1Present Address: Centre for Biotechnology, Visva-Bharati, Santiniketan-731 235, West Bengal, E-mail: adhikary2k@hotmail.com
2Department of Botany, Faculty of Natural Sciences, Comenius University in Bratislava, Revova 39, SK-811 02, Bratislava, Slovakia
The cyanobacteria and micro-algal taxa occurring in the biofilms on the stone surface of St. Martin's Cathedral and Kozia brána cemetery in Bratislava, Slovakia and on similar substratum of the temples in Bhubaneswar, India was compared. Totally 85 algal taxa were recorded in these two geographically widely different regions of the globe. The belong to 45 species of cyanobacteria, 27 species of chlorophytes, 10 species of heterokontophytes and one species under Rhodophyta. Of the 45 species of Cyanobacteria 13 were from Bratislava and 35 from Bhubaneswar; only three species of Cyanobacteria were common at both these locations. Of the total 27 species of Chlorophyta 20 were from Bratislava and 7 from Bhubaneswar and were region specific. All the 10 species under Heterokontophyta and one species of Rhodophyta were recorded from Bratislava; none of these group occur on the stone surface of temples in Bhubaneswar.
Biofilm, exterior of stones, monuments, Bratislava, Slovakia, Bhubaneswar, India, cyanobacteria, micro-algae
