Biodiversity And Conservation, loss of biodiversity Flashcards
(18 cards)
Acc to IUCN red list 2004, no of extinct species in past 500 years is
784
Colonisation of tropical pacific islands has led to
Extinction of 2000 bird species
No of extinct species of vertebrates
338
No of extinct species of invertebrates
359 species
No of extinct species of plants
87
Extinction from Mauritius
Dodo
Extinction from Africa
Quagga
Extinction from Australia
Thylacine
Extinction from Russia
Stellar sea cow
Name the extinct subspecies of tigers
Bali
Javan
Caspian
No of species that have disappeared in last 20 years
27
No of species facing threat of extinction
15,000
Most vulnerable species to extinction
Amphibians
Threat of extinction - bird
12%
Threat of extinction amphibians
32%
Threat of extinction gymnosperms
31%
Threat of extinction mammals
22%
Current species extinction rate
100-1000 times faster compared to presumably era