Consultez les articles du Bulletin Aves !
Aves, 30/2 | 1993 | 95-103
Density and distribution of Dippers (Cinclus cinclus) in the basin of the Belgian High Meuse.
Vangeluwe, D., Bulteau, V., Dineur, H. & Rifflet, M.
The population of Dippers along rivers Samson, Bocq, Crupet, Burnot, Molignée, Flavion and Fond de Leffe was counted in the course of spring 1991 and 1992. On the prospected 77.5 km river network, 56 pairs were localised, giving a average value of 7.2 pairs per 10 km section. This result is relatively high compared with litterature data's. Density can vary according to the river : from 4.9 to 13 territories per 10 km section. This variation is influenced by environment (water quality, habitat physionomy) of the different rivers. In the study area, chemical pollution risks and habitat degradation (public works and stream management in private lands) represent major threats to river ecosystem preservation.
Articles published in the same bulletin
Research on natural cavities favourable to the Tengmalm's Owl (Aegolius funereus) in High Ardenne.
Sorbi, S. & Hupperetz, J.
Mapping and Capture-Recapture. Method comparison.
Vasteenwegen, C., Leruth, Y., Deceuninck, B., Gijs, F., De Wolf, P. & Nef, B.
Jacob, J.-P., Daulne, J.-M. & Rabosee, D.
Long-time observation of two Nutcrackers (Nucifraga caryocatactes) in the Meuse valley
A nest of Nutcrackers (Nucifraga caryocatactes), coming from the Aples, dated from last century.
Nesting of the Great Crested Grebe (Podiceps cristatuts) in the overflown quarries of Tournaisis in 1991-1992.