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@article{2263057,
author = {Výravský, David and Klímová Hřívová, Dana and Bojková, Jindřiška and Horsák, Michal and Zhai, Marie},
article_number = {1},
doi = {http://dx.doi.org/10.1080/20442041.2022.2139585},
keywords = {climate change; copepods; groundwater-dependent habitats; meiofauna; ostracods; water temperature},
language = {eng},
issn = {2044-2041},
journal = {Inland Waters},
title = {Effects of thermal stability on microcrustacean assemblages in spring fens},
url = {https://www.tandfonline.com/doi/full/10.1080/20442041.2022.2139585?scroll=top&needAccess=true&role=tab},
volume = {13},
year = {2023}
}
TY - JOUR
ID - 2263057
AU - Výravský, David - Klímová Hřívová, Dana - Bojková, Jindřiška - Horsák, Michal - Zhai, Marie
PY - 2023
TI - Effects of thermal stability on microcrustacean assemblages in spring fens
JF - Inland Waters
VL - 13
IS - 1
SP - 86-100
EP - 86-100
PB - Taylor and Francis Ltd.
SN - 20442041
KW - climate change
KW - copepods
KW - groundwater-dependent habitats
KW - meiofauna
KW - ostracods
KW - water temperature
UR - https://www.tandfonline.com/doi/full/10.1080/20442041.2022.2139585?scroll=top&needAccess=true&role=tab
N2 - Springs are considered relatively stable aquatic environments and possible thermal refugia for cold-adapted taxa under climate change. However, permanent and pristine spring fens in the Western Carpathians show between-site variation in thermal stability with significant effects on macroinvertebrate assemblages. In this study, we investigated the impact of the thermal stability on microcrustaceans (Harpacticoida, Ostracoda). We disentangled various parameters of thermal stability, such as mean summer and winter temperatures, annual amplitude, and daily fluctuations, and related these parameters to mesoclimate, vegetation cover, and water table. We found that the relative abundance of cold-stenothermal species decreased significantly with increasing mean water temperature in summer, which had a significant effect on species composition. Surprisingly, ostracods were completely indifferent to thermal stability despite including cold stenotherms and crenobionts, suggesting that these species might have broader thermal tolerance. By contrast, harpacticoids significantly responded to both summer and winter mean temperatures, showing upper and lower limits of thermal tolerance. While vegetation cover significantly suppressed daily fluctuations in summer, no effect of daily fluctuations on microcrustaceans was found. The effect of water table was also significant but independent of thermal stability. We assume that the less thermally stable sites will not support the occurrence of cold-stenothermic harpacticoids as air temperature rises. However, an increase in winter temperatures may result in higher overall abundance of harpacticoids. We discuss how spring fens are probably most threatened by the combination of drought and increasing temperature.
ER -
VÝRAVSKÝ, David, Dana KLÍMOVÁ HŘÍVOVÁ, Jindřiška BOJKOVÁ, Michal HORSÁK and Marie ZHAI. Effects of thermal stability on microcrustacean assemblages in spring fens. \textit{Inland Waters}. Taylor and Francis Ltd., 2023, vol.~13, No~1, p.~86-100. ISSN~2044-2041. Available from: https://dx.doi.org/10.1080/20442041.2022.2139585.
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