Abundance and size structure of invasive Brown bullhead, Ameiurus nebulosus (Lesueur, 1819), in a mesotrophic lake (north-eastern Poland).

Kalinowska, K., Ulikowski, D., Traczuk, P., (2022). BioInvasions Records 11(1), 267-277. Regional Euro-Asian Biological Invasions Centre (REABIC), Helsinki, Finland. English language

Use of frozen zooplankton in the intense rearing of European catfish (Silurus glanis L.) larvae.

Ulikowski, D., Borkowska, I., Chybowski, Ł., (1998). Archiwum Rybactwa Polskiego 6(1), 97-106. English language