Analisis Vegetasi Mangrove dan Keanekaragaman Jenis Ikandi Kawasan Mangrove Desa Lubuk Kertang Kecamatan Pangkalan Brandan Barat Kabupaten Langkat Sumatera Utara

Abstract

Mangrove ecosystem is one among of the several ecosystems that found in coastal areas. This mangrove in Lubuk Kertang Village is managed together by citizen to fufill the needs of their community. The research aims are to know the mangrove density, fish diversity, and the correlation of mangrove density to fish diversity. Research done by using Purposive Samping method with two week intervals for two months. Mangrove species that found at the research site consists of 10 species of the Rhizophora apiculata, Rhizophora stylosa, Avicennia alba, Avicennia lanata, Avicennia marina, Soneratia alba, Bruguiera sexangula, Acanthus ilicifolius, Excoecaria agallocha,dan Scyphiphora hydrophyllaceae. The kind of fish species that found in the research site consists of 16 species that belonged to the 5 orders, 15 families, 15 genera that was Gymnothorax tile, Epinephelus coioidae, Plotosus canius, Johnius trachycephalus, Valamugil engeli, Scatophagus argus, Carangoides praeustus, Gerres filomentosus, Lutjanus fulviflamma, Leiognathus equulus, Lutjanus johnii, Hemaloptera ocellata, Butis amboinensis, Batrachomoeus trispinosus, Bodianus izuensis, and Pomadasys argenteus. The diversity index is classified as moderate. Correlation coefficient (R) of 0.876 indicates that there is a very strong relation between mangrove density with fish diversity