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A method of estimating income of nutrients in a catch of airborne particles by a woodland canopy.

Published online: 24 Feb 1970

Authors: White, E. J. & Turner, F.

Content type: Journal article

Journal title: Journal of Applied Ecology

Describes a method for estimating the income of K, Mg, Ca, P and Na to a woodland ecosystem in the airborne particles caught by the tree canopy, and g...

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A portable linear amplifier for use with solarimeters.

Published online: 24 Feb 1970

Authors: Gardner, G. & Sutton, F.

Content type: Journal article

Journal title: Journal of Applied Ecology

The amplifier, which can be made for les than <less than>pounds<more than>20, is described and illustrated. It has proved particularly use...

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A tipping bucket recorder for use in stem flow studies.

Published online: 24 Feb 1970

Authors: White, E. J. & Rhodes, P. S.

Content type: Journal article

Journal title: Journal of Applied Ecology

The recorder described and illustrated is particularly suitable for stem-flow studies because of its large-capacity buckets (100 ml.).KEYWORDS: Hydrol...

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An algorithm for estimating the length and direction of shadows with reference to the shadows of shelter belts.

Published online: 16 Nov 1969

Authors: Usher, M. B.

Content type: Journal article

Journal title: Journal of Applied Ecology

Gives an ALGOL procedure that computes the length and direction of shadows from data on the geographical location, date, time of day and height of the...

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Organic matter changes in an age series of Pinus radiata plantations [in Australia.

Published online: 16 Nov 1969

Authors: Forrest, W. G. & Ovington, J. D.

Content type: Journal article

Journal title: Journal of Applied Ecology

Data are given on the above-ground biomass of trees, ground flora and litter for a series of young P. radiata plantations 3, 5, 7, 9 and 12 years old ...

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A technique for determining resistance to mass transfer through the boundary layers of plants with complex structure.

Published online: 16 Nov 1969

Authors: Landsberg, J. J. & Ludlow, M. M.

Content type: Journal article

Journal title: Journal of Applied Ecology

Shoots of Picea sitchensis and Calluna vulgaris were covered with a thin layer of gypsum, which held sufficient water to give good estimates of evapor...

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Portable rainfall simulator and plot unit for use in field studies of infiltration, runoff and erosion.

Published online: 24 Feb 1969

Authors: Costin, A. B. & Gilmour, D. A.

Content type: Journal article

Journal title: Journal of Applied Ecology

Robust, portable equipment is described for determining infiltration, surface run-off, and soil- and nutrient-erosion characteristics of field sites b...

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Breeding success and organo-chlorine residues in golden eagles in west Scotland.

Published online: 22 May 1971

Authors: Lockie, J. D. & Ratcliffe, D. A. & Balharry, R.

Content type: Journal article

Journal title: Journal of Applied Ecology

The same 25 eyries of golden eagles (Aquila chry-saetos) were examined each year in west Scotland. In 1963-65 the "percentage of nests with eggs from ...

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The relation of photosynthesis by phytometers in the profiles of kale crops to leaf area index above them.

Published online: 26 Oct 1970

Authors: Leach, G. J.

Content type: Journal article

Journal title: Journal of Applied Ecology

To estimate the effect of the foliage at different positions in the profiles of kale crops on the rate of photosynthesis below it, the leaf area index...

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Effects of planting density on bulb yield in the tulip.

Published online: 26 Oct 1970

Authors: Rees, A. R. & Turquand, E. D.

Content type: Journal article

Journal title: Journal of Applied Ecology

The effects of 5 planting densities (p), viz. 10x20, 10 x 10, 10 x 7. 5, 10 x 5 and 5 x 7. 5 cm., on leaf growth and bulb yield were investigated for ...

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