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Aquatic Ecology: Biodiversity in Aquatic Systems PowerPoint PPT Presentation


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Aquatic Ecology: Biodiversity in Aquatic Systems. G. Tyler Miller’s Living in the Environment 13 th Edition Chapter 7. Key Concepts. Factors that influence aquatic systems. Saltwater life zones. Freshwater life zones. Human activities that affect aquatic systems.

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Aquatic Ecology: Biodiversity in Aquatic Systems

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Aquatic Ecology: Biodiversity in Aquatic Systems

G. Tyler Miller’s

Living in the Environment

13th Edition

Chapter 7


Key Concepts

  • Factors that influence aquatic systems

  • Saltwater life zones

  • Freshwater life zones

  • Human activities that affect aquatic systems


Aquatic Environments: Types, Components, and Limiting Factors

  • Marine systems

  • Freshwater systems

  • Plankton

  • Nekton

  • Benthos

  • Euphotic zone

  • Dissolved oxygen

Fig. 7-2 p. 145


Saltwater Life Zones

  • Coastal zone

  • Estuaries

  • Coastal wetlands

  • Mangroves

  • Intertidal zones

  • Barrier islands


Ocean Zones

Fig. 7-7 p. 148

Refer to Figs. 7-11 & 7-12

p. 151 & 152


Coral Reefs

Fig. 7-16

p. 154


Freshwater Life Zones

  • Standing water

  • Flowing water

Fig. 7-20 p. 158


Fig. 7-21 p. 158

Types of Lakes: Oligotrophic


Fig. 7-21 p. 158

Types of Lakes: Eutrophic


Fig. 7-22 p. 159

Seasonal Changes in Lakes

  • Epilimnion

  • Thermocline

  • Hypolimnion

  • Fall overturn

  • Springoverturn


Fig. 7-23 p. 160

River Systems

  • Drainage basin

  • Runoff

  • Floodplain

  • Watershed


Inland Wetlands

Fig. 7-25 p. 162


Sustainability of Aquatic Life Zones

  • Coral reef destruction

  • Loss of biodiversity

  • Pollution

  • Sedimentation

  • Renewability

  • Natural purification


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