The Ageing of the lakes

United States, 1971

Film
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Explains the process of the natural ageing and eventual death of lakes, called eutrophication. Also links man’s environmental interference with the changes in the lakes and investigates current efforts to retard eutrophication and preserve and restore lakes in America. Discusses pollution and methods for its control.

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Collection

In ACMI's collection

Credits

producer

John Walker

production company

Encyclopaedia Britannica Films

Duration

00:13:00:00

Production places
United States
Production dates
1971

Collection metadata

ACMI Identifier

000198

Language

English

Subject categories

Anthropology, Ethnology, Exploration & Travel → Geography

Climate, Environment, Natural Resources & Disasters → Ecology

Climate, Environment, Natural Resources & Disasters → Lakes

Climate, Environment, Natural Resources & Disasters → Natural history

Climate, Environment, Natural Resources & Disasters → Water - Pollution

Documentary

Documentary → Documentary films - United States

Mathematics, Science & Technology → Geography

Short films

Short films → Short films - United States

Sound/audio

Sound

Colour

Colour

Holdings

16mm film; Access Print (Section 1)

Please note: this archive is an ongoing body of work. Sometimes the credit information (director, year etc) isn’t available so these fields may be left blank; we are progressively filling these in with further research.

Cite this work on Wikipedia

If you would like to cite this item, please use the following template: {{cite web |url=https://acmi.net.au/works/64606--the-ageing-of-the-lakes/ |title=The Ageing of the lakes |author=Australian Centre for the Moving Image |access-date=6 May 2025 |publisher=Australian Centre for the Moving Image}}