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Inter-annual and decadal changes in teleconnections drive continental-scale synchronization of tree reproduction

Author

Listed:
  • Davide Ascoli

    (University of Naples Federico II)

  • Giorgio Vacchiano

    (DISAFA, University of Turin
    Joint Research Centre, D1 Bio-economy)

  • Marco Turco

    (University of Barcelona)

  • Marco Conedera

    (Swiss Federal Institute for Forest, Snow, and Landscape Research WSL)

  • Igor Drobyshev

    (Swedish University of Agricultural Sciences
    Université du Québec en Abitibi-Témiscamingue)

  • Janet Maringer

    (Swiss Federal Institute for Forest, Snow, and Landscape Research WSL
    University of Stuttgart)

  • Renzo Motta

    (DISAFA, University of Turin)

  • Andrew Hacket-Pain

    (University of Liverpool)

Abstract

Climate teleconnections drive highly variable and synchronous seed production (masting) over large scales. Disentangling the effect of high-frequency (inter-annual variation) from low-frequency (decadal trends) components of climate oscillations will improve our understanding of masting as an ecosystem process. Using century-long observations on masting (the MASTREE database) and data on the Northern Atlantic Oscillation (NAO), we show that in the last 60 years both high-frequency summer and spring NAO, and low-frequency winter NAO components are highly correlated to continent-wide masting in European beech and Norway spruce. Relationships are weaker (non-stationary) in the early twentieth century. This finding improves our understanding on how climate variation affects large-scale synchronization of tree masting. Moreover, it supports the connection between proximate and ultimate causes of masting: indeed, large-scale features of atmospheric circulation coherently drive cues and resources for masting, as well as its evolutionary drivers, such as pollination efficiency, abundance of seed dispersers, and natural disturbance regimes.

Suggested Citation

  • Davide Ascoli & Giorgio Vacchiano & Marco Turco & Marco Conedera & Igor Drobyshev & Janet Maringer & Renzo Motta & Andrew Hacket-Pain, 2017. "Inter-annual and decadal changes in teleconnections drive continental-scale synchronization of tree reproduction," Nature Communications, Nature, vol. 8(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_s41467-017-02348-9
    DOI: 10.1038/s41467-017-02348-9
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    Cited by:

    1. Vacchiano, Giorgio & Ascoli, Davide & Berzaghi, Fabio & Lucas-Borja, Manuel Esteban & Caignard, Thomas & Collalti, Alessio & Mairota, Paola & Palaghianu, Ciprian & Reyer, Christopher P.O. & Sanders, T, 2018. "Reproducing reproduction: How to simulate mast seeding in forest models," Ecological Modelling, Elsevier, vol. 376(C), pages 40-53.
    2. Ruiz-Benito, Paloma & Vacchiano, Giorgio & Lines, Emily R. & Reyer, Christopher P.O. & Ratcliffe, Sophia & Morin, Xavier & Hartig, Florian & Mäkelä, Annikki & Yousefpour, Rasoul & Chaves, Jimena E. & , 2020. "Available and missing data to model impact of climate change on European forests," Ecological Modelling, Elsevier, vol. 416(C).
    3. Isabel Dorado-Liñán & Blanca Ayarzagüena & Flurin Babst & Guobao Xu & Luis Gil & Giovanna Battipaglia & Allan Buras & Vojtěch Čada & J. Julio Camarero & Liam Cavin & Hugues Claessens & Igor Drobyshev , 2022. "Jet stream position explains regional anomalies in European beech forest productivity and tree growth," Nature Communications, Nature, vol. 13(1), pages 1-10, December.

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