火干扰强度对大兴安岭森林地上植被碳储量的影响

doi:10.13287/j.1001-9332.201708.039

应用生态学报 ›› 2017, Vol. 28 ›› Issue (8): 2481-2487.doi: 10.13287/j.1001-9332.201708.039

火干扰强度对大兴安岭森林地上植被碳储量的影响

洪娇娇¹, 陈宏伟^1,2*, 齐淑艳^1,2, 刘娜¹, 许晶¹

¹沈阳大学生命科学与工程学院，沈阳 110044
²辽宁省城市有害生物治理与生态安全重点实验室，沈阳 110044

收稿日期:2017-03-27 发布日期:2017-08-18
通讯作者: * E-mail: chenhw@iae.ac.cn
作者简介:洪娇娇,女,1992年生,硕士研究生.主要从事森林生态学研究.E-mail:384536582@qq.com
基金资助:
本文由国家自然科学基金项目(41201185)、辽宁省自然科学基金项目(201602513)和沈阳市科技计划项目(F16-158-9-00)资助

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

HONG Jiao-jiao¹, CHEN Hong-wei^1,2*, QI Shu-yan^1,2, LIU Na¹, XU Jing¹

¹College 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)

摘要/Abstract

摘要： 以大兴安岭呼中林区不同强度的火烧迹地为研究对象,对森林地上植被(乔木层、灌木层和草本层)碳储量进行分层采样,采用异速生长方程和生物量收获法获得各层生物量并转换为碳储量,分析了不同火烧强度下研究区地上植被碳储量的差异.结果表明: 火烧强度显著影响研究区森林地上植被碳储量,表现为未火烧＞轻度火烧＞中度火烧＞重度火烧.相同火烧强度下,各林层碳储量变化状况表现为乔木层＞灌木层＞草本层.乔木层碳储量在不同火烧强度下表现为未火烧＞轻度火烧＞中度火烧＞重度火烧;灌木层碳储量在不同火烧强度下表现为轻度火烧>未火烧>中度火烧>重度火烧;草本层的碳储量在不同火烧强度下表现为轻度火烧>未火烧>重度火烧>中度火烧.火烧强度显著影响森林生态系统乔木层和草本层的碳储量,对灌木层碳储量的影响不显著.

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.

洪娇娇, 陈宏伟, 齐淑艳, 刘娜, 许晶. 火干扰强度对大兴安岭森林地上植被碳储量的影响[J]. 应用生态学报, 2017, 28(8): 2481-2487.

HONG Jiao-jiao, CHEN Hong-wei, QI Shu-yan, LIU Na, XU Jing. Effect of fire severity on carbon storage of aboveground vegetation in Great Xing’an Mountains, China[J]. Chinese Journal of Applied Ecology, 2017, 28(8): 2481-2487.

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火干扰强度对大兴安岭森林地上植被碳储量的影响

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

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