Unbalanced species losses and gains lead to non-linear trajectories as grasslands become forests

Datasets for the article "Unbalanced species losses and gains lead to non-linear trajectories as grasslands become forests" in Journal of Vegetation Science. Plot data contains information on grassland sites in the archipelago, including how long they have been abandoned for and the surrounding landscape composition. Species occurrence matrix contains data on the plant communities found in vegetation sampling plots at respective sites.