globalchange  > 气候减缓与适应
DOI: 10.1007/s10533-018-0519-x
WOS记录号: WOS:000454598000003
论文题名:
The response of soil respiration to climatic drivers in undrained forest and drained oil palm plantations in an Indonesian peatland
作者: Swails, E.1; Hertanti, D.2; Hergoualc'; h, K.2; Verchot, L.3; Lawrence, D.1
通讯作者: Swails, E.
刊名: BIOGEOCHEMISTRY
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2019
卷: 142, 期:1, 页码:37-51
语种: 英语
英文关键词: Indonesia ; Peat ; Land-use ; Oil palm ; Soil respiration ; Climate change
WOS关键词: SWAMP FOREST ; EL-NINO ; TROPICAL PEATLAND ; CO2 EMISSIONS ; ROOT ; VARIABILITY ; KALIMANTAN ; SUMATRA ; BALANCE ; FLUX
WOS学科分类: Environmental Sciences ; Geosciences, Multidisciplinary
WOS研究方向: Environmental Sciences & Ecology ; Geology
英文摘要:

To accurately quantify tropical peatlands' contribution to global greenhouse gas emissions, and to understand how emissions from peat may change in the future, long-term measurements over seasons and years are needed. Sampling soil respiration over a range of temperature and moisture conditions in the field is valuable for understanding how peat soil emissions may respond to climate change. We collected monthly measurements of total soil respiration, moisture and temperature from forest and smallholder oil palm plantations on peat in Central Kalimantan, Indonesia. Our study period, from January 2014 through September 2015, covered wet-dry transitions during 1year with relatively normal precipitation and one El Nino year. Oil palm plots, with lower water table, had 22% higher total soil respiration (0.71 +/- 0.04gCO(2)m(-2)h(-1)) than forest plots (0.58 +/- 0.04gCO(2)m(-2)h(-1)) over the entire monitoring period. However, during the El Nino event in September 2015, despite overall lower water table levels in oil palm plots, total soil respiration was higher in forest (1.24 +/- 0.20gCO(2)m(-2)h(-1)) than in oil palm (0.90 +/- 0.09gCO(2)m(-2)h(-1)). Land-use change continues to be an important driver of carbon dioxide (CO2) emissions from Indonesian peatlands. However, the stronger response of total soil respiration to extreme drought in forest indicates the potential importance of climate regime in determining future net carbon (C) emissions from these ecosystems. Future warming and increased intensity of seasonal drying may increase C emissions from Indonesian peatlands, regardless of land-use.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/126416
Appears in Collections:气候减缓与适应

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作者单位: 1.Univ Virginia, Dept Environm Sci, Charlottesville, VA 22903 USA
2.Jalan CIFOR, Ctr Int Forestry Res, Bogor 16115, Indonesia
3.Int Ctr Trop Agr, Km 17 Recta Cali Palmira,Apartado Aereo 6713, Cali 763537, Colombia

Recommended Citation:
Swails, E.,Hertanti, D.,Hergoualc',et al. The response of soil respiration to climatic drivers in undrained forest and drained oil palm plantations in an Indonesian peatland[J]. BIOGEOCHEMISTRY,2019-01-01,142(1):37-51
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