XII: Chapter 15- Biodiversity and conservation Flashcards
Which sociobiologist popularised the term ecology?
Edward Wilson
What is the share of India to the global species diversity?
8.1%
How many mega diverse countries are present in the world?
12
How many plant and how many animals species are yet to be discovered in India?
One million plant species and 3 million animal species
How many species of birds does Colombia have?
1400 species
How many species of birds does New York have?
105
How many species of birds does Greenland have?
56
How many species of birds does India have?
1200
How many species of plants does Amazon rainforest have?
40,000
How many species of fishes does Amazon rainforest have?
3000
How many species of birds does Amazon rainforest have?
1,300
How many species of mammals does Amazon rainforest have?
427
How many species of amphibians does Amazon rainforest have?
427
How many species of reptiles does Amazon rainforest have?
378
How many species of invertebrates does Amazon rainforest have?
> 125000
WHat is the equation of species area curve ?
logS = Log C + Z logA
What is the range of the value of Z in the species are curve?
0.1 to 0.2
But in case of very large areas like entire continents- 0.6 to 1.2
What is the slope of frugivorous birds and mammals in tropical forests of different continents?
1.15
The rivet popper hypothesis was given by
Paul Ehrlich
Quagga was an animal that went extinct from which place?
Africa
Thylacine which went extinct was native to which country?
Australia
Steller’s sea cow which went extinct was native to which country?
Russia
Which subspecies of tiger have gone extinct?
Bali, Javan, Caspian
The last twenty years have witnessed the disappearance of how many species?
27
How many species are currently facing extinction?
>15500 12% bird species 23 % mammal species 32% amphibian species 31% gymnosperm species
How many mass extinctions have occurred till now?
5
The tropical rainforests have decreased in land cover from ___1___ to __2___.
1- 14%
2- 6%
The nile perch introduced in Lake Victoria in East Africa led to the extinction of
200 species of cichlid
What percent of drugs currently sold are derived from plants?
25%
How many plant species contribute to traditional medicines used by native people around the world?
25,000
How many biological hotspots were initially identified and now their number have been increased to?
25 initially
34 at present
What is the percent land cover of total earth’s land area that biological hotspots cover?
2%
How many biosphere reserves, national parks and wildlife sanctuaries does India have (according to NCERT)?
14 biosphere reserve
90 national parks
448 wildlife sanctuaries
When was the Earth summit organised? Where was it held?
1992
RIo de Janeiro
When was the World summit organised? Where was it held?
2002
JOhannesburg, South Africa
How many countries pledged in the world summit?
190
Till when were the goals of world summit to be fulfilled?
2010
According to estimates, what percent of total species have been recorded so far?
22%
Plants provide oxygen and so they should be protected. This is the approach of which utilitarian ideology?
Broadly utilitarian
Strict protection of biological hotspots can decrease the ongoing mass exteinction by
30%
Which is the largest wildlife sactuary in India?
Great Indian Bustard sanctuary
Keoladeo ghana bird sanctuary is located in
Bharatpur
Annamali sanctuary is present in
Coimbatore
Chilika lake bird sanctuary is located in
Odisha
Nanda devi national park is in
Uttranchal
Nilgiri biosphere is in
Karnataka, Kerala, Tamil Nadu
Are activities permitted in buffer zone of biosphere reserve?
Limited activites are allowed
Are activities permitted in transition zone of biosphere reserve?
Yes (settlement, farming, etc)
When was National Forest Policy revised?
1998
When was forest act passed?
1927
When was wildlife protection act passed?
1972
