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  Global Journal of Environmental Science and Technology 2011, 1: 14
  Review Article
 
Pollution ecology of terrestrial ecosystems: Pollution-ecological processes and ecotoxicological effects
  Qixing Zhoua,b, Jing Ana  
     
a Key laboratory of Terrestrial Ecological Process, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
b Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education), College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China

   
  Abstract  
  This review summarizes and presents an overview of the current research state of the pollution ecology of terrestrial ecosystems, as well as the potential future development trends in research on terrestrial contamination and its ecotoxicological effects. With an increase in pollution problems of terrestrial ecosystems, significant attention has been focused on the persistence of toxic chemicals and their pollution-ecological processes in terrestrial ecosystems, as well as the ecotoxicological effects of these toxic chemicals on terrestrial organisms, especially relating to human health. However, pollution-ecological research of terrestrial ecosystems has a great challenge due to their complexity. Varieties of pollutants including organic pollutants, inorganic pollutants and biological pollutants enter into the terrestrial ecosystem through many approaches, such as industrial release, agricultural runoff and domestic waste discharge. The toxic chemicals are not immobile in soils. Some of them are absorbed and accumulated by terrestrial organisms, some are transferred into surface and ground water, and some are degraded by the edaphon. Whether the toxic chemicals move to other environmental media or remained in soils, they can induce ecotoxicological effects on the target or non-target organisms. Besides the acute and chronic toxic tests, the molecular ecotoxicological test is an important approach to the development trends in the field of pollution ecology of terrestrial ecosystems, because it can detect ecotoxicological effects more sensitive, precise and rigorous.
     
  Keywords  
  Terrestrial ecosystem; Pollution ecology; Pollution-ecological processes; Ecotoxicological effect  
     
   
   
   
   
     

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