Articles | Volume 15, issue 16
https://doi.org/10.5194/bg-15-5189-2018
https://doi.org/10.5194/bg-15-5189-2018
Research article
 | 
29 Aug 2018
Research article |  | 29 Aug 2018

Environmental and taxonomic controls of carbon and oxygen stable isotope composition in Sphagnum across broad climatic and geographic ranges

Gustaf Granath, Håkan Rydin, Jennifer L. Baltzer, Fia Bengtsson, Nicholas Boncek, Luca Bragazza, Zhao-Jun Bu, Simon J. M. Caporn, Ellen Dorrepaal, Olga Galanina, Mariusz Gałka, Anna Ganeva, David P. Gillikin, Irina Goia, Nadezhda Goncharova, Michal Hájek, Akira Haraguchi, Lorna I. Harris, Elyn Humphreys, Martin Jiroušek, Katarzyna Kajukało, Edgar Karofeld, Natalia G. Koronatova, Natalia P. Kosykh, Mariusz Lamentowicz, Elena Lapshina, Juul Limpens, Maiju Linkosalmi, Jin-Ze Ma, Marguerite Mauritz, Tariq M. Munir, Susan M. Natali, Rayna Natcheva, Maria Noskova, Richard J. Payne, Kyle Pilkington, Sean Robinson, Bjorn J. M. Robroek, Line Rochefort, David Singer, Hans K. Stenøien, Eeva-Stiina Tuittila, Kai Vellak, Anouk Verheyden, James Michael Waddington, and Steven K. Rice

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Cited articles

Aravena, R. and Warner, B. G.: Oxygen-18 composition of Sphagnum, and microenvironmental water relations, Bryologist, 95, 445–448, 1992. 
Bates, D., Mächler, M., Bolker, B., and Walker, S.: Fitting Linear Mixed-Effects Models Using lme4, J. Stat. Softw., 67, https://doi.org/10.18637/jss.v067.i01, 2015. 
Bilali, H. E., Patterson, R. T., and Prokoph, A.: A Holocene paleoclimate reconstruction for eastern Canada based on δ18O cellulose of Sphagnum mosses from Mer Bleue Bog, Holocene, 23, 1260–1271, https://doi.org/10.1177/0959683613484617, 2013. 
Bowen, G. J.: Isoscapes: spatial pattern in isotopic biogeochemistry, Annu. Rev. Earth Pl. Sc., 38, 161–187, https://doi.org/10.1146/annurev-earth-040809-152429, 2010. 
Bowen, G. J.: Gridded maps of the isotopic composition of meteoric waters, available at: http://www.waterisotopes.org (last access: 17 September 2017), 2017. 
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Short summary
Peat constitutes a long-term archive for climate reconstruction by using the isotopic composition of carbon and oxygen. We analysed isotopes in two peat moss species across North America and Eurasia. Peat (moss tissue) isotope composition was predicted by soil moisture and isotopic composition of the rainwater but differed between species. Our results suggest that isotope composition can be used on a large scale for climatic reconstructions but that such models should be species-specific.
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