A. LIFE HISTORY VARIATION

1

Australia: graph

Drosophila (fruitfly) survivorship curves

2

Europe Africa: graph

Ancient human surviorship curves

3

Scotland: graph

Balanus (barnacle) survivorship in/out of cages

4

Europe: graph

Birds: clutch size increases with latitude

B. EXPONENTIAL GROWTH - Unlimited Growth ( density-independent)

5

Graph

Simple exponential growth

6

Graph

Exponential growth - 4 species

7

Graph

Painted turtle -arithmetic/logarithmic plots

r = positive

8

England: graph

Gannet - exponential growth 1945-

9

Graph

Human growth - arithmetic

10

Graph

Human growth- logarithmic

developed vs less-developed countries

11

Graph

Scorpion - arithmetic/logarithmic plots

r = negative

C. LOGISTIC GROWTH - Limited by Intraspecific Competition ( density-dependent)

12

Graph

Logistic curve - labelled

13

Graph

Logistic curve - overshoot/undershoot

14

Graph

Logistic curve - overshoot and crash

15

Graph

Paramecium - logistic growth

2 spp with different Ks

16

Tasmania: graph

Sheep 1800-1920 - logistic

17

Graph

Yeast- logistic

18

Graph

Painted turtle- logistic

19

Pribolof Is: graph

Reindeer introductions:

(a) exponential, overshoot, habitat destruction, N crashes to very low K;

(b) logistic, small overshoot, stabilizes to high K