%0 Journal Article
%T Effects of selective cutting on soil respiration in conifer/broad-leaved mixed forests in Xiao-xing''''anling<br>择伐对小兴安岭针阔叶混交林土壤呼吸的影响
%A MENG Chun
%A WANG Li-hai
%A SHEN Wei
%A <br>孟春
%A 王立海
%A 沈微
%J 应用生态学报
%D 2008
%I 
%X By using LI-8100 CO2 Flux Meter, the CO2 flux of soil surface and the temperature and moisture content at soil depth of 10 cm in conifer/broad-leaved mixed forests under different intensity of selective cutting in Dailing Forest Bureau of Heilongjiang Province were determined simultaneously from 2003 to 2007, with the changes of soil surface CO2 flux after selective cutting and their affecting factors studied. The results showed that the CO2 flux was correlated with soil temperature and moisture content, with a relatively high confidence ranged from 68% to 98%. Selective cutting increased the CO2 flux, with an average annual increment being from 7.17% to 26.89%. There was a significant quadratic correlation between soil surface CO2 flux and cutting intensity (R2 = 0.961). Soil organic matter content and cutting intensity were the main factors affecting the changes of soil surface CO2 flux after selective cutting.
%K 针阔叶混交林
%K 择伐
%K 土壤呼吸
%K 土壤温湿度
%K 有机质
%K 择伐作业
%K 小兴安岭
%K 针阔叶混交林
%K 土壤呼吸
%K 影响因子
%K conifer
%K soil
%K respiration
%K selective
%K cutting
%K Effects
%K forests
%K 含量
%K 土壤有机质
%K 二次相关
%K 地表面
%K 解释
%K 关系
%K 季节变化
%K 土壤温度
%K 结果
%K 影响因素
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=42FEDDFE54F8BCD9D5FD1926ABDD7722&aid=226B3228B11784089A664C123FFFF595&yid=67289AFF6305E306&vid=2A8D03AD8076A2E3&iid=E158A972A605785F&sid=B3AAD7DC3C912B50&eid=7F9B7E84827A650F&journal_id=1001-9332&journal_name=应用生态学报&referenced_num=0&reference_num=31