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@article{1557981,
author = {Polášková, Vendula and Schenková, Jana and Bílková, Martina and Poláková, Martina and Šorfová, Vanda and Polášek, Marek and Schlaghamerský, Jiří and Horsák, Michal},
article_location = {Dordrecht},
article_number = {2},
doi = {http://dx.doi.org/10.1007/s13157-019-01171-w},
keywords = {Spring fens; Diptera;Vertical distribution;Semiaquatic habitats;Mineral richness;Tufa incrustation},
language = {eng},
issn = {0277-5212},
journal = {Wetlands},
title = {Drivers of small-scale Diptera distribution in aquatic-terrestrial transition zones of spring fens},
url = {http://dx.doi.org/10.1007/s13157-019-01171-w},
volume = {40},
year = {2020}
}
TY - JOUR
ID - 1557981
AU - Polášková, Vendula - Schenková, Jana - Bílková, Martina - Poláková, Martina - Šorfová, Vanda - Polášek, Marek - Schlaghamerský, Jiří - Horsák, Michal
PY - 2020
TI - Drivers of small-scale Diptera distribution in aquatic-terrestrial transition zones of spring fens
JF - Wetlands
VL - 40
IS - 2
SP - 235-247
EP - 235-247
PB - Springer
SN - 02775212
KW - Spring fens
KW - Diptera;Vertical distribution;Semiaquatic habitats;Mineral richness;Tufa incrustation
UR - http://dx.doi.org/10.1007/s13157-019-01171-w
L2 - http://dx.doi.org/10.1007/s13157-019-01171-w
N2 - Little is known about macroinvertebrate assemblages inhabiting aquatic-terrestrial transition zones, particularly at groundwater-fed wetlands. We studied diversity and vertical distribution of Dipteran assemblages in 27 spring fens characterised by variable groundwater chemistry ranging from acidic to extremely calcium rich. We sampled semiaquatic habitats of aquatic-terrestrial zones and compared their dipteran assemblages with those of truly aquatic habitats in spring patches. Our study showed that semiaquatic habitats create an important part of spring fens, harbouring about one half of dipteran taxa inhabiting spring fens, with a similar proportion of spring specialists as in aquatic habitats. Dipteran abundance decreased gradually with sediment depth, being the highest in the uppermost layer. However, vertical distribution of Diptera differed among fens of different mineral richness, with the average depth of dipteran counts decreasing from calcareous to mineral-poor Sphagnum fens. Calcium carbonate incrustations in calcareous fens might block migration to deeper horizons and therefore may cause high sensitivity of dipteran assemblages to water level fluctuations induced by various factors, such as climate changes and water abstraction. Semiaquatic habitats contribute significantly to the species richness of dipteran assemblages by providing additional microhabitats in the peripheral parts of spring fens, which are rare habitats of high conservation value.
ER -
POLÁŠKOVÁ, Vendula, Jana SCHENKOVÁ, Martina BÍLKOVÁ, Martina POLÁKOVÁ, Vanda ŠORFOVÁ, Marek POLÁŠEK, Jiří SCHLAGHAMERSKÝ and Michal HORSÁK. Drivers of small-scale Diptera distribution in aquatic-terrestrial transition zones of spring fens. \textit{Wetlands}. Dordrecht: Springer, 2020, vol.~40, No~2, p.~235-247. ISSN~0277-5212. Available from: https://dx.doi.org/10.1007/s13157-019-01171-w.
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