1. Living in the Environment
Aquatic Biodiversity
G. Tyler Miller’s
Living in the Environment
14th 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 p. 136

7. Freshwater Life Zones
Standing water
Flowing water
Fig 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

11. Stream Systems Runoff Drainage basin Watershed Floodplain
Fig p. 140

12. Wetlands Types: Importance of Wetlands 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