Domysheva Valentina M. RussiaIrkutskLimnological Institute of Siberian Branch of the Russian Academy of Sciences, 3 Ulan-Batorskaya Str., Irkutsk 664033, Russiahydrochem@lin.irk.ru Author's articles Bacterioneuston Abundance and Physicochemical Properties of the Surface Microlayer of Lake Baikal