近20年来成都市主要生态系统时空格局演变分析

发布时间：2018-05-17 16:11

本文选题：生态系统 + 时空演变　；参考：《绵阳师范学院学报》2016年08期

【摘要】：研究区域生态系统的变化特征与规律对区域经济的持续发展具有重要意义,成为当前生态环境问题研究的热点.以成都市为例,利用1990年、2000年和2010年三期生态系统数据集,在Arc GIS技术支持下,利用动态度、转移矩阵、状态指数等方法,对成都市生态系统的变化进行定量分析,探究了成都市生态系统的时空变化特征.结果表明:(1)近20年来,随着成都市经济社会的快速发展、城镇化进程的加快,成都市各生态系统都发生了巨大的变化,尤以农田与聚落生态系统的变化最为显著.(2)各生态系统之间的相互转化比较复杂,变化最剧烈的是聚落生态系统,转出量最大的是农田生态系统.(3)从生态系统转换的趋势看,农田生态系统处于减少状态且减少的趋势在增强,聚落生态系统处于增加状态且增加的趋势在增强.成都市经济社会的快速发展是引起生态系统变化的主要原因.
[Abstract]:It is of great significance for the sustainable development of regional economy to study the changing characteristics and laws of regional ecosystem, which has become a hot topic in the research of ecological environment. Taking Chengdu as an example, using the ecosystem data sets of 1990, 2000 and 2010, with the support of Arc GIS technology, using the methods of dynamic degree, transfer matrix and state index, the change of ecosystem in Chengdu is analyzed quantitatively. The temporal and spatial characteristics of Chengdu ecosystem are studied. The results show that in the past 20 years, with the rapid economic and social development of Chengdu and the acceleration of urbanization, the ecological systems in Chengdu have undergone tremendous changes. In particular, the change of farmland and settlement ecosystem is the most significant. (2) the mutual transformation of each ecosystem is more complex, the most drastic change is the settlement ecosystem, and the largest amount of transition is the farmland ecosystem. (3) from the trend of ecosystem transformation, The farmland ecosystem is decreasing and the decreasing trend is increasing, while the settlement ecosystem is increasing and increasing. The rapid development of economy and society in Chengdu is the main cause of ecosystem change.
【作者单位】：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;四川师范大学地理与资源科学学院;
【分类号】：F301.2

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