Sustaining Aquatic Biodiversity G. Tyler Miller’s Living in the Environment 13th Edition Chapter 24 Dr. Richard Clements Chattanooga State Technical Community College

Key Concepts Economic and ecological importance Effects of human activities Protecting and sustaining aquatic diversity Protecting and sustaining fisheries Protecting and restoring wetlands

The Importance of Aquatic Biodiversity Coral reefs Estuaries Deep ocean floor Food items Fig. 24-2 p. 636 Many chemicals Medicines and drugs

Human Impacts on Aquatic Biodiversity Species loss and endangerment Marine habitat loss and degradation Freshwater habitat loss and degradation Overfishing Nonnative species Pollution and global warming

Protecting and Sustaining Marine Biodiversity Protect endangered and threatened species Establish protected areas Integrated coastal management Regulating and preventing ocean pollution Sustainable management of marine fisheries

Managing and Sustaining the World’s Marine Fisheries Fishery regulations Economic approaches Bycatch reduction Protected areas See Spotlight p. 650 Nonnative species Consumer information Aquaculture

Protecting, Sustaining, and Restoring Wetlands Fig. 24-12 p. 653 Regulations Mitigation banking Land use planning Wetlands restoration Control of invasive species See Individuals Matter p. 652

Protecting, Sustaining, and Restoring Lakes Pollution Fig. 24-13 p. 655 Invasive species Water levels Cultural eutrophication

Protecting, Sustaining, and Restoring Rivers Pollution Fig. 24-14 p. 656 Disruption of water flow Loss of biodiversity Invasive species