[1]高国林,王石英,蒋容.翠屏区植被覆盖及其景观格局变化遥感分析[J].水土保持研究,2013,20(03):104-109.
　GAO Guo-lin,WANG Shi-ying,JIANG Rong.Remote Sensing Analysis on Vegetation Cover and Landscape Patterns Change in Cuiping[J].Research of Soil and Water Conservation,2013,20(03):104-109.
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翠屏区植被覆盖及其景观格局变化遥感分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 20 期数: 2013年03期 页码: 104-109 栏目: 出版日期: 2013-06-28
Title:
Remote Sensing Analysis on Vegetation Cover and Landscape Patterns Change in Cuiping
作者:
高国林1,2, 王石英1,2, 蒋容1,2
1. 四川师范大学 西南土地资源评价与监测教育部重点实验室, 成都 610068;
2. 四川师范大学 地理与资源科学学院, 成都 610101
Author(s):
GAO Guo-lin1,2, WANG Shi-ying1,2, JIANG Rong1,2
1. Key Lab of Land Resources Evaluation and Monitoring in Southwest, Ministry of Education, Sichuan Normal University, Chengdu 610068, China;
2. College of Geography and Resources Science, Sichuan Normal University, Chengdu 610101, China
关键词:
植被覆盖; 景观格局; 变化趋势; 四川省翠屏区; 遥感
Keywords:
vegetation cover; landscape pattern; changing trend; Cuiping district of Sichuan province; remote sensing
分类号:
TP79
摘要:
植被覆盖变化对区域生态环境质量有着重要的影响。分析翠屏区近年来植被覆盖变化趋势，可为该区域植被覆盖动态变化提供监测方法。利用Landsat数据以及相关辅助数据，通过最大值合成的NDVI的变化趋势和像元二分模型，分析翠屏区2001—2009年植被覆盖变化。结果表明：近9 a来翠屏区植被整体覆盖变化改善与退化同时存在，但改善面积大于退化面积；高覆盖度植被面积明显增加，整体植被面积呈增加趋势。此外，选用7个景观指数分析了2001年与2009年不同植被盖度的景观格局变化，发现2009年高盖度植被斑块密度比2001年低，但其整个区域破碎度比2001年高。2009年斑块周长面积分维数和Shannon’s多样性指数比2001年小，但2009年高盖度植被最大斑块面积和聚合度都较大，其具有的生态自然保护功能明显强于2001年。因此，应继续加强和完善植被覆盖保护措施，以维护植被高覆盖的良好趋势。
Abstract:
Vegetation cover change had a very important effect on regional ecological environment quality. Analyzing the trend change of vegetation cover can provide monitoring methods for vegetation cover dynamic change in Cuiping district. The changing trends of maximum value composited of NDVI and dimidiate pixel model were used to analyze the vegetation cover change in Cuiping district from 2001 to 2009 by using landsat and related auxiliary data. The results indicated that the improvement and degradation of the whole vegetation cover area in Cuiping district coexisted simultaneously for the past 9 years, but the improved vegetation area was larger than the degradation area. The area with high vegetation coverage markedly increased as well as the whole trend of vegetation cover area increased. Moreover, seven landscape indices were selected to analyze the landscape pattern change of different vegetation coverage in 2001 and 2009. The results indicated that the patch density of high vegetation coverage in 2009 was lower than that in 2001, but the whole area fragmentation was higher than 2001. The patche perimeter area fractal dimension and Shannon’s diversity index in 2009 were smaller than in 2001, but both of the largest patch area and aggregation index in 2009 were larger, which meant that its ecological nature conservation function was significantly stronger than 2001. Thus, in order to maintain favorable trend of high vegetation cover, it should be kept on enhancing and perfecting the regional protective measures of vegetation cover.

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备注/Memo

收稿日期:2012-08-03;改回日期:2013-01-06。
基金项目:四川省教育厅重点项目（2005A091）；四川师范大学研究生科研创新基金项目（校研字[2012]6号）
作者简介:高国林(1985-),男,海南东方人,硕士研究生,主要研究方向为遥感与GIS应用。E-mail:gglin2011@163.com
通讯作者:王石英(1970-),男,四川仁寿人,博士,副教授,主要从事遥感与GIS应用。E-mail:Wangsy163@163.com

更新日期/Last Update: 1900-01-01