By V. G. Onipchenko (auth.), Vladimir G. Onipchenko (eds.)
Plant geographical description of the world, syntaxonomy, spatial styles, floristic richness, constitution of plant groups on the subject of soil homes and herbivore impression have been defined for a mountain quarter that's tricky to entry. Seasonal, inter-annual, and long term dynamics of plants are mentioned at the base of long term observations in addition to pollen and phytolith analyses. inhabitants biology of alpine vegetation is studied by way of mix of box observations and mathematical modelling. Plant inhabitants thoughts and soil seed banks are defined for alpine vegetation from a number of groups. result of long term ecological experiments (plant reciprocal transplantations, dominant removals, mild obstacle) confirmed the importance of festival and facilitation for neighborhood association. constitution of soil algal and fungal groups is represented in addition to mycorrhiza of alpine crops. major animal teams (wild) heritage and sleek nature conservation difficulties are discussed.
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Extra info for Alpine Ecosystems in the Northwest Caucasus
Often such tracks occur not only in the crooked-stem forest stripe, but also in the typical forest zone and are marked by massive alluvial fans in the river valleys. Quite often there is no developed soil cover, but only rocky outcrops at the bottoms of these concave areas. When it is so, pure crooked-stem forests are developed with prostrate and crawling birches and some herbs among them, which could be either forest species or alpine and subalpine ones (Anemone caucasica, Fritillaria latifolia and F.
There are two types of crooked-stem forests in the upper part of the Teberda river: beech (Fagus orientalis) and birch (Betula litwinowii) (Tumadzhanov 1960a,b). Beech crooked-stem forests are characteristic of the lower parts of the slopes, while birch ones occupy higher positions, and sometimes are found along the wide bottoms of U-shaped glacial valleys (Fig. 11). 5 m; often there are both shrub and herbaceous layers under their canopy. Evergreen Rhododendron caucasicum is the most typical shrub of the beech crooked-stem forests; often it forms its own zone above the crookedstem forests.
All the collected data were summarized in the famous "Flora Rossica ... " compiled by Carl F. von Ledebour (1841-1853). The earliest information on plants of the Teberda valley was apparently provided by F. Jensch (1843), who specialized in forest research. In the second half of the 19th century the floristic investigations of the Caucasus continued. It was then that the first surveys on some regions of the Caucasus were published and the important summaries were made. Nikolay M. Albov (1896) was the first scientist to provide a description of flora and vegetation of the Colchis region, an outstanding Tertiary refugium.