Suplement CXXXVIII
MASTYŃSKI J., 1984. Fish biomass of drained small reservoirs. Polskie Archiwum Hydrobiologii, 31: 69–76 5. SUMMARY Fish biomass, as the so-called fish capacity, is expressed only by this part of the total fish population that is old enough to be caught. The data are expressed in kilograms per hectare and per year. The actual fish… czytaj dalej »