Positive impacts of human activity

Question 1

What are positive impacts of human activity on coasts

Answer 1

Adoption of suitable management strategies

Increasing use of intergrated shoreline strategies which consider all needs and constraints

Question 2

What are Conservation stratergies

Answer 2

World Heritage sites
National Marine Reserves
Sites of special scientific interest

Question 3

What are negative impacts of human activity

Answer 3

Offshore dredging which causes:

Destruction of seabed habitats and marine food web

Changes in wave types and sediment flows resulting in beach profile changes.

Question 4

How do humans have impacts on the erosion of sand dunes

Answer 4

Conversion
Removal
Overuse
External factors

(CORE)

Question 5

What is conversion

Answer 5

The dune area is used for urbanisation or activities like golf

Question 6

What is removal

Answer 6

Sand is removed for another use

Question 7

What is overuse

Answer 7

Dunes are used for recreation activities such as military training or tourism

Question 8

What are external factors (sand dunes)

Answer 8

Human activity in other parts of coast affects dune system e.g building sea defences could reduce sediment input into dunes