Ch 1 Flashcards
1
Q
Inverse correlation between frequency and magnitude
A
- Frequent occurrences are low in mag, rare occurrences are high in mag
- Small-scale events common, big events rare
- Big event, long return period (recurrence interval, reciprocal of probability)
2
Q
Before Demographic Transition
A
High d rates offset by high b rates = maintain pop
3
Q
During Demographic Transition
A
low d rates and high b rates = pop soars
4
Q
After Demographic Transition
A
low d rates and low b rates = pop stabilizes