CARBON DIOXIDE EMISSIONS FROM FROND DECOMPOSITION IN OIL PALM PLANTATIONS ON TROPICAL PEAT

被引：0
|
作者：
Wakhid, Nur [1 ]
Hirano, Takashi [2 ]
机构：
[1] Natl Res & Innovat Agcy, Res Ctr Ecol & Ethnobiol, Cibinong 16911, Bogor, Indonesia
[2] Hokkaido Univ, Res Fac Agr, Sapporo, Hokkaido 0608589, Japan
来源：
JOURNAL OF OIL PALM RESEARCH | 2023年 / 35卷 / 03期
关键词：
industrial plantation; mature plantation; palm litter; smallholder plantation; PEATLANDS; STORAGE; EXTENT; ROOT;
D O I：
10.21894/jopr.2022.0067
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
Up to now, many studies have been trying to reveal the impact of oil palm plantations on tropical peat on the global carbon (C) balance. Although there are some publications on soil respiration in oil palm plantations on peat soil, information on carbon dioxide (CO2) emissions from palm litter (pruned fronds) decomposition is limited. Therefore, we quantified the CO2 emissions through frond decomposition in two different mature oil palm plantations established on peat, an industrial plantation in Riau and a smallholder plantation in Jambi, Indonesia. Frond decomposition was measured using a litter bag method and the decomposition rate constant was determined using a negative exponential equation. Annual CO2 emissions from frond decomposition were estimated at 1.48 and 1.12 Mg C ha(-1) yr(-1), respectively, in industrial and smallholder plantations. As a result, CO2 emissions from frond decomposition accounted for 10%-14% of heterotrophic respiration from mature oil palm plantations on tropical peat.
引用
收藏
页码：538 / 542
页数：5
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