Land use patterns and tree species diversity in the Volta Geological Unit, Togo

作     者：FOLEGA Fousseni ATAKPAMA Wouyo WALA Kperkouma MUKETE Beckline SHOZO Shibata AKIRA Osawa ZHAO Xiu-hai AKPAGANA Koffi 

作者机构：Geomatic and Ecosystems Modeling/Laboratory of botany and Plant EcologyFaculty of SciencesUniversity of LomeLome01BP1515Togo Key Laboratory for Forest Resources&Ecosystem ProcessesBeijing Forestry UniversityBeijing 100083China Graduate School of Global Environmental StudiesKyoto UniversityKyoto 606-8501Japan Department of Forest ManagementBeijing Forestry UniversityBeijing 100083China 

出 版 物：《Journal of Mountain Science》 (山地科学学报（英文）)

年 卷 期：2019年第16卷第8期

页      面：1869-1882页

核心收录：

学科分类：07[理学] 0713[理学-生态学] 

基　　金：Bonn University Dynamics of Kyoto University Forest Resources & Ecosystem Processes Lab of Ecosystem Production and The Academy of Sciences for the Developing World, TWAS Matsumae International Foundation, MIF, (MIF) Beijing Forestry University, BFU 

主　　题：Ecological diversity Land use Ecological restoration Forest degradation Togo 

摘      要：The application of remote sensing in understanding tree species structural diversity and land use patterns relationship is imperative for reforestation and biodiversity conservation efforts. This study assesses land use patterns and tree species structural diversity in previously reforested hilly sandstone regions of northern Togo. The physical height, and diameter at breast height(DBH) more than 5 cm of all tree species in each given plot were measured in summer 2017. A total of 75 plots of 900 m^2 installed along the toposequence were recorded. In addition, a semi-supervised classification of Landsat 8 images in January of 2018, was also used to classify the land use patterns. 36 tree species and 19 families were recorded for the entire study area. Meanwhile, 19 tree species and 15 families were recorded for the previously afforested zones. The most abundant species included the Sterculiaceae, Zygophyllaceae, Meliaceae, and Mimosaceae. The trees stand structure represented 8.61 ± 0.57 m, 11.28 ± 1.76 cm, and 0.018 ± 0.009 m^2 per hectare for height, diameter and basal area respectively. Major land use patterns were tree and shrub savannahs, parklands and croplands which represented over 60% of the landscape. It is necessary to examine the regeneration and vegetative multiplication potentials of the most frequent and abundant tree species for any eventual future afforestation programs in these hilly sandstone regions of northern Togo.