浙江省土壤有机碳密度与储量的初步研究  

The density and storage of soil organic carbon in Zhejiang Province

作　　者：安玲玲[1,2] 吕晓男[2] 麻万诸[2] 任周桥[2] 邓勋飞[2] 陈晓佳[2] 

机构地区：[1]浙江农林大学环境与资源学院,浙江杭州311300 [2]浙江省农业科学院数字农业研究所,浙江杭州310021

出　　处：《浙江农业学报》2014年第1期148-153,共6页Acta Agriculturae Zhejiangensis

基　　金：科技基础性工作专项(2008FY110600);中科院战略性先导科技专项(XDA05050503)

摘　　要：为正确评价土壤在陆地生态系统碳循环以及全球变化中的作用，运用土壤类型法和GIS估算法对2009-2012年间所采集的145个土壤剖面调查资料进行分析，对土壤类型法与GIS估算法的优劣进行比较，并系统研究了浙江省土壤碳库。结果表明，浙江省陆地土壤碳库约为0.81～0.83 Pg，平均碳密度约为8.08～8.37 · m^-2，不同类型土壤的有机碳密度差异较大。浙江省土壤有机碳密度以金衢盆地至台温沿海的东南向条带状区域为低值中心，并沿向北、向西、向南3个方向增加。Soil is the core of terrestrial ecosystem .Investigations into soil carbon （ C） pool would clarify the role of soil in terrestrial ecosystem C cycle and global change .In the present study , 145 soil profile data collected from 2009 to 2012 were analyzed by soil type and GIS method to estimate the soil C pool in Zhejiang Province .The total amount of soil organic carbon （ SOC） in Zhejiang Province was about 0.81-0.83 Pg, and the average soil carbon density was 8.08-8.37 kg· m^-2 .The SOC density varied within soil types .The lowest SOC density was shown as a south-east strip from Jinqu Basin to Taizhou-Wenzhou costal area , and the SOC density increased gradually outward to the north, west and south.Finally, the advantages and disadvantages of soiltype and GIS-estimation method in SOC eval-uation were compared .

关 键 词：浙江省 土壤有机碳密度 有机碳储量 

分 类 号：S159.2[农业科学—土壤学]