Sphagnum cover in undrained, drained and rewetted boreal spruce swamp forests

Sphagnum cover results from a vegetation survey conducted in 2009 (sphagcover_veg). Estimated Sphagnum cover of the growth measurement patches in 2011-2012 (sphagcover_patch). Vegetation survey results first published in: Maanavilja, L., Aapala, K., Haapalehto, T., Kotiaho, J.S. & Tuittila, E. (2014) Impact of drainage and hydrological restoration on vegetation structure in boreal spruce swamp forests. Forest Ecology and Management, 330, 115-125.