1. Water
Ecosystems

2. What are water ecosystems

3. What are water ecosystems
97% of the Earth is Salt Water

4. What are water ecosystems
97% of the Earth is Salt Water
3% is Fresh Water

5. What are water ecosystems
97% of the Earth is Salt Water
3% is Fresh Water
Water Ecosystems divided into 3 main categories of
Organisms
Plankton: Creatures that drift freely
Nekton: Fish, Turtles, Whales: Large active swimmers
Benthos: Made of Scavengers and Decomposers

6. What are freshwater
ecosystems

7. What are freshwater
ecosystems
Rivers and streams are running-water Ecosystems
Faster-moving bodies of water have more oxygen
Slower moving bodies of water support more producers than Faster moving bodies

8. What are freshwater
ecosystems
Rivers and streams are running-water Ecosystems
Faster-moving bodies of water have more oxygen
Slower moving bodies of water support more producers than Faster moving bodies
Lakes and Ponds are Standing-Water Ecosystems
3 zones:
Shallow water
Open Water
Bottom

9. What are ocean
ecosystems

10. What are ocean
ecosystems
Zones:
Intertidal: Shallowest
Neritic: Algae Kelp and other producers grow here
Oceanic
bathyal
Abyssal

11. Where do salt and
fresh water meet

12. Where do salt and
fresh water meet
Estuary: part salt water and part fresh water

13. Where do salt and
fresh water meet
Estuary: part salt water and part fresh water
Estuaries usually contain salt marshes