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Carbon Storage Potential of Rubber Plantations in the Mount Makiling Forest Reserve ASEAN Heritage Park, Philippines
L.A. Castillo - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Carbon Storage Potential of Rubber Plantations in the Mount Makiling Forest Reserve ASEAN Heritage Park, Philippines
ผู้แต่ง / หัวหน้าโครงการ (EN): L.A. Castillo
บทคัดย่อ (EN): Rubber tree (Hevea brasiliensis (HBK.) Muell.-Arg.) is considered one of the most important tree species not only because of its profitability to agro-industrial ventures but also its potential for carbon storage to mitigate climate change. This paper aimed to establish a baseline to understand the present carbon stock of rubber trees which is also crucial in the long-term monitoring of carbon sequestration potential of Mount Makiling as a forest reserve and as an ASEAN Heritage Park. Inventory and mapping of rubber trees is on-going at Boot area within the Molawin Dampalit watershed of the Mount Makiling Forest Reserve. To date, a total area of 7.38 hectares (about 30% of the total area) was covered and recorded 2,436 rubber trees with a minimum diameter at breast height (DBH) of 5.0cm and maximum DBH of 107.0cm. Diameter class 5.0-10.0 recorded the highest number of rubber trees at 1,232 while diameter classes 10.1-20.0cm, 20.1-30.0cm, 30.1-40.0cm, 40.1-50.0cm, 50.1- 60.0 cm and 60.1cm and above showed 671, 247, 137, 89, 38 and 22 trees, respectively. Above ground biomass (AGB) and carbon stock estimate was calculated following Brown’s allometric equation (1997). Initial results reveal an estimated AGB of 815.16 tons and a carbon stock of 366.82 tons based on the default value of 45% in determining the carbon stored in tree biomass. Among the seven (7) diameter classes, diameter class 40.1-50.0cm recorded the highest number of AGB at 180.51 tons followed by 60.1cm and above (158.17 tons), 30.1-40.0cm (146.61 tons), 50.1-60.0cm (128.40 tons), 20.1-30.0cm (110.81 tons), 10.1-20.0 (67.98 tons) and 5.0-10.0cm with least AGB at 22.68 tons. The results suggest that the optimum size for rubber for carbon sequestration is within the diameter range 40.1-50.0cm. Based on the initial results of AGB, rubber trees contribute about 15% of the total carbon storage of Mount Makiling. These findings are also comparable with forest tree and agroforest plantations suggesting that there is a greater potential for rubber trees in enhancing land-based carbon stocks while benefiting on its latex production as source of livelihood of farmers and serving as carbon sink as well.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เผยแพร่โดย (EN): การยางแห่งประเทศไทย
คำสำคัญ (EN): Mount Makiling Forest Reserve
เจ้าของลิขสิทธิ์ (EN): การยางแห่งประเทศไทย
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Carbon Storage Potential of Rubber Plantations in the Mount Makiling Forest Reserve ASEAN Heritage Park, Philippines
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