Download Alpine Plant Life: Functional Plant Ecology of High Mountain by Christian Körner PDF

By Christian Körner

Generations of plant scientists were excited about alpine flora - with the publicity of organisms to dramatic climatic gradients over a really brief distance. This complete textual content treats a variety of themes: alpine weather and soils, plant distribution and the treeline phenomenon, physiological ecology of water-, dietary- and carbon relatives of alpine vegetation, plant rigidity and plant improvement, biomass creation, and elements of human affects on alpine crops. Geographically the ebook covers all components of the area together with the tropics.

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Extra info for Alpine Plant Life: Functional Plant Ecology of High Mountain Ecosystems

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Temperatures regularly deviated from the air temperature by 15K. 5 K 39 40 4 The climate plants experience 35 0- ~ 0) .... ::J ....... • • • • Erect plant ... ~ {:}. 6 1:'~ 6 • 20 • 0- E 15 0) ••• ....... 6 ~66 ~ c ~ a.. 10 Central Alps 2300 m 25 5 0 0 5 10 15 20 25 - 20 () ~ Air temperature (OC) Fig. 9. Plant temperature as modified by plant life form at 3800 m altitude in the Rocky Mountains of Colorado. 5°C at an air temperature of 21°C). He suggested in accordance with Dahl (1951) that such prostrate plants are unable to survive at lower altitudes, because of these pronounced decoupling effects from atmospheric temperature conditions.

60K per 100m. The altitudinal lapse rate of temperature commonly from less "ventilated" high valleys also undergoes substantial diurnal fluctuations (Lauscher 1966). Finally, and particularly relevant because the diurnal amplitude of air temperature to plant biology, the periods considered for averat low altitude is greater than at high altitude aging exert a great influence on such comparisons. (Lauscher 1966, Barry 1981, Fig. 3). However, While mean monthly amplitudes for the free diurnal amplitudes in air temperature in tropical atmosphere in temperate zone mountains are mountains are not always much greater than in the around 5K at 3000m throughout the year (Lautemperate zone, as is often stated ("winter and scher 1966), amplitudes under mid-growing summer every day"; Fig.

In herbaceous plants it makes a big difference whether leaves have petioles or are sessile, the latter warming up more (Fig. 7). One of the most characteristic growth forms in alpine areas, compact cushion plants, are known as particularly efficient heat-traps. 9 Fig. 8. Maximum temperatures on clear days of fully sunlit leaves in coexisting plants of contrasting life form or soil surfaces in the Australian Snowy Mountains. Perisher, 2040 m) and low altitude (Lake Jinderbyne, 940 m) are presented.

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