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Leaf economics and ...
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Mencuccini, Maurizio
(author)
Leaf economics and plant hydraulics drive leaf : wood area ratios
- Article/chapterEnglish2019
Publisher, publication year, extent ...
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2019-07-15
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Wiley,2019
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:su-171732
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-171732URI
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https://doi.org/10.1111/nph.15998DOI
Supplementary language notes
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Language:English
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Summary in:English
Part of subdatabase
Classification
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Biomass and area ratios between leaves, stems and roots regulate many physiological and ecological processes. The Huber value H-v (sapwood area/leaf area ratio) is central to plant water balance and drought responses. However, its coordination with key plant functional traits is poorly understood, and prevents developing trait-based prediction models. Based on theoretical arguments, we hypothesise that global patterns in H-v of terminal woody branches can be predicted from variables related to plant trait spectra, that is plant hydraulics and size and leaf economics. Using a global compilation of 1135 species-averaged H-v, we show that H-v varies over three orders of magnitude. Higher H-v are seen in short small-leaved low-specific leaf area (SLA) shrubs with low K-s in arid relative to tall large-leaved high-SLA trees with high K-s in moist environments. All traits depend on climate but climatic correlations are stronger for explanatory traits than H-v. Negative isometry is found between H-v and K-s, suggesting a compensation to maintain hydraulic supply to leaves across species. This work identifies the major global drivers of branch sapwood/leaf area ratios. Our approach based on widely available traits facilitates the development of accurate models of above-ground biomass allocation and helps predict vegetation responses to drought.
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Added entries (persons, corporate bodies, meetings, titles ...)
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Rosa, Teresa
(author)
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Rowland, Lucy
(author)
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Choat, Brendan
(author)
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Cornelissen, Hans
(author)
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Jansen, Steven
(author)
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Kramer, Koen
(author)
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Lapenis, Andrei
(author)
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Manzoni, StefanoStockholms universitet,Institutionen för naturgeografi(Swepub:su)smanz
(author)
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Niinemets, Ülo
(author)
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Reich, Peter
(author)
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Schrodt, Franziska
(author)
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Soudzilovskaia, Nadia
(author)
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Wright, Ian J.
(author)
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Martínez-Vilalta, Jordi
(author)
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Stockholms universitetInstitutionen för naturgeografi
(creator_code:org_t)
Related titles
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In:New Phytologist: Wiley224:4, s. 1544-15560028-646X1469-8137
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Mencuccini, Maur ...
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Rosa, Teresa
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Rowland, Lucy
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Choat, Brendan
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Cornelissen, Han ...
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Jansen, Steven
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show more...
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Kramer, Koen
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Lapenis, Andrei
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Manzoni, Stefano
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Niinemets, Ülo
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Reich, Peter
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Schrodt, Franzis ...
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Soudzilovskaia, ...
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Wright, Ian J.
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Martínez-Vilalta ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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New Phytologist
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Stockholm University