Data for: Land-use history as a major driver for long-term forest dynamics during the last millennia in the Sierra de Guadarrama National Park (central Spain) and implications for forest conservation and management

Fine resolution palaeoecological data (pollen, microscopic charcoal, fern spores, dung fungal spores) from three sites located in the Guadarrama Mountains (Iberian Central Range, Spain), spanning approximately the last two millennia.