Roan antelopes that were once abundant in the in the 1880s have been reduced to a remnant population of less than fifty individuals in the last estimate,November 2009. Magin and Kock in their Roan Antelope Recovery Plan in the Ruma National Park considered poaching as a major factor affecting population growth of roans. Lambwe Valley is believed to have uranium deposits that could affect fertility. Inbreeding in small populations is known to have substantial effects on population growth rate. I have incorporated genetic defect in this model. This was made possible by making appropriate adjustments to Vortex Version 9.99 which is a computerized program for the simulation of the extinction process.
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