Agency - English program:.Pacific Centre. Study guide available.

Director, David Denning ; cinematography, David Denning ; producer, George Johnson ; executive producer, John Taylor ; editing, Bruce Giesbrecht ; sound editing, Charles Wilkinson ; re-recording, Paul Sharpe ; music, Bruce Ruddell.

Narrator, Stan Peters.

Recorded 1985.

This highly informative film is a basic analysis of the ecology of the intertidal zone in British Columbia, that area covered by the highest tides and exposed during the lowest. Many special adaptations to this difficult environment, as well as its life cycles and food chains, are detailed with some stunning visual material.

Mode of access: World Wide Web.

Description based on online resource; title from title screen (National Film Board of Canada, viewed 2023-08-10).