In this book management priciples are summarized that sould be valid in areas where forests are continously used for production, where biodiversity aspects are important as well as economy and productivity, and where demands on soil status and water quality are set. Especially the very long-term aspects are emphasized, and it is shown how system model thining is used to reach the goals. Biogeochemical aspects are put forward as they are very important in areas on poor bedrock with acid soils. Forest vitality and stress on trees are treated, as well as the importance of wildlife and the effects of their browsing. The balance between social and recreational demands from the society and the economical needs of the landowner is of great concern. Experiences from a special area in South Sweden are presented.