Abstract
Abstract Despite visual similarities between marshes and moderate-rich fens in the southern part of the western boreal forest of Canada, there are ecological and functional differences between the two wetland classes. Western boreal marshes have received little attention and are often difficult to distinguish from moderate-rich fens in appearance, especially when both are located at the edges of ponds and small lakes. We examined species assemblages, net above-ground production, decomposition, nutrient cycling, and environmental characteristics in five wetlands, all with approximately 1 m of peat. Based on TWINSPAN and DCCA, both wetland classes contain Carex aquatilis, but marshes were characterized by Carex utriculata, Carex atherodes, Lemna minor, Typha latifolia, and no mosses. Fens were characterized by Carex lasiocarpa and various species of brown mosses, and overall, they were more variable in species composition. There were also functional differences between the classes, with net above-ground pro...
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