ANALISIS DAYA DUKUNG (CARRYING CAPACITY) PERAIRAN DALAM PENGELOLAAN PENGINAPAN LAUT (STILTED OVERWATER ACCOMMODATION) DI PULAU DERAWAN
Derawan Island remains a popular destination in East Kalimantan, but its coastal ecosystem, especially coral reefs and sea grass, are very vulnerable. The purpose of this study was to check the quality of seawater and the environmental carrying capacity around marine accommodation on Derawan Island. Samples were taken at eleven monitoring points, bith during high and low tide. The parameters analysed included temperature salinity, , brightness, dissolved oxygen (DO), total suspended solid (TSS), ammonia, orto-phoshate, and oil and fat. The results showed that TSS was stable at a low of 0,0115 mg/L, meaning that sediment from human activities was very minimal. Ammonia was slightly higher during the low tide phase at 0,0022-0,0023 mg/L, possibly due to accumulated organic water, but still below the quality standard limit. Phosphate remained consistent at 0.0011 mg/L and mostly came from natural processes, while oil and fat fluctuated between 0,0002-0,0011 mg/L, with some point having an influence from human activities. The Sea Water Quality Index (IKAL) was recorded at 81.16-95-.93 percent, categorized as good to very good, with TSS as the main determinant. In terms of carrying capacity, the assimilation capacity of the waters is still adequate, although routine monitoring of phosphate and ammonia remains important to prevent eutrophication and accumulation of organic pollutans