SOIL AS A FACTOR INFLUENCING THE MANGROVE FOREST COMMUNITIES IN TALIDENDANG BESAR, RIAU
AbstractOneÂ transect of 10 m x 900 m wasÂ constructed perpendicularÂ toÂ the sea edgeÂ to knowÂ the patternÂ ofmangrove forest communities from the sea edge through the inland area. Then, one sample plot of 50 m x 50 mwas established at each forest community to explore its vegetation structure and soil characteristics. The results show that in Talidendang Besar area, there are three mangrove forest communities stretchingfrom the sea edge to the inland, namely Bruguiera parviflora, B. sexangula and B. sexangula-Nypa fruticans.The soil factors such as pH.EC (electrical conductivity), % K, % Na, C-organic, N-total, NH4 (ammonia), andCECÂ (cation exchangeÂ capacity) wereÂ regardedÂ importantÂ inÂ influencingÂ theÂ pattern ofÂ the mangroveÂ forestcommunities.
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