One of land use change impacts in the downstream
Abstract. Yuanike, Yulianda F, Bengen DG, Dahuri R, Souhoka J. 2019. A biodiversity assessment of hard corals in dive spots within Dampier Straits Marine Protected Area in Raja Ampat, West Papua, Indonesia. Biodiversitas 20: 1198-1207. Hard coral dominates coral reef ecosystems and has important functions and interactions in communities of marine biota. The structure and diversity of hard coral communities is very important to quantify, especially for the management of coral reef ecosystems. The purpose of this research is to identify the diversity of hard coral types, and quantify the condition of hard coral and their distributions in 10 marine stations in Dampier Straits Marine Protected Areas, Raja Ampat. The research method used was line intercept transects measured at two depths, 3 m and 6 m. The results showed there were 141 hard coral species included in 16 families. The percentage live cover of hard coral was in good conditions with an overall average coverage value of 64,24%. The biodiversity index (H) ranged from 0,84-1,23, the evenness index of species ranged from 0,73-0,94, and the species dominance index ranged from 0,05-0,25, indicating a high biodiversity and a lack of dominance by a single species. Although cover was slightly higher at 3m depth, diversity was slightly higher at 6m depth. In general, the 10 research stations in Dampier Straits has hard coral in good condition and the diversity of hard coral species is very productive and has stable growth compared with other sites in Indonesia.
Pengelolaan perikanan dengan pendekatan ekosistem (Ecosystem Approach to Fisheries Management - EAFM) merupakan pilihan yang tepat dalam mencapai tujuan pengelolaan perikanan skala kecil yang berkelanjutan. Penelitian ini penting untuk menilai status pengelolaan perikanan skala kecil dan menyusun strategi perbaikan pengelolaan menuju pada pengelolaan perikanan skala kecil yang berkelanjutan dengan pendekatan ekosistem di Kabupaten Rote Ndao. Penelitian dilakukan pada 11 desa/kelurahan di Kabupaten Rote Ndao, Provinsi Nusa Tenggara Timur. Pengumpulan data dilakukan dengan teknik wawancara, pengambilan contoh ikan dan pengukuran hasil tangkapan ikan, mengacu pada metode penilaian indikator EAFM yang mencakup 30 indikator dari enam domain. Pengelolaan perikanan skala kecil di Kabupaten Rote Ndao berdasarkan hasil penilaian terhadap seluruh domain EAFM diperoleh nilai komposit berkisar 30,0 – 63,6 dengan nilai rata-rata 52,4. Nilai tersebut mengindikasikan bahwa status pengelolaan perikanan skala kecil di Kabupaten Rote Ndao secara umum tergolong dalam kategori sedang. Hasil penilaian menurut domain EAFM menunjukan bahwa domain ekonomi tergolong dalam kategori buruk, sedangkan domain sumberdaya ikan, habitat dan ekosistem, teknologi penangkapan ikan, sosial, dan kelembagaan tergolong dalam kategori sedang. Hasil ini menunjukan bahwa pengelolaan perikanan skala kecil di Kabupaten Rote Ndao belum dikelola dengan baik dengan menerapkan prinsip-prinsip keberlanjutan berdasarkan indikator EAFM. Peningkatan domain ekonomi yang terfokus pada indikator pendapatan rumah tangga perikanan dan rasio tabungan menjadi prioritas utama dalam upaya perbaikan pengelolaan perikanan skala kecil di Kabupaten Rote Ndao.Title: Strategy of Ecosystem Approach to Small-Scale Fisheries Management in Rote Ndao District, East Nusa TenggaraEcosystem approach to fisheries management (EAFM) is an effective method to manage sustainable small-scale fisheries. This research aims to evaluate the current status of small-scale fisheries management using EAFM indicators as well as to establish the development strategies of sustainable small-scale fisheries using ecosystem approach in Rote Ndao. The study was conducted in 11 villages in Rote Ndao District, East Nusa Tenggara Province. Data were collected through interviews, fish sampling and measuring referring to EAFM analysis covering 30 indicators grouped into 6 domains. The EAFM analysis generates a composite value ranged between 30,0 – 63,6 with an average value of 52.4. This number indicated that the condition status of the small scale fisheries in Rote Ndao was generally in moderate category. Economic domain is in poor category, while the other domains is in moderate category (fish resource, habitat and ecosystem, fishing technology, social and institution) These findings suggested that small-scale fisheries management in Rote Ndao has not been managed optimally based on sustainable principles in EAFM. Improvement in the economic domain focusing on indicators of fisheries household income and saving ratio were the main priorities for the improvement of small-scale fisheries management in Rote Ndao district
ABSTRAKEfisiensi ekonomi sering kali hanya diukur dari aspek produksi, dan kurang memperhatikan segi non-produksi seperti biaya transaksi. Dalam usaha penangkapan ikan skala kecil, banyak sekali pengeluaran di luar biaya produksi yang ditanggung oleh nelayan. Pengeluaran ini disadari atau tidak telah meng urangi tingkat penerimaan dari usaha penangkapan ikan skala kecil. Penelitian ini dilakukan untuk mengidentifikasi dan menghitung komponen biaya transaksi pada usaha penangkapan ikan skala kecil di Kabupaten Cilacap, serta mengukur dan menganalisis pengaruh biaya transaksi terhadap efisiensi ekonomi usaha. Penelitian dilakukan dengan metode survai dan menggunakan analisis deskriptif. Hasil penelitian menunjukan bahwa komponen biaya transaksi terbesar adalah raman dari hasil tangkapan yang dilelang pada Tempat Pelelangan Ikan berkisar antara 45 % dari total biaya transaksi yang dikeluarkan. Rasio biaya transaksi terhadap penerimaan yang diperoleh nelayan skala kecil menunjukkan bahwa setiap penerimaan Rp 100 maka sebesar Rp 26 dinikmati oleh pihak lain walaupun sebagian dari biaya transaksi tersebut juga ada yang kembali kepada nelayan untuk mendukung kegiatan produksi. Kata Kunci: biaya transaksi, rasio biaya transaksi dan penerimaan ABSTRACT
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