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Showing 11 results

Productivity and canopy structure in seven temperate forage grasses.

Published online: 13 Jan 1968

Authors: Hunt, L. A. & Cooper, J. P.

Content type: Journal article

Journal title: Journal of Applied Ecology

Yield determinations were made during Apr.-May and Aug.-Sept. on vegetative swards of Arrhenatherum elatius, Cynosurus cristatus, Festuca arundinacea,...

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Climatic variation in forage grasses. II. Germination, flowering and leaf development in Mediterranean populations of Phalaris tuberosa.

Published online: 30 Nov 1967

Authors: Cooper, J. P. & Mcwilliam, J. R.

Content type: Journal article

Journal title: Journal of Applied Ecology

Eight populations covering the climatic range from Morocco and Israel to northern Italy and northern Greece differed little in germination characteris...

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Nitrogen mineralization and nitrification in amended colliery spoils.

Published online: 01 Jan 1976

Authors: Williams, P. J. & Cooper, J. E.

Content type: Journal article

Journal title: Journal of Applied Ecology

Mineral nitrogen concentrations were greater in acid spoils (pH<5) than in limed or neutral spoils. In acid spoils, the predominant form was NH4-N....

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Light interception, photosynthetic activity, and crop growth rate in canopies of six temperate forage grasses.

Published online: 01 Jan 1973

Authors: Sheehy, J. E. & Cooper, J. P.

Content type: Journal article

Journal title: Journal of Applied Ecology

Growth rates of grasses in midsummer at complete light interception were 21.9 g/m2 day (3.9% light energy conversion) for timothy cv. S352, 25 g (4.3%...

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Climatic variation in forage grasses. I. Leaf development in climatic races of Lolium and Dactylis.

Published online: 03 Dec 1965

Authors: Cooper, J. P.

Content type: Journal article

Journal title: Journal of Applied Ecology

Patterns of leaf expansion, under various light and temperature régimes, were studied in races of L. perenne and D. glomerata representing the climati...

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Climatic variation in forage grasses. 1. Leaf development in climatic races of Lolium and Dactylis.

Published online: 18 Jan 1965

Authors: Cooper, J. P.

Content type: Journal article

Journal title: Journal of Applied Ecology

Leaf expansion was investigated in 10 ecotypes of Lolium perenne and 7 of Dactylis glomerata. Seasonal sowings revealed a regular cline in relative ra...

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Field effects of ivermectin residues on dung beetles.

Published online: 12 Apr 1995

Authors: Lumaret, J. P. & Galante, E. & Lumbreras, C. & Mena, J. & Bertrand, M. & Bernal, J. L. & Cooper, J. F. & Kadiri, N. & Crowe, D.

Content type: Journal article

Journal title: Journal of Applied Ecology

The effects and the persistence of a single sc injection of ivermectin (Ivomec) to steers, at the recommended dose rate of 200 µg/kg body weight, were...

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Climatic variation in forage grasses. 2. Germination, flowering and leaf development in Mediterranean populations of Phalaris tuberosa.

Published online: 13 Jan 1967

Authors: Cooper, J. P. & Mcwilliam, J. R.

Content type: Journal article

Journal title: Journal of Applied Ecology

8 Mediterranean populations of P. tuberosa covering the climatic range from Morocco and Israel (severe summer drought, growing season 5-6 months) to N...

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Cryptic population decrease due to invasive species predation in a long-lived seabird supports need for eradication.

Published online: 07 Oct 2022

Authors: Oppel, S. & Clark, B. L. & Risi, M. M. & Horswill, C. & Converse, S. J. & Jones, C. W. & Osborne, A. M. & Stevens, K. & Perold, V. & Bond, A. L. & Cuthbert, R. & Cooper, J. & Ryan, P. G.

Content type: Journal article

Journal title: Journal of Applied Ecology

Invasive species are one of the greatest drivers of biodiversity loss worldwide, and the eradication of invasive species from islands is a highly effi...

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Climatic variation in forage grasses. 3. Seasonal changes in growth and assimilation in climatic races of Lolium, Dactylis and Festuca.

Published online: 13 Jan 1968

Authors: Maccoll, D. & Cooper, J. P.

Content type: Journal article

Journal title: Journal of Applied Ecology

Seasonal changes in relative growth rate (RGR) and its components, net assimilation rate (NAR) and leaf area ratio (LAR), were measured in Mediterrane...

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