The Living Parts of Ecosystems

Contents

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Density and Distribution

Population Sampling

Sampling Excersize

Simulated Real World Field Case

Population Sampling (continued)

Populations: Ranges, Habitats, and Territories

The Niche

Principles of Population Ecology

Describing Populations -- Age Structure Diagrams

Examples of Age Structure Using US and Kenya Human Populations

Fundamental Population Characteristics -- Survivorship

Fundamental Population Characteristics -- Mortality

Life Table for a Typical Type 1 Species (Red Deer)

Mortality Curve for Red Deer

Population Growth

Exponential growth
 

Exponential Growth Limited by Carrying Capacity

Explanation of Growth Curves

Cautions About Population Theory and Growth Equations

The Interaction of Living Organisms in an Area

How Communities are Organized

Competitive exclusion

Coexistence

Interspecific Competition -- Resource partitioning Animals

Interspecific Competition -- Resource partitioning Plants

Instability

Interspecific Competition -- Predator - Pray Relationships

Predation

Examples of Predator-Prey Systems

Collaborative Ecosystem Management - Roadmap

Ecosystem Tutorial - Roadmap

SAM - Roadmap

How Communities Change Over Time

Disturbance (Fire)

Top Death - Roots Live

Bare Ground

Invasion

Establishment

Continued Development

Endpoint

Geography of U. S. Soils (Rough)

Altitude and Exposure Effects on Ecosystems