The course aims at studying the interactions between environment and organisms so as to increase the awareness among students about global environmental concerns. It also focuses on economic utilization of plants.
Definition and scope, interaction of climatic, topographic, edaphic and biotic factors constituting the environment components, ecological niche.
Community Ecology: Definition and brief history, characteristics of a community, ecological succession, composition, structure, origin and development of a community
Introduction, types of ecosystem, structure and function of ecosystem, biotic and abiotic components, food chain, food web, ecological pyramids, energy flow, productivity. Biogeochemical cycles (carbon, oxygen and nitrogen)
Plant adaptation: Soil-Plant Atomosphere Continuum (SPAC); morphological anatomical and physiological adaptations of Hydrophytes, Xerophytes and Halophytes with special reference to Eichhornia, Hydrilla, Casuarina, Nerium and Rhizophora
Air, Water and Soil Pollution: sources, effects on plants and ecosystems, control measures, greenhouse effect, ozone depletion, global warming, El Nino, La Nina.
Ex-situ and In-situ conservation, endangered and endemic plants, Red data book, afforestation, social forestry, chipko movement. Organization associated with biodiversity conservation – IUCN, UNEP, WWF and NBPGR; Biodiversity Hotspots
Origin, cultivation and uses cereals - wheat, rice and maize; medicinal plants - Sarpgandha, Guggal, Quinine, Ashwagandha, Spices and condiments - black pepper, cardamom, clove and cumin, Oil crops: Sunflower, Safflower, Sesame and Groundnut; Commercial crops - tea, rubber and sugarcane