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cje ›› 2004, Vol. ›› Issue (5): 126-133.

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Soil nitrogen transformation and cycling in forest ecosystem

CHEN Fusheng1,2, ZENG Dehui1, HE Xingyuan1   

  1. 1. Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China;
    2. raduate School of Chinese Academy of Sciences, Beijing 100039, China
  • Received:2003-12-24 Revised:2004-02-13 Online:2004-10-10

Abstract: Nitrogen transformation and cycling in forest soils are of signification importance to the function of forest ecosystems.In this paper,the research history and status were summarized.The processes of soil nitrogen input,interior transformation and output,including litter return,fertilization,atmosphere desposition,ammonification nitrogen fixation,ammonification,nitrification,denitrification,plant uptake,NH3 volatilization and NO3- leaching,were introduced.Finally,the tendency of study on soil nitrogen transformtion and cycling was concluded according to research methods,objects,objectives and contents.

Key words: Urban Forest, Structure and benefits, CITYgreen Model

CLC Number: