La Nane^1*, Syamsu Alam Ali²

Jurusan Manajemen Sumber Daya Perairan, Universitas Negeri Gorontalo¹; Jurusan Manajemen Sumber Daya Perairan, Universitas Hasanuddin². Email Korespondensi: lanane@ung.ac.id

Abstract

Suritech (sea urchin technology) is a technology machine for threshing sea urchin spines for the production of sea urchin egg kukure. Sea urchins are echinoderms whose entire body surface is covered with venomous spines. The purpose of this study was to determine the speed, capacity and production of sea urchin eggs based on the Suritech machine. The purpose of this research is to provide information on how to manufacture suritech machines in managing sea urchins. The Suritech machine is capable of producing 100 sea urchins per 4 minutes or 36.000 urchin per day. The production of sea urchin eggs by the Suritech machine is able to beat the production of sea urchin eggs in Japan, which is only around 27.000 tons per day. Thus, the use of the Suritech machine as a thresher of sea urchin spines is expected to increase fishermen's income and position South Sulawesi as the center of sea urchin egg production in Indonesia.

Keywords

Gonad, Indonesia, Sea Urchin, Spermonde, Suritech

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References

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Nurqadri Syaia Bakti¹, La Nane^2*

Jurusan Akuakultur, Universitas Muhammadiyah Gorontalo¹; Jurusan Manajemen Sumber Daya Perairan, Universitas Negeri Gorontalo². Email Korespondensi: lanane@ung.ac.id

Abstract

Sea urchin is echinoderm that body surface is covered with the spines. Sea urchin gonad has been consumed along time by the people at Wakatobi Archipelago. Sea urhin species is worried will be degraded. On the other hand, there is no study on species composition, density, size and maturity stage of sea urchins on Tolandono Island and Sawa Island, Wakatobi Regency. The purpose of this study was to determine the species composition, abundance, size and maturity level of sea urchin gonads. Sea urchin density was calculated with a 10 × 10 m transect quadrate. The data was analyzed by descriptive qualitatively. The results showed that in Tolandono Island and Sawa Island there were 4 types of sea urchins, namely Tripneustes gratila, Echinotrix calamaris, Diadema setosum and Echinoemetra sp. The size of urchin Tripneustes gratilla is ranging between 2.5 cm and 8.5 cm with the density 2 Ind./100 m². Meanwhile, the gonad maturation stage (TKG) of Tripneustes gratila is at a 4.8 cm and spawned at a size 8–8.5 cm. TKG I is in the size range of 4.8–5 cm, TKG II is at 5.9–6.2 cm, TKG III is 6.4–6.6 cm, TKG IV is 6.8–7.5 cm and TKG IV is 6.8–7.5 cm. V in size 8.5 cm.

Keywords

Size; Sea urchin; Species; Wakatobi; Indonesia

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