The Italian Society of Silviculture and Forest Ecology (Società Italiana di Selvicoltura ed Ecologia Forestale, or SISEF), established in 1995, is a non-profit cultural association promoting the diffusion of scientific forest culture in Italy, and all over the world. The mission of SISEF is to promote researches on: structure, functionality and sustainable management of forest ecosystems forest habitat, forest biodiversity and genetics dendro-ecology, silviculture, wood production and technology, forest harvesting landscape, forest ecosystem services SISEF aims also to promote Coordination, strengthening and networking of forest research Forest education SISEF supports communication among its members interested in studying forest science and forestry issues, covering all aspects of an interdisciplinary science, including biology, ecology, silviculture, wood production, climate change, environmental and socio-economy aspects. SISEF is accredited by ANVUR, the Italian National Agency for the evaluation of Universities and Research Institutes; and is a member of AISSA, the Italian Association of Scientific Agriculture Societies. SISEF's headquarters is in Viterbo, Italy, at the Department for Innovation in Biological, Agro-Food and Forest Systems, of Tuscia University. All the Italian and foreign researchers interested in the activities carried out by the Society can be members of SISEF. The SISEF members elect every two years five members of the Board, one Secretary and one President. Three auditor board members are also elected for supervising the SISEF budgeting. An annual fee is due by the SISEF members. Currently, SISEF has about 260 members. SISEF coordinates research groups related to specific forest issues SISEF organizes a National Congress every two years, in order to create an opportunity for interaction and exchange between researchers and stakeholders. 11° SISEF National Congress - "La foresta che cambia.