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We have studied 15 species of ligneous plants angyosperms, spontaneous and cultivated ones – in areas adjacent to industrial platforms: Borzeşti (Bacău county), Bicaz and Taşca (Neamţ county) - Romania; in the first case, the noxious substances are mainly gaseous (sulphur dioxide, chlorine, ammoniac), but also solid (carbon black, soot); in the other two cases, the noxious substances are mainly solid ones (lime or cement powders prone to sedimentation). Our investigations have focused on observations concern...

We took into consideration aspects regarding the physiology at two species of wooden angiosperms cultivated in sites from industrial area of Borzesti, Bacau District: Populus tremula L. and Tilia tomentosa Moench., during their ontogenetic cycle. We also talked about aspects related to some special biochemical and physiological parameters (dry matter content and assimilating pigments content). The researches of vegetal physiology have used classical methods of investigation. The negative influence of air pollutant...