Tytuł pozycji:
Bilberry as an indicator of spruce forest state
Bibliografia na stronach 461-463
Bibliographical references (pages 461-463)
Pages 449-463 : illustrations ; 27 cm
Strony 449-463 : ilustracje ; 27 cm
In a series of sites from the top of Mumlawski Wierch downwards (Western part of Karkonosze Mts.), properties of bilberry population as well as concentrations of heavy metals in various parts of the plant have been analysed in order to assess the state of spruce forests. It has been found that in habitats where tree stands are declined, density of bilberry population drops rapidly, the plants are becoming stunted and produce fewer flowers and fruits. Among heavy metals analysed, lead was the only one, the concentration of which in the plants exceeded permissible level, especially in sites located in the lower montane zone.