The Suitability of Seaweed Cultivation with Geographic Information Systems on Lembeh Island

The purpose of this study is to find the suitability seaweed cultivation land on Lembeh Island and its surroundings. data collection technique in was divided into several events, namely primary collection, where implementation carried out field such as conducting a ground check from results analysis. In addition, there are also secondary that generally come local government related study. study, type used as: protection, basic substrate, temperature, pH, current, depth, MPT, DO, salinity, phosphates, nitrates. Based these data, interpolation will be which aims predict grid values not represented by sample points. Inverse Distance Weighting (IDW). percentage waters Bitung City has 2 categories. Unsuitable (N) 41%, for Category Suitable (S1), highly recommended zone cultivation, 59%. very suitable area an still classified safe sea transportation activities City.