Quiz 10: Global Impact of Deforestation and Population Growth

Dr. Raven

The keynote address for the American Association for the Advancement of Science was ________

Up to 100,000 people

What is the estimated number of people who starve to death every day?

1. Population growth in outgrowing the agricultural production rates

2. Extreme poverty

3. Deforestation

What are the three main factors contributing to serious problems in the tropics?

10 trees are cut for each one planted

What is the ratio of trees cut to trees planted in the tropics?

29

In Africa, _______ trees are cut for each one planted

Madagascar

_____________ is home to about 8,500 species of plants, with 6,500 found nowhere else, and is the only place where lemurs survive

rise of 3-5 degrees

Cutting evergreen forests in South America will precipitate a regional temperature _________ of _____________ Celsius

Debt leads to decreased production of food for local consumption

- the focus then goes to exporting their crops to pay off their debt

What is the relationship between international debt and agricultural production in developing countries?

The rate of food production is not nearly as fast as the growth of the population

What is the effect of population growth on food production?

Use already deforested land to produce timber, pulp, beef, and other agricultural products

What is the recommended approach to preserve the remaining forests of the tropics?

Global economy

The destruction of natural resources in the tropics and subtropics us ultimately related to the ____________