Cisy pospolite (Taxus baccata L.) w Nadleśnictwie Wipsowo, w obrębie Purda Leśna

The subject of this paper is a stand of yew trees growing in Purda Leśna forest range (Wipsowo Forest District, Warmińsko-Mazurskie Voivodeship), localized near the eastern border of the species’ range. In total 25 individuals of T. baccata from this locality were first described, measured and mapped in 1958. After over 50 years, 19 remaining trees were measured and described again, which gave the opportunity to investigate the growth dynamic and changes in health and condition of the yew trees. This paper compares the results of both measurements and observations. The research was done at the end of August 2010 during a student scientific camp organised by the Institute of Forest Sciences, Łódź University.