Lecture 8 Stochasticity Flashcards
1
Q
What is stochasticity?
A
- Demographic
- Environmental
2
Q
Dempgraphic Stochasticity
A
- Due to chance flutuations in birth an death rates
- Essentially a sample size problem
3
Q
Environmental Stochasticity
A
-Due to fluctuations in environmental facts that influence birth and death rates as well as carrying capacity
4
Q
Population growth is multiplicative
A
-Average population growth over time is given by the geoment mean
