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山西大学 环境与资源学院,山西 太原 030006
[ "张园,男,讲师,硕士生导师。主要从事陆气耦合、生态遥感等相关的研究工作,重点关注极端气候对生态系统碳水通量的影响;参与多项国家自然科学基金项目,在国内外期刊发表10余篇。Email: zyuan@sxu.edu.cn" ]
[ "张红,女,教授,博士,博士生导师。中国生态学会可持续生态学专委会副主任,山西省生态学会理事,国家级一流本科课程负责人。长期从事景观生态学、遥感与地理信息系统、环境统计与建模等方面的教学科研工作,主持完成国家和省部级科研项目30余项,包括国家自然科学基金、教育部人文社科课题、山西省科技重大专项等;在国内外期刊发表100余篇学术论文(其中SCI收录60余篇),获得专利和软件著作权20余项,参与出版著作4部。获山西省科技进步一等奖、山西省自然科学二等奖、高等教育国家级教学成果二等奖、山西省教学成果一等奖、宝钢优秀教师奖、山西省本科教学名师等。Email: zhanghong@sxu.edu.cn" ]
收稿日期:2024-10-19,
修回日期:2024-11-09,
纸质出版日期:2024-12-25
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张园,张红.1990—2020年运城盐湖湿地土地利用变化及景观生态风险评价[J].新兴科学和技术趋势,2024,3(4):345-352.
ZHANG Yuan,ZHANG Hong.Land use changes and landscape ecological risk assessment of Yuncheng salt lake wetlands from 1990 to 2020[J].Emerging Science and Technology,2024,3(4):345-352.
张园,张红.1990—2020年运城盐湖湿地土地利用变化及景观生态风险评价[J].新兴科学和技术趋势,2024,3(4):345-352. DOI: 10.12405/j.issn.2097-1486.2024.04.004.
ZHANG Yuan,ZHANG Hong.Land use changes and landscape ecological risk assessment of Yuncheng salt lake wetlands from 1990 to 2020[J].Emerging Science and Technology,2024,3(4):345-352. DOI: 10.12405/j.issn.2097-1486.2024.04.004.
作为全球暖温带落叶林区唯一分布的大型硫酸钠型盐湖,运城盐湖以其独特的生态特征在维持生态系统稳定、构筑区域生态屏障等方面发挥着巨大的作用。该研究基于1990—2020年土地利用/覆被数据,通过构建景观生态风险评价模型,采用空间自相关等方法探究过去30年来运城盐湖湿地土地利用及景观生态风险的动态变化。结果表明:1)1990—2020年间,运城盐湖湿地建设用地面积显著增加,主要源于耕地面积的持续减少,水域面积总体呈现先减少后增加的趋势;2)研究时段内景观生态风险指数下降,近年来运城盐湖湿地生态风险状况有所好转,生态系统安全总体向好发展;3)研究期内运城盐湖湿地景观生态风险指数在空间上呈正相关,存在显著的空间集聚性和空间分异性。研究结果可为内陆盐湖区实施针对性生态风险预警与管控措施、实现生态可持续提供有益参考。
As the only large sodium sulfate salt lake located in the global warm-temperate deciduous forest region, Yuncheng salt lake plays a critical role in maintaining ecosystem stability and being a regional ecological barrier due to its unique ecological characteristics. Based on the land use/cover data from 1990 to 2020, this study employed a landscape ecological risk assessment model combined with spatial autocorrelation methods to investigate the dynamic changes in land use and landscape ecological risk in Yuncheng salt lake wetlands in the past 30 years. The results revealed that (1) Between 1990 and 2020, the built-up land in Yuncheng salt lake wetlands increased significantly, primarily due to the continuous reduction of farmland. On the whole the water area showed a trend of initial decrease followed by an increase; (2) The landscape ecological risk index declined during the study period, indicating that the ecological risk status of Yuncheng salt lake wetlands has improved in recent years, with the overall ecosystem security getting better; (3) The ecological risk index shows positive spatial autocorrelation, with significant spatial clustering and spatial differentiating. These findings may give valuable insights into the early warnings of targeted ecological risk and the management measures in the inland salt lake regions.
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