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

ISBN-10: 1402023839

ISBN-13: 9781402023835

ISBN-10: 9048166497

ISBN-13: 9789048166497

Plant geographical description of the realm, syntaxonomy, spatial styles, floristic richness, constitution of plant groups in terms of soil houses and herbivore impact have been defined for a mountain zone that's tricky to entry. Seasonal, inter-annual, and long term dynamics of crops are mentioned at the base of long term observations in addition to pollen and phytolith analyses. inhabitants biology of alpine vegetation is studied via mixture of box observations and mathematical modelling. Plant inhabitants innovations and soil seed banks are defined for alpine crops from numerous groups. result of long term ecological experiments (plant reciprocal transplantations, dominant removals, mild hindrance) confirmed the importance of pageant and facilitation for neighborhood association. constitution of soil algal and fungal groups is represented in addition to mycorrhiza of alpine vegetation. major animal teams (wild) background and sleek nature conservation difficulties are discussed.

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Extra info for Alpine Ecosystems in the Northwest Caucasus

Example text

History of floristic study Numerous factors detennine the phytogeography of the Teberda State Nature Reserve. It is located in the northwestern part of the northern slope of the Greater Caucasus mountain range. The diversity of climate within the Reserve results from the complex mountain topography with strong altitudinal differences: the lower parts of the Reserve are at the altitude of 1,300 m, while the highest point of the Reserve is at 4,046 m above sea level (Mt. Dombai-Ulgen). Variously oriented steep slopes exacerbate differences in vegetation even within one altitudinal zone.

Sommier and Emilio Levier (1900) as well as publications of Nikolay A. Busch (1897, 1898) and Elizaveta A. Busch 1909). After the Teberda Reserve was established in 1935, the floristic research in it was done by Sergey V. Juzepczuk, Boris I. Fedchenko, Dmitry K. Volgunov. 1. N. Kononov in 1959. The next inventory of the Reserve's flora conducted by Faina M. Vorob'eva in 1976-1980 (Vorob'eva & Kononov 1991). The last checklist of its flora was published recently (Vorob'eva & Onipchenko 2001). The main altitudinal zones of the northern slope of the Greater Caucasus Mountain Range were identified in the late 19th century (Voeykov 1871, Medvedev 1882, Keppen 1885).

Most of the authors distinguish three types of Caucasian subalpine meadows: grass, grass-forb and forb (Makhatadze in Gulisashvili et al. 1975). All of them are represented in the northwestern Caucasus and can be found in the upper part of the Teberda river basin. In this region, Calamagrostis arundinacea, Bromus variegatus (especially in the northern part of the Reserve), Festuca varia (mainly on southern slopes), Helictotrichon versicolor, and Agrostis vinealis are the most widespread dominants of the subalpine grasslands.

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


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