There are several environmental factors that interact in a particular locality, due to the existence of the variety of environmental factors, there are several approaches for undertaking ecological investigations. Each approach has its own merits and demerits.
Thus, ecologists use one of the suitable approaches to understanding a particular ecological phenomenon. The ecological approaches consist of, population approach or autecology, community approach or synecology, the ecosystem approach, habitat approach, evolutionary approach, and historical approach. […]