Origin of mounds in the Pantanal wetlands: an integrated approach between geomorphology, pedogenesis, ecology and soil micromorphology - Oliveira Junior, Jairo C; Beirigo, Raphael Moreira; Chiapini, Mariane; Nascimento, Alexandre Ferreira do; Couto, Eduardo Guimarães; Vidal Torrado, Pablo (PLOS ONE, 2017)