Chin J Plant Ecol

   

Litter decomposition and its influencing mechanisms

Bing-Rui JIA   

  1. State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences
  • Received:2019-04-29 Revised:2019-08-26 Online:2019-09-30 Published:2019-09-30
  • Contact: Bing-Rui JIA

Abstract: In order to understand the research progress of litter decomposition and its controlling mechanisms, this paper presented bibliometric analysis of litter decomposition in China from 1986 to 2018 based on the four common literature databases, including CNKI, ISI Web of Science, ScienceDirect and Springer Link. Litter decomposition researches are mainly from forest ecosystems (65%), and focus on above-ground litter, thus, the studies on below-ground litter decomposition should be strengthened in the future. Single litter is usually as study object (about 68%), which couldn’t represent the natural decomposition characteristics due to the mixture effects. Besides carbon, nitrogen and phosphorus, we should pay more attention to other key chemical components related with decomposition (e.g. K, Fe, Mn, lignin, tannin, etc.) and the heavy metal elements related with environmental pollution. Meanwhile, ecological stoichiometry is an effective method to interlink the biogeochemical cycle in the plant-litter-soil system. Nitrogen deposition and climate change are hot issues in the field of litter decomposition, especially the interactions of multiple factors (e.g. nitrogen, phosphorus, etc.), and temperature sensitivity of litter decomposition and underlying mechanisms in permafrost under climate warming background.

Key words: litter decomposition, China, bibliometrics, stoichiometry

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