摘要
赣州市林地资源丰富,但经济发展给当地的生态环境带来了负面影响。基于遥感生态指数,结合趋势分析和空间自相关方法,文章研究了赣州市2000-2021年间生态环境质量的时空变化特征。赣州市生态环境质量总体呈现上升趋势,21年间遥感生态指数值均在0.6以上,生态环境质量良好;趋势分析的结果表明,生态环境质量呈现下降趋势的面积占18.87%,呈现上升趋势的面积占74.4%;生态环境质量变化趋势存在显著的空间相关性,Moran’s I值为0.678,空间聚类类型主要表现为“高—高”和“低—低”聚类。
Ganzhou is rich in forest resources,but the economic development has also brought negative effects to the local ecological environment.Based on remote sensing ecological index,trend analysis and spatial autocorrelation method were used to study the spatial and temporal variation characteristics of ecological environment quality in Ganzhou city.The results showed that:(1)the ecological environment quality of Ganzhou city generally showed an upward trend,and the remote sensing ecological index values were all above 0.6 in 21 years.The area with a downward trend of ecological environment quality accounted for 18.87%,and the area with an upward trend accounted for 74.4%.(2)The change trend of ecological environment quality has significant spatial correlation.Moran’s I value is 0.678,and the spatial clustering types mainly show"high-high"and"low-low"clustering.
作者
缑少伟
顾盼盼
GOU Shaowei;GU Panpan(School of Civil and Surveying&Mapping Engineering,Jiangxi University of Science and Technology Ganzhou,Jiangxi,341000,China)
出处
《长江信息通信》
2022年第12期42-45,共4页
Changjiang Information & Communications
关键词
生态环境质量
趋势分析
空间自相关
时空变化
Ecological environment quality
Trend analysis
Spatial autocorrelation
Change of time and space
