| Abstract: | Summary With random-sample (303 test areas) the forest in the Upper Bavarian Alps has been analysed. In this case we have to realize
the influence of the run-off of ordinary rainfall which has to be seen at first.
We have to realize 4 categories which are grouped by the degree of tree-top-tightness of the forests which have to be analysed.
40% of the complete forest area can be seen under the 3rd and 4th category what means that a soil-covering-degree of less
than 0.6 takes an area of about 70 000 ha.
The result of a trendextrapolation is that the timber-line in the Bavarian Alps will be lowered from 1700 to 1400 meters in
about 120 years from the date. A reason for this decrease in the timber-line can be seen in the type of forest cultivation.
It should be taken into consideration the facts like cattle-grazing, very high amount of deers and the preference which is
given to the fir-tree. Also there is a very high positive correlation between forest-area of the 3rd and 4th category and
the appearance of soil-erosion.
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