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GCSE Geography > Ecosystems And Biodiversity > Flashcards

Ecosystems And Biodiversity Flashcards

In here is about distribution questions, the Gersmehl model (the nutrient cycle), humans affect on the biosphere, the nutrient cycle, UK's ecosystem, the world's ecosystem, reasons for the distribution of biomes and why rainforests in Indonesia are disappearing.

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1
Q

Distribution:
T is. . .
E is. . .
A is. . .

A

T is Trend (What is the main trend)
E is Examples (Name an example of this trend)
A is Anomalies (Where is an anomaly, something not in the trend)

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2
Q

What is the transition from biomass to litter?

A

Fallout

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3
Q

Name all 3 stores in the nutrient cycle

A

Litter (leaves and twigs lying on the ground)
Soil (just. . . Soil)
Biomass (Trees)

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4
Q

Uptake is a transition from which store to which other store

A

Soil to biomass

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5
Q

Name two ways nutrients can be lost

A

Runoff and leaching

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6
Q

Name two ways nutrients can be added to the cycle

A

Rainfall and nutrients from rock weathering is

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7
Q

Exploitation

A

The use of natural resources for economic growth, sometimes with a negative connotation of accompanying environmental degradation.

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8
Q

Name an example of a destruction of wildlife for natural resources (fuel)

A

West Virginia USA
WHAT: Blowing up mountain sides for coal for fuel
POSITIVE: Economic growth for companies that do trading
NEGATIVE: Destruction of habitats, blockage of 3200 streams, forcing migration

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9
Q

What is the layer of the earth where living things live

A

Biosphere

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10
Q

Marine

A

Relating to or found in the sea

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11
Q

What percentage of wildlife relies on marine areas?

A

40%

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12
Q

What does marine areas protect us from?

A

Drought and flooding

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13
Q

How much does tourism provide for Marine areas each year?

A

13 billion

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14
Q

How many jobs does tourism help in Marine areas?

A

210,000 jobs

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15
Q

What energy do Marine areas help provide? And how many of these are there?

A

There are 10,000 wind turbines

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16
Q

How much fish do fishing vessels each year?

A

N

17
Q

5,900 vessels provide jobs for how many people?

A

12,000

18
Q

There are 183 active rigs in the North Sea to extract what?

A

Natural Gas and Oil

19
Q

Big commercial vessels catch lots of cod, which damages. . . .

A

animal’s populations

20
Q

Eutrophication is. . .

A

The removal of oxygen from Marine areas

21
Q

Eutrophication is caused by what?

A

Fertilizers from farmland that washes away into the sea. This causes too much plant growth and so they take up all the oxygen in the ocean causing Eutrophication

22
Q

What negative impact do Wind turbines have on the environment?

A

They make a large amount of noise in the sea whilst turning, which interferes with animals, such as dolphins, that rely on sound to communicate.

23
Q

How should you remember which way Longitude lines run on a map?

A

Longitude has 𝘓𝘖𝘕𝘎. Long legs. . . . Tall person

We are vertical.

24
Q

Biodiversity

A

The number and variety of species found in a specific area

25
Q

Ecosystem

A

A community of plants and animals that interact with each other

26
Q

Biome

A

An ecosystem on a global scale. Put together they make up a biosphere

27
Q

Latitude lines run. .

A

Horizontally

28
Q

Temperate

A

An area with mild temperatures

29
Q

Tropics

A

The areas between 23° and 26° north and south of the equator.
26°
- Tropic of cancer
23°

0°

23°
- Tropic of Capricorn
26°

30
Q

What does latitude affect?

A

Temperature decreases with Latitude (the further out you go)
Closer to the equator; hotter it is
Further away from the equator; colder it is

31
Q

Describe why places by the coast are warmer in the winter, and colder in the summer.

A

Throughout the summer, the sea absorbs heat. Then when it comes to winter, this heat is let out into the air to create a warmer winter.

32
Q

At the equator, is air rising or falling?

A

Rising, because it has low pressure. And because the air is hot and HOT AIR RISES

33
Q

In desert regions, is air rising or falling?

A

Falling, because it has high air pressure.

34
Q

Name a species that is being killed because of the destruction of the Indonesian Rainforest.

A

Orangutans - 25 per day

35
Q

How many Sumatran Rhinos exist today?

A

Less than 275

36
Q

How many Sumatran Tigers exist today?

A

Less than 400

GCSE Geography (4 decks)

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