Biodiversity depicts the presence of diverse plant and animal species in an area (terrestrial/aquatic). Genetic variations within a certain species is also regarded as biodiversity; differences in height, color of eyes or skin of members of a specie. Furthermore, biodiversity depicts how different ecosystems exist in an area. In principle, biologically diverse environments ensure sustainability of diverse life forms dwelling in that environment. It safeguards man’s dependence on biological resources for food, medicine, economic growth and development.
The diversity of life-forms within 5km radius of the Yongwa quarry is principally terrestrial. No aquatic ecosystems have existed in the area in the past 20 years, according to community records and satellite imagery. The quarry is surrounded by deciduous forest with patches of grassland and farms. Interestingly, terrestrial ecosystems known to be rich in diversity of life-forms are forests and grassland, though forests potentially possess more diversity than grassland.
In our research, we highlight some changes that have occurred in space and time, specifically with forest and grassland ecosystems around the Yongwa quarry. We examine the spatial extent (area) of these ecosystems in the past, and how they either dwindled or expanded in time. Our concept is that, examining these ecosystem changes would give an indication of the degree to which biodiversity changes have occurred in space and time around the Yongwa quarry