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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 l.jpg

Aquatic Ecology: Biodiversity in Aquatic Systems

G. Tyler Miller’s

Living in the Environment

13th Edition

Chapter 7


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Key Concepts

  • Factors that influence aquatic systems

  • Saltwater life zones

  • Freshwater life zones

  • Human activities that affect aquatic systems


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Aquatic Environments: Types, Components, and Limiting Factors

  • Marine systems

  • Freshwater systems

  • Plankton

  • Nekton

  • Benthos

  • Euphotic zone

  • Dissolved oxygen

Fig. 7-2 p. 145


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Saltwater Life Zones

  • Coastal zone

  • Estuaries

  • Coastal wetlands

  • Mangroves

  • Intertidal zones

  • Barrier islands


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Ocean Zones

Fig. 7-7 p. 148

Refer to Figs. 7-11 & 7-12

p. 151 & 152


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Coral Reefs

Fig. 7-16

p. 154


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Freshwater Life Zones

  • Standing water

  • Flowing water

Fig. 7-20 p. 158


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Fig. 7-21 p. 158

Types of Lakes: Oligotrophic


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Fig. 7-21 p. 158

Types of Lakes: Eutrophic


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Fig. 7-22 p. 159

Seasonal Changes in Lakes

  • Epilimnion

  • Thermocline

  • Hypolimnion

  • Fall overturn

  • Springoverturn


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Fig. 7-23 p. 160

River Systems

  • Drainage basin

  • Runoff

  • Floodplain

  • Watershed


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Inland Wetlands

Fig. 7-25 p. 162


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Sustainability of Aquatic Life Zones

  • Coral reef destruction

  • Loss of biodiversity

  • Pollution

  • Sedimentation

  • Renewability

  • Natural purification


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