1. Coastal Ecosystems: Physical aspects
Key Idea 2.4/2.5
Coastal Ecosystems: Physical aspects
Mangroves
Coasts
Lesson 2 of 4

2. Lesson Objectives Define the terms ‘ecosystem’ and ‘biodiversity.’
Describe the characteristics, distribution and biodiversity of coral reefs, mangroves, sand dunes and salt marshes.
Explain the physical factors that affect the distribution of coastal ecosystems.

3. Recap SALT MARSH SAND DUNES
CORAL REEFS
MANGROVES
Recap
Coastal Ecosystems
SALT MARSH
SAND DUNES

4. Key Definitions Ecosystem – Biodiversity -
A living community of plant and animals sharing an environment with non-living elements such as climate and soil.
The number and variety of organisms found within a specified geographic region.

5. Distribution of ecosystems Characteristics Biodiversity
What you need to know
Distribution of ecosystems Characteristics Biodiversity

6. MANGROVES

7. Introduction
What are mangroves?

8. distribution

9. Task 1 Complete your worksheet
2. What is meant by the term intertidal?
Definition: the area between the land and sea that is covered by water at high tide and uncovered at low tide.
3. In what ways are mangroves a very tolerant ecosystem.

10. Answer
2. What is meant by the term intertidal? Definition: the area between the land and sea that is covered by water at high tide and uncovered at low tide.

11. The Sundarbans
Bangladesh

12. Recipe Time
Plenary
Write the recipe for what you need for a good mangrove to form What is the method? What do you need first?

13. What threatens Mangrove
Plenary
Have a think about...
What threatens Mangrove
Watch the Mangrove Clip