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ECONOMIC VALUATION OF CORAL REEFS ECOSYSTEM OF BANGSRING, BANYUWANGI, INDONESIA Muhammad Arif Asadi; Anthon Andrimida
ECSOFiM (Economic and Social of Fisheries and Marine Journal) Vol 4, No 2 (2017): ECSOFiM April 2017
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.ecsofim.2017.004.02.04

Abstract

Coral reefs ecosystem of Bangsring provide both commercial and non-commercial goods and services. Local fishermen rely on reef fisheries while tourism activities have been growing in this area. Seeing that the economic benefits derived from coral reefs are vital to the economies of Bangsring communities, economic valuation of these benefits is necessary to guide sustainable and wise use of these resources and to provide useful information for improved decisions. The research was conducted between June 29and August 9 of 2015 aimed to estimate the total economic value (TEV) of coral reefs of Bangsring, Banyuwangi Regency, included passive use values and direct use values. The research was a participatory case study where primary and secondary data were collected using the purposive sampling technique. The study revealed that the estimated TEV of the coral reefs of Bangsring was IDR 41.6 billion per year or IDR 3.2 billion per hectare per year with tourism contributing 60 % or IDR 25 billion per year of the TEV. The healthy coral reefs of Bangsring support local communities and generate billions of rupiahs annually; therefore, it is critical to manage the coral reefs of Bangsring sustainably for current and future generations.
PERKEMBANGAN PENYAKIT KARANG HIAS KOLANG KALING KEMBANG (Catalaphyllia jardinei) OLEH CACING ACOEL FLATWORM (Waminoa sp.) DI PERAIRAN LAUT GILIMANUK, JEMBRANA BALI Dzikrillah Akbar; Muhammad Arif Asadi
JFMR (Journal of Fisheries and Marine Research) Vol 5, No 2 (2021): JFMR VOL 5 NO.2
Publisher : JFMR (Journal of Fisheries and Marine Research)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2021.005.02.12

Abstract

Terumbu karang adalah salah satu ekosistem yang kompleks, dimana komponen penyusun utama ekoisitem tersebut adalah karang keras. Indonesia merupakan salah satu wilayah Coral Triangle yang aktif melakukan ekspor karang hingga tahun 2017, namun pada pertengahan tahun 2018 ekspor karang hias telah dilarang. Perusahaan hanya mampu melakukan produksi (transplan) dan perawatan karang hias yang di budidaya. Karang kolang-kaling kembang atau elegance coral (Catalaphyllia jardineii) merupakan salah satu karang hias yang dibudidaya dengan kuota besar di area Bali karena memiliki nilai jual tinggi. Koloni cacing acoel flatworm bersifat parasit merambah pada sejumlah karang hias budidaya C. jardineii pada wilayah budidaya di perairan Gilimanuk, Jembrana Bali. Pengamatan perkembangan flatworm dilakukan selama dua kali dalam jeda waktu empat hari pada rak budidaya yang berisi koloni karang hias C. jardineii.  Presentase tutupan flatworm pada pengamatan pertama sebesar 42.76% dan pada pengamatan kedua naik dengan nilai presentase 46.84%. Hasil tersebut diduga akibat waktu kematangan usia, waktu penetasan telur yang cepat serta kesesuaian habitat acoel flatworm pada area pengamatan.