| 3 | Spatial distribution of above ground carbondensity in Harana Forest,Ethiopia显示文摘Background:The need for understanding spatial distribution of forest aboveground carbon density(ACD)hasincreased to improve management practices of forest ecosystems.This study examined spatial distribution of theACD in the Harana Forest.A grid sampling technique was employed and three nested circular plots were establishedat each point where grids intersected.Forest-related data were collected from 1122 plots while the ACD of each plotwas estimated using the established allometric equation.Environmental variables in raster format were downloadedfrom open sources and resampled into a spatial resolution of 30 m.Descriptive statistics were computed to summarize the ACD.A Random Forest classification model in the R-software package was used to select strong predictors,and to predict the spatial distribution of ACD.Results:The mean ACD was estimated at 131.505 ton per ha in this study area.The spatial prediction showed thatthe high class of the ACD was confined to eastern and southwest parts of the Harana Forest.The Moran’s statisticsdepicted similar observations showing the higher clustering of ACD in the eastern and southern parts of the studyarea.The higher ACD clustering was linked with the higher species richness,species diversity,tree density,tree height,clay content,and SOC.Conversely,the lower ACD clustering in the Harana Forest was associated with higher soilcation exchange capacity,silt content,and precipitation.Conclusions:The spatial distribution of ACD in this study area was mainly influenced by attributes of the forest standand edaphic factors in comparison to topographic and climatic factors.Our findings could provide basis for bettermanagement and conservation of aboveground carbon storage in the Harana Forest,which may contribute to Ethiopia’s strategy of reducing carbon emission. | Girma Ayele Bedane Gudina Legese Feyisa Feyera Senbeta | 2022 | Ecological Processes2022，11，1： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员