Foundations of Population Ecology
0:00 / 4:37
Introduction to Population Ecology
0:00 - 0:33
Defines a population and distinguishes it from a community.
Density and Dispersal
0:33 - 1:08
Explains population density and immigration, emigration, and migration.
Vital Statistics
1:08 - 1:46
Contrasts natality, mortality, and the vital index.
Survivorship and Age Structure
1:46 - 2:24
Interprets survivorship curves and age pyramids.
Growth Models
2:24 - 2:58
Contrasts exponential and logistic population growth.
Positive Interactions
2:58 - 3:32
Introduces mutualism and commensalism with examples.
Negative Interactions and Mimicry
3:32 - 4:08
Covers parasitism, predation, competition, and mimicry.
The Balance of Populations
4:08 - 4:37
Summarizes key drivers of population dynamics.