Search - Applied Ecology Resources

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Effect of calcium concentration on growth and egg laying of Helisoma duryi, Biomphalaria alexandrina, B. camerunensis and Bulinus truncatus (Gastropoda: Planorbidae).

Published online: 19 Apr 1988

Authors: Madsen, H.

Content type: Journal article

Journal title: Journal of Applied Ecology

In order to evaluate the potential of H. duryi to establish populations in schistosomiasis endemic areas, the response of H. duryi to calcium concentr...

A comparative study on the food-locating ability of Helisoma duryi, Biomphalaria camerunensis and Bulinus truncatus (Pulmonata: Planorbidae).

Published online: 06 Mar 1993

Authors: Madsen, H.

Content type: Journal article

Journal title: Journal of Applied Ecology

Helisoma duryi has been suggested as a biological control agent against the snail intermediate hosts of schistosomes, Biomphalaria and Bulinus species...

Assessing the value of monitoring to biological inference and expected management performance for a European goose population.

Published online: 17 Jul 2023

Authors: Johnson, F. A. & Madsen, J. & Clausen, K. K. & Frederiksen, M. & Jensen, G. H.

Content type: Journal article

Journal title: Journal of Applied Ecology

Informed conservation and management of wildlife require sufficient monitoring to understand population dynamics and to direct conservation actions. B...

Sources of variation in estimating breeding success of migratory birds from autumn counts.

Published online: 16 May 2023

Authors: Jensen, G. H. & Johnson, F. A. & Madsen, J.

Content type: Journal article

Journal title: Ecological Solutions and Evidence

Understanding drivers of change in population sizes requires estimation of demographic rates such as survival and productivity. In migratory geese, pr...

Reducing wounding of game by shotgun hunting: effects of a Danish action plan on pink-footed geese.

Published online: 18 Jul 2007

Authors: Noer, H. & Madsen, J. & Hartmann, P.

Content type: Journal article

Journal title: Journal of Applied Ecology

Shooting of game by shotgun inevitably leads to wounding of some individuals. Few attempts, however, have been made to quantify the numbers involved. ...

Simulated field trials to evaluate the effect of Sargochromis codringtoni and Tilapia rendalli on snails in the presence and absence of aquatic plants.

Published online: 31 Oct 1997

Authors: Chimbari, M. J. & Madsen, H. & Ndamba, J.

Content type: Journal article

Journal title: Journal of Applied Ecology

Two cichlid fish were studied under semi-natural conditions to evaluate their potential as agents for the biological control of schistosome intermedia...

Distribution of freshwater snails in irrigation schemes in the Sudan.

Published online: 02 Jun 1990

Authors: Madsen, H. & Daffalla, A. A. & Karoum, K. O. & Frandsen, F.

Content type: Journal article

Journal title: Journal of Applied Ecology

The distribution of aquatic macrophytes and of molluscan intermediate hosts of schistosomes in the following irrigation systems in the Sudan: the Gezi...