Abstract Our study investigated the possibility of using red mason bee Osmia bicornis as a pollinator forest seed orchards frequently grown European trees: insect - pollinated Tilia cordata and Prunus avium . Moreover, we checked whether presence O. has an impact on pollination results Quercus petraea , which is wind pollinated. Data were collected from 8 in western Poland between 2018 2020. We...

Wood colour metrics are increasingly being used in wood technology and ecology studies. Researchers usually determine the colours of after treatment or different habitats. There is very little research dedicated to problem variations among one specific species harvested forests regions. The main purpose current reveal estimate variability oak species. For this study, a total 89 samples were tak...