中国农业科学院农业信息研究所 中国农学会
Agricultural Information Institute of CAAS China Association of Agricultural Science Societies
En
Ch
中国农业科学院农业信息研究所 中国农学会 主办

AI检索

订阅

返回顶部
当前位置: 首页 > 文章 > 我国亚热带毛竹林CO_2通量的变异特征 应用生态学报 2013,24 (10) 2717-2724
Position: Home > Articles > Variation characteristics of CO_2 flux in Phyllostachys edulis forest ecosystem in subtropical region of China Chinese Journal of Applied Ecology 2013,24 (10) 2717-2724

我国亚热带毛竹林CO_2通量的变异特征

作  者：
孙成;江洪;周国模;杨爽;陈云飞
单  位：
浙江农林大学浙江省森林生态系统碳循环与固碳减排重点实验室;南京大学国际地球系统科学研究所
关键词：
涡度相关;CO2通量;净生态系统交换量;碳汇;毛竹林
摘  要：
2010年12月至2011年11月,利用涡度相关技术研究了我国亚热带(浙江)毛竹林生态系统的CO2通量,分析了毛竹林净生态系统交换量(NEE)、生态系统呼吸量(RE)和生态系统总交换量(GEE)的变化.结果表明:研究期间,毛竹林各月的NEE均为负值,7月最大,为-99.33 g C·m-2,11月最小,仅-23.49 g C·m-2,其变化曲线呈双峰型.各月CO2通量平均日变化差异明显,9月最大,为-0.60 g CO2·m-2·s-1,1月最小,为-0.30 g CO2·m-2·s-1,且在NEE正负转换的时间点上呈明显的季节变化特征;全年RE呈单峰型变化,夏季最高、冬季最低,夜间RE与土壤温度呈极显著正相关.全年NEE、RE和GEE分别为-668.40、932.55和-1600.95 g C·m-2·a-1,NEE占GEE的41.8%.与其他生态系统相比,毛竹林的固碳能力极强.
译  名：
Variation characteristics of CO_2 flux in Phyllostachys edulis forest ecosystem in subtropical region of China
作  者：
SUN Cheng;JIANG Hong;ZHOU Guo-mo;YANG Shuang;CHEN Yun-fei;Zhejiang Provincial Key Laboratory of Carbon Cycling in Forest Ecosystems and Carbon Sequestration,Zhejiang Agriculture and Forestry University;International Institute for Earth System Science,Nanjing University;
关键词：
eddy covariance;;CO2 flux;;net ecosystem exchange;;carbon sink;;Phyllostachys edulis forest
摘  要：
By using eddy covariance technique,this paper studied the CO 2 flux in a Phyllostachys edulis forest ecosystem with high-efficiency management in Zhejiang Province of China from December,2010 to November,2011,and analyzed the variations of net ecosystem exchange(NEE),ecosystem respiration(RE),and gross ecosystem exchange(GEE).During the study period,the monthly NEE was always negative,with the maximum(-99.33 g C·m-2) in July and the minimum(-23.49 g C·m-2) in November,and the seasonal change showed a bimodal shape.The average diurnal change of the monthly CO 2 flux varied greatly from-0.30 g CO 2 ·m-2·s-1(January) to-0.60 g CO 2 ·m-2·s-1(September).The NEE at the time point of positive and negative conversion had obvious seasonal characteristics.The yearly RE changed in unimodal shape,with the maximum in summer and the minimum in winter.The RE at nighttime had significant negative correlation with soil temperature.The yearly NEE,RE,and GEE were-668.40,932.55,and-1600.95 g C·m-2·a-1,respectively,among which,the NEE occupied 41.8% of the GEE.As compared with other ecosystems,P.edulis forest ecosystem had a strong capability in carbon sequestration.

相似文章

导出引用
计量
文章访问数: 20
HTML全文浏览量: 0
PDF下载量: 0

所属期刊

推荐期刊

友情链接Friendly link
农业信息研究所Agricultural information institute 农业智能知识服务平台Agricultural intelligent knowledge service platform 农业学术服务平台Agricultural Knowledge Service System 中国知网CNKI 维普网VIP 万方WANFANG DATA
联系我们Contact us

电话Tell：010-82109652-808

邮箱E-mail：agrijournal@caas.cn

服务Service
关于我们About us 意见建议Opinions and suggest
版权说明Copyright
单位：中国农业科学院农业信息研究所 中国农学会 © 2017中国农业科学院农业信息研究所 ICP备案号：京ICP备09089781号-46