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REFERENCES

  • Braid, K. W. (1959). Bracken: a review of the literature. Commonw. agric. Bur. No. 3 (1959), 1.
  • Fidler, J. H. (1963). The role of sheep in the degeneration of bracken on Ilkley Moor. Naturalist, Hull, 1963, 41.
  • Frankland, J. C. (1969). Fungal decomposition of bracken petioles. J. Ecol., 57, 25.
  • Garrett-Jones, R. (1960). Grazing of bracken by sheep in South Wales. Proc. 4th Br. Weed Control Conf., 1958, 194.
  • Garrett-Jones, R. (1961). Bracken grazing by sheep. Agriculture, Land., 68, 510.
  • Garrett-Jones, R. (1969). Bracken regression on an East Suffolk Heath. Suffolk Nat. Hist., 15, 59.
  • Watt, A. S. (1940). Contributions to the ecology of bracken (Pteridium aquilinum). I. The rhizome. New Phytol, 39, 401.
  • Watt, A. S. (1947). Contributions to the ecology of bracken (Pteridium aquilinum). IV. The structure of the community. New Phytol., 46, 97.
  • Watt, A. S. (1950). Contributions to the ecology of bracken (Pteridium aquilinum). V. Bracken and frost. New Phytol., 49, 308.
  • Watt, A. S. (1954). Contribution to the ecology of bracken (Pteridium aquilinum). VI. Frost and the advance and retreat of bracken. New Phytol., 53, 117.
  • Watt, A. S. (1955). Bracken versus heather, a study in plant sociology. J. Ecol., 43, 490.
  • Watt, A. S. (1956). Contributions to the ecology of bracken (Pteridium aquilinum). VII. Bracken and litter. 1. The origin of rings. New Phytol., 55, 369.
  • Watt, A. S. (1969). Contributions to the ecology of bracken (Pteridium aquilinum). VII. Bracken and litter. 2. Crown form. New Phytol., 68, 841.
  • Watt, A. S. (1970). Contributions to the ecology of bracken (Pteridium aquilinum). VII. Bracken and litter. 3. The cycle of change. New Phytol., 69, 431.
  • Watt, A. S. (1971). Factors controlling the floristic composition of some plant communities in Breckland. In: The Scientific Management of Plant and Animal Communities for Conservation (Ed. by E.Duffey and A. S.Watt), Symp. Brit. Ecol. Soc. 11, 137.