Exploration of Species Diversity as Ecological Conditions Vary to Determine the Possible Areas for Collecting Tree Seeds in Amhara Region, Ethiopia
2023
Tewachew Worku Kegne | Ananda Virgínia Aguiar | Marcos Silveira Wrege | Valderês Aparecida de Sousa | Bruno Marchetti de Souza | Maria Teresa Gomes Lopes
The aim of this study was to determine the forest species trees and shrubs that occur in the Amhara region, Ethiopia, for determining the possible areas for collecting seeds and propagations to meet genetic conservation and use programs as well as the recovery of degraded areas. The study was conducted at Fudi Natural Forest in Fagta Lekoma district, Amhara region, northwestern Ethiopia. Using geographic information systems (GISs), the points of presence of species were plotted on the USGS SRTM map (GTOPO30) at 1 : 250,000 scale (USGS, 2018) using Arc GIS 10.1 software (ESRI, 2011). The map has been cropped and presented only for the citizens that contained points of presence of the species. Figures were generated in the JPG format for each species individually, presenting the distribution of each according to the altitude of the region. The maps were elaborated using multiple linear regressions, relating the bioclimatic variables with the numerical models of latitude, longitude, and altitude. Descriptive statistical analysis was initially performed. This was followed by performing a normality test to observe the data distribution. In the region, 1250 individuals of 32 families and 46 species were surveyed. The families most found in the northeast, north, northwest, southwest, southeast, and west regions were Mimosoideae, Euphorbiaceae, Celastraceae, and Rubiaceae.
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