Identifikasi model hubungan persen berat ukuran butiran dan stok karbon pada lapisan sedimen di ekosistem mangrove di Kota Tidore Kepulauan

Anggita Yuniasari Hamzah, Irmalita Tahir, Salnuddin Salnuddin, Rustam E Paembonan

Abstract


Ekosistem mangrove memiliki peran penting dalam menyimpan karbon dan menjaga keseimbangan lingkungan pesisir terutama pada wilayah kawasan hutan mangrove yang terbatas. Penelitian bertujuan untuk mengetahui model hubungan persen berat ukuran butiran sedimen dan stok karbon pada kawasan hutan mangrove di Kelurahan Rum Balibunga, Kota Tidore Kepulauan. Hasil analisis data disimpulkan bahwa model persamaan polynomial memberikan nilai akurasi yang lebih tinggi untuk menjelaskan hubungan persen ukuran butiran sedimen dan kadar stok karbon. Persen berat ukuran butiran 0,075 mm memberikan hubungan yang lebih baik (MAPE < 50%) pada lapisan anoksid, dibandingkan dengan lapisan oksid. Terdapat 5 nilai parameter stok karbon memberikan hubungan persen ukuran butiran dan stokkarbon dengan nilai akurasi tinggi (MAPE < 10 %) yaitu pada parameter % bahan organik (%BO), % karbon, densitas C (gr/cm3), kandungan C (gr/cm3) dan berat abu bersih (gr).

Kata kunci : Sedimen, stok karbon, mangrove, MAPE,


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DOI: https://doi.org/10.33387/jikk.v7i2.9586

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Address : Marine Science Study Program, Faculty of Fisheries and Marine Science - Khairun University, Ternate, North Maluku, Indonesia