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cje ›› 2005, Vol. ›› Issue (11): 1308-1313.

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Effects of anthropogenic factors on dissolved organic matter in terrestrial ecosystem:A review

LU Ping, YANG Linzhang   

  1. Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
  • Received:2005-03-24 Revised:2005-05-10 Online:2005-11-10

Abstract: Dissolved organic matter(DOM) and water-extractable organic matter(WEOM) are the main components of soil solution and involve in many soil processes,though they only account for a small part of soil organic matter.This review introduced the definitions of DOM and WEOM,their research methodology,and their dynamics under effects of land use and management practices,especially in forest-and agro-ecosystem.Many researches were focused on DOC,while the studies on DON and DOP were quite few.Forest land had a larger DOM/WEOM concentration than grassland and farmland,and the effects of land use changes on DOM/WEOM mainly depended on the changed land use pattern.The effects of management practices on DOM/WEOM were usually of short-term and inconsistent.

Key words: Pine growth potential, Monochamus alternatus, Population density, Pathogenicity, Bursaphlenchus xyloophilus, Correlation coefficient

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