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Examines the problem of finding the right management system to harvest timber from a tropical rainforest while at the same time maintaining the biodiversity of the natural forest. In Trinidad selective block...
VC4: Dr Andrew Bell meets scientists at the University of California, Santa Barbara, who have worked on the San Andreas fault. The work includes Professor Brue Luyendyk’s paleomagnetic work and Professor...
Introduces the geological history of Hawaii and shows how the volcanic environment and climate have produced many different kinds of habitat. Illustrates how species got to the islands and how they became...
The story of the horse from 50 million years ago to the present time. Shows fossil horses and examines the evolution of the features we see in the modern horse. Examines the anatomical changes which led to...
Consists of illustrations and comments on the various ways human intervention as affected natural evolutionary processes. Examples: primitive husbandry and its effects (saami reindeer); artificial selection...
Explains why phenocrysts (large mineral crystals) form in lava flows and why one molten lava forms phenocrysts of a different mineral from another. Examines the crystallisation and melting behaviour of...
Filmed in Svalbard and Northern Norway in winter and summer, the programme compares two types of reindeer, ‘Rangifer tarrandus’ with the Svalbard sub-species, ‘Rangifer tarrandus platyrhynchus’. In...
Measuring the distances between layers by seismic refraction: a simple kind of seismic refraction experiment is set up in the Cretaceous chalk near Didsbury. Then, staff of a geophysical exploration company,...
Discusses the factors for new species formation, using as the example the Hawaiian ‘Drosophila’, the so-called ‘picture-wings’. Considers the biological control of the Mediterranean fruit fly in...
Shows a feral population of peafowl filmed at Whipsnade Zoo, Bedfordshire, and a wild population at two tiger reserves in Rajasthan in Northern India. The courtship behaviour of peacock and peahen is shown...
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