Population structure of herpetobiotic spiders (Arachnida, Aranei) of the Holosiivsky National Park

E. Singaevsky

Taras Shevchenko National University of Kyiv
64, Volodymyrska St., Kyiv 01601, Ukraine
filantus@gmail.com

Species composition and population structure of herpetobiotic spiders of the Holosiivsky national park are investigated. 33 species which belongs to 9 spider families were revealed. There are 2 superdominant species of the herpetibiotic spiders assembly were found (Macrargus rufus 27,68% and Microneta viaria 26,64%), dominant species have been not found. Dynamic density of spiders in the litter of the Holosiivsky national park was noticeably lower comparatively with hornbeam forest of Kaniv nature reserve: 99 ind. and 569 ind. per 100 trap-day respectively. The distinctions in the measuring structure of spiders is consist in the enhancement of part of the species with body size 1,54,5 mm to 82% contrary to 14,9% in hornbeam forest. Species diversity registered in may is lower 20 species compared to 37 in the hornbeam forest.


Keywords: herpetobiotic spiders, urban ecosystem, dynamic density, measuring structure, species diversity


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