OBJECTIVE FORESTRY

Detailed explanation-1: -Sustainability is the capacity to endure. In ecology the word describes how biological systems remain diverse and productive over time.

Detailed explanation-2: -Ecological sustainability is defined as the maintenance or restoration of the composition, structure, and processes of ecosystems including the diversity of plant and animal communities and the productive capacity of ecological systems (219.36).

Detailed explanation-3: -The idea of sustainability is often broken down into three pillars: economic, environmental, and social-also known informally as profits, planet, and people.

Detailed explanation-4: -Sustainability is the ability to exist and develop without depleting natural resources for the future. The United Nations defined sustainable development in the Brundtland Report as development that meets the needs of the present without compromising the ability of future generations to meet their own needs.