Abstract:Soil nitrogen mineralization in forest ecosystems is one of the most important indicators for normal ecosystem functions.Based on the wesults of many studies conducted since 1980‘s,we concluded that soil temperature and soil moisture are the most important factors among all which affect nitrogen mineralizations.These factors are in three groups i.e.,(1)the environmental factors,(2)the quality of litter,and (3)soil animals and microbes.The researches on the relationships between the nitrogen availability,ni...