求翻译：凋落物的分解过程是有机质重量及养分元素随时间变化的动态过程，它受多种生态因子的影响，归纳起来可分为生物因素和非生物因素两大类。生物因素主要指森林凋落物所含有机质的种类及含量，另外土壤动物和微生物活动在森林凋落物分解中也起着重要作用。非生物因素有温度、湿度、土壤特性等都与凋落物分解有重要关系。近年来，随着全球环境变化，人们对全球变暖、大气CO2浓度升高、UV-B辐射增强和酸沉降等对凋落物的分解影响作了大量研究。是什么意思？

Litter decomposition of organic matter and nutrient elements weight the dynamic process of change over time, it is subject to a variety of ecological factors influence can be summed up into non-biological factors and biological factors into two categories. Biological factors of forest litter types a

Fall is the process of organic matter decomposition weight and nutrient elements of dynamic change over time, it is subject to a process of ecological factors affecting summed it up, and can be divided into biological factors and non-biological factors two categories. biological factors primarily fa

Withers and falls the decomposition process is the organic matter weight and the nutrient element along with the time variation dynamic process, it many kinds of ecological factor influence, is induced may divide into the biotic factor and the non-biotic factor two big kinds.The biotic factor mainly

Weight is the process of litter decomposition of organic matter and nutrient element dynamic process of change over time, it is supported by a variety of effects of ecological factors, can be summarized in biological factors and can be divided into two broad categories of non-biological factors. Mai

Litter decomposition of organic matter and nutrient elements weight the dynamic process of change over time, it is subject to a variety of ecological factors influence can be summed up into non-biological factors and biological factors into two categories. Biological factors of forest litter types a