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Forest Development in Cold Climates

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Proceedings of a NATO ARW held in Laugarvatn, Iceland, June 18-23, 1991As forests decline in temperate and tropical climates, high... Weiterlesen
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Proceedings of a NATO ARW held in Laugarvatn, Iceland, June 18-23, 1991

As forests decline in temperate and tropical climates, highly-developed countries and those striving for greater economic and social benefits are beginning to utilize marginal forests of high-latitude and mountainous regions for resources to satisfy human needs. The benefits of marginal forests range from purely aesthetic to providing resources for producing many goods and services demanded by a growing world population. Increased demands for forest resources and amenities and recent warming of high latitude climates have generated interest in reforestation and afforestation of marginal habitats in cold regions. Afforestation of treeless landscapes improves the environment for human habitation and provides for land use and economic prosperity. Trees are frequently planted in cold climates to rehabilitate denuded sites, for the amenity of homes and villages, and for wind shelter, recreation, agroforestry, and industrial uses. In addition, forests in cold climates reduce the albedo of the earth's surface in winter, and in summer they are small but significant long-lived sinks for atmospheric carbon dioxide. Finally, growth and reproductive success of forests at their geographic limits are sensitive indices of climatic change. As efforts to adapt forests to cold climates increase, however, new afforestation problems arise and old ones intensify. Austral, northern, and altitudinal tree limits are determined by many different factors. Current hypotheses for high-latitude tree limits are based on low growing-season temperatures that inhibit plant development and reproduction.

Proceedings of a NATO ARW held in Laugarvatn, Iceland, June 18-23, 1991

Biochemical and Physiological Requirements of Trees for Forest Development Beyond Tree Limits: Molecular Bases for Adaptation of Coniferous Trees to Cold Climates; D.J. Durzan. Growth of Mountain Birch in Response to Changing Temperature; O. Skre. Environmental Limitations of Forest Development At and Beyond Tree Limits: Causes of Alpine Timberline; P. Wardle. Physiology of Trees at Treeline; J. Grace, J. James. Potential Tree Species and Provenances for Forest Development in Cold Climates: Genetic Diversity of Tree Populations at their Arctic Limits; P.M.A. Tigerstedt. Species and Provenance Choice at Northern Tree Limits in Maritime Climates; R. Lines. Provenane Selection, Testing, and Breeding to Accelerate Adaptation and Growth of Trees and Shrubs: Accelerating Adaptation of Trees at Tree Limits by Selective Breeding; D. Lindgren. Case Histories of Forest Development Beyond Tree Limits: History of Tree Planting on the Aleutian Islands; D. Bruce. 29 additional articles. Index.


Titel: Forest Development in Cold Climates
EAN: 9780306444807
ISBN: 0306444801
Format: Fester Einband
Herausgeber: Springer US
Anzahl Seiten: 580
Gewicht: 1027g
Größe: H241mm x B160mm x T35mm
Jahr: 1993
Auflage: 1993

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