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生态学杂志 ›› 2005, Vol. ›› Issue (6): 623-626.

• 研究报告 • 上一篇    下一篇

云南省维西县塔城镇土地利用/地表覆盖及其空间格局变化研究

李卓卿1,2, 许建初1   

  1. 1. 中国科学院昆明植物研究所, 昆明, 650204;
    2. 云南省环境科学研究院, 昆明, 650034
  • 收稿日期:2004-03-10 修回日期:2004-12-27 出版日期:2005-06-10
  • 通讯作者: 许建初
  • 基金资助:
    中国科学院知识创新工程重要方向资助项目(KSCX2-1-09).

Land use/land cover and spatial pattern change in Tacheng township,Weixi County,Yunnan Province

LI Zhuoqing1,2, XU Jianchu1   

  1. 1. Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, China;
    2. Yunnan Academy of Environment Science, Kunming 650034, China
  • Received:2004-03-10 Revised:2004-12-27 Online:2005-06-10

摘要: 利用遥感和地理信息系统,结合野外实地参与式调查,从土地利用类型和空间格局角度,对滇西北维西县塔城镇1990和1999年的土地利用变化进行综合分析.结果表明,塔城镇10年间土地利用类型和空间结构变化较小,仍以有林地为主.但高覆盖度林地、中覆盖度林地和低覆盖度林地的结构发生了变化,低覆盖度林地从9.93%增加到18.30%,增加8.37%;高覆盖度林地减少5.35%;中覆盖度林地减少5.15%,森林植被质量下降.土地利用/地表覆盖景观变化最大的区域在海拔3400 m以上的塔城镇的东南角和西南角.景观多样性、优势度降低,景观破碎化程度加深,严重影响该地区滇金丝猴的栖息地.

Abstract: This paper studied the land use and land cover changes between 1990 and 1999 in Tacheng township,Weixi County of Northwest Yunnan.The results showed that there was little change in main land use type and in spatial structure within 10 years,with the land still predominantly forested.However,the forest structure had changed from predominantly high dense canopy to middle canopy and open canopy,among which the open canopy increased from 9.93% to 18.30%,with a net gain of 8.37%,high dense canopy lost 5.35% and middle canopy lost 5.15%,resulting in the decrease of forest quality.The landscape of land use/land cover changes mainly happened in southeast and southwest of Tacheng above altitude 3 400 m.The decrease of landscape diversity and landscape fragmentation had great impacts on the habitats of Rhinopithecus bieti in the region.

Key words: Coniferous forests, Species diversity, Low elevation region, Three Gorges area

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