Conceptid (2) | Preflabel |
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ZBN00695 | Abundance of Hirudinidae (ITIS: 69407: WoRMS 160020) per unit area of the bed by sieving and picking under an optical microscope |
ZBVV0695 | Ash-free dry weight biomass of Hirudinidae (ITIS: 69407: WoRMS 160020) per unit area of the bed by identification by optical microscopy and gravimetric determination of loss on ignition |