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应用生态学报 ›› 2003, Vol. ›› Issue (12): 2176-2180.

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用空间多样性指数分析辽河三角洲野生动物生境的格局变化

王凌1,2, 李秀珍1, 胡远满1, 郭笃发3,4   

  1. 1. 中国科学院沈阳应用生态研究所, 沈阳 110016;
    2. 山东农业大学资源与环境学院, 泰安 271000;
    3. 山东师范大学人口·资源与环境学院, 济南 250014;
    4. 沈阳农业大学土地与环境学院, 沈阳 110161
  • 收稿日期:2002-09-10 修回日期:2003-03-14 出版日期:2003-12-15
  • 通讯作者: 李秀珍,通讯联系人.E-mail:Lndscp@iae.ac.cn
  • 基金资助:
    国家自然科学基金项目(40001002,40171037);教育部留学回国科研启动基金项目;中国科学院引进国外杰出人才资助项目

Spatial diversity index analysis on wildlife habitat pattern change in the Liaohe Delta

WANG Ling1,2, LI Xiuzhen1, HU Yuanman1, GUO Dufa3,4   

  1. 1. Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China;
    2. College of Resource and Environment, Shandong Agricultrual University, Taian 271000, China;
    3. College of Population, Resource and Environment, Shandong Normal University, Jinan 250014, China;
    4. College of Land and Environment, Shenyang Agricultural University, Shenyang 110161, China
  • Received:2002-09-10 Revised:2003-03-14 Online:2003-12-15

摘要: 在利用遥感(RS)和地理信息系统(GIS)对辽河三角洲土地覆被变化进行研究的基础上,引用空间多样性指数(Sd)对本区野生动物的生境格局进行了定量描述,并分析了其1988~1998年间的生境格局变化.结果表明,研究区野生动物生境格局受人为和自然干扰的双重影响而发生了较明显的变化,整体趋势是生境适宜性逐渐降低,适宜生境和较适宜生境(Sd≥0.35)的面积10年间减少7637hm2,且破碎化程度加深,在空间上呈现由北向南推进、由东向西压缩之势,生境质量呈下降趋势.同时,空间多样性指数能够定量地反映野生动物生境的适宜程度,并能直观地描述生境的空间格局,为进一步揭示生境格局的变化规律及原因提供了有效措施和依据,对于协调区域经济发展与生物多样性保护具有重要意义.

Abstract: Based on the study of land cover change in the Liaohe Delta with GISand RS,the wildlife habitat pattern was described quantitatively,and the pattern change between 1988 and 1998 was analyzed with spatial diversity index. The results showed that the wildlife habitat pattern had an obvious change during the ten years caused by natural and human disturbance. The area of suitable habitat(Sd ≥0.35) was becoming smaller and more fragmented,with a deteriorated quality. It was proved that spatial diversity index could reflect the habitat suitability of wildlife,and describe the habitat spatial pattern explicitly. This study would provide a scientific basis for protecting wild animals and their habitats.

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