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Cardiff Hedgerow Survey 1998

Staff: Tim Rich

The Cardiff Hedgerow Survey 1998 was a joint collaborative project between Cardiff County Council and Amgueddfa Cymru — National Museum Wales to survey a stratified random sample of 211 hedges in the Cardiff area using the Hedgerow Evaluation and Grading System (HEGS) and the Hedgerow Regulations.

The mean number of woody species in a hedge was 7.2, including 0.93 alien species. Parish boundary hedges were the most species-rich, road/track hedges and farm hedges intermediate, and new hedges the most species-poor. Hedges differed in structure and composition by parish.

Most hedges were assessed as of moderately high to very high ecological value. About 78% of the hedges in the Cardiff area are likely to qualify as 'important' under the Hedgerow Regulations. Cardiff hedges compare well in richness with other hedges in South Wales, and are richer than the average for Britain.

Publication: Rich, T. C. G., Clements, D. A., Lewis, J. & Moore, L. (2000). A comparison of four methods used to survey hedges: The Cardiff Hedgerow Survey 1998. Journal of Environmental Management 60: 91-100.

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