Introduction
what is biodiversity
Variety and variability in flora and fauna species
Species not present in any part of the world
Extinct species
Dodo bird
Dianosaur
Rawmaterial, fuel, medicines- Values
Consumptive use value
Forest fire
Habitat loss
Conservation of animals and plants in their habitat
In-situ conservation
Species biodiversity examples
Varieties of grapes, tomatoes, cats, dogs
Decrease in number of species than its critical level
Endangered species
Tiger
Asiatic lion
Silkworm to Silk, Skin of animals to Leather, Sheep to Wool, Cotton to Textile
Productive use value
Hunting, Killing
Poaching
Conservation of animals and plants outside their habitat
Ex-situ conservation
Genetic biodiversity examples
Indian Teak, Malaysian Teak, Burma Teak.
Rice varieties
Decrease in species due to pollution, habitat loss, poaching etc.,.
Threatened or Vulnerable species
Sea Turtles
Rhinocerous
Neem, Banyan, Peacock, Snake, Dog
Social value
Fighting of human with animal
Man-wild life conflict
NBPGR
National Bureau of Plant Genetic Resources,
New-Delhi
Ecosystem biodiversity example
Different ecosystems in large landscape In India, In Tamil nadu
Thinly populated species available in large number in a particular area
Rare species
Gobi Bear
Cheetah
Ganges, Giraffe
Existence value
Wetlands creation, Dam construction, Deforestation etc.,.
Biodiversity loss
NBAGR
National Bureau of Animal Genetic Resources,
Haryana
IUCN expansion
International Union of Conservation of Nature and natural Resources
List of species availability indicating the number of species
Red data book
Taxus buccate - Curing cancer
Optional value
Natural scavenging in forest
Food chain
Liquid Nitrogen, -196 degree C
Cryo Preservation of Plant and animal genetic original varieties