BIODIVERSITY AND CONSERVATION

Species of ants

20k

Species of beetles

3,00,000

Species of ants

20k

Species of beetles

3,00,000

Species of fishes

28000

Species of orchid

20000

Biodiversity popularized by

Edward Wilson

3 type of diversity

Genetic, species and ecological

Genetic diversity?

Single species - high diversity - genetic level

Rauwolfia vomitoria - himalayan ranges- potency and concentration of active chemical reserpine

Strains of rice

50,000

Mango varieties

1000

Species diversity

Wester ghats greater amphibian species than eastern ghats

Ecological diversity

India - deserts, raun forests, mangroves, coral reelfs, wetlands, estuaries and alpine meadows - greater ecosystem than a Scandinavian country like Norway

IUCN

International union for conservation if nature and natural resources - 2004

Total number of plant and animal species described so far

Slightly more than 1.5 million

Species inventories are

More complete in temperate than in tropical countries

Extreme estimate ls of total species on earth

20 to 50 million

Global species diversity by Robert May

About 7 million

More than 70 percent of species recorded

Animals

Plants (including algae, bryophyte, fungi, gymnosperms and angiosperms)

No more than 22 percent

Among animals, species rich ? % ?

Insects - 70%

Out of every 10 animals on this planet, how many are insects

7

Fungi species

More than the combined total of the species of fishes, amphibians, reptiles and mammals