[1]陆乃静,杨光*,张天琪,等. 托克托县生态系统服务价值与景观生态风险时空变化及其关联性[J].西北林学院学报,2023,38(4):286-294.[doi:10.3969/j.issn.1001-7461.2023.04.35]
　LU Nai-jing,YANG Guang*,ZHANG Tian-qi,et al. Spatial and Temporal Variation of Ecosystem Service Values and Correlations of Landscape Ecological Risks in Tokoto County[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2023,38(4):286-294.[doi:10.3969/j.issn.1001-7461.2023.04.35]
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 托克托县生态系统服务价值与景观生态风险时空变化及其关联性()
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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:
286-294
栏目:
出版日期:
2023-07-31

文章信息/Info

Title:
 Spatial and Temporal Variation of Ecosystem Service Values and Correlations of Landscape Ecological Risks in Tokoto County
文章编号:
1001-7461(2023)04-0286-09
作者:
 陆乃静1; 2; 杨光1; 2*; 张天琪1; 2; 张雨1; 2; 吴际1; 2; 涛力3
 （1.内蒙古农业大学 沙漠治理学院，内蒙古 呼和浩特 010018；2.内蒙古自治区风沙物理与防沙治沙工程重点实验室，内蒙古 呼和浩特 010018；3.鄂尔多斯市造林总场，内蒙古 鄂尔多斯 017000）
Author(s):
 LU Nai-jing1; 2; YANG Guang1; 2*; ZHANG Tian-qi1; 2; ZHANG Yu1; 2; WU Ji1; 2; TAO Li3
 (1.College of Desert Control Science and Engineering,Inner Mongolia Agricultural University,Hohhot 010018,Inner Mongolia,China;2.Key Laboratory of Aeolian Physics and Desertification Control Engineering from Inner Mongolia Autonomous Region,Hohhot 010018,Inner Mongolia,China; 3.Forest General Site of Ordos City,Ordos 017000,Inner Mongolia,China)
关键词:
 ; 生态系统服务价值; 景观生态风险; 相关性; 托克托县
Keywords:
 ; ecosystem service value;  landscape ecological risk;  relevance;  Tokoto County
分类号:
S718.56
DOI:
10.3969/j.issn.1001-7461.2023.04.35
文献标志码:
A
摘要:
 随着我国城市化水平的提升，不合理的土地利用及资源的过度开发导致区域生态系统服务功能出现退化、景观破碎化程度增加的现象，给生态安全带来了考验。基于RS、GIS、Geoda等软件，以1990、2000、2010年和2020年4期托克托县遥感影像为数据源，核算托克托县1990-2020年的生态系统服务价值和生态风险指数，并对两者时空变化及相关性进行分析。结果表明，1）30 a间托克托县生态系统服务价值总量由17.84×108元降低到17.77×108元，较高及高等级生态风险占比呈现缓慢降低趋势，总体下降24.6%，区域生态状况总体状况呈现好转；2）托克托县景观生态风险指数与生态系统服务价值的空间自相关表现为显著负相关关系；3）托克托县景观生态风险指数高的区域对应生态系统服务价值有增大的可能性，生态风险指数低的区域其生态系统服务价值也会随之降低。
Abstract:
 With the increase of China’s urbanization level,unreasonable land use and over-exploitation of resources have led to the degradation of regional ecosystem service functions and the increase of landscape fragmentation,bringing a new issue to ecological security.Based on RS,GIS,Geoda and other software,the article accounted for the value of ecosystem services and ecological risk index in Toketo County from 1990 to 2020,and analyzed the spatial and temporal changes and correlations by using remote sensing images of the county in four periods of 1990,2000,2010,and 2020 as data sources.The results showed that 1) the total value of ecosystem services in Toketo County decreased from 17.84×108 to 17.77×108 RMB yuan during 30 years,and the proportion of higher and high-grade ecological risks showed a slow decrease,with an overall decrease of 24.6%,and the overall condition of regional ecological status showed an improvement.2) There was a negative correlation between the landscape ecological risk index and the value of ecosystem services in the county in numerical and spatial terms.3) The value of ecosystem services was more likely to increase in the areas with high ecological risk index and to decrease in the areas with low ecological risk index in the future.

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备注/Memo

备注/Memo:
 收稿日期：2022-05-15 修回日期：2022-10-16
基金项目：内蒙古自治区科技重大专项“沙地生态系统近自然修复技术研究及产业化示范”。
第一作者：陆乃静。研究方向：荒漠化遥感监测。E-mail：947009896@qq.com
*通信作者：杨光，博士，硕士生导师。研究方向：荒漠化遥感监测。E-mail：yg331@126.com
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