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Congrès
Article
Ian Prestt ; D.J. Jefferies ; N.W. Moore July 1, 1970Environmental Pollution, 1(1)The amounts of polychlorinated biphenyl (PCB) compounds present in the livers and eggs of wild birds in Britain were determined by gas-liquid chromatography. Most of the 559 specimens came from predatory birds obtained between April 1966 and Aug[...]
Article
Ian Prestt ; D.J. Jefferies 09/1969Bird Study, 16(3)
Article
Ian Prestt ; A.A. Bell December 1, 1966Bird Study, 13(4)
Article
Ian Prestt 1966Journal of Applied Ecology, 3[Studies of possible effects of pesticides on populations of wild vertebrates in Britain have principally been confined to the birds of prey, the Heron and the Great Crested Grebe. These were selected after analyses showed they contained higher [...]
