Cyanobacteria and diatom (IMAGE)
Caption
Micrograph of phytoplankton from Landsort Deep, BY31, the long term monitoring site of the Baltic Sea where samples were taken for the reported study. In the upper left corner is a large diatom, Chaetoceros danicus, distinguished by its long spines protruding from the cell, a few large colonies and aggregates of picocyanobacteria lie in the background, and in the bottom middle are two pigmented and compacted colonies of the cyanobacteria Woronichina next to two filaments of the N2-fixing cyanobacteria Aphanizomenon. Image courtesy of co-author Helena Höglander, researcher at DEEP-MEL (Marine Ecological Laboratory).)
Credit
Helena Höglander
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