fisheries will differ among species and depends on the complexity of the spawning system, the level of aggregation during spawning and the vulnerability of the spawning habitat. The importance of these closures depends on the degree of population depletion but does not cease when populations are ‘healthy’ (i.e. no sign that recruitment is impaired).

Journal

Reviews in Fish Biology and FisheriesSpringer Journals

Published: Aug 29, 2014

References

  • Multiple stock structure of Atlantic cod (Gadus morhua) off Newfoundland and Labrador determined from genetic variation
    Beacham, TD; Brattey, J; Miller, KM; Le, KD; Withler, RE
  • Sexual satellites, moonlight and the nuptial dances of worms: the influence of the moon on the reproduction of marine animals
    Bentley, MG; Olive, PJW; Last, K
  • Maturity and reproductive cycle of the female American lobster, Homarus americanus, in the southern Gulf of St. lawrence, Canada
    Comeau, M; Savoie, F
  • Environmental effects of marine fishing
    Dayton, PK; Thrush, SF; Agardy, MT; Hofman, RJ
  • Impact of a large-scale area closure on patterns of fishing disturbance and the consequences for benthic communities
    Dinmore, TA; Duplisea, DE; Rackham, BD; Maxwell, DL; Jennings, S
  • Spawning patterns in the leopard grouper
    Erisman, BE; Buckhorn, ML; Hastings, PA

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