A Level - Amazon Rainforest - Impacts on Water and Carbon Cycles

Extreme rainfall could lead to more...

• drought

• flash flooding

• biodiversity

• root growth

Rates of _______ will rapidly decline after deforestation

• photosynethesis

• respiration

• precipiration

• interception

After deforestation, soil can hold _____% less water

• 10 %

• 15 %

• 20 %

• 25 %

True or false: there is a reduction in river discharge after deforestation

• true

• false

Following _____________ , water transfers ash into the soils, increasing its carbon capacity

• mining

• cattle ranching

• slash and burn

• logging

Why which year do we expect the Amazon Rainforest's temperature to have increased by 2-3C?

• 2030

• 2040

• 2050

• 2100

When forests are cleared and burned, 30-60% of the carbon is lost to the ________.

• soil

• rivers

• atmosphere

• biosphere

As this process reduces, there are less condensation nuclei (salts and organic fibres) in the atmosphere, reducing cloud formation.

• photosythesis

• interception

• transpiration

• infiltration

If global temperatures increase by 2C, then _____% of the Amazon Rainforest will die

• 20-40%

• 70%

• 75%

• 85%

Areas _____-______ of deforested areas receive half of the precipitation they did before the removal.

• up-wind

• north-west

• down-wind

• south