Advance in the Study of the Nitrogen Input Process of Wetland Ecology System
2006
The nitrogen input process of wetland ecology system mainly includes atmospheric nitrogen deposition,biological nitrogen fixation and nitrogen input caused by human activities and runoff,etc.They decide the progress of nitrogen biogeochemical process by affecting the nutrition status of wetland system.This paper firstly summarizes the advance in the research on each nitrogen input approach.Then it analyzes the issues existed in current research,and points that,in particular,the study of freshwater mire wetland is very weak.Finally,it forecasts the prosperous study of the nitrogen input process,and points that,we should have the study of freshwater mire wetland,the environmental effects of nitrogen exchanging,the integration of ~(15)N technique and nitrogen model and the model token of each nitrogen input approach actively other than strengthen the current research.
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