Based on the technology of GIS and RS,the RS image of Landsat 7ETM in 2004 was used as the main data source.In the paper,with the new district of Lanzhou City as an example,the ecological security was evaluated by means of GIS spatial analysis functions and the entropy weight method,and countermeasures were put forward.Results show that the distribution of ecological security was uneven in Lanzhou and the differences were significant.Ecological security indexes were increased from new center area to the surrounding areas.The suggestion was that ecological planning and construction were constructed in the areas with lower indexes of ecological security,ecological restoration were constructed in the areas with higher indexes.
WU Xiaoqun
,
YAN Shuai
,
CUI Ming
. Assessment on Ecological Security of the New District of Lanzhou Based on GIS and RS[J]. Forest and Grassland Resources Research, 2014
, 0(4)
: 109
-113
.
DOI: 10.13466/j.cnki.lyzygl.2014.04.021
[1] 肖笃宁,陈文波.论生态安全的基本概念和研究内容[J].应用生态学报,2002,13(3):354-358.
[2] 刘红,王慧,张兴卫.生态安全评价研究述评[J].生态学杂志,2006,25(1):74-78.
[3] 陈星,周成虎.生态安全国内外研究综述[J].地理科学进展,2005,24(6):8-20.
[4] 高长波,韦朝海,陈新庚.区域生态安全评价时间序列动态分析——以广东为例[J].地理与地理信息科学,2005,21(6):105-111.
[5] 刘庄,沈渭寿,车克钧,等.祁连山自然保护区生态承载力分析与评价[J].生态与农村环境学报,2006,22(3):19-22.
[6] 黄辉玲,罗文斌,吴次芳,等.基于物元分析的土地生态安全评价[J].农业工程学报,2010,26(3):316-322.
[7] 高兰阳,尚迪,徐振寰,等.熵权赋权法灰色系统理论在大花蕙兰(Cymbidium hybridium) 品种综合评价中的应用初探[J].西南农业学报,2010,23(1):176-180.
[8] 陈培军,王静爱,冯文利,等.中国土地利用/覆盖变化的生态环境安全响应与调控[J].地球科学进展,2006,21(2):111-119.
