Christian Körner's Alpine Plant Life: Functional Plant Ecology of High Mountain PDF

By Christian Körner

ISBN-10: 3540654380

ISBN-13: 9783540654384

ISBN-10: 364298018X

ISBN-13: 9783642980183

Generations of plant scientists were desirous about alpine flowers - with the publicity of organisms to dramatic climatic gradients over a truly brief distance. This entire textual content treats quite a lot of subject matters: alpine weather and soils, plant distribution and the treeline phenomenon, physiological ecology of water-, dietary- and carbon relatives of alpine vegetation, plant pressure and plant improvement, biomass creation, and facets of human affects on alpine crops. Geographically the e-book covers all elements of the area together with the tropics.

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

Sample text

12 helps demonstrate this phenomenon for a 3300 m altitude difference in the tropics. 5 K (mostly + 1 K) at low altitude to + l3 K (mostly + 10K) at high altitude. The midday vapor pressure deficit (vpd) at low altitude ranges from 20 to 25 hPa and never exceeds 1 hPa at the high altitude site. At low altitude, the actual leaf to air vapor pressure gradient is similar to vpd because there is no significant leaf to air temperature difference for most of the time. At high altitude canopy temperatures of 15-17°C versus air temperatures of 5-7°C, in almost saturated air, represent a vapor pressure gradient of ca.

6 illustrate the effect of canopy structure on plant climate. The prostrate dwarf shrub, despite its greater wind exposure, had the highest leaf temperatures under otherwise similar atmospheric temperatures. The favorable thermal climate of small or prostrate B Primula minima 2200 m A Sempervivum montanum 2200 m Tair sure (and its stature) create thermal conditions that may otherwise be found at 4000 m elevation. Meters of altitude have limited ecological meaning once steep slopes, solar radiation and wind are interacting on low stature alpine vegetation.

Thus, it depends on the situation as to how much the pressure reduction will actually stimulate evaporation or other gas fluxes. e. the reduction) of atmospheric temperature with altitude varies between annual means of ca. 8 K per 100 m of altitude in coastal areas or on island mountains and ca. 4K per 100m in more continental areas, but extremes of close to 1 and zero, and even negative lapse rates under conditions of winterly temperature inversions in valleys are found during certain periods of the year.

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


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