气候变化、林火和采伐对大兴安岭森林碳储量的影响

doi:10.13287/j.1001-9332.201807.036

应用生态学报 ›› 2018, Vol. 29 ›› Issue (7): 2088-2100.doi: 10.13287/j.1001-9332.201807.036

气候变化、林火和采伐对大兴安岭森林碳储量的影响

黄超¹, 贺红士^2,3*, 梁宇¹, 吴志伟⁴

¹中国科学院沈阳应用生态研究所森林生态与管理重点实验室, 沈阳 110016;
²东北师范大学地理科学学院, 长春 130024;
³美国密苏里大学, 美国哥伦比亚 65201;
⁴江西师范大学地理与环境学院, 南昌 330027

收稿日期:2018-03-26 出版日期:2018-07-18 发布日期:2018-07-18
通讯作者: *E-mail: heh@missouri.edu
作者简介:黄超, 男, 1985年生, 助理研究员. 主要从事森林生态学和森林景观模型研究. E-mail: heipichao85@hotmail.com
基金资助:
本文由国家重点研发计划项目(2016YFA0600804)和国家自然科学基金项目(31570461,31570462)资助 .

Effects of climate change, fire and harvest on carbon storage of boreal forests in the Great Xing’an Mountains, China.

HUANG Chao¹, HE Hong-shi^2,3*, LIANG Yu¹, WU Zhi-wei⁴

¹CAS Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China;
²School of Geographical Science, Northeast Normal University, Changchun 130024, China;
³University of Missouri, Columbia 65201, USA;
⁴School of Geography and Environment, Jiangxi Normal University, Nanchang 330027, China

Received:2018-03-26 Online:2018-07-18 Published:2018-07-18
Contact: *E-mail: heh@missouri.edu
Supported by:
This work was supported by the National Key Research and Development Program of China (2016YFA0600804) and the National Natural Science Foundation of China (31570461, 31570462)

摘要/Abstract

摘要： 大兴安岭林区林火发生的频率受气候变化的影响将会增加,可能会增加该地区森林生态系统碳损失.本研究通过耦合森林生态系统模型和森林景观模型以模拟未来百年大兴安岭森林碳储量动态变化,量化气候变化、林火和采伐对森林碳储量的影响.结果表明: 虽然采伐和林火会抵消相当一部分由气候变化增加的碳储量,但气候变化仍然能够增加大兴安岭森林碳储量.未来100年该地区森林地上和土壤有机碳储量将会分别增加9%～22%和6%～9%.短期(0～20年)气候变化对大兴安岭森林碳储量的影响大于同期林火的影响,中期(30～50年)和长期(60～100年)气候变化对森林碳储量的影响小于林火和采伐的影响.由于未来大兴安岭地区气候变化及其林火干扰存在不确定性,导致未来该地区森林碳储量存在较大的不确定性.未来100年大兴安岭森林地上碳储量和土壤有机碳储量不确定性分别为12.4%～16.2%和6.6%～10.4%.为准确估算我国北方森林生态系统碳储量,需要考虑种子传播、林火和采伐的影响.

Abstract: Climate change will increase the frequency of fire disturbances, which may further exa-cerbate carbon loss from boreal forests in the Great Xing’an Mountains, China. In this study, we coupled forest ecosystem and forest landscape models to simulate the dynamics of boreal forest carbon storage in the next 100 years. We quantified the effects of climate change, fire and harvest on carbon storage of boreal forests. The results showed that climate change would increase carbon storage of boreal forests in the Great Xing’an Mountains, even if fire and harvest could partially offset such changes. Aboveground and soil organic carbon storage would increase by 9%-22% and 6%-9% in the next 100 years. In the short-term (0-20 years), the effects of climate change on carbon storage was stronger than fire. The effects of climate change on boreal forest carbon storage were less than fire and harvest in medium (30-50 years) and long-term (60-100 years). The variability of climate change and fire disturbance in the Great Xing’an Mountains caused high uncertainty of the future boreal forest carbon storage. The uncertainties of aboveground and soil organic carbon of boreal forests in the Great Xing’an Mountains were 12.4%-16.2% and 6.6%-10.4% in the next 100 years. The effects of seed dispersal, fire and harvest should be taken account for accurate estimation of carbon storage in Chinese boreal forests.

黄超, 贺红士, 梁宇, 吴志伟. 气候变化、林火和采伐对大兴安岭森林碳储量的影响[J]. 应用生态学报, 2018, 29(7): 2088-2100.

HUANG Chao, HE Hong-shi, LIANG Yu, WU Zhi-wei. Effects of climate change, fire and harvest on carbon storage of boreal forests in the Great Xing’an Mountains, China.[J]. Chinese Journal of Applied Ecology, 2018, 29(7): 2088-2100.

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气候变化、林火和采伐对大兴安岭森林碳储量的影响

Effects of climate change, fire and harvest on carbon storage of boreal forests in the Great Xing’an Mountains, China.

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