Aves, p�le ornithologique de Natagora

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Aves, 28/1 | 1991 | 1-22

  The breeding bird community in a Brabant farmland and critical discussion of the mapping census method.
Luy, M.

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Article summary

The breeding bird community in a Brabant farmland has been recorded quantatively for the first time. In the course of 25 visits in 1986, 23 species occupying 179 territories were recorded in the plot covering 107 hectares composed of 100 hectares of arable land, three coppices and numerous hawthorne and elderberry hedgerows. The Grey Partridge and the Skylark are by far the dominant species in the arable land with 40 and 35 territories respectively; the Quail, the Little Ringed Plover, the Blue-headed Wagtail, the Meadow Pipit and the Corn Bunting occupy one to three territories only. In the hedgerows, Blackbird, Whitethroat, linnet, Dunnock and Marsh Warbler are abundant, whereas each of the 16 species breeding in the coppices is represented by just one or two territories per coppice. However, despite the fact that the coppices and hedges cover but three percent of the plot, their presence triples the total number of species and doubles the number of territories. As to the mapping method, the study shown that the most of the sources of errors can only be minimized by substantially increasing the number of visits and by adapting the census method as well as the data analysis to the biological characteristics of each species.

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