吴起县森林资源景观格局分析

以遥感影像为基本信息源,在GIS支持下,用景观生态学的方法,选景观多样性、优势度、均匀度、破碎度、分离度和分维度等指数,对吴起县森林资源景观格局进行了分析。结果表明,其他灌木林、未成林造林地和宜林地是全县森林资源景观的主导类型;当地造林力度大;林业发展空间广阔;景观生态系统不稳定。

Analysis of the Landscape Pattern of Forest Resource in Wuqi County

In the paper the remote sensing image was used as the basic information source.Under the support of GIS and with the landscape ecology,the landscape patterns of the forest resource in Wuqi County was analyzed through the selection of some indexes,such as diversity,dominance,uniformity,degree of fragmentation,resolution,fractional dimension and so on.The result indicated that other shrubberies,the land where the forest had not been grown up and the land being suitable for forest growing were the dominant styles of the forest resource landscape of the whole county.The afforestation efforts were great.The space of forestry development was wide.The landscape ecology system was relatively unstable.