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对土地覆被类型的变化及其生态环境意义的初步分析--以台湾西南部泥岩分布区为例
引用本文:周跃,张俊斌,胡少伟. 对土地覆被类型的变化及其生态环境意义的初步分析--以台湾西南部泥岩分布区为例[J]. 昆明理工大学学报(自然科学版), 2003, 28(5): 124-126,130
作者姓名:周跃  张俊斌  胡少伟
作者单位:1. 昆明理工大学,环境科学与工程学院,云南,昆明,650093
2. 台湾中兴大学,水土保持学系,台湾,台中,402
基金项目:云南省中青年学术与技术带头人后备人才培养基金项目.
摘    要:
台湾西南部泥岩分布区因其特殊的土壤和气候条件,造成泥岩裸露面积的增加和严重的土壤侵蚀。区内表土大量流失、山体蹦滑、河川含砂量激增,植被退化,微气候变异等生态环境破坏,反映出严重的泥岩裸化带来的生态问题。利用SPOT卫星影像判识和景观生态学分析表明了该地区泥岩裸化面积的显著扩大及景观生态格局的不稳定。应用马可夫链模型计算不同时期土地覆被类型的景观结构变迁并结合生态指数分析,说明这些变化主要是由人为活动及相应的植被退化所引起。

关 键 词:土地覆被类型 生态建设 台湾省 泥岩分布区 卫星遥感 景观生态学 泥岩裸化 植被
文章编号:1007-855X(2003)05-0124-04

Primary Study on the Changes of Vegetation Types and its Environmental Significance--the Bald Mudstone Areas in Southwestern Taiwan
ZHOU Yue ,ZHANG Jun bin ,HU Shao wei. Primary Study on the Changes of Vegetation Types and its Environmental Significance--the Bald Mudstone Areas in Southwestern Taiwan[J]. Journal of Kunming University of Science and Technology(Natural Science Edition), 2003, 28(5): 124-126,130
Authors:ZHOU Yue   ZHANG Jun bin   HU Shao wei
Affiliation:ZHOU Yue 1,ZHANG Jun bin 2,HU Shao wei 1
Abstract:
It is a serious problem that the bald mudstone areas increase owing to the poor conditions of the soil and microclimate. The consequences of the vegetative degeneration, environmental destruction and microclimate changes were caused by the landscape pattern changes. Analysis on the land cover and landscape pattern changes of bald mudstone areas can be served to better understand how the patch dynamic process affects the ecosystems. The landscape metrics is used to analyze the degree that the landscape configuration affects ecological processes. The results display that the patch dynamic relates to the human activities and the land cover tend to become bamboo and mudstone.
Keywords:vegetation  mudstone areas in Taiwan  ecological metrics  landscape structure
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