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Recently I was part of a team of researchers that went to Kubulau to receive sea cucumber survey training, conducted by Mr Kalo of the Secretariat of the Pacific Community. The team included nine Fisheries officers from all four corners of Fiji (Western, Central, Northern and Eastern Divisions), as well as three staff from the NGO Partners in Community Development Fund.
The team surveyed 57 stations with different methods: manta tows, transects on reef benthos and transects on soft bottom habitats. Each method was carried out both inside community-managed marine protected areas (tabu areas) and in open access areas.
The surveys covered the marine protected areas of Nakali, Namuri, Nasue, Cakau Vusoni and Dromoninuku – the new tabu area established this year, belonging to Navatu village. Open access areas surveyed were the reefs in between Namuri and Nasue marine protected areas, and in front of Waisa village down to Kiobo village, and from Waisa north to Nadivakarua Bay. Unfortunately we were not able to go to the famous Namena MPA due to bad weather.
Of the 24 commercially harvested species of sea cucumber present in Fiji, 18 were found in Kubulau during this survey. Previous surveys conducted by WCS Fiji have recorded 14 of these sea cucumber species, so we were happy to add four new species for Kubulau to the records.
There were not many differences between marine protected areas versus open access areas – in some cases there were in fact larger numbers of sea cucumbers recorded outside the protected areas than inside (Holothurius atra, Lollyfish). For the high value species, we recorded only one White teatfish (Holothuria fuscogilva) and few Stonefish (Actinopyga lecanora) during the day. However there were more high value species recorded in Navatu when we visited the buyer. These high value species were caught during the night. Long-handled spears were used to catch bigger ones in the deep, as clearly explained by the local fishermen.
It has been mentioned that Crown of Thorns starfish populations might be increasing in Kubulau; we did observe Crown of Thorns during the survey but I personally think that the numbers were much lower than previously recorded by WCS Fiji’s surveys in neighbouring Wailevu district in 2011, where the damage has been more serious.
Raw data were presented back to the Turaga ni Yavusas (spokesmen for the tribes in the area) during the talanoa session, as requested by the Chairman of the Kubulau Resource Management Committee. These data were also made available to partner organisations as part of a national consultation process on Fiji’s National Sea Cucumber Fishery, together with some community recommendations about sea cucumber harvesting. The export value of sea cucumbers from Fiji is currently estimated at F$22 million annually (~US$12.4 million).