Sundarbans, Bangladesh

Question 1

What is the population?

Answer 1

160 million

Question 2

Why is the Sundarbans subject to heavy erosion?

Answer 2

The land is low lying.

Question 3

Physical factors

Answer 3

The land forms a river delta, meaning it is vulnerable to cyclones.

Question 4

Hard engineering

Answer 4

Sea dykes (stretches along the coast)

Question 5

How many people does the hard engineering protect?

Answer 5

35million people (sea dykes)

Question 6

Soft engineering

Answer 6

Replanting mangroves, which reduces the cyclone impact - important ecosystem for the population.
Killas and houses on stilts also reduces the cyclone impact.

Question 7

Killas

Answer 7

Allow cyclones to happen but people are protected inside. However animals are not allowed inside, meaning farmers can loose cattle, leading to job loss.

Question 8

POSITIVES

Answer 8

Dykes allow farmers to farm in polders: grown rice and catch fish. Effective.

Question 9

Polders

Answer 9

Raised embankments around the edge: grown rice and catch fish. 139 in Bangladesh

Question 10

NEGATIVES

Answer 10

Sea dykes are expensive and a curved coast means that its not all protected.