1. Biodiversity SEMINAR PRESENTED BY KAUSHIK DAS B. ED ROLL-18
SESSION:

2. Biodiversity …..?
Biodiversity is the degree of variation of life forms within a given species, ecosystem, biome, or an entire planet
Biodiversity is a measure of the health of ecosystems

3. Significances 1.Environmental values
Maintains balance in nature by keeping the food chain undisturbed

4. 2. Store house of genes 2.5 lakhs species of plants
Only 5000 species studied properly!
only 30 to 35 species identified as food!!
--T.K Saha,2010

5. 3. Medicinal plants
Indian medicine system is largely dependent on such drug plants
Indian subcontinent is a rich emporia of 2500 plant species used in indigenous treatment
Aconitum sp.( ENDANGERED Plants )
Ephedra sp.

6. Significances….
☺ Aesthetical and cultural issue
☺ Economy development

7. Threats to Biodiversity !!?
Habitat loss and destruction! introduction of exotic (non-native) species ! over-exploitation ! pollution and contamination ! Global climate change ! and many more………………………………………..

8. Habitat loss and destruction !

9. Introduction of exotic species –Dhupi in Darjeeling!

10. over-exploitation !

11. Conservation of biodiversity
Legislation
Environment Protection Act, 1986
Fisheries Act, 1897
Forest Act, 1927
Forest (Conservation) Act, 1980
Wildlife (Protection) Act 1972
Wildlife (Protection) Amendment Act 1991

12. In-situ Conservation ●National parks and sanctuaries
Biosphere reserves-Sundarbans (West Bengal)
Reserved forests

13. Conservation strategies..........
►Ex-situ Conservation
conservation of plants and animals preserve them away from their natural habitat
► Community Participation in Biodiversity Conservation
►Green India Mission

14. Some critically endangered species in India: Source: (Ministry of Environment and Forests, Government of India)

15. So, Save Biodiversity
THANK YOU