Conceptid (2) | Preflabel |
---|---|
ZBN01308 | Abundance of Potamopyrgus (ITIS: 205005: WoRMS 147122) per unit area of the bed by sieving and picking under an optical microscope |
ZBVV1308 | Ash-free dry weight biomass of Potamopyrgus (ITIS: 205005: WoRMS 147122) per unit area of the bed by identification by optical microscopy and gravimetric determination of loss on ignition |