A friend just sent me this excerpt i found really interesting,for those who are into how the landscape changes when left alone, how quickly afforestation and succession can take place.the forest in Slovenia has provided the biggest change in the period post WW2, not very long ago in ecological terms. might get the book
http://www.aeonmagazine.com/nature-and-cosmos/george-monbiot-rewilding/
http://www.aeonmagazine.com/nature-and-cosmos/george-monbiot-rewilding/