the challenge of resource management Flashcards

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1
Q

what is the significance of food for our social well being

A
  • needed for survival
  • creates jobs through trade and growth
  • nutrition and improves peoples overall health
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2
Q

what is the significance of water for our social well being

A
  • needed for survival
  • involved in manufacturing, food, cleaning and disposal of waste
  • clean water reduces risk of disease and reduces pressure on hospitals
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3
Q

how much water does the average person use a day in the UK

A

150 litres

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4
Q

what is the significance of energy for our social well being

A
  • countries abundant in energy products eg coal or oil can trade it around the world
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5
Q

Why is the demand for water growing

A
  • population increase
  • wealth more water intensive appliance
  • showers and baths
  • industrial production
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6
Q

Where is the wettest area in the UK

A

The west

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7
Q

Where is the driest area in the UK

A

South east

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8
Q

Why does the west have water surplus

A

Higher rainfuall levels, lower population density

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9
Q

Why is the south east in water deficit

A

Higher population density lower rainfall

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10
Q

What are the economic issues with building a water grid

A

Very expensive

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11
Q

What are the social opportunities with the water grid

A

Communities would need to be displaced

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12
Q

What are the environmental opportunities with the water grid

A

Destroy habitats

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13
Q

What are the causes of water pollution

A
  • chemical pesticides
  • oil from ships
  • untreated waste
  • sewage pumped into rivers and seas
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14
Q

Effects of water pollution

A
  • kill aquatic life
    -lead to eutrophication
  • drinking water can be poisoned
  • fisherman and tourism can suffer economic loss
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15
Q

How is water quality managed

A
  • law in the uk
  • waste water treatment plants
  • investing in sewers
  • education campaigns about water waste
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16
Q

What was the UKs energy mix
In 2015

A
  • mainly fossil fuels
  • just over 1/5 of renewables
17
Q

Why has coal mining become less economical

A
  • harder to access, required more machinery and people
  • cheaper to import
18
Q

Why did the coal mines close down

A
  • ran out or became exhausted
  • EU and UK closer for environmental awareness
19
Q

Where are the reserves of gas and oil

A

North Sea

20
Q

Why is food consumption increasing with economic development

A
  • people can afford more foods of greater variety
  • more meat in diets as money is needed to take care of the animals
  • demand from processed foods increase
21
Q

In china how much did meat consumption increase

A

6% to 17% in 2010

22
Q

Why is food consumption increasing with population growth

A
  • bigger stress to feed everyone
  • mainly in LICs as birth rate is increasing rapidly
  • African population is growing 2.5% annually
23
Q

What factors affect food supply

A

Climate
Technology
Pests and diseases
Water stress
Conflict
Poverty

24
Q

How does famine affect people

A

Weakens immune systems
More prone to disease
Less able to work
Decreases income

25
Q

How many people suffer from malnourishement

A

800 million

26
Q

How does rising prices of food affect people

A

Poorest people cannot afford basic food
Can cause social unrest and riots

27
Q

How is soil erosion effect people

A

Over cultivation with lack of rainfall leads to soil erosion
Soil is infertile and unable to grow crops
No crop yeild and no income

28
Q

What strategies increase food supply

A

Irrigation
Aerophonics and hydrophonicd
New green revolution
Biotechnology
Appropriate technology

29
Q

Facts about Almería

A
  • arid region in Spain
  • largest concentration of greenhouses
  • 26,000 hectares
  • 50% of europes produce is grown here
30
Q

Advantages of Almeria

A
  • uses drip irritation reduces water uses and waste
  • warm temperatures reduces the need for energy intense heaters
  • provides jobs
  • provides fruit and veg all year round
31
Q

Disadvantages of Almeria

A

-Immigrant labour is low paid and poor working conditions
- plastic coverded can end up in oceans
- natural water sources under stress

32
Q

Examples of sustainable food supplies

A

Organic farming
Permaculture
Urban farming
Fishing sustainably
Meat sustainably
Seasonal food

33
Q

How much food is wasted

A

Almost 1/3 of all food

34
Q

How to reduce food waste

A
  • refrigerated storage
  • education
  • improving transport
35
Q

How many people work in agriculture in Bangladesh

A

65.5%

36
Q

Which charity helps farmers in Bangladesh

A

Practical action

37
Q

What is the rice fish scheme

A
  • small fish introduced into rice paddy’s
  • fertilise the rice
  • increase protien in diets
  • increase rice yield
  • able to sell excess
38
Q

How much food contributes to C02 emissions

A

17%

39
Q

What are agribusinesses

A

Farms being run by large businesses to increase food production