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Books > Science & Mathematics > Biology, life sciences > Life sciences: general issues > Ecological science, the Biosphere
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Physiological Ecology of the Alpine Timberline - Tree Existence at High Altitudes with Special Reference to the European Alps (Paperback, Softcover reprint of the original 1st ed. 1979)
Loot Price: R2,839
Discovery Miles 28 390
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Physiological Ecology of the Alpine Timberline - Tree Existence at High Altitudes with Special Reference to the European Alps (Paperback, Softcover reprint of the original 1st ed. 1979)
Series: Ecological Studies, 31
Expected to ship within 10 - 15 working days
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In the European Alps the importance of forests as protection
against ava lanches and soil erosion is becoming ever clearer with
the continuing increase in population and development of tourism.
The protective potential of the moun tain forests can currently
only be partially realised because a considerable propor tion of
high-altitude stands has been destroyed in historical times by
man's extensive clearing ofthe forests. The forests still remaining
are of limited effec tiveness, due to inadequate density of trees
and over-maturity. Considerable efforts, however, are now being
made in the Alps and other mountains of the globe to increase the
high-altitude forested area through reforestation, to raise
depressed timberlines, and to restore remaining protection forests
using suit able silvicultural methods to their full protective
value. This momentous task, if it is to be successful, must be
planned on a sound foundation. An important prerequisite is the
assembly of scientific facts con cerning the physical environment
in the protection forest zone of mountains, and the course of
various life processes of tree species occurring there. Since the
introduction of practical field techniques it has been possible to
investigate successfully the reaction of trees at various altitudes
to recorded factors, and the extent to which they are adapted to
the measured situations. Such ecophysio logical studies enable us
to recognize the site requirements for individual tree species, and
the reasons for the limits of their natural distribution.
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