Ecological Concepts Bobby Allcorn

Ecology

The study of the relationships/interactions of organisms with their

environments and each other.

Biotic Organization

Ecosystem Characteristics

Climate

Ecosystem Characteristics

Trophic Levels

Food Chains/Webs

Pyramid

Energy Flow

Sun

Nutrient Cycling

Unlike Energy, nutrients are continuously recycled

Nutrient Cycling

Nitrogen Cycle

Nutrient Cycling

Hydrologic Cycle

Nutrient Cycling

Carbon cycle

Ecological Relationships

Habitat Vs. Niche

Where Vs. How

Ecological Relationships

Species Interactions

Neutralism

Competition

Amensalism

Predation

Commensalism

Protocooperation

Mutualism

Ecological Relationships

Cascade Effects and Keystone Species

Ecological Relationships

Demography

Natality

Mortality

Immigration

Emigration

Carrying Capacity (K)

Ecological Relationships

Population Growth Models

Ecological Succession

Primary Succession

Secondary Succession

Species Diversity

Number of Species Found in a given area

Diversity Increases as you approach the equator

Monocultures are not normally stable

Fragmentation

Edge Effect

Endangered Species

Threatened

Endangered

Why Care

Aesthetics

Practical

Ethical

Endangered Species Act (1973)