摘要
据营口市柳树镇三个不同时期的土地利用资料,计测了景观中各类嵌块体的优势度、多样性和均匀性,分析了该区景观基质和格局的变化特点,小嵌块体的归并趋势及某些嵌块体优势度增加,各类嵌块体的转移速率等。结果表明,20多年来当地经济向城郊型农业发展,生态环境水平逐年提高。
On the basis of the land utilization information at three different periods in Liushu Town of Yingkou City, the dominancy, diversity and uniformity of different chimera in landscape were estimated ,and the change characteristics of landcape matrix and pattern in the area,merging trend of small chimera and dominancy increasing of some chimera and all kinds of chimera transfer rates are analyzed. The results indicate the local economy is trans-fered to outskirts of a town type of agricultural development in recent 20 years and the level of eco-environment is gradually raised.
出处
《农村生态环境》
CSCD
1993年第2期16-20,共5页
Rural Eco-Environment
关键词
景观
格局
优势度
多样性
生态环境
landscape pattern, dominancy, diversity , unifor- mity.
