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Conservation of exploited sea cucumbers: advances, initiatives and knowledge gaps
Journal article   Open access   Peer reviewed

Conservation of exploited sea cucumbers: advances, initiatives and knowledge gaps

Chantal Conand, Steven W Purcell, Jean-Francois Hamel, Anne Mercier, Marie Di Simone, Arnaud Horellou, Kim Friedman and Alessandro Lovatelli
Cahiers de biologie marine, Vol.65(4), pp.287-295
02/10/2024
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Conservation of exploited sea cucumbers: advances, initiatives and knowledge gapsView
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Abstract

International conservation regional conservation Holothurians fisheries management IUCN CITES FAO
Sea cucumbers have been harvested and consumed by Chinese and other Asian populations for a thousand years. Fisheries captures to service Asian seafood markets progressively extended to countries in the tropical Pacific, then the Indian Ocean and more recently to the rest of the world. The tropical fisheries are mostly artisanal and multi-species focused, while temperate ones focus on fewer species and are more industrialized. The number of exploited species has increased greatly in recent decades to reach more than 80. Fisheries have often followed a ‘boom-and-bust’ cycle. Illegal, unreported and unregulated (IUU) harvesting is widespread, especially in low-income countries. Some of the highly sought-after species have been overfished to critically low densities in many localities. Conservation issues have increasingly been raised and research developed on holothuroids, both at the species level, on taxonomy, biology and ecology and at the ecosystem level, on biodiversity, fisheries, aquaculture and markets. Advances in conservation are being facilitated by the efforts of international bodies, including FAO, CITES, IUCN, as well as regional ones such as SPC and WIOMSA, and national research and fisheries administrations across the globe. Many knowledge gaps remain regarding maintaining and restoring sea cucumber population resilience, the data and information gaps, regions of interest and species at risk. Here, we propose research and steps that might help to refine and put in action the processes / instruments necessary for better conservation.

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