BUDI DAYA KARANG HIAS MENDUKUNG PERDAGANGAN KARANG HIAS YANG BERKESINAMBUNGAN

  • Johan O
  • Hadie W
  • Saputra A
  • et al.
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Abstract

Kegiatan budi daya karang hias di Indonesia perlu dilakukan untuk menjamin perdagangannya agar berjalan tanpa merusak keanekaragaman dan kondisi terumbu karang. Budi daya karang hias menggunakan rak berupa meja yang terbuat dari paralon PVC yang dinilai sangat ekonomis dan mudah diaplikasikan masyarakat lokal. Pengamatan pertumbuhan hanya dilakukan pada 1 rak masing-masing jenis karang yang dibudidayakan yaitu Acropora sp., Acropora formosa, Acropora humilis, Acropora millepora, Acropora nobilis, dan Seriatopora hystrix. Kegiatan dilakukan pada dua lokasi yaitu Pulau Simakakang-Mentawai, Sumatera Barat dan Gondol, Bali. Pengamatan dilakukan setiap dua bulan dan penelitian dilaksanakan selama 6 bulan. Hasil pengamatan diperoleh tingkat mortalitas pada lokasi Pulau Simakakang diperoleh 5,56% dari 36 sampel yang diukur dari 6 jenis karang dan 6 ulangan, pertambahan panjang jenis A. formosa 0,64 cm/bulan, lebih cepat dibandingkan dengan jenis A. millepora 0,58 cm/bulan dan jenis lain. Karang A. humilis memiliki laju perambatan pada substrat semen dan batang pengikat yang  lebih cepat dari jenis lain. Pada lokasi Gondol, Bali memiliki laju pertambahan panjang karang A. millepora lebih cepat (0,50 cm/bulan) dibandingkan dengan jenis A. tenuis (0,43 cm/bulan) dan jenis lain berkisar antara 0,21—0,39 cm/bulan.Tingkat kematian 3 koloni (7,1%) dari total 42 koloni yang disampling.The culture of ornamental coral is important to be conducted to guarantee the coral trade can be run well without giving impact to coral reef biodiversities and coral reef condition in Indonesia. This cultured using table using nets as a place which is made from PVC pipe. This method can minimize cost comparing with others materials as well as applicable for coastal community. One table can be placed 12 (3x4) substrate with a distance among others of 25 cm, then fragmented coral were tied to that substrates. This activity was carried out in two locations that were Simakakang Island, Mentawai, West Sumatera, and Gondol, Bali. The observation of mortality found that the one in Simakakang Island had 5.56% of 36 fragments of 6 species and of 6 replications, length growth of A. formosa was 0.64 cm/month, more rapid than the one of A. millepora (0,58 cm/month) and others species. A. humilis had encrusted to cement substrate, it was more rapid than the one in others species. Length growth rate of A. millepora in Gondol, Bali was more rapid (0.50 cm/month) than A. tenuis (0.43 cm/month), and others (0.21—0.39 cm/month). The mortality rate was 7.1% (3 colonies) from 42 colonies.

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APA

Johan, O., Hadie, W., Saputra, A., Hariyadi, J., & Listyanto, N. (2007). BUDI DAYA KARANG HIAS MENDUKUNG PERDAGANGAN KARANG HIAS YANG BERKESINAMBUNGAN. Jurnal Riset Akuakultur, 2(3), 415. https://doi.org/10.15578/jra.2.3.2007.415-424

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