Download Alpine Ecosystems in the Northwest Caucasus by V. G. Onipchenko (auth.), Vladimir G. Onipchenko (eds.) PDF

By V. G. Onipchenko (auth.), Vladimir G. Onipchenko (eds.)

Plant geographical description of the world, syntaxonomy, spatial styles, floristic richness, constitution of plant groups with regards to soil houses and herbivore impression have been defined for a mountain sector that's tough 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 crops is studied via mix of box observations and mathematical modelling. Plant inhabitants thoughts and soil seed banks are defined for alpine crops from numerous groups. result of long term ecological experiments (plant reciprocal transplantations, dominant removals, mild problem) confirmed the importance of pageant and facilitation for group association. constitution of soil algal and fungal groups is represented in addition to mycorrhiza of alpine vegetation. 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

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Sibbaldia procumbens dominates in heavily grazed alpine snowbeds As in the case of the subalpine belt, the dominants of the alpine meadows and snowbed communities demonstrate picturesque aspects created by various flowering forbs, which replace each other through the growth season. The most chionophobic communities of the alpine belt are the alpine heaths, which occupy windward stony slopes and crests between 2700 and 3000 m above sea level. Heaths have common features both with tundra and meadows.

1). In the scientific publications of the last 2-3 decades, the altitudinal zonation of the northern slope of the western part of the Greater Caucasus is referred to as a special "Kuban" type. This was also true for the Kuznetzov's classification (Kuznetsov 1909), which distinguished this territory as a certain province of Kuban forests. The full set of this zonation type consists of 10 altitudinal belts: steppes, forest-steppes, oak-hornbeam forests, beech forests, fir-spruce forests, pine forests, subalpine meadows, alpine meadows, subnival and nival belts (Vedenin et al.

Ornithogalum oligophyllum), brought in by avalanches. Further to the north, because of the decreasing precipitation the appearance and the composition of subalpine crooked-stem forests change dramatically. Fagus orientalis, Acer trautvetteri, Vaccinium arctostaphylos and some other species disappear, while Betula litwinowii, Sorb us aucuparia, Salix pantosericea become dominant. Both on the north-facing and south-facing slopes, as well as at the bottoms of glacial valleys, crooked-stem and krummholz communities are combined with open and picturesque subalpine forests.

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