Informace o publikaci
No Long-Term Decay in α-Cellulose of Living and Relict Trees From the European Alps Over the Past 8,000 years
| Autoři | |
|---|---|
| Rok publikování | 2025 |
| Druh | Článek v odborném periodiku |
| Časopis / Zdroj | Paleoceanography and Paleoclimatology |
| Fakulta / Pracoviště MU | |
| Citace | |
| www | https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2025PA005170 |
| Doi | https://doi.org/10.1029/2025PA005170 |
| Klíčová slova | cellulose; wood; stable isotope |
| Popis | Tree-ring ?-cellulose stable isotopes of living trees and dead woods are increasingly used for high-resolution paleoclimate reconstructions spanning centuries to millennia. However, the potential effects of wood decay on ?-cellulose content (CC) and the composition of tree-ring stable isotopes remain largely unexplored. Here, we present ?-cellulose content measurements from relict and living trees in the European Alps spanning the past 8,000 years. This study addresses whether preservation context alters the isotopic integrity of ?-cellulose. We assess the temporal stability of CC, its dependence on tree species, preservation conditions and wood type (subfossil, dry dead, living), as well as its relationship with ?-cellulose stable carbon, oxygen, and hydrogen isotopes (?13C, ?18O, ?2H). Our results show that ?-cellulose remains stable over millennia under alpine conditions. Our results not only confirm the suitability of relict wood for tree-ring stable isotopic analysis and paleoclimate reconstructions, but also provide insights for the improvement of global carbon cycle models. |