论文部分内容阅读
信阳市地处亚热带向暖温带过渡地区,植物资源非常丰富。随着现代城市园林的发展,信阳市对优良观赏树种的需求也在不断增加。针对目前信阳市园林绿化所急需观的赏树种类型,对该地区前期普查的树种进行筛选,初步选出20种观赏树种。然后利用层次分析法(Analytical Hierarchy Process,AHP),根据观赏树种的花色等观赏特性为指标构建评价体系对初选树种进行综合评价,最后决选出可大力推广的观赏树种7种,可适当推广应用的观赏树种5种。
Xinyang City is located in the subtropical transitional zone to warm temperate, plant resources are very rich. With the development of modern urban gardens, Xinyang City, the demand for fine ornamental species is also increasing. According to the current need of ornamental tree species in Xinyang City landscape afforestation, the species of pre-census in this area were screened, and 20 species of ornamental trees were initially selected. Then AHP (Analytical Hierarchy Process) was used to construct the evaluation system based on the ornamental characteristics of ornamental tree species as the index to make a comprehensive evaluation of the primaries. Finally, 7 species of ornamental tree species could be popularized, which could be appropriately promoted Appreciation of species 5 species.