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Showing 1–4 of 4 results
Advanced filters: Author: P. Nöjd Clear advanced filters

  • Measurements of carbon fluxes and wood phenology are used to assess carbon sources from photosynthesis and their sink into woody growth along a thermal gradient. The authors show that stem growth advances slower than photosynthesis per degree Celsius, creating a phenological mismatch for carbon.

    • X. Li
    • R. Silvestro
    • S. Rossi
    Research
    Nature Climate Change
    Volume: 15, P: 1363-1370

  • Forest carbon source and sink processes may have contrasting climatic sensitivities. This analysis on 177 coniferous forest sites shows that carbon fluxes and wood formation are coupled but not fully synchronous at intra-annual scales, with peaks in cambial activity preceding those in photosynthesis and respiration.

    • Roberto Silvestro
    • Maurizio Mencuccini
    • Sergio Rossi
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-12

  • Tree rings retain information of sudden variations of ancient radiocarbon (14C) content, however the origin and exact timing of these events often remain uncertain. Here, the authors analyze a set of Arctic tree rings and link a rapid increase in 14C to a solar event that occurred during the spring of AD 774.

    • J. Uusitalo
    • L. Arppe
    • M. Oinonen
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-8