the stewardship and use of forests and forest land in a way, and at a rate, that maintains their biodiversity, productivity, regeneration capacity, vitality and this potential to fulfil, now and in the future, relevant ecological, economic and social functions, at local, national and global levels and that does not cause damage to other ecosystems, particularly, that branch of forestry concerned (...) with the over-all administrative, economic, legal and social aspects, and (...) with the essentially scientific and technical aspects, especially silviculture, protection and forest regulation, metsa uuendamine, kasvatamine ja kasutamine ning metsakaitse