Domination of growing-season evapotranspiration over runoff makes ditch network maintenance in mature peatland forests questionable.

Sarkkola, S.; Nieminen, M.; Koivusalo, H.; Laurén, A.; Ahti, E.; Launiainen, S.; Nikinmaa, E.; Marttila, H.; Laine, J.; Hökkä, H. (2013)