Assessing gear modifications needed to optimize yields in a heavily exploited, multi-species, seagrass and coral reef fishery.

PloS One
Christina C Hicks, Timothy R McClanahan

Abstract

Effective management is necessary if small-scale fisheries, such as those found in mixed habitats including seagrass and coral reefs, are to continue providing food for many of the poorest communities of the world. Gear-based management, although under represented and under studied, has the potential to be adaptive, address multiple objectives, and be crafted to the socio-economic setting. Management effectiveness in seagrass and coral reef fisheries has generally been evaluated at the scale of the fish community. However, community level indicators can mask species-specific declines that provide significant portions of the fisheries yields and income. Using a unique dataset, containing ten years of species level length frequency catch data from a multi-gear, multi-species seagrass and coral reef fishery in Kenya, we evaluate species specific fishery statuses, compare gear use to gear regulations and estimate the potential needs for further gear restrictions. Despite the high diversity of the fishery, fifteen species represented over 90% of the catch, and only three species represented 60% of the catch. The three most abundant species in the catch, Lethrinus lentjan (Lacepède), Siganus sutor (Valenciennes) and Leptoscarus vaigi...Continue Reading

References

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Citations

Jun 4, 2015·Proceedings of the National Academy of Sciences of the United States of America·Tim M DawLydiah Munyi
Dec 25, 2015·Proceedings. Biological Sciences·T R McClanahan, N A J Graham
Dec 17, 2014·Conservation Biology : the Journal of the Society for Conservation Biology·T R McClanahanJ E Cinner
Jan 17, 2017·Current Biology : CB·Nicholas A J GrahamThomas H Holmes
Apr 15, 2014·Marine Pollution Bulletin·Maricela de la Torre-CastroNarriman S Jiddawi
Aug 5, 2017·Conservation Biology : the Journal of the Society for Conservation Biology·Stuart J CampbellAmanda E Bates
Aug 27, 2016·Global Change Biology·James P W RobinsonJulia K Baum
Dec 9, 2016·Proceedings. Biological Sciences·Stéphanie D'agataDavid Mouillot
Jul 6, 2017·Conservation Biology : the Journal of the Society for Conservation Biology·T R McClanahan, J K Kosgei

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Software Mentioned

Fishbase
CANOCO

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