ESTIMASI SERAPAN KARBON PADA HUTAN MANGROVE DESA BEDONO, DEMAK, JAWA TENGAH

  • Azzahra F
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Abstract

Abstrak Kadar karbondioksida (CO2) di alam semakin bertambah seiring dengan berkembangnya peradaban manusia. Disisi lain, hutan mangrove dapat menyerap dan menyimpan karbon dalam jumlah yang besar dan waktu yang lama, sehingga mampu berperan dalam mitigasi perubahan iklim. Tujuan dari penelitian ini adalah mengetahui kandungan karbon yang ada pada tegakan, sedimen, dan serasah daun mangrove serta tingkat penyerapan CO2. Penelitian ini dilaksanakan pada November 2019 di kawasan ekosistem hutan mangrove Desa Bedono, Sayung, Demak. Metode yang digunakan dalam pengambilan sampel adalah metode purposive sampling di 4 stasiun dengan total titik sampling 12. Analisis karbon menggunakan persamaan allometrik untuk menghitung simpanan karbon pada tegakan, kemudian untuk sedimen dan serasah daun menggunakan metode Loss on Ignition (LOI). Hasil yang diperoleh yaitu ditemukan 2 jenis mangrove pada lokasi penelitian yaitu Avicennia marina, dan Rhizopora mucronata. Nilai kerapatan jenis masing-masing spesies yaitu 4875 indv/ha, dan 200 indv/ha. Persentase penutupan rata-rata sebesar 76,94%. Kandungan karbon yang ada pada tegakan, sedimen, dan serasah daun mangrove masing-masing yaitu mangrove sebesar 190,257 ton karbon/ha, 480,608 ton carbon/ha, dan 0,00165 ton carbon/ha /hari. Abstract Carbon dioxide (CO2) levels in nature are increasing along with the development of human civilization. Mangrove forests can absorb and store carbon in large quantities and a long time so that it can become a strategy in mitigating climate change. The purpose of this research is to calculate biomass and carbon stock in stand, sediments, and mangrove leaf litter; know the supporting factors of mangrove ecosystem sustainability. This research was carried out November 2019 in the area of mangrove forest ecosystems in the Bedono Village, Demak. The method used in sampling is the purposive sampling method at 4 stations with a total sampling point of 12. Carbon analysis uses allometric equations to calculate carbon deposits in stands, sediments and leaf litter using the Loss on Ignition (LOI) method. The results obtained are found 2 types of mangroves at the study site, Avicennia marina, and Rhizopora mucronata. The species density value of each species is 4875 indv / ha, and 200 indv / ha. The percentage of closure averaged 76.94%. The carbon content in mangrove stands, sediments, and litter of mangrove leaves are 190,257 tons / ha, 480,608 tons / ha, and 0,00165 tons / ha / day, respectively.

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Azzahra, F. (2020). ESTIMASI SERAPAN KARBON PADA HUTAN MANGROVE DESA BEDONO, DEMAK, JAWA TENGAH. JFMR-Journal of Fisheries and Marine Research, 4(2), 308–315. https://doi.org/10.21776/ub.jfmr.2020.004.02.15

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