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Chinese Journal of Applied Ecology ›› 2017, Vol. 28 ›› Issue (8): 2481-2487.doi: 10.13287/j.1001-9332.201708.039

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Effect of fire severity on carbon storage of aboveground vegetation in Great Xing’an Mountains, China

HONG Jiao-jiao1, CHEN Hong-wei1,2*, QI Shu-yan1,2, LIU Na1, XU Jing1   

  1. 1 College of Life Science and Bioengineering, Shenyang University, Shenyang 110044, China
    2Liaoning Province Key Laboratory of Urban Integrated Pest Management and Ecological Security, Shenyang 110044, China
  • Received:2017-03-27 Published:2017-08-18
  • Contact: * E-mail: chenhw@iae.ac.cn
  • Supported by:
    This work was supported by the National Natural Science Foundation of China (41201185), the Natural Science Foundation of Liaoning Province (201602513) and the Shenyang Science and Technology Program (F16-158-9-00)

Abstract: Forest aboveground vegetation (trees, shrub, and grass) was sampled in the Huzhong forest region of the Great Xing’an Mountains under different fire severities. The allometric-equation and biomass-harvesting methods were employed to derive biomasses of tree, shrub, and grass layers, which were subsequently converted to carbon storage. The differences of carbon storage (tree, shrub, and grass layers) under different fire severities were analyzed. Results showed that fire severities significantly affected the aboveground carbon storage. The carbon storage was ranked in the order of unburned>low-severity>moderate-severity>high-severity. At the same fire severity, the forest carbon storage was generally ranked in the order of tree>grass>shrub. At the different fire severities, the carbon storage was ranked in the order of unburned>low-severity>moderate-severity>high-severity. The shrub layer carbon storage was ranked in the order of low-severity>unburned>moderate-severity>high-severity. The grass layer carbon storage was ranked in the order of low-severity>unburned>high-severity>moderate-severity. The fire severities significantly affected carbon storage of tree and grass layers. The effect of fire severities on carbon storage in shrub layer was not significant.