The European forestry is highly developed and intensive, for the natural resources are limited. The forests are under constant control. Every stand of timber is constantly treated and influenced in composition, structure and growth by the interfering forestry according to the economical aims. The lack of resources and the development of a highly qualified production system make forestry an efficient business enterprise. The Americans are always impressed by the cleanness of these forests.
"A German Forester in America,"
Ames Forester: Vol. 26
, Article 11.
Available at: https://lib.dr.iastate.edu/amesforester/vol26/iss1/11