Forest litters decomposition was an important process of nutrient cycling in forest ecosystems, and played a central role in soil organic matter formation and nutrients release.

凋落物分解是森林生态系统养分循环中的重要过程，对土壤有机质的形成和养分释放有重要意义。

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Ectomycorrhizal ( EcM) fungi form mutualistic symbioses with many tree species and are regarded as key organisms involved in nutrient and carbon cycling in forest ecosystems .

外生菌根真菌与很多植物形成互利共生关系， 在营养物质交换和碳循环等方面起着关键性的作用，是森林生态系统的重要组成部分。

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It is well known that earthworm can affect nutrient cycling in terrestrial ecosystems significantly through modifying soil physical, chemical and biological properties.

蚯蚓是陆地生态系统中最为重要的大型土壤动物，它们通过影响土壤物理、化学和生物学性质来影响土壤养分的循环与转化。

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