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The alternative WEHAM scenarios: wood preference, nature conservation and trend update scenario development, results and analysis.

Published online: 17 Oct 2018

Authors: Oehmichen, K. & Klatt, S. & Gerber, K. & Polley, H. & Röhling, S. & Dunger, K.

Content type: Miscellaneous

The wood-preference scenario and the nature-conservation scenario are alternative forest management scenarios developed in the research project "WEHAM...

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Changes in Organic Participatory Guarantee Systems (PGS) in Northern Vietnam.

Published online: 17 Oct 2018

Authors: Nhung Tu Tuyet & Whitney, C. W.

Content type: Bulletin article; Conference paper

Organic Participatory Guarantee Systems (PGS) may be on important contribution to Organic 3.0. The way that PGS systems are managed can be a major det...

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Factors affecting the aggregation of the adult cabbage root fly (Erioischia brassicae (Bouche)) at hedges.

Published online: 01 Jan 1974

Authors: Hawkes, C.

Content type: Journal article

Journal title: Journal of Applied Ecology

The effects of hedges and a lath barrier on the distribution of adults of Hylemya (Erioischia) brassicae (Bch.) in the field [cf. RAE/A60, 3692] was o...

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The effects of seasonal grazing on the Heteroptera and Auchenorhyncha (Hemiptera) of chalk grassland.

Published online: 01 Jan 1974

Authors: Morris, M. G.

Content type: Journal article

Journal title: Journal of Applied Ecology

Samples of Heteroptera and Auchenorrhyncha were taken from replicated plots grazed by sheep in spring, summer, autumn and winter and from ungrazed are...

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Intra-specific competition of Boophilus microplus (Canestrini) on cattle.

Published online: 01 Jan 1974

Authors: Sutherst, R. W. & Utech, K. B. W. & Dallwitz, M. J. & Kerr, J. D.

Content type: Journal article

Journal title: Journal of Applied Ecology

Density-dependent mortality was shown to occur among the parasitic stages of Boophilus microplus (Can.) on European and Zebu X European breeds of catt...

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The natural mortality of wheat-bulb fly eggs in bare fallow soils.

Published online: 01 Jan 1974

Authors: Ryan, M. F.

Content type: Journal article

Journal title: Journal of Applied Ecology

The survival of four populations of eggs of Hylemya (Leptohylemyia) coarctata (Fall.) at Rothamsted in southern England was studied. Few eggs disappea...

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Influence of grain characteristics on optimal diet of field-feeding mallards Anas platyrhynchos.

Published online: 21 Aug 1987

Authors: Clark, R. G. & Greenwood, H. & Sugden, L. G.

Content type: Journal article

Journal title: Journal of Applied Ecology

The relationship between cereal preference and rate of energy intake was studied for the mallard and 4 types of cereal grain. In a field experiment at...

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The natural mortality of wheat-bulb fly larvae.

Published online: 01 Jan 1974

Authors: Ryan, M. F.

Content type: Journal article

Journal title: Journal of Applied Ecology

In further investigations at Rothamsted [cf. preceding abstract], parasitism, overcrowding (two or more larvae in the same shoot), disease and predati...

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A sensitive device for recording atmospheric CO2 profiles.

Published online: 01 Jan 1974

Authors: Saugier, B. & Ripley, E. A.

Content type: Journal article

Journal title: Journal of Applied Ecology

The system described samples average atmospheric CO2 content at 6 levels and can detect differences of 0.1 ppm between levels.

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Ecology of tin tailings areas: plant communities and their succession.

Published online: 01 Jan 1974

Authors: Palaniappan, V. M.

Content type: Journal article

Journal title: Journal of Applied Ecology

The pioneer community on sand tailings areas in W. Malaysia contained a number of grasses and legumes, including Tricholaena rosea [= Rhynchelytrum re...

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