若尔盖湿地高寒草甸退化过程中土壤有机碳含量变化及成因分析
董利军1, 李金花1,*(
), 陈珊1, 张瑞1, 孙建2, 马妙君1
), 陈珊1, 张瑞1, 孙建2, 马妙君1
Changes in soil organic carbon content and their causes during the degradation of alpine meadows in Zoigê Wetland
DONG Li-Jun1, LI Jin-Hua1,*(), CHEN Shan1, ZHANG Rui1, SUN Jian2, MA Miao-Jun1
), CHEN Shan1, ZHANG Rui1, SUN Jian2, MA Miao-Jun1
图2. 植物功能群(禾本科、莎草科、杂类草)重要值与退化梯度主成分分析(PCA)。AM, 高寒草甸; HD, 重度退化高寒草甸; SD, 轻度退化高寒草甸。
Fig. 2. Principal component analysis (PCA) of plant functional groups (grasses, sedges, and forbs) importance value and degradation gradient. AM, alpine meadow; HD, heavily degraded alpine meadow; SD, slightly degraded alpine meadow.
