1. 2.3: Population Dynamics and Succession

2. Key Terms Population Dynamics
Study of why populations change and what causes them to change
Carrying Capacity
The maximum number of individuals an environment can support

3. Three Stages of Population Change
Growth
The population increases in size.
There are more births than deaths.
Stability
The population does not change size.
The number of births and deaths is equal.
Decline
The population decreases in size.
There are more deaths than births.

4. Three Stages of Population Change
Population Growth Graph
Transition
Stability
Growth

5. Growth Terms Emigration Movement of individuals out of a population
Immigration
Movement of individuals into a population
Limiting Factor
A factor that prevents the continuing growth of a population within an environment

6. Limiting Factors: Abiotic
Wind
Temperature
Moisture/Rainfall
Light
Soil
Drought, Hurricanes, Tornadoes, Fires, Floods

7. Limiting Factors: Biotic
Bacteria
Plants
Fungi
Animals
Decomposers
Disease, Parasitism, Predation, Competition

8. Video: Population Dynamics