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Showing 19 results

Photosynthesis in Sitka spruce VIII. The effects of light flux density and direction on the rate of net photosynthesis and the stomatal conductance of needles.

Published online: 01 Jan 1982

Authors: Leverenz, J. W. & Jarvis, P. G.

Content type: Journal article

Journal title: Journal of Applied Ecology

[See FA 38, 1151] Needles of Sitka spruce were illuminated on either the top or bottom surfaces or on both simultaneously, using parallel beam light. ...

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Effects of early and late season defoliation on growth and carbohydrate dynamics in Scots pine.

Published online: 01 Jan 1982

Authors: Ericsson, A. & Larsson, S. & Tenow, O.

Content type: Journal article

Journal title: Journal of Applied Ecology

In a Swedish experiment, 18-yr-old Scots pine were defoliated by hand in early and late summer, simulating different degrees of insect grazing on the ...

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Photosynthesis in Sitka spruce (Picea sitchensis (Bong.) Carr.) IX. The relative contribution made by needles at various positions on the shoot.

Published online: 01 Jan 1982

Authors: Leverenz, J. W. & Jarvis, P. G.

Content type: Journal article

Journal title: Journal of Applied Ecology

The insertion angle of the needles, their position on the stem, and their width had large effects on the uptake of 14CO2 by detached 'sun' and 'shade'...

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Prescribed fire and conifer removal promote positive understorey vegetation responses in oak woodlands.

Published online: 28 Sep 2016

Authors: Livingston, A. C. & Varner, J. M. & Jules, E. S. & Kane, J. M. & Arguello, L. A.

Content type: Journal article

Journal title: Journal of Applied Ecology

Fire-prone woodlands and savannas world-wide face management challenges resulting from fire exclusion and subsequent encroachment of fire-sensitive tr...

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Photosynthesis in Sitka spruce (Picea sitchensis (Bong.) Carr.) X. Acclimation to quantum flux density within and between trees.

Published online: 01 Jan 1982

Authors: Leverenz, J. W. & Jarvis, J. W.

Content type: Journal article

Journal title: Journal of Applied Ecology

The photosynthetic capacity of shoots from whole plants grown in low light (low light phenotypes) was higher than that of high light phenotypes, where...

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Production of branches and foliage by young trees of Pinus contorta and Picea sitchensis: provenance differences and their simulation.

Published online: 01 Jan 1976

Authors: Cannell, M. G. R.

Content type: Journal article

Journal title: Journal of Applied Ecology

Measurements were made of the length and disposition of all branches on young trees of P. contorta (a) planted in Peeblesshire, Scotland, in 1966, and...

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Effects on growth of simulated and induced shoot pruning by Tomicus piniperda as related to carbohydrate and nitrogen dynamics in Scots pine.

Published online: 19 Jun 1986

Authors: Ericsson, A. & Hellqvist, C. & Långström, B. & Larsson, S. & Tenow, O.

Content type: Journal article

Journal title: Journal of Applied Ecology

In a field experiment in central Sweden, shoots of 20-year-old Scots pine (Pinus sylvestris) were hand-pruned in 2 series, 1 with non-fertilized trees...

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Photosynthesis in Sitka Spruce (Picea sitchensis (Bong.) Carr.). I. General characteristics.

Published online: 06 Nov 1971

Authors: Ludlow, M. M. & Jarvis, P. G.

Content type: Journal article

Journal title: Journal of Applied Ecology

A study of net photosynthesis, respiration, and stomatal and mesophyll resistance of 3- to 4-year-old Sitka Spruce seedlings, grown in a greenhouse, i...

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Effect of nitrogen supply on net primary production in Corsican Pine.

Published online: 01 Jan 1976

Authors: Miller, H. G & Miller, J. D.

Content type: Journal article

Journal title: Journal of Applied Ecology

Reports further studies in the stand of Pinus nigra var. maritima already described [see preceding abstract]. Net primary production of the Pine was n...

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The relationship of potato leaf temperatures to air temperatures as affected by overhead irrigation, soil moisture and weather.

Published online: 19 Dec 1972

Authors: Lomas, J. & Schlesinger, E. & Zilka, M. & Israeli, A.

Content type: Journal article

Journal title: Journal of Applied Ecology

Automatically recording thermocouple sensing elements clipped to potato leaves and thermocouple needles inserted into the midrib of the leaf showed th...

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