[1]赵方圆,王琼芳*,张华堂,等. 基于InVEST模型的甘肃省祁连山林区乔木林碳储量时空变化研究[J].西北林学院学报,2023,38(4):233-240.[doi:10.3969/j.issn.1001-7461.2023.04.29]
　ZHAO Fang-yuan,WANG Qiong-fang*,ZHANG Hua-tang,et al. Temporal and Spatial Variations of Arbor Forest Carbon Storage of Gansu Province Based on InVEST Model in the Forest Area of the Qilian Mountains[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2023,38(4):233-240.[doi:10.3969/j.issn.1001-7461.2023.04.29]
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 基于InVEST模型的甘肃省祁连山林区乔木林碳储量时空变化研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第38卷
期数:
2023年第4期
页码:
233-240
栏目:
出版日期:
2023-07-31

文章信息/Info

Title:
 Temporal and Spatial Variations of Arbor Forest Carbon Storage of Gansu Province Based on InVEST Model in the Forest Area of the Qilian Mountains
文章编号:
1001-7461(2023)04-0233-08
作者:
 赵方圆1; 2; 王琼芳1; 2*; 张华堂1; 2; 陈智平1; 2; 张璐1; 2
 (1.甘肃省生态资源监测中心，甘肃 兰州 730020；2.甘肃省林业调查规划院，甘肃 兰州 730020)
Author(s):
 ZHAO Fang-yuan1; 2; WANG Qiong-fang1; 2*; ZHANG Hua-tang1; 2; CHEN Zhi-ping1; 2; ZHANG Lu1; 2
 （1.Gansu Provincial Ecological Resources Monitoring Center,Lanzhou 730020,Gansu,China; 2.Gansu Provincial Forestry Survey and Planning Institute,Lanzhou 730020,Gansu,China）
关键词:
 ; InVEST模型; 祁连山林区; 碳储量
Keywords:
 ; InVEST model;  Qilian Mountain forest area;  carbon storage
分类号:
S718.556
DOI:
10.3969/j.issn.1001-7461.2023.04.29
文献标志码:
A
摘要:
 以祁连山林区乔木林为研究对象，基于甘肃省林地更新数据和中国土地覆盖及地形数据，运用InVEST模型估算和分析祁连山林区乔木林的碳储量时空变化特征。结果表明，1）研究区乔木林碳储量的分布呈现北部片状—中部点状片状—南部线状的分布特征。2）2016-2019年研究区乔木林碳储量增长了258.91万t，年均碳汇量86.30万t。3）2016、2019年云杉的碳储量占比最大，平均占比88.82%，且以最具未来碳汇潜力的中龄林和近熟林增长为主，主要分布在海拔2 500~3 500 m、坡度10°~40°的阴坡和半阴坡及半阳坡。4）2016-2019年，牧草地、耕地、未利用地、建设用地向林地转移1 219.22 hm2，呈现牧草、耕地、未利用地、建设用地向林地回转的趋势。研究结果一定程度上反映了研究区森林碳汇功能向良性转变，表明了退耕还林、人工造林等生态治理工程的有效性。
Abstract:
 Based on the forest land update data in Gansu Province in 2016 and 2019,China’s land cover data and topographic data,the InVEST model was used to estimate and analyze the temporal and spatial variation characteristics of carbon storage in the arbor forests in the Qilian Mountains.The results showed that 1) the distribution of carbon storage in arbor forests in the study area presented the distribution characteristics of northern flaky-central point flaky-southern linear.2) In 2016 and 2019,the carbon storage of arbor forests in the study area increased by 25 900 t,with an average annual carbon sink of 863 000 t.3) In 2016 and 2019,the carbon storage of spruce accounted for the largest proportion,with an average proportion of 88.82%,and the growth of middle-aged and near-mature forests with the most potential carbon sinks in the future was the main growth,mainly distributed on shady,semi-shady and semi-sunny slopes with an altitude of 2 500-3 500 m and a slope of 10°-40°.4) From 2016 to 2019,1 219.22 hm2 of pasture land,cultivated land,unused land,and construction land turned back to forest land.The above results reflect the benign transformation of the forest carbon sink function in the study area,indicating the effectiveness of ecological governance projects such as returning farmland to forests and artificial afforestation.

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备注/Memo

备注/Memo:
 收稿日期：2022-07-30 修回日期：2022-09-26
基金项目：甘肃省自然科学基金(20JR5RA090)。
第一作者：赵方圆。研究方向：林业资源调查规划、林业碳汇。E-mail:770883039@qq.com
*通信作者：王琼芳。研究方向：林业碳汇。E-mail:493161684@qq.com
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