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This is an archive copy of a live presentation and webcast made at the Natural History Museum’s Darwin Centre.The line between plants and animals becomes blurred or disappears when looking at many...
Presents an account of the work of the Freshwater Fisheries Laboratory and its specialist units at Montrose, Almondbank, Deeside and Aberdeen, all in Scotland.
Historically the Volga has been a rich source of the Beluga sturgeon and its caviar. But the river is now overfished and dying from pollution. Looks at the consequences and causes of these problems,...
Lake Baikal in Siberia is the oldest and deepest lake on earth, holding a fifth of the earth’s fresh water. But the delicate balance of this ancient ecosystem has been endangered by overfishing and...
Micro-photograpic footage showing the hidden world beneath the surface of lakes and ponds, examining the water flea ‘Daphnia’, the carnivorous plant ‘Ultricularia vulgaris’ and its ensnaring...
Looks at the underwater lives not only of trout and mayfly but also the other inhabitants of the trout stream. Trout spawn, a dipper flies underwater, a pike attacks, bullheads bark at each other in...
An introduction to fresh water ecology, based on Loch Lomond. Explores various physical and topographical features of the different regions of the loch and relates the planktonic and benthic flora and fauna...
The detailed biology of this ectoparasite of freshwater fishes. The manner of infection, the host’s response to the parasite, the functional morphology and the life history of the parasite are shown in...
Showss the source of the lake, then moves around the lake showing the unity between natural things and human beings in the environment.
Examines the following characteristics in various genera of ‘Euglena’: polymorphism; heterotrophic and autotrophic feeding of ‘E. gracilis’; movement; longitudinal binary fission; colouration by...
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