"EcoLexicon:hypolimnion"^^ . _:b1217602 . _:b1217602 . "hypolimnion"^^ . _:b1217601 . . _:b1217602 . . _:b1217601 . _:b1217602 . "The dense, bottom layer of water in a thermally-stratified lake. It is the layer that lies below the thermocline."^^ . "ENVO:00002130"^^ . "Wikipedia:Hypolimnion"^^ . "ENVO"^^ . _:b1217601 . _:b1217601 .