Literaturrecherche

Literatur Köhl M, San-Miguel-Ayanz J (2011) Criterion 2: Maintenance of forest ecosystem health and vitality. In: Michalak R (ed) State of Europe's forests 2011 : status & trends in sustainable forest management in Europe. Geneva: UNECE, pp 29-49

Literatur Köhl M, Bastup-Birk A, Marchetti M, Cimini D, Corona P, Jellesmark Thorsen B, Lassere B, Pettenella D, Saastamoinen O, Sondergaard Jensen F, Zingg A (2011) Criterion 3: maintenance and encouragement of productive functions of forests (wood and non-wood). In: Michalak R (ed) State of Europe's forests 2011 : status & trends in sustainable forest management in Europe. Geneva: UNECE, pp 51-63