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@article{1817438,
author = {Hájek, Michal and Těšitel, Jakub and Tahvanainen, Teemu and Peterka, Tomáš and Jiménez Alfaro González, Francisco De Borja and Jansen, Florian and PérezandHaase, Aaron and Garbolino, Emmanuel and Carbognani, Michele and Kolari, Tiina H. M. and Hájková, Petra and Jandt, Ute and Aunina, Liene and Pawlikowski, Paweł and Ivchenko, Tatiana and Tomaselli, Marcello and Tichý, Lubomír and Dítě, Daniel and Plesková, Zuzana and Mikulášková, Eva},
article_location = {Hoboken, USA},
article_number = {3},
doi = {http://dx.doi.org/10.1111/gcb.15980},
keywords = {biodiversity loss; bryophytes and vascular plants; climate change; competition; continental-scale vegetation data; distribution; mire; shifts in realized niche},
language = {eng},
issn = {1354-1013},
journal = {Global Change Biology},
title = {Rising temperature modulates pH niches of fen species},
url = {https://doi.org/10.1111/gcb.15980},
volume = {28},
year = {2022}
}
TY - JOUR
ID - 1817438
AU - Hájek, Michal - Těšitel, Jakub - Tahvanainen, Teemu - Peterka, Tomáš - Jiménez Alfaro González, Francisco De Borja - Jansen, Florian - Pérez-Haase, Aaron - Garbolino, Emmanuel - Carbognani, Michele - Kolari, Tiina H. M. - Hájková, Petra - Jandt, Ute - Aunina, Liene - Pawlikowski, Paweł - Ivchenko, Tatiana - Tomaselli, Marcello - Tichý, Lubomír - Dítě, Daniel - Plesková, Zuzana - Mikulášková, Eva
PY - 2022
TI - Rising temperature modulates pH niches of fen species
JF - Global Change Biology
VL - 28
IS - 3
SP - 1023-1037
EP - 1023-1037
PB - Wiley
SN - 13541013
KW - biodiversity loss
KW - bryophytes and vascular plants
KW - climate change
KW - competition
KW - continental-scale vegetation data
KW - distribution
KW - mire
KW - shifts in realized niche
UR - https://doi.org/10.1111/gcb.15980
N2 - Rising temperatures may endanger fragile ecosystems because their character and key species show different habitat affinities under different climates. This assumption has only been tested in limited geographical scales. In fens, one of the most endangered ecosystems in Europe, broader pH niches have been reported from cold areas and are expected for colder past periods. We used the largest European-scale vegetation database from fens to test the hypothesis that pH interacts with macroclimate temperature in forming realized niches of fen moss and vascular plant species. We calibrated the data set (29,885 plots after heterogeneity-constrained resampling) with temperature, using two macroclimate variables, and with the adjusted pH, a variable combining pH and calcium richness. We modelled temperature, pH and water level niches for one hundred species best characterizing European fens using generalized additive models and tested the interaction between pH and temperature. Fifty-five fen species showed a statistically significant interaction between pH and temperature (adj p < .01). Forty-six of them (84%) showed a positive interaction manifested by a shift or restriction of their niche to higher pH in warmer locations. Nine vascular plants and no moss showed the opposite interaction. Mosses showed significantly greater interaction. We conclude that climate significantly modulates edaphic niches of fen plants, especially bryophytes. This result explains previously reported regional changes in realized pH niches, a current habitat-dependent decline of endangered taxa, and distribution changes in the past. A warmer climate makes growing seasons longer and warmer, increases productivity, and may lower the water level. These effects prolong the duration and intensity of interspecific competition, support highly competitive Sphagnum mosses, and, as such, force niches of specialized fen species towards narrower high-pH ranges. Recent anthropogenic landscape changes pose a severe threat to many fen species and call for mitigation measures to lower competition pressure in their refugia.
ER -
HÁJEK, Michal, Jakub TĚŠITEL, Teemu TAHVANAINEN, Tomáš PETERKA, Francisco De Borja JIMÉNEZ ALFARO GONZÁLEZ, Florian JANSEN, Aaron PÉREZ-HAASE, Emmanuel GARBOLINO, Michele CARBOGNANI, Tiina H. M. KOLARI, Petra HÁJKOVÁ, Ute JANDT, Liene AUNINA, Paweł PAWLIKOWSKI, Tatiana IVCHENKO, Marcello TOMASELLI, Lubomír TICHÝ, Daniel DÍTĚ, Zuzana PLESKOVÁ and Eva MIKULÁŠKOVÁ. Rising temperature modulates pH niches of fen species. \textit{Global Change Biology}. Hoboken, USA: Wiley, 2022, vol.~28, No~3, p.~1023-1037. ISSN~1354-1013. Available from: https://dx.doi.org/10.1111/gcb.15980.
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