Human Impacts On Cold Environments Flashcards
1
Q
How many people live in polar arctic and tundra environments?
A
1.3 million
2
Q
How much has the caribou population changed between the 1970s and 1989?
A
100,000 to 160,000
3
Q
Why are the caribou birth rates decreasing?
A
Increased snowfall and shorter summers mean they’re not able to graze well
