Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2009, Vol. 25 ›› Issue (14): 246-251.

Special Issue: 农业生态

• 生态农业科学 • Previous Articles     Next Articles

Recent advances in the interaction between invasive plants and belowground ecosystem

Zhang Guihua,, Peng Shaolin, Li Guangyi, Li Qinfen   

  • Received:2009-02-27 Revised:2009-04-10 Online:2009-07-20 Published:2009-07-20

Abstract: Abstract: The invasion of non-indigenous plants threatens the integrity of natural ecosystem and annually causes serious economic losses worldwide. Though several hypotheses have been proposed to explain the plant invasion, the mechanistic bases of the invasiveness of alien plants and invisibility of invaded communities are not well understood. For decades, the interactions of exotic plants with components of native ecosystem have focused on aboveground flora and fauna and neglected the interactions with belowground soil microbes and nutrient availability. With the development of biological invasion research, people have found soil microorganisms and nutrient cycling are closely connected with aboveground plant community and feedback exists among them. In this paper, we review some of recent research and ideas about the interaction between invasive plant species and underground ecological processes, concerning two aspects: (1) the interaction between invasive plants and soil microorganisms, approaches employed by exotic plants to invade successfully: degrading mutualism between native plants and soil microbe, affecting the structure and function of microbial community through allelopathy, escaping native soil-borne enemy, indirectly changing nutrient cycling with altered microbial community and the invasion facilitated by indigenous microbe. (2) the interaction between exotic plants and soil nutrient such as nitrogen (N), phosphate(P), potassium(K) and other nutrient elements. We propose that information gathered from previous research would have important implications for the restoration of native ecosystem.