Human Impacts On Biodiversity Flashcards
1
Q
What percentage has crop land and pasture increased by?
A
29% over the earth surface
2
Q
What is albedo?
A
Reflectivity of a surface
3
Q
What is the albedo percentage of concrete and tarmac roads?
A
Concrete= 20%
Tarmac roads= 10%
4
Q
How much higher can the temperature of a city be?
A
4 degrees
5
Q
What it the global temperature predicted to rise to in 50 years?
A
1.5-2 degrees
6
Q
Give 3 examples of direct exploitation
A
Bush meat
Fuelwood
Marine fisheries
7
Q
What is El Niño?
A
A weather phenomenon that starts in the Pacific Ocean and affects many parts of the world causing disturbed weather