衡水市公园绿地植物多样性研究  

Diversity analysis on the plants of urban park green space in Hengshui

作　　者：史田田[1] 张彦广[1] 解文杰[1] 

机构地区：[1]河北农业大学园林与旅游学院,河北保定071001

出　　处：《河北林果研究》2013年第2期184-186,共3页Hebei Journal of Forestry and Orchard Research

摘　　要：为了掌握衡水市公园绿地植物多样性状况,对该市现有公园绿地抽取87个样方,进行了调查和数据分析。结果表明,衡水市公园绿地中重要值大于10%的乔灌木18种,均为当地适生树种。乔木54种,优势度指数和均匀度指数最高。灌木37种,优势度指数仅次于乔木层,但均匀度指数较低。草本20种,优势度指数和均匀度指数远远低于乔木层和灌木层。该市公园绿地植物群落多为乔灌草复层结构,唯灌木层和草本层配置大叶黄杨、金叶女贞、草地早熟禾、高羊茅比例过高。In order to know the situation of the plant diversity of park green space in Heng- shui, sampling surveys from 87 samples in four parks of Hengshui were conducted. The re- sults showed that 18 kinds of trees and shrubs as well growing local species, have the impor- tant values of 〉10%, 54 kinds of arbors with the highest dominance index and evenness in- dex, 37 kinds of shrubs with little lower dominance index than arbors but lower evenness in- dex and 20 kinds of herbs with much lower dominance index and evenness index than arbors and shrubs. The structure of the city park green space plant community is composited of grasses, shrubs and arbors, with the high ratio of the Euonymus japanicus, L. vicaryi, June grass and Tall rescue only is layers of grasses and shrubs.

关 键 词：衡水市 公园绿地 植物多样性 

分 类 号：S731.2[农业科学—林学]