Resource Management

4 Types of natural resources

1. Biotic resources
2. Abiotic resources
3. Non-renewable resources
4. Renewable resources

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Characteristics of biotic resources

Obtained from the biosphere
Capable of reproduction
Examples: animals, birds and plants

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Characteristics of abiotic resources

Obtained from the lithosphere, atmosphere and hydrosphere.
Examples: Minerals, soil, sunlight and fresh water

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Characteristics of non-renewable resources

Combustible sources that can't be remade
Formation takes millions of years
Examples: coal, oil, uranium and natural gas

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Characteristics of renewable resources

Potentially inexhaustible
Can be naturally replenished
Examples: wind, solar and hydro-electric power (HEP)

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Overfishing in the North Sea
(exploiting environments)

Fish in demand as a source of protein
Fishing industry provides jobs
Cod numbers have declined in the last 100 years
Length of fish:2m in 1915, 35cm in 2012
Unsustainable fishing practices - more caught than replaced.

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Oil extraction in Ecuador
(exploiting environments)

1960s Texaco discovers oil in Oriente region and builds 350 oil wells
1000 open unlined pits filled with toxic sludge were left behind: 18 billion gallons of toxic water dumped into the rivers, reducing water quality
Local tribes rely on rivers for drinki

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Deforestation in Cameroon

Cameroon rainforests have high biodiversity - 600+ species of trees and bushes
70000 hectares cleared or being cleared to make way for palm oil plantations - extensive soil erosion
Biodiversity under threat - some of the oldest woodlands on Earth at risk

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Describe the distribution of minerals and fossil fuels.

Copper is in Europe, Africa, Oceania, North America and South America has one of the highest copper reserves in a line along the west coast. There are large amounts of copper in South America.
Gold tends to be in past tectonically active areas.
Coal tends

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Describe the distribution of agriculture and forestry.

Higher precipitation & solar radiation near Equator: very productive, TRF, forestry and plantation agriculture.
Colder and drier at the poles. Low productivity. Tundra/coniferous trees.
30 N and S of Equator, high solar radiation, very low precipitation.

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What are the UK's natural resources?

Oil and gas from the North Sea are important but declining source of energy.
12% of UK now covered in woodland.
75% of the UK is farmland - East Anglia has flat land, fertile soils & warm summers for arable eg wheat. Sheep farming-upland areas Scotland.
W

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Reasons for the uneven global use of fuels.

1.The uneven use of fuels is linked to global development. Rapid industrial development in countries such as China results in higher fuel use than areas where industrial development is very limited, such as most of Africa.
2. Rapid growth of the globes po

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Pattern of global energy consumption

It is estimated that global energy consumption will increase by 56% in the next 35 years, with Asia being one of the leading contributors to the increase. The economic development of China and India will be one of the key factors in the increase as standa

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Pattern of global food consumption

The richest countries such as USA consume more calories per day than some of the poorest countries such as Ghana. Under nourishment is in some parts of Africa.
There is an uneven distribution of food and inability of some countries to grow their own. We

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Pattern of global fresh water consumption

Supply is unevenly distributed because of the amount of rainfall places receive and the rate at which water is lost through evaporation and transpiration.
Water surplus = Receive more than they lose.
Water deficit = receive little rainfall but high rates

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Resource Management

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