Geoecology- Biomes Flashcards

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1
Q

What is a biome?

A

A large area on the Earth’s surface where climate, soil, natural vegetation and animal life are inter-related.

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2
Q

What is the most important factor that affects a biome?

A

Climate

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3
Q

How does each biome get its name from?

A

Frrom the dominant vegetation found within in it.

eg. Brazil forms part of the tropical rainforest biome.

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4
Q

Where is the tropical rainforest found?

A

In the tropics, close to the equator

-Between the tropic of cancer and the tropic of capricorn

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5
Q

Where are the majority of tropical rainforests found?

A

Central and South America

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6
Q

Where is the largest rainforest located?

A

The Amazon Basin

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7
Q

Where are the rainforests in Africa located?

A

Central and Western Africa.

Madagascar

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8
Q

How much % do rainforests cover on the earth’s surface?

A

2%

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9
Q

What % of living things are in rainforests?

A

50%

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10
Q

How much % of fresh water do rainforests produce?

A

30%

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11
Q

How many square kilometres is the Amazon Rainforest?

A

5.5 million kilometres

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12
Q

How many acres is the Amazon Rainforest?

A

1.4 billion acres

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13
Q

What nations does the Amazon Rainforest occupy?

A
  • Brazil
  • Peru
  • Colombia
  • Venezuela
  • Ecuador
  • Bolivia
  • Guyana
  • Suriname
  • French Guiana
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14
Q

What climate affects the rainforest?

A

Tropical/ equatorial

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15
Q

Describe tropical/equatorial.

A

Hot, wet and humid all year round

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16
Q

What region receives the maximum amount of solar heating on earth?

A

The equatorial zone

17
Q

What angle does sunlight strike the equatorial?

A

90 degree angle

18
Q

How many hours of sunlight does the area receive?

A

12 hours

19
Q

What is the average temperature?

A

27 degrees

20
Q

What is the annual rainfall?

A

2500-6600 mm per year

21
Q

What are the two seasons of the Amazon rainforest?

A
  • The rainy season

- The not so rainy season

22
Q

When is the not so rainy system?

A

June to December

23
Q

Where does 50% of the precipitation come from?

A

Comes from the rainforest itself due to evaporation.

24
Q

What is the average amount of water each tree releases through transpiration?

A

775 litres per year

25
Q

What is the humidity level?

A

77%- 88%

26
Q

What has the climate resulted?

A

Has led to high biodiversity in the tropical rainforest biome

27
Q

What soil is associated with the tropical rainforest biome?

A

Latosol