- Data from: Water as a resource, stress and disturbance shaping tundra vegetation(2019-01-16) Kemppinen, Julia; Niittynen, Pekka; Aalto, Juha; le Roux, Peter C.; Luoto, Miska; University of Helsinki - Kemppinen, Julia; University of Helsinki - Niittynen, Pekka; University of Helsinki - Aalto, Juha; University of Pretoria - le Roux, Peter C.; University of Helsinki - Luoto, Miska