Article

Article name VEGETATION OF BIRCH AND ASPEN FORESTS IN THE PINEGA STATE RESERVE
Authors

Sergey Yu. Popov, PhD, Senior Researcher, Lomonosov Moscow State University, Biological Faculty; e-mail: s_yu_popov@rambler.ru

Reference to article

Popov S.Yu. 2017. Vegetation of birch and aspen forests in the Pinega State Reserve. Nature Conservation Research 2(2): 66–83. DOI: 10.24189/ncr.2017.015

Section Resarch articles
DOI http://dx.doi.org/10.24189/ncr.2017.015
Abstract

The Pinega State Nature Reserve (Russia) is located in the Arkhangelsk region in the northern taiga subzone. Together with spruce forests and mires, birch forests represent one of the most wide-spread plant communities of its territory. Birch forests cover 24.6% of the Reserve's area. Aspen forests are rare plant communities in the Pinega Reserve. These forests cover only 0.9% of the whole Reserve's area. The birch and aspen forests vegetation has been classified based on 82 relevès. Eleven associations could be distinguished, which represent six groups of associations. Detailed characteristics of these syntaxa are provided including their biodiversity analysis. The analysis allowed establishing that the revealed syntaxa differ in relation to habitat environmental conditions: e.g., soil moisture, trophicity, nitrogen saturation and soil acidity. Sphagnum and blueberry birch forests proved to be the poorest in nitrogen, in contrast to the richest humidoherbaceous and broad-grassed groups of birch forest associations. Broad-grassed birch forests in the Pinega Reserve inhabit the most drained locations, while humidoherbaceous and Sphagnum forests occur in lesser drained locations.

Keywords

aspen forests, associations, association groups, birch forests, non-metric scaling, species diversity, species richness

Artice information

Received: 29.12.2016

The full text of the article
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