Mites Acari, Mesostigmata in boreal Scots pine forest floors: effect of distance to stumpsReport as inadecuate




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Experimental and Applied Acarology

, Volume 64, Issue 1, pp 61–71

First Online: 05 June 2014Received: 05 June 2012Accepted: 26 May 2014DOI: 10.1007-s10493-014-9825-8

Cite this article as: Kamczyc, J., Gwiazdowicz, D.J., Teodorowicz, E. et al. Exp Appl Acarol 2014 64: 61. doi:10.1007-s10493-014-9825-8

Abstract

Coarse woody debris CWD is a basic component of forest ecosystems and it plays a crucial role in species-poor boreal forests. Generally, previous studies have focused on differences between the forest floor and decaying logs of various tree species. The impact of distance to CWD has been investigated mainly for forest-floor snails and some groups of macrofauna, but not yet for mesostigmatid mites communities. We hypothesized that the effect of CWD decreases with increasing distance from CWD. To test this hypothesis we conducted a study in relatively species-poor Finnish boreal forest at ca. 100 km northwest of Helsinki. In total, 81 samples were collected in 2007 from nine Scots pine Pinus sylvestris stumps, three microhabitats CWD, soil-litter at 0.5 m from a stump and soil-litter at 1.5 m from a stump and in three main directions 9 stumps × 3 microhabitats × 3 directions. Overall, 1965 mesostigmatid mites were collected representing 24 species. The mean number of mite species collected was significantly different between decaying stumps and forest litter; however, there was no significant difference between the litter samples at 0.5 and 1.5 m distance. The evenness index was significantly lower for samples collected from stumps than for litter in close 0.5 m or far 1.5 m distance. The most frequently encountered mite species were Veigaia nemorensis, Parazercon radiatus and Zercon zelawaiensis.

KeywordsBiodiversity Coarse woody debris CWD Mites Boreal forests Pinus sylvestris  Download fulltext PDF



Author: Jacek Kamczyc - Dariusz J. Gwiazdowicz - Ewa Teodorowicz - Katarzyna Strzymińska

Source: https://link.springer.com/



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