Gremyachikh V. A. RussiaBorokPapanin Institute for Biology of Inland Waters, Russian Academy of Science, Borok, Nekouzsky District, Yaroslavl Oblast 152742, Russiagrva@ibiw.yaroslavl.ru Author's articles MERCURY CONTENT AND ANTIOXIDANT SYSTEM IN INSECTIVOROUS (INSECTIVORA, MAMMALIA) AND RODENTS (RODENTIA, MAMMALIA) OF VARIOUS ECOGENESIS