Ordinal species richness in insects-a preliminary study of the influence of morphology, life history, and ecology von Ferns, P.N., Jervis, M.A.

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Effects of Mechanical Cockle Harvesting on Intertidal Communities von Ferns, P. N., Rostron, D. M., Siman, H. Y.

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The Severn Estuary's changing wader populations during the last two decades von Ferns, P.N.

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Sexual selection: by M. Andersson. Princeton: Princeton University Press, 1994. xx+599 pp. ISBN 0 691 03344 7. £19.95 von Ferns, P.N.

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Birds of the Bristol Channel and Severn Estuary von Ferns, P.N.

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