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A population dynamics approach to the wheat bulb fly Delia coarctata problem.

Published online: 01 Jan 1978

Authors: Kowalski, R. & Benson, J. F.

Content type: Journal article

Journal title: Journal of Applied Ecology

A key-factor analysis is presented using data on Delia coarctata (Fall.) populations collected over 12 years from Stackyard field, Rothamsted. The ana...

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Studies in sheep populations and environment in the mountains of north-west Wales. 2. Contemporary distribution of sheep populations and environment.

Published online: 01 Jan 1975

Authors: Hughes, R. E. & Dale, J. & Mountford, M. D. & Williams, I. E.

Content type: Journal article

Journal title: Journal of Applied Ecology

Average summer sheep population densities in ewe units/ha at 56 sites in Snowdonia in 1957-68 were 4.99-10.65 on herb-rich Agrostis tenuis/Festuca ovi...

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Effects of spatial heterogeneity on Jones's model for cyst-nematode population dynamics and crop root damage.

Published online: 27 Apr 1984

Authors: Perry, J. N.

Content type: Journal article

Journal title: Journal of Applied Ecology

Stochastic analogues that included variation in spatial heterogeneity of population densities and of parameter values in Globodera were produced using...

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Are weed population dynamics chaotic?

Published online: 13 Nov 2002

Authors: Freckleton, R. P. & Watkinson, A. R.

Content type: Journal article

Journal title: Journal of Applied Ecology

There have been suggestions that the population dynamics of weeds may show chaotic dynamics, and that therefore it will not be possible to predict the...

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Modelling the effects of recent changes in climate, host density and acaricide treatments on population dynamics of Ixodes ricinus in the UK.

Published online: 03 Aug 2011

Authors: Dobson, A. D. M. & Randolph, S. E.

Content type: Journal article

Journal title: Journal of Applied Ecology

A population model for the tick Ixodes ricinus, the most significant vector of pathogens in Europe, is used to explore the relative impact of changes ...

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Demography of a high-density tiger population and its implications for tiger recovery.

Published online: 21 Jul 2020

Authors: Shikha Bisht & Sudip Banerjee & Qamar Qureshi & Yadavendradev Jhala

Content type: Journal article

Journal title: Journal of Applied Ecology

Prioritizing conservation of source populations within landscapes is proposed as a strategy for recovering tigers globally. We studied population dyna...

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The population dynamics of Anisantha sterilis in winter wheat: comparative demography and the role of management.

Published online: 25 Oct 1999

Authors: Smith, G. L. & Freckleton, R. P. & Firbank, L. G. & Watkinson, A. R.

Content type: Journal article

Journal title: Journal of Applied Ecology

A 3-year field study designed to monitor the detailed population dynamics of Anisantha sterilis in winter wheat, and to explore the consequences of ch...

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Effects of dieldrin on population growth rates of sparrowhawks 1963-1986.

Published online: 29 Sep 2000

Authors: Sibly, R. M. & Newton, I. & Walker, C. H.

Content type: Journal article

Journal title: Journal of Applied Ecology

A recent reappraisal of the evidence of the effects of cyclodiene insecticides on sparrowhawks Accipiter nisus and kestrels Falco tinnunculus in Brita...

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Density-related effects of deer browsing on the regeneration dynamics of boreal forests.

Published online: 18 Jul 2007

Authors: Tremblay, J. P. & Huot, J. & Potvin, F.

Content type: Journal article

Journal title: Journal of Applied Ecology

The density of large herbivores is a major driver of forest ecosystem structure and function in conjunction with episodic disturbances, especially in ...

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Evaluation of aerial surveys of ptarmigan Lagopus species.

Published online: 06 Apr 1999

Authors: Pelletier, L. & Krebs, C. J.

Content type: Journal article

Journal title: Journal of Applied Ecology

A study was conducted during 1990-96 to evaluate the reliability of aerial surveys to monitor trends in the breeding population density of ptarmigan L...

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