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Land Use and Environmental Change in the Thompson-Okanagan

This home page examines the impact of human population growth on the Thompson-Okanagan region's environment. The following environmental components are examined:

 

1.  Atmosphere and Climate

2.  Biodiversity Issues

3.  Land-Use Change

4.  Water Resources

5.  Energy Resource Issues

6.  Sustainable Options

 


 

Table of Contents:

 

1. Atmosphere and Climate (Michael Pidwirny and Tracy Gow)

1.  Introduction

2.  Composition and Structure of the Atmosphere

2.1  Composition of the Atmosphere

2.2  Structure of the Atmosphere

3.  The Changing Atmosphere

3.1  Changing Concentration of Atmospheric Gases

3.2  Climate Change

3.2.1  Global Warming and the Enhanced Greenhouse Effect

3.3  Atmospheric Pollution

3.3.1  Photochemical Smog

3.3.1.1  Development of Photochemical Smog

3.3.1.2  Chemistry of Photochemical Smog

3.3.1.3  Photochemical Smog and the Okanagan Valley

3.3.2  Stratospheric Ozone Depletion

3.3.3  Acid Deposition

3.3.3.1  Acid Deposition Formation

3.3.3.2  Effects of Acid Deposition

3.3.3.3  Acid Deposition in Canada and British Columbia

3.3.3.4  Solution

 

2.  Biodiversity Issues (Michael Pidwirny, Tracy Gow, Jillian Cornock, Jennifer Danzinger, Shaun Davies and Shannon McCallum)

1.  Introduction

2.  Species Resources and Biodiversity

3.  Benefits of Biodiversity

3.1  Economic Importance

3.2  Ecological and Scientific Importance

3.3  Ethical and Spiritual Importance

4.  Causes of Biodiversity Reduction

4.1  Habitat Loss

4.2  Species Introductions

4.3  Pollution and Climatic Change

4.4  Hunting and Poaching

4.5  Pet and Exotic Plant Trade

4.6  Scientific Research

4.7  Predator and Pest Control

5.  Biodiversity Issues in the Thompson-Okanagan

5.1  Introduction

5.2  Reduction in the Kokanee Fishery

5.2.1  Introduction

5.2.2  Okanagan Lake Kohanee

5.2.3  Saving the Kokanee

5.3  Introduction of Knapweed

5.3.1  Diffuse Knapweed (species Centaurea diffusa Lam)

5.3.2  Spotted Knapweed (species Centaurea maculosa Lam)

5.3.3  Origin and Dispersal Mechanisms

5.3.4  Problems

5.3.5  Control Methods

5.4  Threatened and Endangered Species of the Thompson-Okanagan

5.4.1  Mammals

5.4.2  Birds

5.4.3  Reptiles

5.4.4  Amphibians

5.4.5  Plants

5.4.6  Invertebrates

6.   Biodiversity Management Options

6.1  Ex Situ Management

6.2  In Situ Management

7.  Related Websites


3.  Land-Use Change (Michael Pidwirny, Tracy Gow and Cindy Thiessen)

1.  Introduction

2.  Deforestation

2.1  Introduction

2.2  Tropical Rain Forests

2.3  Services Provided by Tropical Forests

2.4  Temperate Forests

2.5  Forestry In British Columbia

2.5.1  Introduction

2.5.2  History of British Columbia's Forests

2.5.3  Methods of Deforestation

2.5.4  Old Growth Forests

2.6  Environmental Impacts of Deforestation

2.6.1  Biodiversity

2.6.2  Climate Change

2.6.3  Soil Degradation

2.6.4  Hydrology

2.6.5  Indigenous People

3.  Agricultural Land-Use

3.1  Introduction

3.2  Global Food Resources

3.3  Industrial Agriculture and the Environment

3.3.1  Erosion and Soil Degradation

3.3.2  Fertilizer Use and Abuse

3.3.3  Pesticide Use and Abuse

3.3.3.1  Introduction

3.3.3.2  Types of Pesticides

3.3.3 3. Pesticides and the Environment

3.3.3.4  Pesticide Contamination: Water Resources

3.3.3.5  Pesticide Contamination: The Atmosphere

3.3.3.6  Pesticide Contamination: The Biosphere

3.3.3.7  Pesticide Contamination: Humans

3.3.3.8  Alternatives to Pesticides

3.3.4  Irrigation and Water Pollution

3.3.5  Energy Use

3.3.6  Habitat Destruction and Biodiversity Reduction

3.4 Sustainable Agriculture

3.5 Agriculture in the Thompson-Okanagan

4.  Urbanization

4.1  Introduction

4.2  Urbanization and the Environment

4.2.1  Urbanization and the Atmosphere

4.2.2  Urbanization and the Hydrosphere

4.2.3  Urbanization and the Hydrosphere

4.2.4  Urbanization and the Biosphere

4.3  Urbanization and the Thompson-Okanagan

4.4 The Sustainable City

5.  Desertification

6.  Wetland Destruction

7.  Habitat Preservation

8.  Related Websites



4.  Water Resources (Michael Pidwirny and Tracy Gow)

1. Introduction

1.1  Chemical and Physical Properties of Water

1.2  Water Availability and Distribution

2.  The Hydrologic Cycle

3.  Water Use and Supply Issues

4.  Increasing Supplies of Water

5.  Water Pollution

6.  Canadian Water Management

6.1  Water Conservation Techniques

7.  Water Resources and the Okanagan Valley

8.  Related Websites



5.  Energy Resource Issues (Michael Pidwirny and Tracy Gow)

1.  Introduction

2.  Non-renewable Energy Resources

2.1  Oil

2.2  Natural Gas

2.3  Coal

2.4  Nuclear Fission

3.  Renewable Energy Resources

3.1  Solar Energy

2.2  Hydroelectric Power

3.3  Wind Power

3.4  Energy From Biomass

4.  Energy Use and the Environment

5.  Sustainable Energy Use

6.  Related Websites



6.  Sustainable Options (Michael Pidwirny and Tracy Gow)

1.  Introduction

2.  Related Websites

 

 

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