2021
DOI: 10.7717/peerj.10965
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Spatiotemporal dynamics of habitat suitability for the Ethiopian staple crop, Eragrostis tef (teff), under changing climate

Abstract: Teff (Eragrostis tef (Zucc.) Trotter) is a staple, ancient food crop in Ethiopia. Its growth is affected by climate change, so it is essential to understand climatic effects on its habitat suitability in order to design countermeasures to ensure food security. Based on the four Representative Concentration Pathway emission scenarios (i.e., RCP2.6, RCP4.5, RCP6.0 and RCP8.5) set by the Intergovernmental Panel on Climate Change (IPCC), we predicted the potential distribution of teff under current and future scen… Show more

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Cited by 6 publications
(1 citation statement)
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“…We used the Band Collection Statistics tool in ArcGIS 10.2 to analyze the spatial correlation of the above environmental variables. Among the paired variables with correlation coe cients > 0.8, we discarded the ones (curvature and relief) with less contribution to the habitat suitability model to reduce the over-tting of the model caused by multicollinearity among variables (Graham 2003;Liu et al 2005;Swanepoel et al 2013;Zewudie et al 2021). For the raster data of all the above factors, the spatial resolution was resampled to 30 m, the projection coordinates were set to WGS1984 UTM Zone 47N, and then they were converted to ASCII format.…”
Section: Environmental Variablesmentioning
confidence: 99%
“…We used the Band Collection Statistics tool in ArcGIS 10.2 to analyze the spatial correlation of the above environmental variables. Among the paired variables with correlation coe cients > 0.8, we discarded the ones (curvature and relief) with less contribution to the habitat suitability model to reduce the over-tting of the model caused by multicollinearity among variables (Graham 2003;Liu et al 2005;Swanepoel et al 2013;Zewudie et al 2021). For the raster data of all the above factors, the spatial resolution was resampled to 30 m, the projection coordinates were set to WGS1984 UTM Zone 47N, and then they were converted to ASCII format.…”
Section: Environmental Variablesmentioning
confidence: 99%