Methods library · Organisms and the field
Natural experiments and long-term field studies
Also called natural experiment, long-term study, space-for-time
Learning causes from events nature imposes and from following the same populations for years, with comparison sites.
The film for this method is in production. Until then, the lessons below explain it where they use it.
Where it is taught
10 lessons use this method.
Ecology and Evolution
- Natural Selection in Ecological Context
- Drift, Gene Flow and Competing Explanations
- Speciation
- Climate, Biomes and Environmental Variation
- Population Growth and Regulation
- Competition
- Predation and Community Effects
- Diversity, Disturbance and Succession
- Energy Flow and Productivity
- Global Change Across Scales