Answer:
6. Misra (1991) recognized four basic principles of ecology, as under:
(i) Holism, (ii) Ecosystem, (iii) Succession and (iv) Conversation.
Holism has been considered as the real base of ecology. In hierarchical levels at which interacting units of ecology are discussed, are as under:
Misra (1991) has recognised four basic requirements of environmental management as under:
Impact of human activities on the environment,
Value system,
Plan and design for sustainable development,
Environment education.
Keeping in view of the goal of planning for environmentally sustainable development, India contributed to the United Nations Conference on Environment and Development (UNCED), also referred to as “Earth Summit” held at Rio de Janeiro, the Capital of Brazil, 3rd-14th June, 1992.
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