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首页> 外文会议>Conference on Remote Sensing for Agriculture, Ecosystems, and Hydrology >Vegetation cover change detection in Chamela-Cuixamala, Mexico
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Vegetation cover change detection in Chamela-Cuixamala, Mexico

机译：Chamela-Cuixamala，墨西哥的植被覆盖变化检测

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In Mexico, and everywhere else, the ecosystems are constantly changing either by natural factors or anthropogenic activity. Remote sensing has been a key tool to monitoring these changes throughout history and also to understanding the ecological dynamics. Hence, sustainable development plans have been created in order to improve the decisionmaking process; thus, this paper analyses deforestation impact in a very important natural resourcing area in Mexico, considering land cover changes. The study area is located in the coast of Jalisco, Mexico, where deforestation and fragmentation as well as high speed touristic development have been the causes of enormous biodiversity losses; the Chamela-Cuixamala Biosphere Reserve is located within this area. It has great species richness and vast endemism. The exploitation of this biome is widespread all over the country and it has already had an impact in the reserve. The change detection multi-temporal study uses Landsat satellite imagery during the 1970-2003 time period. Thus, the objective of change detection analysis is to detect and localize environmental changes through time. The change detection method consists in producing an image of change likelihood (by post-classification, multivariate alteration detection) and thresholding it in order to produce the change map. Experimental results confirmed that the patterns of land use and land cover changes have increased significantly over the last decade. This study also analyzes the deforestation impacton biodiversity. The analysis validation was carried out using field and statistic data. Spatial-temporal changing range enables the analysis of the structural and dynamic effects on the ecosystem and it enhances better decision-making and public environmental policies to decrease or eliminate deforestation, the creation of natural protected areas as a biodiversity conservation method, and counteracting the global warming phenomena.
机译：在墨西哥，到处都是，生态系统通过自然因素或人为的活动不断变化。遥感一直是监视整个历史上这些变化的关键工具，也是理解生态动态。因此，已经创建了可持续发展计划，以改善决策过程;因此，考虑到陆地覆盖变化，本文分析了在墨西哥非常重要的自然资源区中的砍伐森林影响。该研究区位于墨西哥Jalisco海岸，其中森林砍伐和碎片以及高速旅游发展一直是巨大的生物多样性损失的原因; Chamela-Cuixamala生物圈储备位于该地区。它具有伟大的物种丰富性和巨大的民间主义。这种生物群落的开发是全国各地的普遍存在，它已经在储备中产生了影响。变化检测多时间研究在1970 - 2003年期间使用Landsat卫星图像。因此，改变检测分析的目的是通过时间检测和定位环境变化。变化检测方法包括产生变化似然的图像（通过分类后，多变量改变检测）和阈值为它以产生变化图。实验结果证实，过去十年的土地利用模式和陆地覆盖变化显着增加。本研究还分析了森林砍伐抗砍伐生物多样性。使用现场和统计数据进行分析验证。空间变化范围可以分析对生态系统的结构和动态影响，增强了更好的决策和公共环境政策，以减少或消除森林砍伐，自然保护区的创建作为生物多样性保护方法，并抵消全球范围变暖现象。

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