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凋落物去除和添加处理对典型草原生态系统碳通量的影响
张素彦1,2,蒋红志2,王扬2,张艳杰1,鲁顺保1,2,*(),白永飞2
Effects of litter removal and addition on ecosystem carbon fluxes in a typical steppe
ZHANG Su-Yan1,2,JIANG Hong-Zhi2,WANG Yang2,ZHANG Yan-Jie1,LU Shun-Bao1,2,*(),BAI Yong-Fei2

图5. 凋落物去除和添加两种群落生态系统总初级生产力(GEP)、生态系统呼吸(ER)和净生态系统CO2交换(NEE)与土壤温度的相关性分析。Control, 对照; -50%, 凋落物去除50%; -100%, 凋落物去除100%。+50%, 凋落物添加50%; +100%, 凋落物添加100%。

Fig. 5. Correlation analysis of the two communitiess of net ecosystem CO2 exchange (NEE), ecosystem respiration (ER) and gross ecosystem productivity (GEP) and soil temperature under litter removal and addition treatments. -50%, litter removal of 50%; -100%, litter removal of 100%; +50%, 50% litter addition; +100%, 100% litter addition.