1. The shore environment: problems for organisms and their investigators.
2. Vertical distributions: 'zonation' and its causes.
3. Communities on the shore: the effects of wave exposure.
Algae, the primary energy sources.
5. Grazers and their influences.
6. Suspension feeders: how to live on floating food.
7. Predators and their influences.
8. The functioning of rocky-shore communities.
9. Biodiversity, pollution and conservation.