Authors:
Opoku Ohemeng, M.; *Agyei-Ohemeng, J., Adu Bright Yeboah ,Ghana
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Abstract:
Estimation of wildlife population density is practically difficult because it requires considerable
investment of resources and time. However, population indices are easier to obtain but they are
mostly influenced by many unknown factors. Population indices and their relationships to actual
counts are usually unclear. Since predators play very important role in the population dynamics
of prey species it has been investigated in science that predators limit or regulate a prey
population within an ecological system. This paper attempts to provide a foundation on predatorprey mathematical model using bifurcation analysis to describe the role that Pied crow, (Corvus
albus) play in the population dynamics of Straw-colored fruit bats, (Eidolon helvum) on the
University of Energy and Natural Resources campus in Sunyani. Bifurcation is used to analyze
the changes in qualitative structure of differential equations. The analysis confirms that at the
equilibrium point (0,0), of the two populations are stable using center manifold theory, all other
equilibrium points are unstable. It is therefore recommended that further application of the
analysis can be used to analyze other known populations where there is a predator-prey
relationship.
Keywords: E |
