东洞庭湖湿地景观变化研究

长江流域资源与环境 >> 2007, Vol. 16 >> Issue (6): 732-732.

东洞庭湖湿地景观变化研究

王红娟1|2,姜加虎1| 黄群1

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2007-11-20

A STUDY ON THE CHANGE OF WETLAND LANDSCAPE PATTERN IN EAST DONGTING LAKE

WANG Hongjuan1,2, JIANG Jiahu1, HUANG Qun1

Received:1900-01-01 Revised:1900-01-01 Online:2007-11-20

摘要/Abstract

摘要：

在遥感和地理信息系统的支持下，对东洞庭湖1989和2001年两个时段的TM（ETM）卫星影像进行了遥感解译。应用景观生态学的理论和方法，对不同景观类型的斑块和面积大小、形状特征进行分析，计算了湿地景观多样性、优势度、均匀度、破碎度及斑块分形维数。定量分析和〖HJ〗研究了1989~2001年东洞庭湖湿地景观的动态变化，结果表明，由于泥沙淤积，东洞庭湖湿地的面积正在日益缩小，湿地景观多样性和均匀度下降，景观优势度和破碎化程度增加，说明东洞庭湖部分湿地景观逐渐从以小斑块、多种景观类型共同控制的景观格局向大斑块、类型较单一的景观格局演变。

关键词: 东洞庭湖, 湿地景观, 景观格局变化

Abstract:

With the support of RS and GIS,the TM(ETM）images of East Dongting Lake in 1989 and 2001 have been interpreted.The patches,area,morphologic feature of different wetland types have been analyzed.The diversity,superiority,uniformity,fragmentation and patch dimension have been calculated on the basis of landscape ecology theory and method.The dynamics of wetland landscape of east Dongting Lake from 1989 to 2001 have been analyzed and quantitative study was carried out.Results showed that wetland area of east Dongting Lake shrunk day by day,the diversity and uniformity of wetland landscape descended and the superiority fragmentation increased because of sediment deposition.It was suggested that a heterogeneous landscape pattern with small patches in part of east Dongting Lake wetland had transformed gradually into a homogeneous landscape with large patches.

Key words: East Dongting Lake, wetland landscape, changes of landscape pattern〖

王红娟,姜加虎,黄群. 东洞庭湖湿地景观变化研究[J]. 长江流域资源与环境, 2007, 16(6): 732-732.

WANG Hongjuan, JIANG Jiahu,HUANG Qun. A STUDY ON THE CHANGE OF WETLAND LANDSCAPE PATTERN IN EAST DONGTING LAKE[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2007, 16(6): 732-732.

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