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首页> 外文期刊>Edaphologia >Does litterfall of a vine species Freycinetia formosana Hemsley change soil fauna, nitrogen dynamics through litter decomposition processes, and microbial biomass nitrogen in the soil in a subtropical forest, Iriomote Island, southwestern Japan?
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Does litterfall of a vine species Freycinetia formosana Hemsley change soil fauna, nitrogen dynamics through litter decomposition processes, and microbial biomass nitrogen in the soil in a subtropical forest, Iriomote Island, southwestern Japan?

机译：在日本西南部的西表岛，亚热带森林中，藤本植物Freycinetia formosana Hemsley的凋落物是否会改变土壤动物，通过凋落物分解过程产生的氮动态以及土壤中的微生物生物量氮？

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摘要

To determine effects of litterfall of a vine species Freycinetia formosana Hemsley on soil ecosystems, we measured the mass of litter accumulating on the ground surface, and examined the effects of litter accumulation on the number of soil fauna individuals, the nitrogen dynamics through the litter decomposition processes, and the microbial biomass N in the soil, using an enclosure experiment. We found that this vine which attaches to trees increased the mass of total litter 1.5-fold, and doubled theamount of leaf litter on the ground surface at the bases of trees with the vine. The increase in accumulated litter affected the number of soil animal individuals and increased both the decompositional rate of litter of Castanopsis sieboldii and the release of N from leaf litter C. sieboldii. However, it did not influence the microbial biomass N in the soil.
机译：为了确定藤本植物Freycinetia formosana Hemsley凋落物对土壤生态系统的影响，我们测量了地面上堆积的凋落物质量，并研究了凋落物积累对土壤动物个体数量的影响，以及通过凋落物分解产生的氮动态封闭实验，分析土壤中的微生物生物量氮。我们发现，这种附着在树木上的藤本植物使总凋落物的质量增加了1.5倍，并使树底葡萄在地面上的凋落物的数量增加了一倍。累积凋落物的增加影响了土壤动物个体的数量，并提高了锥栗的凋落物的分解速率和叶凋落物C. sieboldii的氮释放。但是，它不会影响土壤中的微生物生物量氮。

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