Carbon Sequestration Effects of Shrublands in Three-North Shelterbelt Forest Region, China  

作　　者：LIU Wenhui ZHU Jiaojun JIA Quanquan ZHENG Xiao LI Junsheng LOU Xuedong HU Lile 

机构地区：[1]State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences [2]Institute of Applied Ecology,Chinese Academy of Sciences [3]Key Laboratory of Forest Cultivation, Department of Forest Sciences, Beijing Forestry University

出　　处：《Chinese Geographical Science》2014年第4期444-453,共10页中国地理科学（英文版）

基　　金：Under the auspices of Strategic Priority Research Program of Chinese Academy of Sciences(No.XDA05060400)

摘　　要：Three-North Shelterbelt Forest （TSF） program, is one of six key forestry programs and has a 73-year construction period, from 1978 to 2050. Quantitative analysis of the carbon sequestration of shrubs in this region is important for understanding the overall function of carbon sequestration of the forest and other terrestrial ecosystems in China. This study investigated the distribution area of shrubland in the TSF region based on remote sensing images in 1978 and 2008, and calculated the carbon density of shrubland in combination with the field investigation and previous data from published papers. The carbon sequestration quantity and rate from 1978 to 2008 was analyzed for four sub-regions and different types of shrubs in the TSF region. The results revealed that： 1） The area of shrubland in the study area and its four sub-regions increased during the past thirty years. The area of shrubland for the whole region in 2008 was 1.2 × 10^7 ha, 72.8% larger than that in 1978. The Inner Mongolia-Xinjiang Sub-region was the largest shrubland distribution area, while the highest coverage rate was found in the North China Sub-region. 2） In decreasing order of their carbon sequestration, the four types of shrubs considered in this study were Hippophae rhamnoides, Caragana spp., Haloxylon ammodendron and Vitex negundo vat. heterophylla. The carbon sequestration of/-/, rhamnoides, with a maximum mean carbon density of 16.5 Mg C/ha, was significantly higher than that of the other three species. 3） The total carbon sequestration of shrubland in the study region was 4.5 x 107 Mg C with a mean annual carbon sequestration of 1.5× 10^6 Mg C. The carbon density in the four sub-regions decreased in the following order： the Loess Plateau Sub-region, the North China Sub-region, the Northeast China Sub-region and the Inner Mongolia-Xinjiang Sub-region. The paucity of studies and data availability on the large-scale carbon sequestration of shrub species suggests this study provides a baseline reference for future resear三北方的防风林福雷斯特(TSF ) 节目，是六个关键林地节目之一并且有一个 73 年的构造时期，从 1978 ～ 2050。在这个区域的灌木的碳隐遁的定量分析为在中国理解森林和另外的陆上的生态系统的碳隐遁的全面功能是重要的。这研究在 1978 和 2008 基于遥感图象在 TSF 区域调查了 shrubland 的分发区域，并且从出版报纸与领域调查和以前的数据在联合计算了 shrubland 的碳密度。从 1978 ～ 2008 的碳隐遁数量和率在 TSF 区域为四个分区和灌木的不同类型被分析。结果揭示了那：1 ) 在学习区域和它的四个分区的 shrubland 的区域在过去的三十年期间增加了。为在 2008 的整个区域的 shrubland 的区域是为 25 恢复了年的 1.2 tation。实验在 Yanan 城市里在 Yangjuangou 集水被进行， Shaanxi 省，中国。二个邻近的斜坡为这研究被选择。六个样品地点是 spaced 到沿着山斜坡的脚趾斜坡的从顶点的每 3545 m，和每个样品地点包含了三个采样阴谋。土壤在表面土壤层( 010 厘米和 1020 厘米)的器官的碳和相关物理化学的性质基于土壤采样和实验室分析被测量，并且土壤二氧化碳(公司<潜水艇class=“ a-plus-plus ”> 2 </sub>)排出物和环境因素同时在一样的样品地点被测量。结果显示一般来说，一张更高的土壤碳股票被发现在里面吗？

关 键 词：BIOMASS biomass density carbon density carbon sequestration carbon sequestration rate carbon storage Three-NorthShelterbelt Forest （TSF） 

分 类 号：S718.5[农业科学—林学]