| 书目名称 | Physiological Ecology of the Alpine Timberline | | 副标题 | Tree Existence at Hi | | 编辑 | Walter Tranquillini | | 视频video | | | 丛书名称 | Ecological Studies | | 图书封面 |  | | 描述 | 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 t | | 出版日期 | Book 1979 | | 关键词 | Alpen /Biologie; Forstökologie; Nadelhölzer; Waldgrenze; biology; development; ecology; environment; erosion | | 版次 | 1 | | doi | https://doi.org/10.1007/978-3-642-67107-4 | | isbn_softcover | 978-3-642-67109-8 | | isbn_ebook | 978-3-642-67107-4Series ISSN 0070-8356 Series E-ISSN 2196-971X | | issn_series | 0070-8356 | | copyright | Springer-Verlag Berlin · Heidelberg 1979 |
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发表于 2025-3-21 17:38:48
