"Abundance of Helicosphaera carteri (ITIS: 2261: WoRMS 615435) per unit volume of the water body by identification and counting by scanning electron microscopy (SEM)"@en .
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"SDN:P01::AHE02746" .
"Counts of a given biological entity using scanning electron microscopy normalised to a specified volume of fresh or salt water"@en .
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