A list of 32 threatened species was compiled on the basis of field investigations conducted during 1980-1989 in the Kraków province. Stability of particular species presence was considered together with the literature ...

Seventeen years of phytosociological observations (1977-1993) of cereal cultures in the same complex of fields in the Miechów Upland were used for this study. The region is characterised by the most intensive agriculture ...