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  1. Succession (1986 Video)

    Producer
    Aileen Llewellyn
    Subject
    Biology
    Distribution
    OUT OF DISTRIBUTION, Videocassette. Standard formats. col. 24 min.

    Discusses the plant succession that takes place on sand dunes. The sand dunes at Braunton Burrows in North Devon provide the study example.

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  2. Sexual Selection and Speciation: Behaviour Studies on Hawaiian Picture Wings and Their Potential in a Med Fly Eradication Program (1992 Video)

    Producer
    David Jackson
    Subject
    Biology
    Distribution
    Off-air recording licence Sale, Videocassette. Standard formats. col. 40 min., 1998 sale: £85.00 (+VAT +p&p)

    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...

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  3. Designs for Living (1991 Video)

    Producer
    Barrie Whatley
    Subject
    Biology
    Distribution
    Sale, Videocassette. Standard formats. col. 25 min., 1998 sale: £145.00 (+VAT +p&p)

    Using simple demonstrations and time-lapse photography explains the principles underlying the structures of seedlings, shoots, herbaceous plants, trees and leaves. Using the microscope, examines how these...

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  4. Flevoland Polders: A Managed Succession (1986 Video)

    Producer
    Tony Jolly
    Subject
    Biology; Environmental science
    Distribution
    OUT OF DISTRIBUTION, Videocassette. Standard formats. col. 24 min.

    Shows how the hydrosere succession has been ‘managed’ in the Dutch polders to produce a variety of habitats and land types. Following exclosure from the sea, the shallow freshwater lakes and marshes that...

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  5. Plants: Problems with Water (1991 Video)

    Producer
    Aileen Llewellyn
    Subject
    Biology
    Distribution
    Off-air recording licence Sale, Videocassette. Standard formats. col. 24 min., 1998 sale: £145.00 (+VAT +p&p)

    When does biology seem to outstrip simple physics? Ordinary air pressure can only raise a column of water up ten metres, but a giant redwood tree can raise it more than 100 metres. The film demonstrates how...

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  6. Rocky Shores: Life on the Edge (1994 Video)

    Producer
    Tony Jolly
    Subject
    Biology
    Distribution
    Off-air recording licence Sale, Videocassette. Standard formats. col. 24 min., 1998 sale: £145.00 (+VAT +p&p)

    A tour of rocky shores in Pembrokeshire, showing the rich diversity of plants (mainly algae) and animals (mainly barnacles and limpets) present in the intertidal zone. Shows the broad horizontal bands...

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  7. Problem with Ions, A (1991 Video)

    Producer
    John Stratford
    Subject
    Biology
    Distribution
    Off-air recording licence Sale, Videocassette. Standard formats. col. 24 min., 1998 sale: £145.00 (+VAT +p&p)

    Dust from the Chernobyl nuclear accident reached Britain in April 1986, but some areas of the Cumbrian uplands were still radioactive in the autumn of 1990. This runs counter to the early predictions: what...

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