中国退耕还林工程固碳现状及固碳潜力估算

吴普侠; 汪晓珍; 吴建召; 张晓梅; 蔺雨阳; 王凯博

doi:10.13870/j.cnki.stbcxb.2022.04.042

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中国退耕还林工程固碳现状及固碳潜力估算

更新时间：2025-03-12

- 中国退耕还林工程固碳现状及固碳潜力估算
- Estimation of Carbon Stock and Carbon Sequestration Potential for China's Grain for Green Project
- 水土保持学报 2022年36卷第4期页码：342-349
- 作者机构：
  
  1. 陕西省林业科学院黄土高原水土保持与生态修复国家林草局重点实验室,西安,710082
  2. 西北农林科技大学黄土高原土壤侵蚀与旱地农业国家重点实验室, 陕西杨凌,712100
  3. 陕西省林木种苗与退耕还林工程管理中心,西安,710082
  4. 攀枝花市农林科学研究院,四川,攀枝花,617061
  5. 中国科学院地球环境研究所,西安,710061
- 作者简介：
  
  [ "吴普侠(1972—),女,硕士,高级工程师,主要从事生态修复与林业产业发展研究。E-mail:wupuxia139@163.com" ]
- 基金信息：
  
  国家自然科学基金项目（42177339）陕西省重点研发计划项目（2021ZDLSF05-02）
- DOI：10.13870/j.cnki.stbcxb.2022.04.042
  中图分类号： S718.5
- 纸质出版：2022
- 稿件说明：
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吴普侠, 汪晓珍, 吴建召, 等. 中国退耕还林工程固碳现状及固碳潜力估算[J]. 水土保持学报, 2022,36(4):342-349.

WU Puxia, WANG Xiaozhen, WU Jianzhao, et al. Estimation of Carbon Stock and Carbon Sequestration Potential for China's Grain for Green Project[J]. 2022, 36(4): 342-349.
吴普侠, 汪晓珍, 吴建召, 等. 中国退耕还林工程固碳现状及固碳潜力估算[J]. 水土保持学报, 2022,36(4):342-349. DOI： 10.13870/j.cnki.stbcxb.2022.04.042.

WU Puxia, WANG Xiaozhen, WU Jianzhao, et al. Estimation of Carbon Stock and Carbon Sequestration Potential for China's Grain for Green Project[J]. 2022, 36(4): 342-349. DOI： 10.13870/j.cnki.stbcxb.2022.04.042.

摘要

为了科学评估中国退耕还林工程的固碳能力，收集整理了退耕还林一期工程（1999—2010年）详细的造林资料，结合中国主要树种的蓄积量（生物量）生长曲线和退耕还林前后土壤有机碳变化特征及各树种碳储量计算的相关参数，估算退耕还林工程1999—2050年的固碳量及其变化。结果表明：截至2010年，退耕还林工程造林总固碳量（土壤和植被）为355.87 Tg；工程实施期间，造林后期固碳量显著大于造林前期，平均每年固碳量为29.66 Tg；工程林固碳增汇潜力不断增加，预计到2050年中国退耕还林工程的固碳增汇潜力为1 234.04 Tg。因此，中国的退耕还林工程产生了巨大的碳汇效益。

Abstract

In order to scientifically evaluate the carbon sequestration capacity of the Grain for Green Project in China

the detailed afforestation data of the first phase of Grain for Green Project were collected. Combined with the growth curve of plantation volume (biomass) of Chinese tree species

the characteristics of soil organic carbon change before and after Grain for Green Project and the relevant parameters of carbon storage calculation of the main tree species

the carbon sequestration capacity and its changes of the Grain for Green Project from 1999 to 2050 were estimated. The results showed that the project's total carbon storage was 355.87 Tg when the project completed in 2010. When the project was implementing

the total carbon sequestration (trees and soil) of the former period was larger than that of the latter period

and the mean annual carbon sequestration was 29.66 Tg. The potential increment of carbon sink for the project increased. It is expected the potential increment of carbon sink of China's project are 1 234.04 Tg in 2050. Therefore

China's Grain for Green Project has produced huge carbon sink benefits.

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