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      • Research Journal :: Jurnal Ilmu Pertanian Indonesia
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      Pendugaan biomasa karbon di atas tanah pada tegakan Rhizophora Mucronata di Ciasem, Purwakarta

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      Date
      2010
      Author
      Dharmawan, I Wayan Susi
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      Abstract
      Indonesia has a lot of potential natural forests, whether still intact or logged forest. High concentration of CO2 in atmosphere is one of the factors which cause global climate change in the world. Development and maintenance of forest vegetation such as mangrove forest is one of waysreducingatmosphereRhizophora mucronata sthat has high ability of carbon sequestration. In this research, carbon estimation in above ground biomass stand was conducted. The research was implemented at BKPH Ciasem, KPH Purwakarta, Perum Perhutani Unit III Jawa Barat and Banten. From the destructive sampling activity in the field the following allometric models was obtained for above ground biomass Y = 0,1466(DBH)2,3136 (R2=0,936). Stand of Rhizophora mucronata at BKPH Ciasem had potency of above ground biomass and above ground carbon content of 77.2 ton/ha and 38.6 ton/ha, respectively. Related with above ground biomass, the uptake of CO2 and uptake of average CO2 of Rhizophora mucronata were 141.5 ton/ha and 0.251 ton/tree.
       
      Indonesia memiliki banyak potensi hutan, baik itu yang masih utuh maupun sudah ditebang. Tingginya kandungan karbondioksida (CO2) di atmosfer merupakan salah satu 50elati penyebab terjadinya perubahan iklim dunia. Penyerapan karbondioksida melalui berbagai vegetasi hutan, salah satunya di hutan mangrove merupakan bentuk upaya penurunan kandungan gas karbondioksida dari atmosfer. Rhizophora mucronata sebagai salah satu jenis pohon pada tegakan mangrove memiliki potensi penambatan karbondioksida yang cukup besar. Kegiatan penelitian pendugaan biomasa karbon di atas tanah telah dilakukan di BKPH (Bagian Kesatuan Pemangkuan Hutan) Ciasem, KPH (Kesatuan Pemangkuan Hutan) Purwakarta, Perum Perhutani Unit III – Jawa Barat dan Banten. Setelah melakukan kegiatan sampling merusak pohon di lapangan, diperoleh persamaan allometrik kandungan biomasa di atas tanah (Y) sebagai berikut Y = 0,1466(DBH)2,3136 (R2=0,936). Tegakan R. mucronata di BKPH Ciasem memiliki potensi kandungan biomasa di atas tanah sebesar 77,2 ton/ha dan kandungan karbon di atas tanah sebesar 38,6 ton/ha. Terkait dengan biomasa di atas tanah, nilai serapan CO2 tegakan R. mucronata adalah 141,5 ton/ha dengan nilai serapan CO2 rata-rata 0,251 ton/ pohon.
       
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      http://repository.ipb.ac.id/handle/123456789/71526
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      • Research Journal :: Jurnal Ilmu Pertanian Indonesia [151]

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      Indonesia DSpace Group 
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