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  • Madrigal-Gonzalez, Jaime (författare)

Disentangling the relative role of climate change on tree growth in an extreme Mediterranean environment

  • Artikel/kapitelEngelska2018

Förlag, utgivningsår, omfång ...

  • Elsevier,2018
  • printrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:umu-150641
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-150641URI
  • https://doi.org/10.1016/j.scitotenv.2018.06.064DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Climate change can impair ecosystem functions and services in extensive dry forests worldwide. However, attribution of climate change impacts on tree growth and forest productivity is challenging due to multiple interannual patterns of climatic variability associated with atmospheric and oceanic circulations. Moreover, growth responses to rising atmospheric CO2, namely carbon fertilization, as well as size ontogenetic changes can obscure the climate change signature as well. Here we apply Structural Equation Models (SEM) to investigate the relative role of climate change on tree growth in an extreme Mediterranean environment (i.e., extreme in terms of the combination of sandy-unconsolidated soils and climatic aridity). Specifically, we analyzed potential direct and indirect pathways by which different sources of climatic variability (i.e. warming and precipitation trends, the North Atlantic Oscillation, [NAO]; the Mediterranean Oscillation, MOO: the Atlantic Mediterranean Oscillation, [AMO]) affect aridity through their control on local climate (in terms of mean annual temperature and total annual precipitation), and subsequently tree productivity, in terms of basal area increments (BAI). Our results support the predominant role of Diameter at Breast Height (DHB) as the main growth driver. In terms of climate, NAO and AMO are the most important drivers of tree growth through their control of aridity (via effects of precipitation and temperature, respectively). Furthermore and contrary to current expectations, our findings also support a net positive role of climate warming on growth over the last 50 years and suggest that impacts of climate warming should be evaluated considering multi-annual and multi-decadal periods of local climate defined by atmospheric and oceanic circulation in the North Atlantic. 

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Andivia, Enrique (författare)
  • Zavala, Miguel A. (författare)
  • Stoffel, Markus (författare)
  • Calatayud, JoaquinUmeå universitet,Institutionen för fysik(Swepub:umu)joca0032 (författare)
  • Sanchez-Salguero, Raul (författare)
  • Ballesteros-Canovas, Juan (författare)
  • Umeå universitetInstitutionen för fysik (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Science of the Total Environment: Elsevier642, s. 619-6280048-96971879-1026

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