Kajian Ekologi Mangrove di Desa Bagan Deli Kecamatan Medan Belawan Sumatera Utara

Abstract

Mangrove ecosystem is a natural resources that was influenced by the tides. Bagan Deli Village still has a natural mangrove ecosystem. Mangrove in Bagan Deli Village has long been used by the local community as a source of livelihood especially mangrove forest logging for aquaculture. This research was aimed to know the ecological condition, condition of the mangrove waters and marine biota diversity associated with mangrove vegetation. This research is done in February 2016 till April 2016. This research is done with a Purposive Random Sampling method by taking and observing of biotic components which was mangrove vegetation and density of marine biota and the measurement of water quality parameters. Data analysis included analysis of mangrove vegetation, analysis of morfometri leaves, analysis of biotic, analysis of water quality and analysis of substrate. There are 7 kinds of mangrove which found in the research location, namely Avicennia alba, Avicennia lanata, Achantus ilicifikus, Bruguiera sexangula, Kandelia candal ,Avicennia marina dan Nypafruticans. Based the decision of environment minister number 201/2004, the mangrove density in all of stations included in category very solid and the mangrove cover included in category rarely. The kind of mangrove substarate at this research is loam, silty loam, clay, clay loam and sand loam. Observations density of marine organism was also made at each station to see weather or not the organism at each station