The 13th edition is structured to cover both classical ecology and contemporary environmental issues. Key sections include:
: Discusses biodiversity, wildlife conservation in India, environmental monitoring (EIA), and Indian environmental laws. Significance for UPSC and Competitive Exams ecology and environment pd sharma pdf drive top
: The book includes vital data on India's biogeographic regions, vegetation, and specific status of air and water quality. The 13th edition is structured to cover both
: Analyzes ecosystem structure, rate functions, and habitat ecology. wildlife conservation in India