D Wołkowycki - Monographiae Botanicae, 2000 - search.proquest.com
North Podlasie settlements have a character of environmental islands forming nodes of a
network with varied strength of interactions. The expansion of alien species within settlement
network is a function of time, isolation and size of the settlements; therefore, the differences
in floras of the settlements are also dependent on their size and isolation. The above
assumptions were tested on the basis of floristic data from 36 settlements of different size.
The actual proportion of species representing various historical, geographical and …