BIODIVERSITAS GASTROPODA EPIFAUNA EPIFAUNA DI KAWASAN MANGROVE PERAIRAN BONTOLEBANG KABUPATEN KEPULAUAN SELAYAR SULAWESI SELATAN

ABSTRAK\ud Penelitian tentang Biodiversitas Gastropoda epifauna di daerah Mangrove Perairan Gusung, Desa Bontolebang, Kec.Bontoharu, Kab. Kep. Selayar, Sulawesi Selatan, telah dilakukan pada bulan September-Oktober 2013. Tujuan dari penelitian ini adalah untuk mengetahui keanekaragaman jenis gastropoda Epifauna di Perairan Bontolebang. Pengamatan dilakukan pada 6 stasiun yang terdiri dari 6 ulangan. Pengambilan sampel gastropoda dilakukan dengan plot menggunakan plot berukuran 2 x 2 m. Masing-masing titik sampling berjarak 10 m. Pada setiap titik sampling dilakukan 1 kali pengambilan sampel gastropoda secara acak sistematis. Analisis indeks ekologi meliputi: keanekaragaman jenis, keseragaman, dominansi dan pola penyebaran. Hasil penelitian menunjukkan bahwa terdapat 5 jenis gastropoda yang tergolong dalam 3 suku. Spesies gastropoda didominasi oleh Littorina scabra dengan kepadatan 325 ind/m2. Hasil analisis data menunjukkan indeks keanekaragaman tergolong rendah di tiap-tiap stasiun, berkisar antara 0,02-0,12. Nilai indeks ekologi menunjukkan kestabilan komunitas di perairan Bontolebang tergolong rendah dengan kondisi perairan terganggu.\ud \ud Kata kunci : Biodiversitas Gastropoda Epifauna, Kawasan Mangrove, Perairan Bontolebang. \ud \ud ABSTRACT\ud Research on Biodiversity of Gastropoda epifauna in the Mangrove Waters Gusung, Village Bontolebang, Kec.Bontoharu, Kab. Kep. Selayar, South Sulawesi, was conducted in September-October, 2013. The purpose of this study was to determine the species diversity in the gastropod Epifauna Bontolebang waters. Observations were made on 6 stations consisting of 6 replicates. Sampling was done gastropods using plots measuring 2 x 2 m. Each sampling point is 10 m. At each sampling point 1 times random sampling systematic gastropods. Analysis of ecological indices include: diversity, uniformity, dominance and dispersal patterns. The results showed that there are 5 types of gastropods are classified into 3 parts. Gastropod species Littorina scabra dominated by the density of 325 ind / m 2. The results of the analysis of the data showed relatively low diversity index at each station, ranging from 0.02 to 0.12. Ecological value of the index indicates stability in the community is low Bontolebang waters with waters impaired condition.\ud \ud \ud Keywords: Biodiversity of Gastropoda Epifauna, mangrove areas, Aquatic Bontolebang