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FOREST RESOURCES WANAGEMENT ›› 2013, Vol. 0 ›› Issue (1): 108-115.

• Technical Application • Previous Articles    

Study on the Changes of Landscape Pattern in Nansihu Wetland Based on RS and FRAGSTATS

YU Quanzhou1,4, ZHANG Zulu2, GAO Bin3, LU Jianshu2, YUAN Yi2   

  1. 1. The Key Laboratory of Ecosystem Network Observation and Modeling,Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing 100101,China;
    2. School of Population,Resources and Environment,Shandong Normal University,Jinan 250014,China;
    3. College of Resources Science & Technology,Beijing Normal University,Beijing 100875,China;
    4. The Key Laboratory of Coast and Island Development of Ministry of Education, Nanjing University, Nanjing 210093, China;
    5. Shandong Zibo Middle School Geography Teaching and Research Section, Zibo 255000,China;
    6. University of the Chinese Academy of Sciences,Beijing 100049,China
  • Received:2012-11-12 Revised:2012-11-20 Online:2013-02-28 Published:2020-11-17

Abstract: By using 3 periods TM/ETM+ remote sensing data in 1987,1997 and 2008 and based on remote sensing,geographic information system and landscape ecology theory,selecting landscape pattern index in type level and landscape level,the quantitative analysis of the dynamic changes Shandong Nansihu wetland landscape pattern has been done in the paper.The results show that:(1)The general characteristics of landscape pattern are that significant changes have been found,the area of natural landscape decreasing and area of artificial landscape increasing.The degree of patch fragmentation is aggravating.The landscape patterns of reed land,lotus land and fish pond change most intensively.(2)with a view to the landscape index:at the type level,different landscape types have different change characteristics of index .At the landscape level,the number and density of patches have been increasing ;average patch area and contag index have been declining.Shannon diversity index and evenness index have been firstly increasing,then decreasing.(3)Looking from the transfer matrix,the changes of landscape pattern of Nansihu have begun in the former study period(1987-1997);and the rate of landscape pattern changes has become faster in the late study period(1997-2008).Every landscape changes to each other on a high rate,especially the landscapes of reed and lotus own very high rate of changing to other landscapes,and this transformation tends to happen from natural landscape patches to artificial landscape patches.

Key words: landscape pattern, dynamic change, landscape index, Nasihu wetland

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