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Advances on research of pyrogenic carbon in forests.

HUANG Wen-tao1,2, HU Yuan-man1, CHANG Yu1*, LIU Miao1, ZHANG Hong-xin3, ZHANG Wei3#br#   

  1. (1Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China; 2 University of Chinese Academy of Sciences, Beijing 100049, China; 3Investigation and Design Office of Huzhong Forest Department, Jiagedaqi 165036, Inner Mongolia, China).
  • Online:2017-11-10 Published:2017-11-10

Abstract:

Pyrogenic carbon (PyC) is a continuum that is produced by incomplete combustion of biomass or fossil fuels. On account of the high stability of PyC, it is a vital potential carbon (C) sink, which plays an important role in global C cycling and climate change. As the main part of terrestrial ecosystems, forest ecosystems have been disturbed by forest fires of different sizes and intensities every year. Therefore, a lot of PyC is accumulated in forest ecosystems. Moreover, with global warming, the forest fire occurrence and burned area will increase, and so will the accumulation of PyC. The PyC has become an important part of C pool in forest ecosystems. However, PyC pool in forests has not been considered in the forest ecosystem C cycle and its related ecological models. This paper reviews PyC identification and quantification, PyC in forests, ecological roles of PyC and estimation of PyC stock. Finally, we discuss future directions of forest PyC study to provide reference for the related studies of forest C budget and C cycle in China.
 

Key words: bamboo-coniferous mixed forest, evergreen-coniferous mixed forest, diversity, coniferous forest, soil environment, high throughput sequencing.