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运城黄河湿地景观空间格局变化及其驱动因素
引用本文:孙姝博,孙虎,徐崟尧,高珊.运城黄河湿地景观空间格局变化及其驱动因素[J].水生态学杂志,2021,42(1):17-25.
作者姓名:孙姝博  孙虎  徐崟尧  高珊
作者单位:陕西师范大学地理科学与旅游学院,陕西师范大学地理科学与旅游学院,陕西师范大学地理科学与旅游学院,陕西师范大学地理科学与旅游学院
摘    要:基于2007—2017年的5期遥感影像,运用遥感解译和景观指数方法,综合探究运城黄河湿地景观格局变化及其驱动因素。结果表明:1)湿地面积在2007—2017年期间总体呈增长趋势,其中2007—2015年湿地面积持续上升,2015—2017年略减少5716.08hm2。湿地与旱地之间转换最密切,湿地景观间(水域+沼泽+草甸)也有较大幅度的转换。景观类型的分布以河津市、万荣县、永济市及垣曲县部分种类偏多,湿地景观沿河流分布。2)类型水平上,旱地是优势类型,湿地整体处于劣势,景观零碎。水域在湿地景观中占优势,林地、旱地景观趋于复杂,旱地、水域、林地景观集聚度偏大。景观水平上,研究区景观破碎度和复杂度都有不同程度的降低,结构趋于稳定,连通性变好。3)景观格局变化主要受人为驱动力影响,其中政策对研究区有强制性的作用。结果表明,近10a运城黄河湿地呈现增长态势,景观格局总体逐渐优化。

关 键 词:景观类型  景观格局指数  驱动力  运城黄河湿地
收稿时间:2019/5/7 0:00:00
修稿时间:2021/1/22 0:00:00

Analysis of Landscape Pattern Changes and Driving Forces in the Yellow River Wetland of Yuncheng City
SUN Shu-bo,SUN Hu,XU Yin-yao,GAO Shan.Analysis of Landscape Pattern Changes and Driving Forces in the Yellow River Wetland of Yuncheng City[J].Journal of Hydroecology,2021,42(1):17-25.
Authors:SUN Shu-bo  SUN Hu  XU Yin-yao  GAO Shan
Institution::School of Geography and Tourism of Shaanxi Normal University,:School of Geography and Tourism of Shaanxi Normal University,:School of Geography and Tourism of Shaanxi Normal University,:School of Geography and Tourism of Shaanxi Normal University
Abstract:By using landscape pattern index method, we analyzed the landscape pattern change and its driving forces of the Yellow River wetland in Yuncheng city based on remote sensing images from 2007 to 2017.The results were:1) The area of wetland was increasing during research period, but slightly reduced by 5716.08hm2 after 2015. There was a frequent conversion between wetland and dry land in each landscape, while the conversion from water and meadow to swamp was obvious on wetland pattern. From the spatial pattern, landscape types mainly distributed in Hejin, Wanrong, Yongji and Yuanqu counties, and wetland landscape was along the river. 2) At the class level, dry land was the dominant type, and water was preponderate in the wetland landscape. There was an increasing landscape complexity in dry land and swamp. Dry land, water and woodland landscape tended to be more concentrated. At the landscape level, both overall fragmentation and complexity reduced, while the landscape distribution was more homogeneous and its diversity increased. 3) The change of landscape pattern was mainly influenced by human factors, among which policy had a mandatory effect. These results indicated that the area of Yellow River wetland in Yuncheng city showed an increasing trend and the overall landscape pattern of wetland became better from 2007 to 2017.
Keywords:landscape types  landscape pattern index  driving forces  Yuncheng Yellow River wetland
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