Conceptid (2) | Preflabel |
---|---|
ZBN00575 | Abundance of Gammarus pulex (ITIS: 206451: WoRMS 234074) per unit area of the bed by sieving and picking under an optical microscope |
ZBVV0575 | Ash-free dry weight biomass of Gammarus pulex (ITIS: 206451: WoRMS 234074) per unit area of the bed by identification by optical microscopy and gravimetric determination of loss on ignition |