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1 Polish Journal of Ecology

1 2000

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Usefulness of anti-parasite modifications of the nestbox's construction

Kędra A., Mazgajski T. D., Kruszewicz A.G., Modlińska E.

Polish Journal of Ecology

2000

Vol. 48, nr 3

249-253

Two modifications of nestbox construction, supposed to suppress the development of fleas, have been tested in Kampinoski National Park (Central Poland). As fleas larvae depend on the quality of nest material and nest microclimate, we changed nestbox's design in such a way that microclimate shift becomes inevitable. First modification - five holes bored in the nestbox's bottom - turned out to be unsatisfactory. It did not protect nests from massive invasions of fleas, and furthermore diminished occupation of nestboxes by birds. Second modification - nestbox's bottom made of wire-netting - proved itself useful. Fleas were completely absent in Ficedula hypoleuca nests built in those nestboxes, while in Parus major nests their number was reduced. Occupation rate of such modified nestboxes was corresponding to this of traditional ones. Similarily modified nestboxes should be used in forest management practices.