Sustaining Aquatic Biodiversity

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Sustaining Aquatic Biodiversity
G. Tyler Millers Living in the Environment 14th
Edition Chapter 13
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Key Concepts

• Economic and ecological importance

• Effects of human activities

• Protecting and sustaining aquatic diversity

• Protecting and sustaining fisheries

• Protecting and restoring wetlands

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The Importance of Aquatic Biodiversity

• Coral reefs

• Deep ocean floor

• Estuaries

• Lakes and streams

• Food items

Fig. 13-2 p. 253

• Medicines and drugs

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Human Impacts on Aquatic Biodiversity

• Species loss and endangerment

• Marine habitat loss and degradation

• Freshwater habitat loss and degradation

• Overfishing

• Nonnative species

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Protecting and Sustaining Marine Biodiversity

• Protect endangered and threatened species

• International agreements

• Integrated coastal management

• Reconciliation ecology

• Sustainable management of marine fisheries

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Managing and Sustaining the Worlds Marine
Fisheries

• Fishery regulations

• Economic approaches

• Protected areas

• Consumer information

• Bycatch reduction

• Aquaculture

Refer to Fig. 13-9 p. 263

• Nonnative species

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Protecting, Sustaining, and Restoring Wetlands

• Regulations

• Wetlands protection

• Mitigation banking

• Wetlands restoration

• Control of invasive species

See Individuals Matter p. 268
Fig. 13-11 p. 267
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Protecting, Sustaining, and Restoring Rivers

• Pollution

• Disruption of water flow

• Loss of biodiversity

• Invasive species

Fig. 13-13 p. 269
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Life Cycle of Wild Salmon
Fig. 13-14 p. 270
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Rebuilding Salmon Populations

• Build upstream hatcheries
• Repopulating streams
• Build fish ladders
• Transport salmon around dams
• Reduce silt runoff
• Restrict dam construction

Refer to Fig. 13-15 p. 271