1. Aquatic Biodiversity G. Tyler Miller’s Living in the Environment 14 th Edition Chapter 7 G. Tyler Miller’s Living in the Environment 14 th Edition Chapter 7

2. Key Concepts  Factors that influence aquatic systems  Saltwater life zones  Freshwater life zones  Human activities that affect aquatic systems

3. Aquatic Environments: Types, Components, and Limiting Factors  Marine systems  Freshwater systems  Plankton  Nekton  Benthos  Euphotic zone  Dissolved oxygen Fig. 7-2 p. 128

4. Saltwater Life Zones  Coastal zone  Estuaries  Coastal wetlands  Mangroves  Intertidal zones  Barrier islands

5. Ocean Zones Fig. 7-6 p. 131

6. Coral Reefs Fig. 7-12 p. 136

7. Freshwater Life Zones  Standing water  Flowing water Fig. 7-16 p. 139

8. Types of Lakes: Oligotrophic Fig. 7-17a, p. 139

9. Types of Lakes: Eutrophic Fig. 7-17b, p. 139

10. Life Zones in Lakes  Littoral zone  Limnetic zone  Profundal zone  Benthic zone  Littoral zone  Limnetic zone  Profundal zone  Benthic zone

11. Stream Systems  Runoff  Watershed  Drainage basin  Floodplain Fig. 7-18 p. 140

12. Wetlands  Importance of Wetlands  Types:  Marshes  Swamps  Prairie Potholes  Floodplain  Tundra  Seasonal  Importance of Wetlands  Types:  Marshes  Swamps  Prairie Potholes  Floodplain  Tundra  Seasonal

13. Human Impacts on Wetlands and Streams  Dams, diversions and canals  Flood control levees and dikes  Pollution and Eutrophication  Wetland destruction  Dams, diversions and canals  Flood control levees and dikes  Pollution and Eutrophication  Wetland destruction