Descripción: Canada's Digital Collections. Government of Canada.
«In this era, economic growth and sustainable development bring to mind the contradictions of how we, as a society, think of the Ontario landscape and its natural resources. We need to understand how human actions have impacted the environment in order to predict what our impact will be in the future. This perspective requires comprehensive land use planning; and the solutions formed consider all users of natural resources. This is commonly referred to as an ecosystem approach where economic, social, physical, natural and cultural interests are considered connected and integrated into a comprehensive land use plan. The entire drainage network of a river, or watershed, is a natural geographic unit that represents a functioning ecosystem.»