Boreal Forests—The Focal Habitats of Fennoscandia

摘要: This chapter deals with the question of maintaining biological diversity in boreal forests Fennoscandia, i.e. Scandinavian Peninsula and Finland. The coniferous forest, or taiga, is dominant biome, a latitudinal extension from 56°N to 69°N (Fig. 7.1). total area Fennoscandian forest amounts more than 50 million ha, which 13% occurs Norway, 40% Finland 47% Sweden (Nordic Statistical Secretariat, 1990). Man has utilized for various purposes, during very long period time (Tenow, 1974). However, most intense utilization occurred last 300 years connection development industry. At present, forestry amongst mechanized efficient world. result that almost all land now used production saw-timber wood pulp. tremendous impact on structure function ecosystem. Cutting old-growth other consequences have destructive large number organisms, despite fact some species are favoured by management. decreasing populations many hundreds plants animals, as reflected recent Red Data lists (Andersson et al., 1987; Ahlen & Tjernberg, 1988; Databanken hotarer och Naturvardsverket, 1991).