The Preventive Strategies of Degradation and the Approaches to Enhance Carbon Sequestration Ability in Inner Mongolia Grassland

doi:10.11733/j.issn.1007-0435.2017.02.001

Acta Agrestia Sinica ›› 2017, Vol. 25 ›› Issue (2): 217-225.DOI: 10.11733/j.issn.1007-0435.2017.02.001

The Preventive Strategies of Degradation and the Approaches to Enhance Carbon Sequestration Ability in Inner Mongolia Grassland

MU Shao-jie¹, ZHU Chao², ZHOU Ke-xin², LI Jian-long³

1. Key laboratory of Watershed Geographic Science, Nanjing Institute of Geography and Limnology, CAS, Nanjing, Jiangsu Province 210008, China;
2. Nanjing Institute of Environmental Sciences, Ministry of Environmental Protection, Nanjing, Jiangsu Province 210042, China;
3. School of Life Science, Nanjing University, Nanjing, Jiangsu Province 210093, China

Online:2017-04-15 Published:2017-06-25

内蒙古草地退化防治对策及碳增汇途径研究

穆少杰¹, 朱超², 周可新², 李建龙³

1. 中国科学院南京地理与湖泊研究所中国科学院流域地理学重点实验室, 江苏南京 210008;
2. 环境保护部南京环境科学研究所, 江苏南京 210042;
3. 南京大学生命科学学院, 江苏南京 210093

通讯作者: 周可新,E-mail:zkx@nies.org
作者简介:穆少杰(1985-),男,内蒙古四子王旗人,助理研究员,主要研究方向为草地生态学和陆地生态系统碳循环,E-mail:musjeg@gmail.com
基金资助:
江苏省自然科学青年基金（BK20140117）；国家科技支撑计划课题（2012BAC01B08）；环保公益类项目（201409055）；环境保护部"生物多样性保护专项"资助

Abstract

Abstract:

China has large area of grasslands, accounting for about 40% of the national total areas. Inner Mongolia grassland comprises more than 20% of China's total grasslands. In the recent past, Inner Mongolia grassland has been undergoing successive degradation driven by both natural factors and human disturbance, which exerts negative influence on carbon sequestration ability of the ecosystem. This paper reviewed the criteria, degree and current situation of grassland degradation in Inner Mongolia. Driving forces of grassland degradation in the region were probed in the aspects of human activities, climate change and material inflow and outflow in the grassland ecosystem. The basic progress of carbon cycle and the impact of grassland degradation on carbon sequestration were discussed. This paper also introduced the carbon sequestration potential of degraded grassland under varied restoration implementations. Finally, the strategy for preventing grassland from degradation and for enhancing the carbon sequestration ability was recommended.

Key words: Grassland degradation, Carbon sequestration, Driving force, Grassland management

摘要：

全球变化背景下草地生态系统的退化及碳循环过程是生态学、地学、植物学和农学领域的研究热点之一。本文介绍了草地退化的概念、层次及退化现状，探讨了开垦、放牧、气候变化等人为因素和自然因素对内蒙古地区草地退化的驱动作用，重点分析了草地退化对碳循环过程的影响机制及退化草地恢复的固碳潜力，以期加深对草地生态系统退化及恢复过程中碳循环动态变化的理解。本文提出了内蒙古退化草地恢复过程中尚需解决的主要问题以及草业和畜牧业可持续发展的战略计划，以期为草地碳增汇方面的研究提供新的思路，并为决策者合理调整草地利用和保护布局提供理论基础。

关键词: 草地退化, 碳蓄积, 驱动力, 草地管理

CLC Number:

S812.5

MU Shao-jie, ZHU Chao, ZHOU Ke-xin, LI Jian-long. The Preventive Strategies of Degradation and the Approaches to Enhance Carbon Sequestration Ability in Inner Mongolia Grassland[J]. Acta Agrestia Sinica, 2017, 25(2): 217-225.

穆少杰, 朱超, 周可新, 李建龙. 内蒙古草地退化防治对策及碳增汇途径研究[J]. 草地学报, 2017, 25(2): 217-225.

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The Preventive Strategies of Degradation and the Approaches to Enhance Carbon Sequestration Ability in Inner Mongolia Grassland

内蒙古草地退化防治对策及碳增汇途径研究

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