Blackwater Estiary Salt Marsh

Question 1

How big is the salt marsh?

Answer 1

1000ha

Question 2

Where does the salt marsh rank?

Answer 2

5th largest in the UK

Question 3

What do salt marshes provide for wading birds and wildfowl?

Answer 3

High tide refuge and winter feeding grounds

Question 4

What do salt marshes provide for commercially important fish and shellfish species?

Answer 4

Nurseries

Question 5

How have sea levels risen for the last 10,000 years?

Answer 5

At a rate of 300mm per century for the past 10,000 years

Question 6

Why are sea levels rising in Essex?

Answer 6

Due to global warming and isostatique readjustment

Question 7

What are sea levels rising by in Essex?

Answer 7

4-6mm per year in Essex

Question 8

What percentage of the salt marsh has been lost?

Answer 8

Il to 40% in the past 25 years

Question 9

Why has some of the salt marsh been lost?

Answer 9

Due to coastal squeeze

Question 10

What is coastal squeeze?

Answer 10

Sea water rises over the salt marshes and gets pinned up against the wall leading to deeper water which causes the erosion of salt marshes.