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Journal : BERITA BIOLOGI

PERSEBARAN DAN POLA KEPADATAN MOLUSKA DIHUTAN BAKAU Budiman, Arie
BERITA BIOLOGI Vol 9, No 4 (2009)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (801.691 KB) | DOI: 10.14203/beritabiologi.v9i4.2011

Abstract

Mangrove molluscs data collected from some mangrove forest in Indonesia (Sumatra, Kalimantan, Java, Mollucas, and Papua) are used in order to understand the mangrove molluscs distribution and pattern of species abundance. The results of the present study strongly suggest three models (or combination of them) of distribution, i.e. (1) molluscs (especially bivalve) only recruit into certain microhabitat, in wich they reach larger densities; (2) certain species of mollusc may recruit widely, but suffer increase mortality in certain microhabitats; and (3) molluscs(especialy for mobile animals, such as many gastropods) may actively move among macrohabitats, increasing local densities in some of those.The correlation between features of habitat and abundance of molluscs which can be described as preference are discussed.
PENYEBARAN KEONG DAN KEPITING HUTAN BAKAU WAI SEKAMPUNG, LAMPUNG BUDIMAN, ARIE; DJAJASASMITA, MACHFUDZ; SABAR, FEIZAL
BERITA BIOLOGI Vol 2, No 1 (1977)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v2i1.1386

Abstract

Beberapa pengamatan telah banyak dilakukan orang terhadap bermacam-macam aspek ekologi binatang yang ada di daerah hutan bakau, di antaranya tentang zonasi,penyebaran, kelimpahan(abundance),kepadatan (density) dan Iain-lain.Pengamatan yang serupa telah dilakukan terhadap jenis-jenis keong dan kepiting, dengan mengambil tempat di hutan bakau Wai Sekampung (Lampung)antara bulan Oktober - Nopember 1975.Hal ini perlu dilakukan mengingat akan adanya perubahan lingkungan di daerah tersebut,dengan dibukanya hutan bakau.guna usaha pertambakan dan permukiman.Hasil pengamatan ini akan merupakan data dasar bagi komposisi dan penyebaran keong dan kepiting yang ada, sehubungan dengan adanya perubahan lingkungan pada masa yang akan datang.