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"You can't clear scrub and get chalk grassland unless ...." Forty years experience on the Devil's Ditch

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This talk is part of the AGM of the Friends of the Roman Road and Fleam Dyke. Professor Grubb is our Patron. Chalk grassland is now an endangered habitat in Cambridge because so many such areas were cleared as sheep grazing gave way to arable farming. The three Linear Sites: the Devil’s Ditch or Dyke, the Fleam Dyke and the Roman Road are best surviving examples of this sort of habitat, but they have all suffered from scrub overgrowth. There has been a tendency to clear scrub in the hope of restoring the lost flora. This continues despite a great deal of research work by Peter Grubb in the l970s demonstrating the failure of this approach. In this talk he will explain the nature of the problem and why simple clearance will not work.

This talk is part of the Wildlife and Environment series.

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