STUDI KEANEKARAGAMAN DAN KEMELIMPAHAN UNDUR-UNDUR LAUT (Hippa spp.) DI PANTAI BATU TAMPIH KABUPATEN TABANAN

Abstract

Penelitian ini bertujuan untuk (1) mengetahui komposisi spesies Undur-undur laut (Hippa spp.) yang hidup di Pantai Batu Tampih Kabupaten Tabanan; (2) mengetahui besar indeks keanekaragaman Undur-undur laut (Hippa spp.) yang hidup di Pantai Batu Tampih Kabupaten Tabanan; (3) mengetahui kemelimpahan spesies Undur-undur laut (Hippa spp.) yang hidup di Pantai Batu Tampih Kabupaten Tabanan. Penelitian ini adalah penelitian deskriptif dengan desain penelitian lapangan yang kemudian dilanjutkan dengan penelitian laboratorium. Titik pengambilan sampel ditentukan secara sistematis di Pantai Batu Tampih pada pantai seluas 20 m2. Pengambilan data Undur-undur laut (Hippa spp.) menggunakan alat khusus yaitu sorok. Terdapat 42 individu Undur-undur laut (Hippa spp.) yang dapat dikelompokkan ke dalam 2 famili yang ditemukan di Pantai Batu Tampih Kabupaten Tabanan. Hasil penelitian menunjukkan bahwa : (1) Komposisi jenis Undur-undur laut (Hippa spp.) terdapat satu spesies yang menonjol yaitu Hippa adactyla, (2) Indeks diversita (H’) Undur-undur laut (Hippa spp.) di Pantai Batu Tampih Kabupaten Tabanan mencapai angka 0,4744. Angka tersebut menunjukkan bahwa indeks diversitas Undur-undur laut (Hippa spp.) di Pantai Batu Tampih Kabupaten Tabanan termasuk ke dalam kategori rendah, (3) Kemelimpahan relatif (KR) tertinggi Undur-undur laut (Hippa spp.) di Pantai Batu Tampih Kabupaten Tabanan adalah dari spesies Hippa adactyla sebesar 85,7143%.
Kata Kunci : Hippa spp., Keanekaragaman, Kemelimpahan, Pantai Batu Tampih

This research is aim to (1) know the composition of mole crab (Hippa spp.) species that live at Batu Tampih Beach in Tabanan Regency; (2) to know the index considerable of the variety of mole crab( Hippa spp.) that live at Batu Tampih Beach in Tabanan Regency; (3) to know the abudance of mole crab (Hippa spp.) that live at Batu Tampih Beach in Tabanan Regency. This reseach is a descriptive reseach that use field study design then continue with loratorium study. The sample of the study is determine throught the systematic way at Batu Tampih Beach, which has extensive around 20 m2. The data collection of mole crab (Hippa spp.) used a special tool called “sorok”. From that there are 42 individu of mole crab (Hippa spp.) that can be catagories into 2 family that the researcher found at Batu Tampih Beach in Tabanan Regency. The result of the research show: (1) based on the composition of mole crab (Hippa spp.) type there is a species that uppermost than other, Hippa adactyla. (2) indeks diversitas (H’) mole crab (Hippa spp.) at Batu Tampih Beach in Tabanan Regency reached 0,4744. That number shows, the indeks diversitas of mole crab (Hippa spp.) at Batu Tampih Beach in Tabanan belongs to low categories. (3) the higher relative abudance of mole crab (Hippa spp.) at Batu Tampih Beach in Tabanan Regency is Hippa adactyla 85,7143%.
keyword : Hippa spp., Variety, Abudance, Batu Tampih Beach