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

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Presentation on theme: "Water issues Scarcity Water rich vs water poor Areas Water wars Contamination Health implications."— Presentation transcript:

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

3 Unique properties of water

4 Water Numbers Earth covered by water How much Salt Fresh Ice Groundwater Surface water

5 Uses of water Ag Issues Methods of irrigation Pros / cons Salinization How can conserve Hydroponics Industry Household Biggest uses conserve

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

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

8 Surface water Issues/benefits of: Rivers Riparian zones Dams – What happens when we dam them Pros/cons of dams Wetlands Ecological & economic services/benefits What is happening to them Estuaries Lakes terminal

9 Lake layers Littoral Limnetic Profundal Benthic Turn-over When benefits

10 Eutrophication Productivity/nutrients/life/turbidity Causes Oligotrophic Lakes Eutrophic Lakes Cultural eutrophication Causes Problems Solutions

11 Ocean Layers - light Coastal Euphotic Aphotic Bathyal Abyssal Benthic Pelagic Where are the organisms/what do they do Plankton Nekton Benthos Decomposers

12 Marine ecosystems Where/ Issues / problems /services provide: Coral reefs Bleaching Mangrove forests Sea kelp & sea grass

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

14 Fishing Tragedy of the Commons Industrial fishing methods Why is ocean hard to protect Fishery collapse Why examples Solutions Laws

15 Aquaculture Describe Help or hurt Pros cons

16 Ogallala Aquifer Why significant Where is it Problems

17 Three Gorges Dam Where Why significant Pros Cons

18 Aral Sea Where Why significant Issues

19 Lake Chad Where Why significant issues

20 Colorado River Where Significance issues

21 Florida Everglades Where Significance issues

22 Lake Baikal Where significance


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