Limnology and Oceanography, Vol. 54, No. 4 (Jul., 2009), pp. 1403-1411 (9 pages) This study investigated the bulk nitrogen isotopic composition and fractionation of marine and freshwater cyanobacteria ...

In summer, it is increasingly dominated by mass developments of filamentous cyanobacteria ... where blue-green algae blooms do not occur. He used nitrogen-stable isotope analysis in amino acids ...

nitrogen and mercury from urban and agricultural sprawl. The lake in particular has been besieged by nutrient pollution for decades, causing unprecedented blooms of blue-green algae. Also known as ...

537-547 (11 pages) Latitudinal distribution of diazotrophs and their nitrogen ... N₂ fixation was primarily ascribed to < 10-µm diazotrophs during both seasons. Flow cytometry conducted in summer ...