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生态学杂志 ›› 2011, Vol. 30 ›› Issue (06): 1258-1264.

• 综述与专论 • 上一篇    下一篇

凋落物分解对土壤生物的影响

许湘琴1,林植华1,2,陈慧丽1**   

  1. 1杭州师范大学环境与生命科学学院, 杭州 310036;2丽水学院化学与生命科学学院, 浙江丽水 323000
  • 出版日期:2011-06-08 发布日期:2011-06-08

Effects of litter composition on soil organisms: A review.

XU Xiang-qin1, LIN Zhi-hua1,2, CHEN Hui-li1**   

  1. 1The College of Environmental and Life Science, Hangzhou Normal University, Hangzhou 310036, China;2School of Chemistry and Life Sciences, Lishui University, Lishui 323000, Zhejiang, China
  • Online:2011-06-08 Published:2011-06-08

摘要: 凋落物分解是生态系统物质循环和能量流动的重要环节,而土壤生物是凋落物分解的主要完成者。大量研究分析了土壤生物在凋落物分解中的作用,然而有关凋落物分解对土壤生物影响的研究则相对较少,致使我们对凋落物分解和土壤生物的相互作用了解依然不够深入。本文综述了凋落物对土壤微生物和土壤动物的影响,并进一步探讨了其影响机制。凋落物对土壤微生物的影响与凋落物类型或组成、在土壤中的掩埋位置及其破碎化程度紧密相关;大多数研究表明凋落物对土壤动物群落结构有明显影响;凋落物对土壤生物的影响主要通过直接改变土壤生物的食源和生境。今后需要加强跨区域长期定位实验研究,注重整合研究凋落物分解和生态系统过程,深入研究凋落物分解与土壤生物的相互作用机制。

Abstract: Litter decomposition is a key process of nutrient cycle and energy flow in ecosystems, while soil microorganism and soil fauna are the main executants of litter decomposition. There are many studies addressed on the roles of soil organisms in litter decomposition, but the studies on the effects of litter decomposition on soil organisms are relatively scarce, and  the interactions between litter decomposition and soil organisms remain largely unclear. This paper briefly reviewed the studies on the effects of litter decomposition on soil microorganism and soil fauna, and discussed the key underlying mechanisms. The effects of litter decomposition on soil microorganism not only depend on litter properties (type or composition) and litter’s fragmentation degree, but also relate to the litter’s buried location. Many studies indicated that litter decomposition had remarkable effects on the community structure of soil fauna, and these effects were mainly from the alternations of soil organisms’ food source and habitat. It was proposed that the future research should focus on the long-term experimental studies across regions, integrated research on litter decomposition and ecosystem processes, and affecting mechanisms of litter decomposition on soil organisms.

Key words: Quercus mongolica community, Leaf size spectra, Leaf edge