雨林
垃圾箱
热带
植物凋落物
生态系统
生态学
热带雨林
丰度(生态学)
陆地生态系统
土壤水分
土壤生物学
动物群
生物
农学
农林复合经营
环境科学
土壤碳
作者
Zheng Zhou,Jing‐Zhong Lu,Jooris Preiser,Rahayu Widyastuti,Stefan Scheu,Anton Potapov
摘要
Abstract Belowground life relies on plant litter, while its linkage to living roots had long been understudied, and remains unknown in the tropics. Here, we analysed the response of 30 soil animal groups to root trenching and litter removal in rainforest and plantations in Sumatra, and found that roots are similarly important to soil fauna as litter. Trenching effects were stronger in soil than in litter, with an overall decrease in animal abundance in rainforest by 42% and in plantations by 30%. Litter removal little affected animals in soil, but decreased the total abundance by 60% in rainforest and rubber plantations but not in oil palm plantations. Litter and root effects on animal group abundances were explained by body size or vertical distribution. Our study quantifies principle carbon pathways in soil food webs under tropical land use, providing the basis for mechanistic modelling and ecosystem‐friendly management of tropical soils.
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