A new dimension of leaf economic spectrum : temporal instability of relationships among genotypes

© 2024 The Author(s). New Phytologist © 2024 New Phytologist Foundation.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 244(2024), 6 vom: 18. Nov., Seite 2210-2224
1. Verfasser: Pahadi, Pratima (VerfasserIn)
Weitere Verfasser: Wason, Jay, Annis, Seanna, McGill, Brian, Zhang, Yong-Jiang
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article functional trade‐off functional traits leaf mass per area leaf nitrogen leaf photosynthetic rate variation over years wild blueberry
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520 |a Leaf economic spectrum (LES) relationships have been studied across many different plant lineages and at different organizational scales. However, the temporal stability of the LES relationships is largely unknown. We used the wild blueberry system with high genotypic diversity to test whether trait-trait relationships across genotypes demonstrate the same LES relationships found in the global database (GLOPNET) and whether they are stable across years. We studied leaf structure, photosynthesis, and leaf nutrients for 16 genotypes of two wild blueberry species semi-naturally grown in a common farm in Maine, USA, across 4 yr. We found substantial variation in leaf structure, physiology, and nutrient traits within and among genotypes, as well as across years in wild blueberries. The LES trait-trait relationships (covariance structure) across genotypes were not always found in all years. The trait syndrome of wild blueberries was shifted by changing environmental conditions over the years. Additionally, traits in 1 yr cannot be used to predict those of another year. Our findings show that LES generally holds among genotypes but is temporally unstable, stressing the significant influence of trait plasticity in response to fluctuating environmental conditions across years, and the importance of temporal dimensions in shaping functional traits and species coexistence 
650 4 |a Journal Article 
650 4 |a functional trade‐off 
650 4 |a functional traits 
650 4 |a leaf mass per area 
650 4 |a leaf nitrogen 
650 4 |a leaf photosynthetic rate 
650 4 |a variation over years 
650 4 |a wild blueberry 
700 1 |a Wason, Jay  |e verfasserin  |4 aut 
700 1 |a Annis, Seanna  |e verfasserin  |4 aut 
700 1 |a McGill, Brian  |e verfasserin  |4 aut 
700 1 |a Zhang, Yong-Jiang  |e verfasserin  |4 aut 
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