Impact of the 2009 extreme water level variation on phytoplankton community structure in lower amazon floodplain lakes - Casali, Simone; Calijuri, Maria do Carmo; Barbarisi, Bernard; Renó, Vivian Fróes; Affonso, Adriana Gomes; Barbosa, Cláudio; Silva, Thiago Sanna Freire; Novo, Evlyn Márcia Leão de Moraes (Acta Limnologica Brasiliensia, 2011)