Chapter Outline

The Changing Role of Human Impact

Historical Basis of Pollution

Renewable and Nonrenewable Resources

Costs Associated with Resource Utilization

Mineral Resources

Steps in Mineral Utilization

Recycling of Mineral Materials

Utilization and Modification of Terrestrial Ecosystems

Impact of Agriculture on Natural Ecosystems

Managing Forest Ecosystems

Economic and Energy Costs of Utilizing Forest Ecosystems

Environmental Costs of Utilizing Forest Ecosystems

Environmental Implications of Various Harvesting Methods

Plantation Forestry

Special Concerns about Tropical Deforestation

Environmental Close-Up: The Northern Spotted Owl

Managing Rangeland Ecosystems

Environmental Costs of Utilizing Rangelands

Areas with Minimal Human Impact--Wilderness and Remote Areas

Managing Aquatic Ecosystems

Environmental Costs Associated with Utilizing Marine Ecosystems

Global Perspective: The History of the Bison

Environmental Costs Associated with Utilizing Freshwater Ecosystems

Environmental Close-Up: Farming, Fish Kills, and Pfiesteria piscicida

Aquaculture

Managing Ecosystems for Wildlife

Habitat Analysis and Management

Population Assessment and Management

Environmental Close-Up: Native American Fishing Rights

Predator and Competitor Control

Special Issues with Migratory Waterfowl Management

Extinction and Loss of Biodiversity

Human-Accelerated Extinction

Why Worry about Extinction?

What is Being Done to Prevent Extinction and Protect Biodiversity?

Environmental Close-Up: The California Condor

Issues & Analysis: Fire As a Forest Management Tool

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