<![CDATA[This study aims to know the percent cover of mangrove and to assess the community structure. It was carried out in Gamtala village, Jailolo district, and west Halmahera regency, using line transect method with 10x10 m plot.. Data analysis covered the community structure and percent cover of mangrove canopy. This study found seven mangrove species, Bruguiera gymnorrhiza, Rhizophora apiculata, Sonneratia alba, Rhizophora mucronata, Avicennia alba, Bruguiera sexangula, dan Xylocarpus granatum. Based on Importance Value Index (IVI), Bruguiera gymnorhiza had the highest, 149.06, and Avcsennia alba did the lowest, 9.3507. In addition, Gamtala village had manrove percent cover of 72.11 %.Keywords: canopy, community structure, mangrove, Gamtala.ABSTRAKTujuan dari penelitian ini adalah untuk mengetahui persentasi tutupan mangrove dan menghitung struktur. Penelitian ini dilakukan di Desa Gamtala Kecamatan Jailolo Kabupaten Halmahera Barat. Penelitian ini menggunakan metode transek garis dengan 10x10 m plot. Penelitian ini menemukan tujuh spesies mangrove, yaitu Bruguiera gymnorrhiza, Rhizophora apiculata, Sonneratia alba, Rhizophora mucronata, Avicennia alba, Bruguiera sexangula, dan Xylocarpus granatum. Berdasarkan Indeks Nilai Penting, Bruguiera gymnorhiza memiliki nilai tertinggi, 149,06, dan Avcsennia alba memiliki nilai terendah 9,3507. Sebagai tambahan, desa Gamtala memiliki tutupan mangrove sebesar 72,11 %.Kata Kunci: kanopi, struktur komunitas, mangrove, Gamtala]]>
Copyrights © 2019
