Revisiting the Functional Basis of Sclerophylly Within the Leaf Economics Spectrum of Oaks: Different Roads to Rome
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Date
2020
Authors
Alonso Forn, DavidSancho Knapik, Domingo
Ferrio Díaz, Juan Pedro
Peguero Pina, José Javier
Bueno, Amauri
Onoda, Yusuke
Cavender Bares, Jeannine
Niinemets, Ulo
Jansen, Steven
Riederer, Markus
Cornelissen, Johannes H C
Chai, Yongfu
Gil Pelegrín, Eustaquio
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Abstract
Purpose of Review Defining the mechanisms behind and the leaf economic consequences of the development of sclerophylly in woody plants will allow us to understand its ecological implications, anticipate the potential for adaptation of different tree species to global change, and define new woody plant ideotypes for stress tolerance. Recent Findings Sclerophylly has evolved independently in different woody plant genera and has been traditionally considered as a stress-tolerance trait. However, the underlying drivers for this functional trait are still a matter of debate; it has been proposed as an adaptive response to miscellaneous stress factors, such as nutrient scarcity, drought stress, herbivory, and cold tolerance, and due to the large investment costs of sclerophylly, it is generally associated with a longer leaf life span. The genusQuercusconstitutes a unique living laboratory to understand global adaptive patterns along the leaf economic spectrum in forest trees. With more than 400 species, oaks are distributed along six zonobiomes and its versatility has resulted in a wide range of variations in leaf functional traits and contrasting adaptive strategies. However, although this wide variability cannot be explained alone by any of the ecological factors considered, such as drought, nutrient scarcity, low temperatures during vegetative period, and physical damage, neither any of them could be fully discarded. Noteworthy, our study also suggests that these constraints may have a synergistic effect, and from a functional point of view, we can conclude that in oaks leaf habit largely modulates the physiological implications of sclerophylly.
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Bibliographic citation
Alonso-Forn, D., Sancho-Knapik, D., Ferrio, J. P., Peguero-Pina, J. J., Bueno, A., Onoda, Y., Cavender-Bares, J., Niinemets, Ü., Jansen, S., Riederer, M., Cornelissen, J. H. C., Chai, Y., & Gil-Pelegrín, E. (2020). Revisiting the Functional Basis of Sclerophylly Within the Leaf Economics Spectrum of Oaks: Different Roads to Rome. Current Forestry Reports, 6(4), 260-281. https://doi.org/10.1007/s40725-020-00122-7
AGROVOC subjects
QuercusHojas
Adaptabilidad
Other field subjects
2 MEDITERRANEAN OAKSCUTICULAR WATER PERMEABILITY
Drought
DRY MASS
FRACTURE-TOUGHNESS
leaf life span
Life-Span
Mechanical-Properties
MESOPHYLL DIFFUSION CONDUCTANCE
NEGATIVE TURGOR
Nutrient scarcity
NUTRITIONAL INTERPRETATION
PHOTOSYNTHETIC CAPACITY
Quercus
Sclerophylly
Stress Factors
Sponsorship
Esta investigación ha sido financiada por el Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA) con la subvención RTA2015--00054-C02-01 y por el grupo de investigación H09_20R del Gobierno de Aragón. El trabajo de David Alonso Forn está financiado por un contrato FPI-INIA BES-2017-081208. La investigación de Domingo Sancho Knapik cuenta con el apoyo de un contrato DOC INIA-CCAA cofinanciado por el INIA y el Fondo Social Europeo.