Abstract
Soil-dwelling and ground spiders were studied in oligotrophic and mesotrophic bog-forest ecotones of the northern taiga (Eastern Fennoscandia) in 2005–2007. The number of spider species was greater in the forest as compared to the bog. The spider assemblages of the bogs and swampy forests was characterized by the prevalence of Lycosidae both in abundance and in species richness, whereas members of the family Linyphiidae prevailed in the forest. The species diversity of soil-dwelling spiders was lower in oligotrophic bogs than in mesotrophic ones. In all the bog-forest ecotones studied, the spider assemblages showed no edge effect (an increase in diversity and abundance), indicating a high degree of interpenetration of the spider complexes from adjacent ecosystems. Stenotopic spider species were not found in the ecotones studied either. The major ecological factors responsible for the specific features of spider assemblages in the biotopes studied are the temperature regime and soil humidity.
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Original Russian Text © I.O. Kamayev, 2012, published in Zoologicheskii Zhurnal, 2012, Vol. 91, No. 2, pp. 148–162.
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Kamayev, I.O. Spider (Aranei) assemblages in bog-forest ecotone of the northern taiga subzone (Eastern Fennoscandia). Entmol. Rev. 92, 471–485 (2012). https://doi.org/10.1134/S0013873812040136
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DOI: https://doi.org/10.1134/S0013873812040136