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All Journal JURNAL PERIKANAN DAN KELAUTAN TROPIS
Jety K Rangan
Fakultas Perikanan dan Ilmu Kelautan, Universitas Sam Ratulangi, Manado, Sulawesi Utara
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management

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KOMUNITAS VEGETASI HUTAN MANGROVE DI DESA WORI KABUPATEN MINAHASA Rangan, Jety K
JURNAL PERIKANAN DAN KELAUTAN TROPIS Vol 6, No 1 (2010)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (95.226 KB) | DOI: 10.35800/jpkt.6.1.2010.119

Abstract

Hutan mangrove merupakan ekosistem khas pesisir yang dipengaruhi oleh pasang surut. Vegetasi mangrove ini merupakan salah satu potensi sumberdaya alam yang produktif. Penggunaan areal mangrove untuk berbagai kepentingan seperti lahan pertanian, pertambakan udang dan ikan, pengusahaan hutan dan pemukiman terjadi hampir di seluruh Indonesia, seringkali pemanfaatannya tidak terkontrol dan peranan hutan mangrove dalam rangkaian system ekologisnya diabaikan. Adapun tujuan penelitian ini untuk menggambarkan komunitas hutan mangrove dengan melihat komposisi spesies, kerapatan, dan keanekaragaman spesies. Dalam pengambilan sampel menggunakan metode transek . Dari kegiatan penelitian ini diperoleh empat spesies mangrove yang tersebar di tiga stasiun pengamatan masing-masing Avicennia marina, Bruguiera gymnorrhyza, Rhizophora stylosa dan Sonneratia alba.
INVENTARISASI GASTROPODA DI LANTAI HUTAN MANGROVE DESA RAP-RAP KABUPATEN MINAHASA SELATAN SULAWESI UTARA Rangan, Jety K
JURNAL PERIKANAN DAN KELAUTAN TROPIS Vol 6, No 1 (2010)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (319.276 KB) | DOI: 10.35800/jpkt.6.1.2010.163

Abstract

The mangrove forest is a transitional ecosystem between land and sea.  As a transition area between land and sea, mangrove forest ecosystems have environmental properties of a sharp gradient.  Tides can result in changes in several environmental factors, mainly temperature and salinity.  One type of animal that can tolerate these environmental changes are of a group of mollusks.  The purpose of this study was to identify the types of mollusks (Gastropoda) found on the floor of Mangrove Forest, using transects squares drawn perpendicular from the shoreline mangrove cutting edge.  From this research activity gastropods found in the floor of mangrove forest-Rap Rap village consists of five phyla, and nine species, namely: Family Cerithiidae, namely Cerithium cobelty and Clypeomorus coralium.  Family Littorinidae are Littoraria scabra, family Muricidae are Chicoreus capucinus, and morula margariticola Drupella rugosa, from the family of Nassarius Nassariidae Potamididae margaritifer and family, namely Telescopium telescopium and Terebralia sulcata.
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