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      Sebaran Lokasi Peneluran Penyu Sisik (Eretmochelys imbricata) di Taman Nasional Kepulauan Seribu

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      Date
      2024-03-04
      Author
      Atmodjo, Taqwimy Dwirandy
      Imran, Zulhamsyah
      Samosir, Agustinus Mangaratua
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      Abstract
      Populasi penyu sisik berpotensi mengalami penurunan 80% sejak dua dekade lalu dan masuk dalam kategori ‘Critically Endangered (CR)’ pada daftar IUCN. Penelitian ini bertujuan menginventarisasi sebaran lokasi peneluran penyu sisik, mengeksplorasi karakteristik habitat dan faktor yang mempengaruhi kegiatan peneluran penyu sisik di Taman Nasional Kepulauan Seribu. Penelitian dilakukan pada bulan Maret 2023 hingga Juni 2023 dengan survei lapangan pada ketiga seksi pengelolaan di Taman Nasional Kepulauan Seribu. Pengambilan titik lokasi menggunakan metode survei deskriptif analitik. Berdasarkan hasil penelitian ditemukan bahwa vegetasi yang mendominasi adalah jenis rumput Ischaemum muticum dan cemara Casuarina equisetifolia. Kemiringan pantai di setiap pulau yang dikunjungi berkisar 4,1º-5,4º. Fraksi pasir didominansi kategori sedang dan halus dengan ukuran 0,2 mm – 1 mm. Terjadi perubahan pola titik sebaran peneluran penyu sisik di Taman Nasional Kepulauan Seribu setiap tahunnya. Ditemukan lima pulau peneluran yakni Yu Barat, Yu Timur, Peteloran Timur, Pramuka, dan Kayu Angin Bira. Sebanyak 7 dari 10 sarang yang ditemukan terletak pada wilayah zona inti yang memiliki karakteristik cukup sesuai bagi penyu sisik untuk melakukan peneluran. Kegiatan pariwisata di sekitar Taman Nasional kepulauan Seribu memiliki pengaruh yang nyata terhadap kegiatan peneluran penyu sisik yang ada di kawasan ini.
       
      The population of hawksbill turtles potentially declined by 80% two decades ago, categorizing them as 'Critically Endangered (CR)' on the IUCN list. This research aims to inventory the distribution of hawksbill turtle nesting locations, explore changes in habitat characteristics and determine influencing factors hawksbill turtle nesting activities in Thousand Islands National Park. Research period takes place from March 2023 to June 2023, involving field surveys in three management sections in Thousand Islands National Park. The location points retrieval using analytical descriptive survey method. Results of the study, the dominating vegetation was Ischaemum muticum and Casuarina equisetifolia. The slope of the beach on each visited island ranges from 4,1º-5,4º. The sand fraction is dominated by medium and fine categories with a size of 0,2 mm – 1 mm. Each year the pattern of distribution points of turtles nesting has not been changed dramatically in Thousand Islands National Park. Ten nests in five nesting islands were founded: West Yu, East Yu, East Peteloran, Pramuka, and Kayu Angin Bira. Seven out of ten nests were in the core zone, where the habitat was more decent. Tourism activities were suspected to have a negative impact on turtle nesting activities in this region.
       
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      http://repository.ipb.ac.id/handle/123456789/140839
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      • UT - Aquatic Resources Management [2679]

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      Indonesia DSpace Group 
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