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      Distribusi Kima (Tridacnidae) berdasarkan Zona Geomorfologi Terumbu Hasil Benthic Terrain Modeler di Pulau Pamegaran

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      Date
      2022
      Author
      Boangmanalu, Ire Nia
      Agus, Syamsul Bahri
      Sunuddin, Adriani
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      Abstract
      Informasi zona geomorfologi terumbu yang diperoleh dari Benthic Terrain Modeler (BTM), dapat mendukung pengelolaan sumberdaya pesisir dan laut, misalnya persebaran spesies langka dan ciri habitat bentik. Oleh karena itu, tujuan penelitian ini adalah untuk memetakan sebaran kima yang mengacu pada zona geomorfologi di Pulau Pamegaran. Data batimetri sebagai input utama untuk BTM berasal dari citra SPOT-7 yang dianalisis menggunakan algoritma Stumpf, menghasilkan nilai RMSE sebesar 0,180 meter. Klasifikasi zona geomorfologi di Pulau Pamegaran menghasilkan empat kelas yaitu flats, crests, slopes, dan depressions. Dengan demikian, pengamatan lapangan terhadap empat spesies kima, yaitu Tridacna crocea, Tridacna maxima, Tridacna squamosa, dan Hippopus hippopus, telah mengungkapkan sebaran kima sebagian besar berada di Stasiun Tenggara dengan 31 individu. Zona flat merupakan habitat geomorfologi utama bagi kima, dan Dead Coral with Algae sebagai substrat bentik yang dominan. Kima di Pulau Pamegaran didominasi oleh Tridacna crocea (58 ind).
       
      Reef geomorphological zone information, derived from Benthic Terrain Modeler (BTM), can support the management of coastal and marine resources, for example distribution of vulnerable species and benthic habitat features. Thus, the study objective was to map giant clam distribution in refer to geomorphological zone in Pamegaran Island. Bathymetry data as the main input for BTM were derived from analyzed SPOT7 imagery using Stumpf algorithm, resulted in RMSE value of 0,180 meters. The classification of geomorphological zones in Pamegaran Island resulted in four classes: flats, crests, slopes, and depressions. Thus, field observation of four giant clam species, namely Tridacna crocea, Tridacna maxima, Tridacna squamosa, and Hippopus hippopus, had revealed giant clam distribution which mostly located at the Southeast Station with 31 individuals. Reef flat is the main geomorphic habitat for giant clam, and Dead Coral with Algae as the dominant feature of benthic substrate. Giant clam in Pamegaran Island was dominated by Tridacna crocea (58 ind).
       
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      http://repository.ipb.ac.id/handle/123456789/111599
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      • UT - Marine Science And Technology [2093]

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      Indonesia DSpace Group 
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