Abstract：
:CO2 release from forest soil is a key driver of carbon cycling between the soil and atmosphere ecosystem. The rate of CO2 released from soil was measured in three forest stands (in the mountainous region near Beijing, China) by the alkaline absorption method from 2004 to 2006. The rate of CO2 released did not differ among the three stands. The CO2 release rate ranged from - 341 to 1,193 mg m(-2) h(-1), and the mean value over all three forests and sampling times was 286 mg m(-2) h(-1). CO2 release was positively correlated with soil water content and the soil temperature. Diurnally, CO2 release was higher in the day than at night. Seasonally, CO2 release was highest in early autumn and lowest in winter; in winter, negative values of CO2 release suggested that CO2 was absorbed by soil.
journal_name
Environ Monit Assessjournal_title
Environmental monitoring and assessmentauthors
Sun XY,Gao CD,Zhang L,Li SY,Qiao Ydoi
10.1007/s10661-010-1505-5subject
Has Abstractpub_date
2011-04-01 00:00:00pages
193-200issue
1-4eissn
0167-6369issn
1573-2959journal_volume
175pub_type
杂志文章abstract：:Identifying areas that are susceptible to soil erosion is crucial for water resource planning and management efforts. Furthermore, modeling has proven helpful in recognizing and monitoring high-risk areas at the watershed scale. The Water Erosion Prediction Project (WEPP) geospatial interface (GeoWEPP) software integr...
journal_title：Environmental monitoring and assessment
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journal_title：Environmental monitoring and assessment
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journal_title：Environmental monitoring and assessment
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
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journal_title：Environmental monitoring and assessment
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journal_title：Environmental monitoring and assessment
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journal_title：Environmental monitoring and assessment
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更新日期：2015-04-01 00:00:00
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journal_title：Environmental monitoring and assessment
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journal_title：Environmental monitoring and assessment
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更新日期：2013-11-01 00:00:00
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journal_title：Environmental monitoring and assessment
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更新日期：2007-04-01 00:00:00
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journal_title：Environmental monitoring and assessment
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journal_title：Environmental monitoring and assessment
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journal_title：Environmental monitoring and assessment
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journal_title：Environmental monitoring and assessment
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journal_title：Environmental monitoring and assessment
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journal_title：Environmental monitoring and assessment
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journal_title：Environmental monitoring and assessment
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