格网尺度下内蒙古库布齐七星湖国家沙漠公园生态系统服务价值时空演化特征

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中文摘要：以内蒙古库布齐七星湖国家沙漠公园为研究对象,参照中国陆地生态系统服务价值当量计算模型,基于2000-2021 年4 期Landsat影像数据,借助ENVI、ArcGIS平台定量识别土地利用演变特征,并在300m×300m格网尺度下估算区域生态系统服务价值的时空动态变化.结果表明:1)库布齐七星湖国家沙漠公园农田、草地、水体和建设用地持续增加,裸地逐渐减少.21 年间,裸地面积缩减 1979.40hm2,草地面积增加1854.99hm2,是区域内变化幅度最大的地类.2)2021 年沙漠公园生态系统服务价值较 2000 年增加了 3086.95万元,增幅达到120.27%.在不同年份,生物多样性保护、废物处理和土壤形成与保护、水源涵养四方面的生态系统服务价值占比总和均在78%以上.从空间格局分布上看,生态系统服务价值高值区主要位于公园北部的沙漠体验区.较高值区地类以草地为主,其分布范围较大,且有向公园南部沙地保育区扩张的趋势.3)草地面积的增加是带动区域生态系统服务价值增大的主因,同时公园北部草地退化为裸地导致部分格网生态系统服务价值降低,此现象可能与旅游活动的干扰有关.

外文标题：Spatio-temporal evolution of ecosystem service value in Inner Mongolia Kubuqi Qixing Lake National Desert Park at a grid scale

外文摘要：Taking Inner Mongolia Kubuqi Qixing Lake National Desert Park as the research object,refering to China's land ecosystem service value equivalent calculation model,The ENVI and ArcGIS platforms were used to quantitatively identify the land use evolution characteristics based on Landsat image data from 2000 to 2021.The spatial-temporal dynamic changes of regional ecosystem service value were estimated at 300m×300m grid scale.The results showed that:1)The farmland,grassland,water and construction land in Kubuqi Qixing Lake National Desert Park kept increasing,while the bare land gradually decreased.During 21 years,the bare land area decreased by 1979.40hm2,and the grassland area increased by 1854.99 hm2,they are the land types with the largest change range in the region.2)Compared with 2000,the ecosystem service value of desert park in 2021 increased by 30.86 million yuan,with an increase of 120.27%.In different years,the combined proportion of ecosystem service values in biodiversity conservation,waste disposal and soil formation and protection,and water conservation has always been above 78%.From the perspective of spatial pattern distribution,the high value area of ecosystem service value is mainly located in the desert experience area in the north of the park.The grassland is the dominant land type in high-value areas,with a large distribution range,and appearing a trend of expansion to the southern sandy conservation area of the park.3)The increase of grassland area is the main factor driving the increase of regional ecosystem service value,and the degradation of grassland to bare land in the northern park leads to the decrease of ecosystem service value in some grids,which may be related to the interference of tourism activities.

外文关键词：

land use changeequivalent factor methodecosystem service valueInner Mongolia Kubuqi Qixing Lake National Desert Park

作者：

丁延龙、刘丽梅、刘斌、李亚杰

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作者单位：

内蒙古财经大学旅游学院,呼和浩特 010051

内蒙古产业发展研究基地,呼和浩特 010051

内蒙古自治区水利水电勘测设计院有限公司,呼和浩特 010050

鄂尔多斯市造林总场,鄂尔多斯 014300

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关键词：

土地利用变化当量因子法生态系统服务价值内蒙古库布齐七星湖国家沙漠公园

基金：

内蒙古自治区哲学社会科学规划项目内蒙古自治区教育厅哲学社会科学重大专项阴山北麓国家野外站开放研究基金内蒙古财经大学高质量科研成果培育项目基金

项目编号：

2023ZZB048ESDZX202332YSS202307GZCG2478

出版年：

2024

DOI：

10.13448/j.cnki.jalre.2024.189

干旱区资源与环境

中国自然资源学会干旱半干旱地区研究委员会　内蒙古农业大学

干旱区资源与环境

CSSCICHSSCD北大核心

影响因子：1.492

ISSN：1003-7578

年,卷(期)：2024.38(9)