Effects of fishery protection on biometry and genetic structure of two target sea cucumber species from the Mediterranean Sea

Gonzalez-Wangueemert, Mercedes; Valente, Sara; Aydin, Mehmet

http://hdl.handle.net/10400.1/8712

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Authors

Gonzalez-Wangueemert, Mercedes

Valente, Sara

Aydin, Mehmet

Abstract(s)

Sea cucumber fisheries are now occurring in most of the tropical areas of the world, having expanded from its origin in the central Indo-Pacific. Due to the overexploitation of these resources and the increasing demand from Asian countries, new target species from Mediterranean Sea and northeastern Atlantic Ocean are being caught. The fishery effects on biometry and genetic structure of two target species (Holothuria polii and H. tubulosa) from Turkey, were assessed. The heaviest and largest individuals of H. polii were found into the non-fishery area of Kusadasi, also showing the highest genetic diversity. Similar pattern was detected in H. tubulosa, but only the weight was significantly higher in the protected area. However, the observed differences on the fishery effects between species, could be explained considering the different percentage of catches (80% for H. polii and 20% for H. tubulosa).