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Article
K. M. Lindstrom, Auteur ; I. T. van der Veen, Auteur ; B. A. Legault, Auteur ; J. O. Lundstrom, AuteurThe fitness effects of parasites on their hosts are often unknown. For most avian viruses, no records of clinical disease have been associated with infections. In this study we tested if birds would alter their behaviour during an infection with[...]
Article
I. T. van der Veen, Auteur ; H. P. van der Jeugd, Auteur ; M. J. J. E. Loonen, AuteurDans Wildfowl (50 1999)The effect of rain on growth rates of individually marked shoots of a preferred food plant, Festuca rubra, was studied in a temperate Barnacle Goose brood rearing area during three consecutive years. We found that grass growth declined to zero w[...]
