Forest and Grassland Resources Research >
Analysis of Landscape Patterns of National Wetland Parks—A case study of Egret Wetland Park in Chengdu
Received date: 2017-07-05
Revised date: 2017-09-26
Online published: 2020-09-24
Based on some data of Egret Wetland Park and principles of landscape ecology,ArcGIS software and Amap photo pictures had been used,meanwhile the spots had been investigated. The characteristic index of patches,the landscape diversity index had been selected to analyze the spatial pattern of Egret Wetland Park area. The total area of Egret Wetland Park area was 200.04 hm2,the grassland and lake were the main landscapes in Egret Wetland Park,which accounted for 123.52 hm2 and 26.31 hm2,PLAND were 61.75% and 13.15%. From the results of patch density(PD)and number of patches(NP),the degrees of fragmentation of different sights were similar,it showed that the degree of fragmentation of road(NP=85 n,PD=42.49 n/100hm2)and grassland(NP=48 n,PD=24.00 n/100hm2)were higher. In addition,the calculation results of mean shape index(MSI)and mean patch fractal dimension(MPFD)indicated that the river(MPFD=1.43,MSI=12.21)was the most complicated in patch shape,while shrub(MPFD=1.07,MSI=1.50)was simplest. The Shannon’s diversity index was 1.31,the Shannon’s evenness index was 0.63,which indicated that the landscape diversity was high,the dominant patch was obvious,the distribution of patches was not uniform.
Linan GAO . Analysis of Landscape Patterns of National Wetland Parks—A case study of Egret Wetland Park in Chengdu[J]. Forest and Grassland Resources Research, 2017 , 0(5) : 108 -113 . DOI: 10.13466/j.cnki.lyzygl.2017.05.018
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