Clear examples of mutualism, commensalism, parasitism, and competition. 3. Environmental Pollution and Degradation
: Tools for environmental monitoring and impact assessment . Book Specifications Environment and Ecology - Uttarakhand Open University
Most university and college libraries carry multiple copies of P.D. Sharma's works across various editions.
: Dedicated chapters on Air, Water, and Land pollution, including status reports for India . ecology and environment pd sharma 13th edition pdf verified
Use NCERT for basics, Shankar IAS for revision, and P.D. Sharma for theoretical depth. Buy Shankar's book (which is cheaper and more current) while you save up for the official e-book of Sharma.
It covers environmental issues specific to India, including air quality, water quality, and biodiversity. Highly Recommended for:
: A critical look at the mechanisms and impacts of our changing planet. Use NCERT for basics, Shankar IAS for revision, and P
by Dr. P.D. Sharma is widely regarded as one of the most comprehensive and authoritative textbooks for students and researchers in environmental sciences. The 13th edition , published by Rastogi Publications , provides an in-depth exploration of ecological principles while addressing contemporary global challenges. Overview of the 13th Edition
Offers clear theoretical explanations needed for both the Prelims (Environmental Ecology) and Mains (GS Paper III - Environment and Biodiversity).
, is widely considered a cornerstone textbook for students of environmental sciences, botany, and competitive exam aspirants, such as those preparing for the UPSC. Key Features & Content Comprehensive Scope : The book spans over with “no garbage to filter
You are reading the updated 13th edition, not an old 10th or 11th edition. Completeness: All 25+ chapters and diagrams are included.
The enduring popularity of P.D. Sharma‘s book is due to its unique blend of classical ecological theory and contemporary environmental science. It’s not merely a dry list of facts. Reviewers note its on the ecology portion, stating it provides a very detailed picture of what is required for the UPSC, with “no garbage to filter, only the essential and important part”.