Information of phytoplankton flora polluted river ecosystems Bangladesh are scanty. The present study was undertaken to explore the at Dakshin Rupshi Station Shitalakhsya, Narayanganj, Dhaka. carried out from May 2017 March 2018 by collecting pelagic plankton samples bimonthly. A total 53 species under 36 genera were identified, which 51 have been illustrated through photomicrographic images an...

Algae are simple photosynthetic eukaryotes which—owing to their colonization of the oceans—are responsible for up to 50% of the planet’s atmospheric carbon fixation (22). They comprise a diverse group that can broadly be defined as unicellular (microalgae) or multicellular (macroalgae) photosynthetic organisms that lack roots, stems, leaves, conducting vessels, and complex sex organs (55). A si...

Twelve stream segments were sampled four times in 1998-1999 (one sampling per season) in the drainage basin of the upper São Francisco River (19 masculine 45'-21 masculine 25'S, 49 masculine 05'-51 masculine 30'W), situated in Serra da Canastra National Park, at altitudes ranging from 1,175 to 1,400 m. The macroalgae survey resulted in 30 species, with a predominance of Cyanophyta (12 species =...