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Wind profiles in plant canopies: studies on an analytical model.

Published online: 06 Nov 1971

Authors: Landsberg, J. J. & James, G. B.

Content type: Journal article

Journal title: Journal of Applied Ecology

Discusses the theory of canopy flow models, and gives wind profiles measured at various heights in an unthinned stand of Sitka Spruce in Scotland, and...

Clustering of attributes on regular point lattices, with an appendix illustrating the application of the procedure to Sirex infestations in plantations of Pinus radiata.

Published online: 06 Nov 1971

Authors: Verhagen, A. M. W.

Content type: Journal article

Journal title: Journal of Applied Ecology

A discussion of theory, including the derivation of reduced formulae for various lattices.
KEYWORDS:
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The role of aphids in wood formation. II. The effect of the Lime aphid, Eucallipterus tiliae L. (Aphididae), on the growth of Lime, Tilia X vulgaris Hayne.

Published online: 06 Nov 1971

Authors: Dixon, A. F. G.

Content type: Journal article

Journal title: Journal of Applied Ecology

In one year, saplings of T. X vulgaris [T. X europaea] increased very little in weight when a population of E. tiliae was allowed to develop on them. ...

The ecology of Cacao viruses. I. The role of wild hosts in the incidence of swollen shoot virus in West Africa.

Published online: 06 Nov 1971

Authors: Tinsley, T. W.

Content type: Journal article

Journal title: Journal of Applied Ecology

Describes the host range of Cacao swollen-shoot virus (CSSV) and the distribution of wild hosts. No consistent association has so far been found betwe...

Effect of undercutting and wrenching on growth of Pinus radiata D. Don seedlings.

Published online: 05 Nov 1971

Authors: Rook, D. A.

Content type: Journal article

Journal title: Journal of Applied Ecology

cf. FA 31 No. 601.] Seedlings of P. radiata, from autumn sowings at Rotorua, New Zealand, were undercut in Dec. and then wrenched weekly (W/1), fortni...

Leaf volume: a simple method for measurement and some notes on its use in studies of leaf growth.

Published online: 24 Oct 1971

Authors: Huxley, P. A.

Content type: Journal article

Journal title: Journal of Applied Ecology

A liquid displacement method is described for rapidly measuring the volumes of individual detached leaves or other small plant parts. It is accurate t...

The role of aphids in wood formation. I. The effect of the sycamore aphid, Drepanosiphum platanoides (Schr.) (Aphididae), on the growth of sycamore, Acer pseudoplatanus (L.).

Published online: 30 Jun 1971

Authors: Dixon, A. F. G.

Content type: Journal article

Journal title: Journal of Applied Ecology

The following is virtually the author's summary of this account of observations in Scotland [cf. RAE A 54 678; 59 1153, 2160]. A sycamore tree kept un...

A Robinson light trap modified for segregating samples at predetermined time intervals, with notes on the effect of moonlight on the periodicity of catches of insects.

Published online: 30 Jun 1971

Authors: Siddorn, J. W. & Brown, E. S.

Content type: Journal article

Journal title: Journal of Applied Ecology

The following is virtually the authors' summary. An account is given of a modified Robinson-type light-trap [cf. RAE A 43 169] for segregating samples...

Some observations on storage insects associated with sacks.

Published online: 30 Jun 1971

Authors: Hardy-smith, J.

Content type: Journal article

Journal title: Journal of Applied Ecology

The following is virtually the author's summary. Infestations of empty food sacks by stored-products insects were studied by examination of 350 sacks ...

Anthracite mining spoils in Pennsylvania. I. Spoil classification and plant cover studies.

Published online: 22 May 1971

Authors: Cornwell, S. M.

Content type: Journal article

Journal title: Journal of Applied Ecology

Proposed classification types are black acidic shales, weakly calcareous grey shales, buff sandstones, oxidized surface spoils and surfacial spoils. M...

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