Classification of Forest Management Approaches: A New Conceptual Framework and Its Applicability to European Forestry Philipp S. Duncker 1, Susana M. Barreiro 2, Geerten M. Hengeveld 3, Torgny Lind 4, William L. Mason 5, Slawomir Ambrozy 6 and Heinrich Spiecker 1|http://www.ecologyandsociety.org/vol17/iss4/art51/
