Bobbink R, Hicks K, Galloway J, Spranger T, Alkemade R, Ashmore M, Bustamante M, Cinderby S, Davidson E, Dentener F, et al. Global assessment of nitrogen deposition effects on terrestrial plant diversity: a synthesis. Ecological Applications. 2010  ;20(1):30-59.

Wiedermann MM, Nordin A, Gunnarsson U, Nilsson MB, Ericson L. Global change shifts vegetation and plant-parasite interactions in a boreal mire. Ecology. 2007  ;88:454-464.