Conceptid (2) | Preflabel |
---|---|
AHBDM371 | Ash-free dry weight biomass of Sphaerium rivicola per unit area of the bed by identification by optical microscopy and gravimetric determination of loss on ignition |
ZBN01471 | Abundance of Sphaerium rivicola per unit area of the bed by sieving and picking under an optical microscope |