Taïga occidentale

« Natural old forests as well as those young forest stages naturally developing after fire. Natural old forests represent climax or late succession stages with slight human impact or without any human impact. Present natural old forests are only minor remnants of those originally occurring in Fennoscandia. With intensive forestry, which is carried out practically throughout this region, the main features of natural old forests disappear, i.e. the considerable amount of dead and rotten wood, the great variation in tree age and length and species composition, the trees from previous generations, the more stable microclimate. Old natural forests are habitatsType de milieu décrit par une typologie officielle (EUNIS, HABREF), par exemple « Chênaies acidiphiles ». Glossaire › of many threatened species, especially bryophytes, lichens, fungi, and invertebrates (mostly beetles). Some of the present old natural forests have human impact, but in spite of that they maintain many characteristics of the natural forests. »

Description de la typologie Habitats d’intérêt communautaire (HIC), via HABREF v7 (INPN).