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Article
K. Weidinger, Auteur ; P. Nadvornik, Auteur ; R. Kocvara, Auteur
Article
K. Weidinger, AuteurDans Ardea (88(2) 2000)The breeding density of Blackcap was about four times higher in deciduous (D) riparian linear vegetation than in mixed (M) coniferous woodlots in the farmland of Eastern Bohemia, Czech Republic, over two years. Laying started and peaked about tw[...]
Article
S. Bures, Auteur ; K. Weidinger, AuteurHow birds respond to the recent phenomenon of calcium deficiency in acidified areas is still poorly known. This study, carried out in the Jeseniky Mountains (heavily polluted, acidified area in the Czech Republic), in alpine ecosystems of centra[...]
Article
S. Bures, Auteur ; K. Weidinger, AuteurCalcium availability might Limit reproductive output in birds either by effects on eggshell formation or on skeletal growth of nestlings. Quantitative data on calcium intake by nestlings of free-living passerines are needed to test the second hy[...]
Article
K. Weidinger, AuteurLarge nests may incur Fitness cost in terms of conspicuousness to predators, but the effect of nest size on predation risk can be confounded by effects of nest site and parental characteristics. I examined relative effects of nest size and place[...]
