机译:Comparison of fish size distribution and fish abundance estimates obtained with hydroacoustics and gill netting in the open water of a large shallow lake
机译:Population dynamics and life cycle of Pisidium amnicum (Müller) (Bivalvia : Sphaeriidae) and Valvata piscinalis (Müller) (Gastropoda : Prosobranchia) in the Sane river, a nine-year study