2005~2021年韶关市市辖区景观格局演变研究

Study on the Evolution of Landscape Patterns in Shaoguan City from 2005 to 2021

通过对韶关市市辖区景观格局研究揭示其城市景观发展规律,总结作为生态风景旅游城市的韶关市存在的生态问题。在ENVI5.3中对韶关市市辖区遥感影像进行景观分类,利用景观格局指数、景观类型转移矩阵和移动窗口法对研究区景观格局演变进行分析和计算,揭示韶关市市辖区2005~2021年的景观格局演变规律和主要趋势。研究结果表明:2005~2021年,受城市化进程影响,韶关市市辖区耕地面积减少293.83 km~2,建设用地面积增加313.30 km~2。说明了韶关市市辖区景观在2005~2021年间整体多样性上升、景观趋于集中分布。

College of Landscape Architecture and Art Design,Hunan Agricultural University,Changsha,Hunan 410128,ChinaAbstract:The law of urban landscape development is revealed by studying the landscape patterns of Shaoguan City.The ecological problems that Shaoguan City is as an eco-scenic city are summarized.Remote sensing images of Shaoguan City were classified by Envi5 NVI5.3,and the evolution of landscape patterns was analyzed and calculated by using landscape pattern index,landscape type transfer matrix and moving window method,in order to reveal the main trends of the evolution of Shaoguan City from 2005 to 2021.The result show that from 2005 to 2021,the urbanization process had an impact on the decrease of cultivated land area by 293.83 km2 and the increase of construction land area by 313.30 km2 in Shaoguan City.It is concluded that the landscape of Shaoguan City was diversified,and the landscape tended to be centralized from 2005 to 2021.