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Showing 16 results

Bud-eating by bullfinches in relation to the natural food-supply.

Published online: 03 Nov 1965

Authors: Newton, I.

Content type: Journal article

Journal title: Journal of Applied Ecology

A comparison between the damage caused by bullfinches to Conference and to Doyenne du Cornice pears showed that the birds preferred the former variety...

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Climate change mitigation through intensified pasture management: estimating greenhouse gas emissions on cattle farms in the Brazilian Amazon.

Published online: 18 Jan 2017

Authors: Bogaerts, M. & Cirhigiri, L. & Robinson, I. & Rodkin, M. & Hajjar, R. & Costa Junior, C. & Newton, P.

Content type: Bulletin

Cattle ranching in Brazil is a key driver of deforestation and greenhouse gas (GHG) emissions. The Brazilian government plans to reduce national GHG e...

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Recovery of a sparrowhawk population in relation to declining pesticide contamination.

Published online: 03 Apr 1993

Authors: Newton, I. & Wyllie, I.

Content type: Journal article

Journal title: Journal of Applied Ecology

Sparrowhawks (Accipiter nisus) found dead in eastern England showed a significant reduction in HEOD (organochlorine pesticide residues derived from al...

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Ravens and buzzards in relation to sheep-farming and forestry in Wales.

Published online: 01 Jan 1983

Authors: Newton, I. & Davis, P. E. & Davis, J. E.

Content type: Journal article

Journal title: Journal of Applied Ecology

Population density, diet and breeding success of ravens (Corvus corax) and buzzards (Buteo buteo) was studied from 1975 to 1979 on enclosed farmland, ...

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The decline of the raven, Corvus corax, in relation to afforestation in southern Scotland and northern England.

Published online: 01 Jan 1978

Authors: Marquiss, M. & Newton, I. & Ratcliffe, D. A.

Content type: Journal article

Journal title: Journal of Applied Ecology

The known population of ravens in 1946-1960 has greatly declined. The decline is related to the increase in afforestation, which has reduced the area ...

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The role of different organo-chlorine compounds in the breeding of British sparrowhawks.

Published online: 01 Jan 1978

Authors: Newton, I. & Bogan, J.

Content type: Journal article

Journal title: Journal of Applied Ecology

Organochlorine levels and shell thickness indices varied little between eggs in the same clutch of Accipiter nisus in the UK, but they varied greatly ...

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Factors influencing bird species numbers in small woods in south-east England.

Published online: 28 Aug 1996

Authors: Bellamy, P. E. & Hinsley, S. A. & Newton, I.

Content type: Journal article

Journal title: Journal of Applied Ecology

Small woods (151) in a 70×30 km agricultural area in Cambridgeshire and S. Lincolnshire, ranging in size from 0.02 to 30 ha and with differing degrees...

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Feeding of geese on farmland in east-central Scotland.

Published online: 01 Jan 1975

Authors: Newton, I. & Campbell, C. R. G.

Content type: Journal article

Journal title: Journal of Applied Ecology

Greylag and pink-footed geese fed together around Loch Leven, Kinross, at a rate equivalent to 0.54 and 0.39 geese/ha day during 2 successive winters....

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Habitat, female age, organo-chlorine compounds and breeding of European sparrowhawks.

Published online: 01 Jan 1980

Authors: Newton, I. & Marquiss, M. & Moss, D.

Content type: Journal article

Journal title: Journal of Applied Ecology

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Changes attributed to pesticides in the nesting success of the sparrowhawk in Britain.

Published online: 01 Jan 1974

Authors: Newton, I.

Content type: Journal article

Journal title: Journal of Applied Ecology

The nesting success of the sparrowhawk (Accipiter nisus) in and near arable areas in Britain has declined since 1947, owing to increased egg-breakage ...

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