Introduction to ecosystems (Milton Keynes, England : Open University, 1974)
The programme examines characteristics of 4 ecosystems. 1. Port Meadow, Oxford - a flood meadow by River Thames - 2. Wytham wood, Berks - a deciduous - 3. Black Moor, near Glossop, Derbyshire - an acid peat moor - 4. a field at the Oxford University Farm - a wheatfield.
Bahan rosak (Lupus).
Narrator: Irene Ridge.
Keywords: Ecology; Biological productivity