Studi keanekaragaman kepiting (Scylla Sp.) di Hutan Bakau Teluk Bogam Kecamatan Kumai Kabupaten Kotawaringinbarat

Yuliana, Wiwik (2017) Studi keanekaragaman kepiting (Scylla Sp.) di Hutan Bakau Teluk Bogam Kecamatan Kumai Kabupaten Kotawaringinbarat. Undergraduate thesis, IAIN Palangka Raya.

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Abstract

Hutan Bakau Teluk Bogam Kecamatan Kumai Kabupaten Kotawaringin Barat, memiliki potensi sumber daya alam yang melimpah. Berdasarkan hasil wawancara dengan salah satu nelayan dinyatakan bahwa terdapat beberapa jenis kepiting di Hutan Bakau Teluk Bogam. Penelitian ini bertujuan untukmengetahui spesies kepiting yang terdapat di kawasan Hutan Bakau Teluk Bogam Kecamatan Kumai Kabupaten Kotawaringin Barat, mengetahui jeniskepiting dan tingkat keanekaragaman kepiting yang terdapat di kawasan Hutan Bakau Teluk Bogam Kecamatan Kumai Kabupaten Kotawaringin Barat.
Penelitian ini menggunakan metode deskriptif kuantitatif eksporatif, pengambilan data yaitu menggunakan metode pencuplikan dan menghitung jumlah kepiting yang di temukan. Teknik penentuan wilayah pada penelitian ini menggunakan teknik Purposive Sampling (sampel bertujuan). Data yang didapat selanjutnya dianalisis menggunakan rumus Indeks Keanekaragaman. Alat yang digunakan untuk menangkap kepiting adalah bubu.
Hasil penelitian ditemukan 4 jenis kepiting spesies yaitu Scylla olivacea, Parathelphusa convexa, Uca forcipata, dan Perisesarma darwinesis. Dari analisis menggunakan rumus didapat IKR (Indeks Kerapatan Relatif) spesies Scylla olivaceapada stasiun I adalah 24,31%, sedangkan di stasiun II 25,68%.Spesies Parathelphusa convexapada stasiun I adalah 21,56%, sedangkan di stasiun II 9,17%.spesies Uca forcipata pada stasiun I adalah 9,17%, sedangkan di stasiun II 6,42%.Sedangkan spesies Perisesarma darwinesispada stasiun I adalah 2,29%, sedangkan di stasiun II 1,37%. Tingkat keanekaragaman pada kepiting tergolong rendah karena jumlah pada stasiun I dan 2 H’ ≤ 1 yaitu H’ ≤ 0,96. Hal tersebut dikarenakan benayak aktivitas penduduk yang mengambil kepiting secara terus-menerus untuk dijual maupun di ekspor.

ABSTRACT

Mangrove forest has a very broad waters, one of them is Mangrove Forest Bogam cove in Kumai Subdistrict West Kotawaringin Regency, this regionhas of the potential natural resources are abundant. Based on the interviews result with one of the fishermen researchers stated that there are several kinds of crabs in the Mangrove Forest Bogam cove. This study aimed to determine the species of crabs that were found in theMangrove Forest Bogam cove in Kumai Subdistrict West Kotawaringin Regency, knowing the type of crabs and the level of diversity crabs that were found in the Mangrove Forest Bogam cove in Kumai Subdistrict West Kotawaringin Regency.
This research used quantitative descriptive eksporatif method, data collection usedsampling methods and counting the number of crabs were found. Zoning technique in this study used purposive sampling technique. The result data then analyzed using the formula DiversityIndex. The tools used to catch crabs were traps.
The research result found four species is Scylla olivacea, Parathelphusa convexa, Uca forcipata, and Perisesarma darwinesis. From the analysis obtained using the formula IKR (Index of Relative Density) Scylla olivacea species on the station I was 24.31%, while at the station II 25.68%. Convexa parathelphusa species on the station I was 21.56%, while at the station II 9.17%. Uca forcipata species the station I was 9.17%, while at the station II 6.42%. While Perisesarma darwinesis species the station I was 2.29%, while at the station II 1.37%. This study found the most abundance of crab species was Scylla olivacea, and at least was on species Perisesarma darwinesis. The level of diversity crabs is low due to the number of stations I and 2 H '≤ 1 is H' ≤ 0.96. This is due to the activity of residents who take crabs continuously for sale or in export.

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