The seasonal variations in the number of bacteria, actinomyces and fungi in the soils and forest litters collected from Mt. Dinghushan and Mt. Jianfengling were studied.
研究海南岛尖峰岭和广东鼎湖山两样地采集的土壤样品及森林凋落物样品中细菌、放线菌和真菌三类微生物数量的季节动态变化。
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。
After different thinning measures were taken in the 40-year-old nature secondary forest mainly made of oaks, fixed samples were collected to study characteristics of litters.
对近40年生以柞树为主的天然次生林采取不同抚育间伐措施后，定位研究林分凋落物的性质。
Charred wood litters a partially cleared area in the Gifford Pinchot National Forest along Washington state's Cascade Range.
沿着华盛顿州的卡斯·卡达山脉有着吉福品彻国家森林，图为森林中一处散落着烧焦的木头的空地。
Charred wood litters a partially cleared area in the Gifford Pinchot National Forest along Washington state's Cascade Range.
沿着华盛顿州的卡斯·卡达山脉有着吉福品彻国家森林，图为森林中一处散落着烧焦的木头的空地。
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