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Geography > Economic Developement > Flashcards

Economic Developement Flashcards

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1
Q

Environmental threats of economic activity causes

Food production

A

Leeching

Description of soil

Chemical spray

Deforestation Of an area

Killing habitats for food

Air pollution from machines

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2
Q

Environmental threats of economic activity causes

Industry

A

Loss of habitat

Acid rain

Creates greenhouse gases

Impacts on food chain

Global warming

Atmospheric pollution

Kills animal

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3
Q

Environmental threats of economic activity causes

Tourism

A

Destruction of habitat

Damage of corals

Increase pollution from travel

Kills habitat by building hotels

Litter from tourist can kill animal

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4
Q

Environmental threats of economic activity causes

Energy

A

Transporting fuels create pollution

Pollution created by using energy supplies

Fracking from the ground

Visual pollution from the factories, ugly and smoke

Noise pollution from the factories

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5
Q

Environmental threats of economic activity causes

Water supply

A

Drowns and kills species

Washes soil

Affects biodiversity and wild life

Climate change may lead to drought , drying out certain areas

Becomes poisonous from mixing with sewage and chemicals waste

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6
Q

Air pollution threats local and global

A
  • lead can affect the brain development of children
  • indoor air pollution is worse in LEDC due to biomass heating and fuel
  • gives people asthma attacks transportation
  • greenhouse gases can lead to climate change
  • to it air pollutants can cause cancer
  • CO can reduce oxygen trans
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7
Q

Water pollution local and global

A

-eutrophication From nitrate kills water animals

Increase in cancer rate from anti cancer medicines in the sewage’s into water supply

Destruction of ecosystem

Chemical sprays and fuel leaks may contaminate

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8
Q

Noise pollution local

A

Increase human blood pressure

Reduce ability to sleep

High decibels can kill animal hearing

Causes behaviour problems as animal use sound for signals

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9
Q

Visual Pollution

A

Eyesore and distressing to users

May devalue house prices in the area

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10
Q

Economic activities generate green house gases

A

carbon dioxide, methane, nitrous oxides and ozone are examples - management
•use clean energy
•recycle
•electric car
•plant trees
•line dry clothes
•don’t leave things on standby

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11
Q

Effects of enhanced global warming

A

global temperature variations and heatwaves
•rising sea levels
•melting of ice caps
•increasing acidity in oceans
•growth of the tropical belt
•destroying ecosystems

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12
Q

Soil erosion causes

A
  • results from high population pressure
    * deforestation
    * overgrazing of natural pastures
    * poor agricultural practices
    * absence of soil conservation of marginal land
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13
Q

Consequences of soil erosion and desertification social

A

loss of traditional knowledge and skills
•forced migration due to food scarcity
•social tensions in reception areas for migrant

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14
Q

Desertification causes

A

gradual transformation of habitable land to desert

caused by climate change and destructive land use

natural causes may include temporary droughts period occurs when already fragile land in arid areas is overused

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15
Q

Consequences of soil erosion and desertification social

A

loss of traditional knowledge and skills

forced migration due to food scarcity

social tensions in reception areas for migrant

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16
Q

consequences of soil erosion and desertification economic

A

reduced income from traditional economy

decreased availability of fuelwood, leading to purchasing oil

increased dependence on food aid

increased rural poverty

migration causes loss of tax revenue

17
Q

consequences of soil erosion and desertification environmental

A

loss of soil nutrients from wind and soil erosion

changes in composition of vegetation

loss of biodiversity

reduction in available land for farming

increased sedimentation of streams because of soil erosion

dust storms due to activity breaking up matter further

18
Q

Management of soil erosion

A

•use fertilisers

contour ploughing

plant trees

prevent water from being channelled downslope

do not overgraze

use wind protectors

19
Q

Define desertification

A

The process by which fertile land becomes less productive

20
Q

Reduce desertification

A

Afforestation->roots bind soil

Contour ploughing-> so less soil erosion

Education about agriculture techniques
->less surface runoff

Crop rotation -> less deforestation

Terracing maintain soil fertility

21
Q

Explain why greenhouse gases are building up in the atmosphere

A

Burning fossil fuel
-> oil and coal

Cars

Aircraft emission

Deforestation

Carbon dioxide

Methane from livestock

Industry

22
Q

Explain how acid rain can cause problems for the whole food chain

A

Acid rain can cause serious problem for many animals and plants as a result the entire food chain is affected.

23
Q

Explain how the effect of acid rain could be reduced

A

Produce energy without fossil fuels

People can use renewable energy such as solar and wind power

Renewable energy sources helps reduce acid rain because they don’t produce much pollution

Burning coal which contain less sulfur

Flue gas desulphurisation

Using unleaded petrol

24
Q

Negative effects of global warming

A

Pressure on ecosystem

Temperature rises

Water shortages

Sea water level increases

Climate change

Loss of biodiversity

Desertification

Loss of industry-tourism and fishing affected as sea level rises

Flash floods

Droughts

25
Q

Affects of acid rain

A

Acidification of soil

  • > kill the organism
  • > damage ecosystem

Corrosion of buildings
-> building surfaces get corroded

Damage human health

Acidification of rivers and lake

  • > weakening of shells such as insects
  • > aquatic flora and fauna die from high acidity of water
26
Q

Effects on effects of rivers acid rain

A

Acidic water through soil water flow
Fishes can’t swim in acidic waters
They can die

27
Q

Soil effects acid rain

A

Plants grow a slower

Take up acidic water

Plant is effectively poisoned

Reduce amount of crops acid rain can make the nutrients and mineral in the soil unusable

28
Q

Human effects acid rain

A

Asthma increase

Eye and throat irritation

Buildings are getting corroded

29
Q

Finiacial effects acid rain

A

Cost of loss of productive farming land

Cost to loss of fishing

Cost to loss of healthcare system

Cost to repair buildings

30
Q

Climate change impacts

A

Sea level rises

Temperature

Precipitation

  • health impacts
  • > air quality
  • asthma

Agriculture impacts

  • crops yield
  • irrigation demands

Forest impacts
Change forest composition

Water resources
Change water supply
Water quality

31
Q

Positive impacts on global warming

A

Increased agriculture land
Possible to grow more

Reduction in cold death

Release of freshwater- reduce drought

Reduced heating-people can heat propety less

Accessibility of resources

32
Q

Global warming solution

A

Afforestation

Reduce reuse and recycle

Renewable energy

Carbon sequestration

International agreements

33
Q

Adaptation global warming

A

Build more sea defences

Improved meteorology -predict and track events so that pollution can be warned and therefore prepare

Disease treatment-if the strength of the sun rays intensify disease like skin cancer will nor’easter we will have to improve treatment

Desalination

Resettlement - rising sea level will create climate refugee in countries like the Maldives and Bangladesh

34
Q

Explain why global warming is a threat to natural environment

A

Melting ice glaciers

Loss of habitat

Rising sea level

Loss of species

Forest fires

Vegetation loss

Increasing droughts

Forest fire

Loss of habitat

35
Q

Help conserve natural resources

A

Afforestation

Save energy

Use less resources

Waste product becomes useful

Resources last longer

Make more uses

36
Q

Importance of conserving natural resources and natural environment

A

Protect habitat

Prevent global warming

Species don’t become extinct

Many non renewable are finite

Conserving the natural environment will ensure ecosystem

Geography (41 decks)

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