|Table of Contents|

Analysis of Forest Landscape Pattern in Chongli District

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年22
Page:
105-113
Research Field:
Publishing date:

Info

Title:
Analysis of Forest Landscape Pattern in Chongli District
Author(s):
ZHONG Liangzi1YUAN Shengliang2MA Junjie1WEN Yafei1YANG Xinbing1
(1.College of Forestry,Hebei Agricultural University,Baoding,Hebei 071000;2.Graduate School,Hebei Agricultural University,Baoding,Hebei 071000)
Keywords:
Chongli districtforest landgrain sizelandscape structurelandscape patternlandscape diversity pattern
PACS:
-
DOI:
10.11937/bfyy.20190899
Abstract:
Forest land was the main ecosystem type in Chongli district of Zhangjiakou city,Hebei province.Its quality determines whether the regional landscape structure and pattern of Chongli competition area of 2022 Winter Olympic Games were balanced or not,thus affecting the local ecological environment.In this paper,ArcGIS and Fragstats software were used to study the characteristics of forest land landscape structure and landscape pattern in Chongli district by comparing the effect of landscape index with grain size and determining the optimal analysis grain size.The results showed that,1) The largest forest land landscape type in chongli district was arbor forest land (44.14%),and the minimum was forest auxiliary production land(0.11%).The landscape area percentage size of different forest land types was ranked as:arbor forest land>barren mountain land>special shrubs forest land>afforest land>afforest closed forest land>sandy waste land>open forest land>unstocked land>forest auxiliary production land.2) The number of patches,patch density,edge density and landscape shape index were all the largest in the landscape of arbor forest land,and forest auxiliary production land was the most unstable,which perimeter area fractal dimension index was 1.55.3) Arbor forest was the most concentrated forest land in distribution,and the separation degree index was the lowest (397.49).The connectivity of sandy waste land was the weakest,while the degree of aggregation index was the largest (88.99%),and the index of spreading degree was 64.66%,indicating that a variety of patch presented a distribution pattern.4) The Shannon′s diversity index of forest land landscape in Chongli district was 1.17,and the Shannon′s evenness index was 0.53.The forest land landscape fragmentation degree was serious in Chongli district,landscape heterogeneity and the distribution degree of all landscape elements was low with low connectivity.Moreover,the overall level of landscape diversity was simple.

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Last Update: 2019-12-11