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东北地区大秃顶子山土壤-微生物-胞外酶C:N:P 化学计量特征沿海拔梯度的变化
殷爽,王传宽,金鹰,周正虎()
Changes in soil-microbe-exoenzyme C:N:P stoichiometry along an altitudinal gradient in Mt. Datudingzi, Northeast China
YIN Shuang,WANG Chuan-Kuan,JIN Ying,ZHOU Zheng-Hu()

图5. 年平均气温和土壤C储量与海拔之间线性关系斜率的相关性。数据来源于Tashi等(2016)的全球整合分析。空心三角为本研究中的斜率。空心圆为异常值。图中斜率代表海拔每升高1 km土壤C储量(kg·m-2)的变化程度。

Fig. 5. Relationship between mean annual temperature and the slope of linear relationship between soil C storage and altitude. The data is from the global meta-analysis of Tashi et al. (2016). The open triangle is the slope from the current study. The open circle is the outlier. The slope stands for the change in soil C storage (kg·m-2) per km increase in elevation.