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Abstract
Autumn migration strategies of Reed and Sedge Warblers.
Bibby, C.J. & Green, R.G.
1981. Ornis Scandinavica, 12: 1-12.
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Abstract
The 'Natural Enemy Ravine' in cereal aphid population dynamics: a consquence of predator activity or aphid biology?
Carter, N. & Dixon, A.F.G.
1981. Journal of Animal Ecology, 50: 605-611.
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Abstract
The overwintering of the rose-grain aphid Metapolophium dirhodum (Wlk.) on wild roses.
Hand, S.C. & Williams, C.T.
1981. In: Thresh, J.M. (ed.) Pests, Pathogens and Vegetation: 307-314. Butterworth, London.
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Abstract
Sexual dimorphism in size of Tawny Owls (Strix aluco) : a method for sexing in field studies.
Hardy, A.R., Hirons, G.J.M., Stanley, P.I., & Huson, L.W.
1981. Ardea, 69: 181-184.
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Abstract
The relationship of body weight, fat deposit and moult to the reproductive cycles in wild Tawny Owls and Barn Owls.
Hardy, A.R., Hirons, G.J.M. & Stanley, P.I.
1981. In: Cooper, J.E. & Greenwood, A.G. (eds) Recent Advances in the Study of Raptor Diseases: 159-163. Proceedings International Symposium on Diseases of Birds of Prey, 1980, London. Chiron Publications Limited, Keighley, West Yorkshire.
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Abstract
The collection of game statistics in Great Britain.
Harradine, J. & Tapper, S.C.
1981. In: Leeuwenberg, F. & Hepburn, I. (eds) Proceedings of the First meeting of the IUGB Working Group on Game Statistics: 59-64. Supplement to the Proceedings of the XV Congress of the International Union of Game Biologists. Working Group on Game Statistics, Wildlife Management Division, Zoetermeer, The Netherlands.
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Abstract
Towards integrated control of cereal aphids.
Powell, W., Dean, G.J., Dewar, A.M., & Wilding, N.
1981. In: Proceedings 1981 Brighton Crop Protection Conference - Pests and Diseases: 201-206. British Crop Protection Council, Farnham.
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Abstract
Factors controlling within-flock feeding densities in three species of wading bird.
Rands, M.R.W. & Barkham, J.P.
1981. Ornis Scandinavica, 12: 28-36.
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Abstract
Aspects of hedge management and their effects on hedgerow fauna.
Sotherton, N.W., Wratten, S.D., Price, S.B., & White, R.J.
1981. Zeitschrift für Angewandte Entomologie, 92: 425-432.
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Abstract
Arthropod succession and diversity in umbels of Cyperus papyrus L.
Sutton, S.L. & Hudson, P.J.
1981. Biotropica, 13: 117-120.