Human Impacts On Biodiversity Flashcards Preview

Biodiversity > Human Impacts On Biodiversity > Flashcards

Flashcards in Human Impacts On Biodiversity Deck (7)
Loading flashcards...
1

What percentage has crop land and pasture increased by?

29% over the earth surface

2

What is albedo?

Reflectivity of a surface

3

What is the albedo percentage of concrete and tarmac roads?

Concrete= 20%
Tarmac roads= 10%

4

How much higher can the temperature of a city be?

4 degrees

5

What it the global temperature predicted to rise to in 50 years?

1.5-2 degrees

6

Give 3 examples of direct exploitation

Bush meat

Fuelwood

Marine fisheries

7

What is El Niño?

A weather phenomenon that starts in the Pacific Ocean and affects many parts of the world causing disturbed weather