1. Aquatics Review

2. Unique properties of water

3. Water issues Scarcity Water rich vs water poor Contamination Areas
Water wars
Contamination
Health implications

4. Water Numbers Earth covered by water How much Salt
Fresh
Ice
Groundwater
Surface water
Out of all water on Earth:
Salt – 97 %
Ice – 2%
Ground – 1%
Surface – 0.02%
97% 3%
69%
30% 1%

5. Uses of water Ag Issues Methods of irrigation How can conserve
Pros / cons
Salinization
Build up of salt from over-irrigation
How can conserve
Drip irrigation
Hydroponics
70%

6. Uses of water
Industry -
Household -
Biggest uses
conserve
20%
10%

7. Ground water Aquifers Subsidence Wells Water tables Recharge
Description
issues
Pros
Cons
Subsidence
Wells
Water tables
Recharge
Confined vs Unconfined

8. Surface water Flooding Vegetation Paved surfaces Runoff Erosion
Deforestation
Fast or slow

9. Surface water –issues / benefits
Rivers
Riparian zones
Dams – What happens when we dam them
Pros/cons of dams

10. Surface water – issues/benefits
Wetlands
Ecological & economic services/benefits
What is happening to them
Estuaries - definition

11. Lakes Layers Turn-over Terminal Littoral Limnetic Profundal Benthic
When
Benefits
Terminal
Definition
Issues
Aquatic succession
pollution

12. Lakes - Eutrophication
Productivity/nutrients/life/turbidity
Oligotrophic Lakes
Eutrophic Lakes - natural
Cultural eutrophication
Causes
Problems
Solutions

13. Ocean Layers Coastal Euphotic Aphotic Bathyal Abyssal Benthic Pelagic
Where /what
Plankton
Nekton
Benthos
Decomposers

14. Marine ecosystems Where/ Issues / problems /services provide:
Coral reefs
Bleaching
Algae dies
Temp
Sunlight
Too deep
High tubidity pH
Mangrove forests
Sea kelp & sea grass

15. Desalinization Why is this happening Where is it happening
What are the methods
Pros
Cons

16. Fishing Tragedy of the Commons Industrial fishing methods
Why is ocean hard to protect
Why hard to protect ocean
Human ecological footprint is expanding.
Much of the damage to oceans is not visible.
Many people think oceans are inexhaustible resource.
Most of world’s ocean lies outside legal jurisdiction

17. Fishery collapse
Why
examples
Solutions
Laws
(bigger on next slide)

19. Aquaculture
Describe
Help or hurt
Pros
cons

20. Ogallala Aquifer
Why significant
Where is it
Problems

21. Three Gorges Dam
Where
Why significant
Pros
Cons

22. Aral Sea
Where
Why significant
Issues

23. Lake Chad
Where
Why significant
issues

24. Colorado River
Where
Significance
issues

25. Florida Everglades
Where
Significance
issues

26. Lake Baikal
Where
significance