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Aquatic Ecology: Biodiversity in Aquatic Systems

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Human activities that affect aquatic systems ... Benthos. Euphotic zone. Dissolved oxygen. Fig. 7-2 p. 145. Saltwater Life Zones. Coastal zone ... – PowerPoint PPT presentation

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Title: Aquatic Ecology: Biodiversity in Aquatic Systems


1
Aquatic Ecology Biodiversity in Aquatic Systems
G. Tyler Millers Living in the Environment 13th
Edition Chapter 7
Dr. Richard Clements Chattanooga State Technical
Community College
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. 145
4
Saltwater Life Zones
  • Coastal zone
  • Estuaries
  • Coastal wetlands
  • Mangroves
  • Intertidal zones
  • Barrier islands

5
Ocean Zones
Fig. 7-7 p. 148
Refer to Figs. 7-11 7-12 p. 151 152
6
Coral Reefs
Fig. 7-16 p. 154
7
Freshwater Life Zones
  • Standing water
  • Flowing water

Fig. 7-20 p. 158
8
Types of Lakes Oligotrophic
9
Types of Lakes Eutrophic
10
Seasonal Changes in Lakes
  • Epilimnion
  • Thermocline
  • Hypolimnion
  • Fall overturn
  • Springoverturn

11
River Systems
  • Runoff
  • Drainage basin
  • Watershed
  • Floodplain

12
Inland Wetlands
Fig. 7-25 p. 162
13
Sustainability of Aquatic Life Zones
  • Coral reef destruction
  • Loss of biodiversity
  • Pollution
  • Sedimentation
  • Renewability
  • Natural purification
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