Informations et ressources scientifiques
sur le développement des zones arides et semi-arides

Titre : Spatial Variability of Site Factors and Micro Site Classification in Arid and Barren Mountains of South Central Shandong Province

Auteur : 冯丹

Grade : Master 2021

Université : Shandong Agricultural University (山东农业大学)

Résumé partiel
Arid and barren mountainous area is one of the most difficult sites in Shandong Province,and poor site conditions are the important factors restricting vegetation restoration in this area.However,in the process of vegetation restoration,the site microenvironment mostly affects the growth and community development of trees.The traditional large-scale site classification method is not enough to meet the requirements of small-scale community construction.Based on this,this paper takes two typical arid and barren sites（gneiss mountain area and granite mountain area）in Shandong Province as the objects,and obtains high-precision remote sensing images and digital elevation models based on UAV aerial survey technology and photoscan platform ;The information of multi-dimensional stress factors was obtained through field investigation and laboratory analysis ;By using ArcGIS technology to interpret the site factors and analyze the spatial variability,two types of site micro sites are finally divided.The purpose of this study is to explore a set of methods that can accurately and quickly divide the types of micro sites in arid and barren mountains,and provide a theoretical basis for vegetation restoration and accurate plant community allocation in difficult sites

Mots clés : Micro site classification ;Multidimensional stress factors ;ArcGIS;Forestry thematic map ;Difficult-sites ;

Présentation (CNKI)