This dataset is a map of the climate change scenario of the average yearly total biomass (aboveground) in metric tons per hectare for projected year 2030 based from 2001 to 2010 from perturbed climate with A1B emissions scenario under ECHAM 5 and high sensitivity model. It covers the Central Slopes NRM region. Intended for use at catchment scale, this raster dataset has a cell size of 90m x 90m. The modelling work was done using the Soil and Water Assessment Tool (SWAT).