Natural History | 1960 | Sound | Colour
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Dungeness power station. Birds. Bearded bird warden. Man uses binoculars. Bird watching. Man walks through scrubby land past gorse bushes. Picks up young bird from ground nesting nest. Trapping birds in netting for checking on. RSPB. Garden warbler. Dungeness Bird Observatory. Ringing a bird. Weighing bird and recording details. Moth sanctuary at Dungeness. Moth on a piece of wood. Guillemot in a washing up bowl on lawn. Heron with bandaged wing. Young long-eared owl. Looking after wildlife.
North Wales - Trawsfynydd Nuclear Power station on lakeside. Fly fishing championship for rainbow trout on lake. Man in boat angling. Netting a large trout. Road signs for Nant-y-Moch, Tal-y-Bont and Ponterwyd on mountain roads. Rheiddol River valley in mid Wales and hydro electric scheme and dam. Reservoir, abandoned lead mine. Fish are able to bypass waterfalls because engineers have constructed tunnels for them. The Rheidol Falls. Fish ladder constructed next to falls. Electronic fish counter - a fish meter.
River Cilieni near Brecon where a salmon hatchery has been built by the CEGB. Feeding young fish. The River Usk in South Wales. Power station Uskmouth B on the Bristol Channel just south of Newport, South Wales. Up the River Severn at Ironbridge is a power station. Scientist wades in river and fishes in mud. Colleague on shore sifts through mud.
Roosecote Power Station at Barrow in Furness. Qantas Australian aircraft 'The City of Sydney', men unloading boxes containing grass carp which will feed on weed affecting the water intake to the power station. Introduction of alien species which could become an invasive species. Small light aircraft taxiing at Heathrow Airport. Releasing hatchlings from a bucket.
South East of England and the Blackwater estuary. Bradwell nuclear power station in Essex. Fishing boat or trawler off Essex coast. Bearded skipper looks out of wheelhouse window. Scientists from the CEGB dredge seabed and wash down the mud to find a mass of American slipper limpets in place of the oysters that would have been dredged up 100 years before. The slipper limpets were an accidental introduction in the 1880's. Scientists test impact of nuclear power station on local sea life and environment. Checking sized of limpets grown in warm waste water from the plant. Microscopic image of larva of limpet.
The Central Electricity Generating Board.
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