Abstract
Using the example of a model group of macromycete (clavarioid fungi), a large-scale investigation into the mycological complex of the Eurasian Arctic is conducted. The species composition of clavarioid fungi’s complex is revealed in all longitudinal sectors and latitudinal subzones, and a comparative analysis is carried out. It has been determined that, among groups of aphyllophoroid fungi, the clavarioid life form is the most adapted to the extremally psychrophilic conditions of the Arctic. It is shown that the near-oceanic sectors are the richest, whereas the continental sectors are much poorer. The distribution of the species composition of fungi conforms to the similar distribution of flowering plants, especially hemicryptophytes. The average annual quantity of atmospheric precipitation is the leading climatic factor. The differences make it possible to subdivide the Eurasian Arctic into four mycogeographical regions: Atlantic (European), Siberian, Chukotian (Beringian), and High Arctic.
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Original Russian Text © A.G. Shiryaev, 2013, published in Sibirskii Ekologicheskii Zhurnal, 2013, No. 4, pp. 495–506.
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Shiryaev, A.G. Spatial heterogeneity of the species composition of a clavarioid fungi’s compex in the Eurasian Arctic. Contemp. Probl. Ecol. 6, 381–389 (2013). https://doi.org/10.1134/S1995425513040112
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DOI: https://doi.org/10.1134/S1995425513040112


