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Arctic and Antarctica
Reference:

Palynological characteristics of the stages of succession of the arctic and subarctic tundras

Vasil'chuk Alla Constantinovna

Doctor of Geography

Leading Scientific Associate, M. V. Lomonosov Moscow State University

119991, Russia, g. Moscow, Leninskie Gory, GSP-1, 1,, geograficheskii fakul'tet, NIL geoekologii Severa

alla-vasilch@yandex.ru
Другие публикации этого автора
 

 

DOI:

10.7256/2453-8922.2016.1.21367

Review date:

10-12-2016


Publish date:

16-01-2017


Abstract: The subject of the study is the subfossil pollen spectrum from polygonal tundra of different succession stages: the formation of a framework of vegetation and overgrowing patches of polygons. It is established that local components of the pollen spectrum are basic information on the stages of succession. Determination of the sequence of changes in the dominant pollen taxon in the process of typical succession enables the allocation of such sequences for pollen plots, allowing to more objectively assessing the changes in biocenoses. We also analyze the pollen spectrum features during the development of waterlogging and pyrogenic succession reflected in the palynologic signal. The main research method is the palynologic analysis of surface samples and interpret the results in relative stages of succession. The main conclusions of the study is allocation of the standard sequence of dominants on pollen plots, which correspond to the stages of succession. Pollen dominants sequences are detected migration of woody vegetation to the North by open ground, eutrophication of lakes, overgrowing of polygons in the Arctic tundra, as well as for pyrogenic succession


Keywords: biocenosis, subfossil pollen spectra, pollen analysis, stages of succession, vegetation, polygonal tundra, spores, pollen, Arctic, polar desert
This article written in Russian. You can find full text of article in Russian here .

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