Resource Reliance

Question 1

What are the two main reasons for demand increasing?

Answer 1

Increasing population

Economic development

Question 2

How has mechanisation of farming effected the environment?

Answer 2

Removal of hedgerows reduces biodiversity

More chemicals being used increases soil erosion and water pollution

Question 3

How has commercial fishing effected the environment?

Answer 3

Over-fishing some fish can have knock on effects to other species
Dredging can effect sea floors

Question 4

How has deforestation effected the environment?

Answer 4

Trees remove CO2 and burning them releases CO2
Forests provide an important habitat
Soils erode without cover from trees

Question 5

How has mining effected the environment?

Answer 5

Loss of habitat
Mining uses a huge amount of water
Coal, oil and gas aren’t renewable

Question 6

How has reservoirs effected the environment?

Answer 6

Loss of habitat

New environments which can become home to non-native species

Question 7

How have water transfer schemes effected the environment?

Answer 7

Damage eosystems

Lots of energy needed to pump water of long distances