Sensitivity of leaf size and shape to climate global patterns and paleoclimatic applications

Sensitivity of leaf size and shape to climate : global patterns and paleoclimatic applications

© 2011 The Authors. New Phytologist © 2011 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 190(2011), 3 vom: 01. Mai, Seite 724-39
1. Verfasser: Peppe, Daniel J (VerfasserIn)
Weitere Verfasser: Royer, Dana L, Cariglino, Bárbara, Oliver, Sofia Y, Newman, Sharon, Leight, Elias, Enikolopov, Grisha, Fernandez-Burgos, Margo, Herrera, Fabiany, Adams, Jonathan M, Correa, Edwin, Currano, Ellen D, Erickson, J Mark, Hinojosa, Luis Felipe, Hoganson, John W, Iglesias, Ari, Jaramillo, Carlos A, Johnson, Kirk R, Jordan, Gregory J, Kraft, Nathan J B, Lovelock, Elizabeth C, Lusk, Christopher H, Niinemets, Ulo, Peñuelas, Josep, Rapson, Gillian, Wing, Scott L, Wright, Ian J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2011
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S.
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100 1 |a Peppe, Daniel J  |e verfasserin  |4 aut 
245 1 0 |a Sensitivity of leaf size and shape to climate  |b global patterns and paleoclimatic applications 
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500 |a Date Completed 16.08.2011 
500 |a Date Revised 30.09.2020 
500 |a published: Print-Electronic 
500 |a CommentIn: New Phytol. 2011 May;190(3):514-7. - PMID 21496027 
500 |a Citation Status MEDLINE 
520 |a © 2011 The Authors. New Phytologist © 2011 New Phytologist Trust. 
520 |a • Paleobotanists have long used models based on leaf size and shape to reconstruct paleoclimate. However, most models incorporate a single variable or use traits that are not physiologically or functionally linked to climate, limiting their predictive power. Further, they often underestimate paleotemperature relative to other proxies. • Here we quantify leaf-climate correlations from 92 globally distributed, climatically diverse sites, and explore potential confounding factors. Multiple linear regression models for mean annual temperature (MAT) and mean annual precipitation (MAP) are developed and applied to nine well-studied fossil floras. • We find that leaves in cold climates typically have larger, more numerous teeth, and are more highly dissected. Leaf habit (deciduous vs evergreen), local water availability, and phylogenetic history all affect these relationships. Leaves in wet climates are larger and have fewer, smaller teeth. Our multivariate MAT and MAP models offer moderate improvements in precision over univariate approaches (± 4.0 vs 4.8°C for MAT) and strong improvements in accuracy. For example, our provisional MAT estimates for most North American fossil floras are considerably warmer and in better agreement with independent paleoclimate evidence. • Our study demonstrates that the inclusion of additional leaf traits that are functionally linked to climate improves paleoclimate reconstructions. This work also illustrates the need for better understanding of the impact of phylogeny and leaf habit on leaf-climate relationships 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
700 1 |a Royer, Dana L  |e verfasserin  |4 aut 
700 1 |a Cariglino, Bárbara  |e verfasserin  |4 aut 
700 1 |a Oliver, Sofia Y  |e verfasserin  |4 aut 
700 1 |a Newman, Sharon  |e verfasserin  |4 aut 
700 1 |a Leight, Elias  |e verfasserin  |4 aut 
700 1 |a Enikolopov, Grisha  |e verfasserin  |4 aut 
700 1 |a Fernandez-Burgos, Margo  |e verfasserin  |4 aut 
700 1 |a Herrera, Fabiany  |e verfasserin  |4 aut 
700 1 |a Adams, Jonathan M  |e verfasserin  |4 aut 
700 1 |a Correa, Edwin  |e verfasserin  |4 aut 
700 1 |a Currano, Ellen D  |e verfasserin  |4 aut 
700 1 |a Erickson, J Mark  |e verfasserin  |4 aut 
700 1 |a Hinojosa, Luis Felipe  |e verfasserin  |4 aut 
700 1 |a Hoganson, John W  |e verfasserin  |4 aut 
700 1 |a Iglesias, Ari  |e verfasserin  |4 aut 
700 1 |a Jaramillo, Carlos A  |e verfasserin  |4 aut 
700 1 |a Johnson, Kirk R  |e verfasserin  |4 aut 
700 1 |a Jordan, Gregory J  |e verfasserin  |4 aut 
700 1 |a Kraft, Nathan J B  |e verfasserin  |4 aut 
700 1 |a Lovelock, Elizabeth C  |e verfasserin  |4 aut 
700 1 |a Lusk, Christopher H  |e verfasserin  |4 aut 
700 1 |a Niinemets, Ulo  |e verfasserin  |4 aut 
700 1 |a Peñuelas, Josep  |e verfasserin  |4 aut 
700 1 |a Rapson, Gillian  |e verfasserin  |4 aut 
700 1 |a Wing, Scott L  |e verfasserin  |4 aut 
700 1 |a Wright, Ian J  |e verfasserin  |4 aut 
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