Question

c) humans altering the landscape for agriculture
a) terracing

• define terrace farming.
• what benefits do flat surfaces have over steep hillsides?
• terrace farming in east asia is used to grow __________
• terrace farming in northern africa is used to grow __________
• in south america, terrace farming is used to grow __________

b) managing water

• define irrigation.
• explain the importance of irrigation in the 19th (1800s) and 20th (1900s) centuries
• issues with the misuse of irrigation

-
-
-

• define carrying capacity.
• though draining wetlands can increase the amount of farmland and thus carrying capacity, a major drawback is

______________________________________________________________________________________.
c) clearing trees and other vegetation

• define deforestation.
• identify where deforestation occurs around the world.
• cutting down trees can result in...
• _____________ erosion
• decrease in __________
• devastating global _____________ damage.

(a) cutting down trees leads to an increase in carbon dioxide in the

Explanation:

Answer:

1. Terrace farming is the practice of cutting flat areas out of a hilly or mountainous landscape in order to grow crops.
2. Flat surfaces reduce soil erosion and allow for better water retention compared to steep hillsides.
3. Rice
4. Mediterranean crops (such as olives and grapes)
5. Potatoes and maize
6. Irrigation is the artificial application of water to land or soil to assist in the production of crops.
7. Irrigation allowed for the expansion of agriculture into arid regions, significantly increasing food production to support growing populations.
8. Salinization, waterlogging, and depletion of aquifers.
9. Carrying capacity is the maximum population size of a species that an environment can sustain indefinitely.
10. The loss of biodiversity and natural water filtration systems.
11. Deforestation is the permanent removal of trees to make room for something besides forest.
12. Tropical rainforests (such as the Amazon, Congo Basin, and Southeast Asia).
13. Soil
14. Biodiversity
15. Environmental/Climate
16. Atmosphere