Litter fall dynamics 枯落物凋落动力
litter fall 凋落物 ; 凋落物量
litter-fall floor 枯落物层
litter fall collection 凋落叶收集
The carbon concentration of the litter varied with the components of litter-fall, the order was as follow: needle leaf > fallen fruit > other detritus > fallen twig.
杉木人工林年凋落物各组分中的碳含量存在一定的差异，按凋落物各组分中碳含量的高低顺序排列为：针叶＞落果＞碎屑＞枯枝。
参考来源 - 杉木人工林土壤碳贮量及形成机理的初步研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The study on the same kind of forest type distributing in different regions showed that the litter-fall in low latitude is always larger than that in higher latitude.
对不同地点的同一林型的研究表明，分布在纬度低的地区森林年凋落量通常大于分布在纬度高的地区。
By investigating many forest types in 4 different areas, we found that there are great differences in litter-fall in these areas which are influenced by geographical locations and forest types.
对4个地区一些典型林型凋落物进行研究表明森林年凋落量受地理位置和森林群落类型影响而存在明显差异。
His strange habit makes sense when you consider that he's an environmental scientist who studies how to reduce litter, including things that fall off garbage trucks as they drive down the road.
他是一位研究如何减少垃圾的环境科学家，其中包括研究减少垃圾车行驶时掉下来的东西，当你考虑到这一点，自然就能明白他为什么会养成这种奇怪的习惯了。
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