This study was carried out between September 2020 and March 2021 to determine the selectivity of monofilament gillnets used in pearl mullet, Alburnus tarichi (Güldenstädt, 1814), fishing Lake Van. The SELECT method applied selectivity. best model for mullet determined as log-normal model. optimum catch lengths with 20, 22 24 mm mesh sizes were calculated 21.69 cm, 23.84 cm 26.01 respectively. C...

Abstract Fluvalinate and esfenvalerate are pyrethroid insecticides used to control insect pests. These pesticides can enter the aquatic environment in different ways after use, causing toxicity. Tarek is a fish of Cyprinidae family native Lake Van basin Turkey. This study was conducted determine acute toxicity fluvalinate adult tarek. In bioassays, tarek with an average length 20.6±1.2 cm weigh...

Today, fungicide toxicity is quite common in aquatic ecosystems, and this situation adversely affects marine organisms. For reason, it essential to determine the effects of fungicides on organisms try prevent from being exposed these toxic chemicals. In study, changes cholinergic system enzymes (malondialdehyde) MDA levels as a result exposure acute Van fish (Alburnus tarichi, Güldenstädt 1814)...