Conceptid (2) | Preflabel |
---|---|
ZBN00713 | Abundance of Hydrobiidae (ITIS: 70493: WoRMS 120) per unit area of the bed by sieving and picking under an optical microscope |
ZBVV0713 | Ash-free dry weight biomass of Hydrobiidae (ITIS: 70493: WoRMS 120) per unit area of the bed by identification by optical microscopy and gravimetric determination of loss on ignition |