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cje ›› 2005, Vol. ›› Issue (12): 1466-1470.

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Research progress on environmental and ecological functions of earthworm

HUANG Chulong1,2,3, ZHANG Xueping3   

  1. 1. Quanzhou Normal University, Quanzhou 362000, China;
    2. Northeast Institute of Geography and Agricultural Ecology, Chinese Academy of Sciences, Changchun 130012, China;
    3. Harbin Normal University, Harbin 150080, China
  • Received:2005-03-30 Revised:2005-09-16 Online:2005-12-10

Abstract: Earthworm plays an important role in promoting the activities of soil microbes and soil fauna,accelerating the fragmentation,digestion and decomposition of litters,improving soil fertility,and indicating environmental conditions.At present,its study in China is focused on polluted ecosystem rather than natural wetland and forest ecosystem.In foreign countries,the research items in 1970s were the same as our present studies,but in 1980s,the focus was on the different scales of physiological ecology,population ecology,community ecology,and ecosystem ecology.Since 1990s,the study has been widened to molecular ecology and landscape ecology.Henceforth,besides the studies mentioned before,more attention should be paid to improve the research precision by applying high-technological research methods,practicability by integrating the studies in laboratory and field,and comparing the environmental adaptability of special species of earthworms and their inoculations.

Key words: Populus simonii, tree age, photosynthetic, hydraulic trait.

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