The influence of water-table depth and pH on the spatial distribution of diatom species in peatlands of the Boreal Shield and Hudson Plains, Canada. - Hargan, Kathryn E.; Rühland, Kathleen M.; Paterson, Andrew M.; Finkelstein, Sarah A.; Holmquist, James R.; MacDonald, Glen M.; Keller, Wendel; Smol, John P. (Botany, 2015)