[1]李玉珍,张永福,安放舟.基于GIS的新和县土地利用生态风险分析[J].水土保持研究,2015,22(01):172-175,180.
　LI Yuzhen,ZHANG Yongfu,AN Fangzhou.Analysis on Ecological Risk of Land Use in Xinhe County Based on GIS[J].Research of Soil and Water Conservation,2015,22(01):172-175,180.
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基于GIS的新和县土地利用生态风险分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 22 期数: 2015年01期 页码: 172-175,180 栏目: 出版日期: 2015-02-28
Title:
Analysis on Ecological Risk of Land Use in Xinhe County Based on GIS
作者:
李玉珍1,2, 张永福1,2, 安放舟1,2
1. 新疆大学 资源与环境科学学院, 乌鲁木齐 830046;
2. 新疆大学 绿洲生态教育部重点实验室, 乌鲁木齐 830046
Author(s):
LI Yuzhen1,2, ZHANG Yongfu1,2, AN Fangzhou1,2
1. College of Resources and Environment Science, Xinjiang University, Urumqi 830046, China;
2. Key Lab of Oasis Ecology, Xinjiang University, Urumqi 830046, China
关键词:
土地利用; 遥感影像; 生态风险
Keywords:
land use; remote sensing image; ecological risk
分类号:
X826
摘要:
利用新和县2008年、2013年的遥感影像数据，分析了2008—2013年新和县土地利用结构变化规律，并讨论了由此引发的生态风险。对研究区来说，以2008—2013年间的两幅遥感解译图为基本信息，根据不同时间段土地要素的结构特征，构造生态风险指数。利用系统空间采样方法对生态风险指数进行变量的空间化。通过对生态风险指数采样结果进行半变异函数分析和空间插值，从而揭示研究区生态风险的空间特征和内在形成机制。结果发现：在2008—2013年间，研究区林地面积和其他用地面积在减少，其中其他用地面积减少最明显，其次是林地面积。耕地面积、水域面积几乎未发生改变；草地面积和建设用地面积都在增加；在整个研究期内，研究区生态系统生态风险值出现变化。总体来说，研究区生态环境状况在2008—2013年趋于恶化状态。
Abstract:
Remote sensing image data of Xinhe’s from 2008 to 2013 were used to explored the rule of changes of land structure, and discussed the resulting ecological risk. For the study area, in 2008—2013 the two landscape remote sensing showed the basic information, and according to the structure characteristics of different periods of landscape elements ecological risk index was constructed. System space sampling method was used to analyse the ecological risk index variable space. The the sampling results of ecological risk index were analyzed by using half variant function and spatial interpolation, thus the space of the ecological risk in the study area and internal mechanism were revealed. The results showed that from 2008 to 2013, forestland area in the study region and other land area were decreasing, whereas other land area reduced, the most obvious change was followed by woodland area. Arable land and water area were almost the same;grassland area and construction land area were increasing;during the whole research period, the ecosystem risk value in of the study area changed. Overall, the ecological environment in the study area was deteriorating from 2008 to 2013.

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备注/Memo

收稿日期:2014-03-24;改回日期:2014-05-09。
作者简介:李玉珍(1989-),女,新疆新源县人,硕士研究生,主要从事地图学与地理信息系统方面的研究。E-mail:liyuzhenkuaile@126.com
通讯作者:张永福(1964-),男,新疆乌鲁木齐人,副教授,硕士生导师,主要从事土地资源评价及土地利用规划等方面科研工作。E-mail:280481945@qq.com

更新日期/Last Update: 1900-01-01