Water and Carbon Cycle (Case Study) The Amazon Rainforest Flashcards

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1
Q

How much of South America does the Amazon cover?

A

40%

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2
Q

How biodiverse is the Amazon?

A

Home to up to 1 million plant species, over 500 species of mammals and 2000 species of fish.

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3
Q

How is the water cycle involved in the Amazon Rainforest?

A

Lots of evaporation over Atlantic Ocean, and wet air blown towards Amazon, contributing to the high rainfall experienced there.

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4
Q

How does deforestation affect the water cycle in the Amazon?

A

Reduces rate of evapotranspiration, less water vapour reaches atmosphere, fewer clouds form and rainfall reduced which could lead to drought.

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5
Q

How does deforestation affect the carbon cycle in the Amazon?

A

No roots to hold soil together, heavy rain washes away nutrient rich top-soil, transferring carbon to hydrosphere.

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6
Q

What affect is climate change having on the Amazon?

A

In 2005 and 2010 the Amazon suffered from severe droughts. Scientists predict a 4 rise in temperature could kill 85% of the Amazon.

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7
Q

Give an example of replanting in the Amazon

A

Peru plans to restore 3.2 million hectares of forest by 2020.

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8
Q

What is one of the environmental laws in the Amazon?

A

The Brazilian Forest Code says land owners must keep 50-80% of land as forest

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9
Q

Give an example of an organisation protecting the Amazon?

A

Central Amazon Conservation Complex, Brazil was set up in 2003 to protect biodiversity in 49,000km^2 while allowing local people to use the Amazon sustainably.

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10
Q

How is the carbon cycle involved in the Amazon?

A

The rainforest stores lots of carbon in its vegetation and soil, so it’s a carbon sink.

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