文章基本信息

标题：Microcosmic Study on Heterotrophic CO2 Emission from Tropical Peat as Related to Water Table Modification
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作者：Dewi Lastuti ; Sabaruddin Kadir ; Dedik Budianta 等
期刊名称：Sriwijaya Journal of Environment
印刷版ISSN：2527-4961
电子版ISSN：2527-3809
出版年度：2016
卷号：1
期号：1
页码：5-9
DOI：10.22135/sje.2016.1.1.5-9
语种：English
出版社：Graduate Program Sriwijaya University
摘要：A microcosmic experiment was conducted to estimate CO2 emission from peat soils. Two treatments,peat humification levels (F = Fibric,H = Hemic,S = Sapric) and water levels (G0 = 10 cm;G1= 0 cm;G2 = -10 cm;G3 = -20 cm),were tested and arranged according to factorial randomized complete block design (RCBD) with 3 replicates. Current study revealed that CO2 emission was significantly affected (p<0.01) by peat humification levels and water levels. The sapric peat emitted significantly higher CO2 (696.69 b ± 43.95 mg CO2 g -1 peat d-1 ) than hemic (504.62 a ± 105.72 mg CO2 g -1 peat d-1 ) and fibric (492.56 a ± 90.69 mg CO2 g -1 peat d-1 ) peats. Decreases in water level shifted anaerobic condition into aerobic condition,causing significant increases in CO2 emission. Regardless of peat humification levels,CO2 emission and water table depth in current study showed a nonlinear relationship. It seems that a threshold water tables for enhanced CO2 emissions was within the range of -10 to -20 cm below peat surface..
其他摘要：Tujuan percobaan skala mikrokosm ini adalah untuk estimasi emisi CO2 dari tanah gambut. Pengaruh 2 (dua) perlakuan,yaitu tingkat humifikasi gambut (F = Fibrik,H = Hemik,S = Saprik) dan tinggi muka air (G0 = 10 cm;G1= 0 cm;G2 = -10 cm;G3 = -20 cm),disusun
关键词：microcosmic;peat;humification;CO2 emission
其他关键词：mikrokosm;gambut;humifikasi;emisi CO2