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Factors affecting the abundance of shoot-flies (Diptera) in grassland.

Published online: 01 Jan 1975

Authors: Mowat, D. J.

Content type: Journal article

Journal title: Journal of Applied Ecology

The shoot-fly larvae overwintering in cut and grazed grass in Northern Ireland were studied over a five-year period. The commonest species found were ...

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The selection of natural enemies for the biological control of the Australian bushfly.

Published online: 01 Jan 1975

Authors: Hughes, R. D. & Woolcock, L. T. & Ferrar, P.

Content type: Journal article

Journal title: Journal of Applied Ecology

Musca vetustissima Wlk., although native to Australia, currently breeds in the dung of exotic stock animals. Biological control could therefore be aim...

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The effects of carbaryl and DDT on the litter fauna of a Corsican pine (Pinus nigra var. maritima) forest: a multivariate comparison.

Published online: 01 Jan 1975

Authors: Spain, A. V.

Content type: Journal article

Journal title: Journal of Applied Ecology

The effects of two levels of the insecticides carbaryl (0.11 and 1.13 g/m2) and DDT (0.56 and 5.60 g/m2) on the litter fauna of a closed canopy stand ...

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Temperature requirements of some aphids and their parasites.

Published online: 01 Jan 1975

Authors: Campbell, A. & Frazer, B. D. & Gilbert, N. & Gutierrez, A. P. & Mackauer, M.

Content type: Journal article

Journal title: Journal of Applied Ecology

The temperature requirements of five aphid species (Acyrthosiphon pisum (Harris), Aphis craccivora Koch, Brevicoryne brassicae(L.). Macrosiphum avenae...

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A study of arthropod predation of Pieris rapae L. using serological and exclusion techniques.

Published online: 01 Jan 1975

Authors: Ashby, J. W.

Content type: Journal article

Journal title: Journal of Applied Ecology

In investigations in New Zealand, percentage estimates of the total mortality of Pieris rapae (L.) due to ground-living arthropod predators obtained b...

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Root competition between two strains of Spinacia oleracea. II. Effects of nutrient supply and of non-simultaneous emergence.

Published online: 01 Jan 1975

Authors: Litav, M. & Isti, D.

Content type: Journal article

Journal title: Journal of Applied Ecology

In competition experiments the suppression of Early Hybrid by F1 Selma was not eliminated by increasing nutrient supply levels up to several times the...

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Root competition between two strains of Spinacia oleracea. I. Pattern and processes.

Published online: 01 Jan 1975

Authors: Litav, M. & Isti, D.

Content type: Journal article

Journal title: Journal of Applied Ecology

Competition between the 2 strains was studied in pot experiments. It was found that F1 Selma (FS) suppressed Early Hybrid (EH) in mixed culture, altho...

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Photosynthesis by grapevine canopies.

Published online: 01 Jan 1975

Authors: Smart, R. E.

Content type: Journal article

Journal title: Journal of Applied Ecology

A new field technique to estimate photosynthesis is described. It relies on describing direct and diffused light fluxes within the canopy, and photosy...

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The influence of soil water content on the uptake of ions by roots. II. Chloride uptake and concentration gradients in soil.

Published online: 01 Jan 1975

Authors: Dunham, R. J. & Nye, P. H.

Content type: Journal article

Journal title: Journal of Applied Ecology

At higher soil water contents, chloride uptake by onion roots was greater, and the zones of depletion extended further. Models of ion transport were d...

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Factor analysis in botanical methods of exploration.

Published online: 01 Jan 1975

Authors: Yates, T. E. & Brooks, R. R. & Boswell, C. R.

Content type: Journal article

Journal title: Journal of Applied Ecology

By means of factor analysis of concentrations of Cu and Zn in soil and of Cu, Zn, Fe and Mn in vegetation, the relationships between biogeochemistry, ...

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