Download Mountain Timberlines: Ecology, Patchiness, and Dynamics by Friedrich-Karl Holtmeier (auth.) PDF

By Friedrich-Karl Holtmeier (auth.)

Show description

Read or Download Mountain Timberlines: Ecology, Patchiness, and Dynamics PDF

Best dynamics books

Alluvial fans: geomorphology, sedimentology, dynamics

Alluvial fanatics are vital sedimentary environments. They seize sediment brought from mountain resource components, and exert a huge keep an eye on at the supply of sediment to downstream environments, to axial drainages and to sedimentary basins. they keep a delicate checklist of environmental switch in the mountain resource parts.

Soil Pollution: Processes and Dynamics

The soil is the medium by which toxins originating from human actions, either in agriculture and undefined, circulate from the land surfaces to groundwater. Polluting ingredients are topic to complicated actual, chemical and organic differences in the course of their stream in the course of the soil. Their displacement is dependent upon the shipping houses of the water-air-soil procedure and at the molecular houses of the pollution.

Topics in Symbolic Dynamics and Applications

This publication is dedicated to fresh advancements in symbolic dynamics, and it includes 8 chapters. the 1st are desirous about the research of symbolic sequences of "low complexity," the subsequent introduce "high complexity" platforms. bankruptcy 5 provides effects on asymptotic legislation for the random instances of incidence of infrequent occasions.

The dynamics of change in EU governance

This publication brings jointly the learn of other educational disciplines to discover the new transformation of governance within the ecu Union. The emergence, execution and evolution of recent modes of ecu governance throughout a number of coverage fields encompassing all 3 former pillars of the eu Union are mapped, analyzed and evaluated.

Additional resources for Mountain Timberlines: Ecology, Patchiness, and Dynamics

Example text

Kessler (1995) mentions even twenty speeies eomprising eight subspeeies (Kessler, 1995). Anyway, nowas ever the taxonomy is eontroversial (Seibert and Menhofer, 1991). Polylepis ranges, with some gaps, from the Venezuelan Andes to Cordoba in Argentina (Baumann, 1988). Some speeies form Physiognomie and Eeologieal Differentiation of Timberline 43 small stands above the closed mountain forest. Seibert and Menhofer (1991) speak even of a particular forest belt surrounded by andine grass and shrub vegetation.

In con- Mountain Timberlines 46 trast, timberline on Reunion, Juan Femandez Islands and on Madeira is formed by several tree species although one species usually prevails, as Philippia montana for instance on Reunion (Leuschner, 1996). From the elimatic-ecological aspect the timberline regions of southem South America and of the South Island of New Zealand may be compared to a certain extent and with great reservation to the elimatic upper timberlines in the northem hemisphere. Some authors consider the deciduous Chilean Nothofagus forests to be the equivalent of the subarctic, subalpine and submaritime birch forests of the northem hemisphere (Skottsberg, 1910, 1916; Kalela, 1941 a, 1941 b; Godley, 1960; Oberdorfer, 1960; Hämet-Ahti, 1963).

However, the relatively continental climate (Gams, 1931) is of primary importanee since it is the comparatively low cloudiness, frequent sunshine and little loss of energy through evaporation and snow melt that cause the heating effect of the elevated mountain surface (Turner, 1961). Gams (1931) has introduced the term of "hygrie continentality". He showed that the distribution of the most important forest types in the Alps is related to the ratio ofthe area's altitude (m) to its annual precipitation (mm).

Download PDF sample

Rated 4.77 of 5 – based on 49 votes