The data has been collected in spruce forests in mountainous areas of Germany: Fichtelgebirge and Böhmerwald in Bavaria, Erzgebirge in Saxonia. The studied characteristics of the stand were: growth of the trees in height and diameter, and the ground vegetation. The stands were classified according Cajander’s forest site classification. The article presents the most common plants and other characteristics of every forest site type and studied stands. The relation of the height of the trees and their age is represented in diagrams for every forest type.
The presence of indicator plants is somewhat dependent on the stand age and crown coverage. The amount of species is lowest when the crown coverage is at the greatest.
As conclusion of the study it can be seen that the growth of the stand differentiates clearly depending on the forest site type, being greater at the more nutritious sites. Since the differently growing stands need different management, it would be natural to direct the management of the stand according the forest site type.