
Figure 1
Diatom species of Cocconeis sp. and Planothidium sp. on a sand grain

Figure 2
Example of selecting suitable and unsuitable sites for sampling of diatom phytobenthos in a lowland river
Map source: Google
© 2018 Ewelina Szczepocka, Joanna Żelazna-Wieczorek, published by University of Gdańsk
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