How Are Ecosystems Under Threat And What Is Being Done To Manage It? Flashcards
What is deforestation?
The removal of trees and the land then being converted to non forest use
What are the causes of deforestation?
Subsistence farming, commercial farming, commercial logging
What is subsistence farming?
local people start a farm and grow enough food for themselves or a small amount to sell.
What is commercial farming?
large scale farming carried out by companies which involves lots of machinery.
What is commercial logging?
cutting down of trees for wood products such as furniture or housing.
Spotlight
How is deforestation being managed
Logging companies only use selected cutting methods, restricted use of destructive machinery, spending money on protecting other forest areas, testing helilogging etc.
What is desertification?
the process of land turning into desert as the quality of the soil declines over time.
What are causes of desertification?
Population growth, removal of food, overgrazing, soil erosion, climate change
Effects of desertification
Loss of biodiversity, food insecurity, loss of vegetation cover
