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cje ›› 2005, Vol. ›› Issue (1): 97-101.

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Determination of vegetation evaportranspiration by salt increment method

LUO Xinzheng1, SUN Guangyou 2   

  1. 1. College of Environmental and Material Engineering, Yantai University, Yantai 264005, China;
    2. Northeast Institute of Geography and Agri-Ecology, Chinese Academy of Sciences, Changchun 130012, China
  • Received:2003-10-03 Revised:2004-03-10 Online:2005-01-10

Abstract: Employing salt increment method,the evaportranspiration quantity of Leymus chinensis-Puccinellia tenuiflora-Tarxacum sinicum community at the Da'an Paleochannel test station in Songnen Plain was measured.The results showed that as a new method,salt increment method could determine the evaportranspiration of the plant community effectively.The daily evaporation decreased with the increasing vegetation coverage,while the daily transpiration increased with the vegetation coverage increase.As the increment of transpiration was more than the decreasingevaporation in the same period,the community evaportranspiration still increased with the increase of vegetation coverage.

Key words: Rice sheath blight, Niche, Niche breadth

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