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Title: Structure and Function of Intra–Annual Density Fluctuations: Mind the Gaps
Authors: Battipaglia, Giovanna 
Campelo, Filipe 
Vieira, Joana 
Grabner, Michael 
De Micco, Veronica 
Nabais, Cristina 
Cherubini, Paolo 
Carrer, Marco 
Bräuning, Achim 
Čufar, Katarina 
Di Filippo, Alfredo 
García-González, Ignacio 
Koprowski, Marcin 
Klisz, Marcin 
Kirdyanov, Alexander V. 
Zafirov, Nikolay 
de Luis, Martin 
Issue Date: 2016
Project: FPS COST Action FP 1106 
Serial title, monograph or event: Frontiers in Plant Science
Volume: 7
Abstract: Tree rings are natural archives of climate and environmental information with a yearly resolution. Indeed, wood anatomical, chemical, and other properties of tree rings are a synthesis of several intrinsic and external factors, and their interaction during tree growth. In particular, Intra-Annual Density Fluctuations (IADFs) can be considered as tree-ring anomalies that can be used to better understand tree growth and to reconstruct past climate conditions with intra-annual resolution. However, the ecophysiological processes behind IADF formation, as well as their functional impact, remain unclear. Are IADFs resulting from a prompt adjustment to fluctuations in environmental conditions to avoid stressful conditions and/or to take advantage from favorable conditions? In this paper we discuss: (1) the influence of climatic factors on the formation of IADFs; (2) the occurrence of IADFs in different species and environments; (3) the potential of new approaches to study IADFs and identify their triggering factors. Our final aim is to underscore the advantages offered by network analyses of data and the importance of high-resolution measurements to gain insight into IADFs formation processes and their relations with climatic conditions, including extreme weather events.
DOI: 10.3389/fpls.2016.00595
Rights: openAccess
Appears in Collections:I&D CFE - Artigos em Revistas Internacionais

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