ShipleyLechowiczWrightEtAl2006

Référence

Shipley, B., Lechowicz, M.J., Wright, I. and Reich, P.B. (2006) Fundamental trade-offs generating the worldwide leaf economics spectrum. Ecology, 87(3):535-541.

Résumé

Recent work has identified a worldwide "economic" spectrum of correlated leaf traits that affects global patterns of nutrient cycling and primary productivity and that is used to calibrate vegetation-climate models. The correlation patterns are displayed by species from the arctic to the tropics and are largely independent of growth form or phylogeny. This generality suggests that unidentified fundamental constraints control the return of photosynthates on investments of nutrients and dry mass in leaves. Using novel graph theoretic methods and structural equation modeling, we show that the relationships among these variables can best be explained by assuming (1) a necessary trade-off between allocation to structural tissues versus liquid phase processes and (2) an evolutionary tradeoff between leaf photosynthetic rates, construction costs, and leaf longevity. © 2006 by the Ecological Society of America.

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@ARTICLE { ShipleyLechowiczWrightEtAl2006,
    AUTHOR = { Shipley, B. and Lechowicz, M.J. and Wright, I. and Reich, P.B. },
    TITLE = { Fundamental trade-offs generating the worldwide leaf economics spectrum },
    JOURNAL = { Ecology },
    YEAR = { 2006 },
    VOLUME = { 87 },
    PAGES = { 535-541 },
    NUMBER = { 3 },
    NOTE = { 00129658 (ISSN) Cited By (since 1996): 2 Export Date: 26 April 2007 Source: Scopus CODEN: ECOLA Language of Original Document: English Correspondence Address: Shipley, B.; De?partement de Biologie; Universite? de Sherbrooke Sherbrooke, Que. J1K 2R1, Canada; email: Bill.Shipley@USherbrooke.ca References: Berry, S.L., Roderick, M.L., Plant-water relations and the fibre saturation point (2005) New Phytologist, 168, pp. 25-37; Desch, H.E., (1973) Timber: Its Structure and Properties, , Macmillan Press, London, UK; Field, C., Mooney, H.A., The photosynthesis-nitrogen relationship in wild plants (1986) On the Economy of Plant Form and Function, pp. 25-55. , T. J. Givnish, editor. Cambridge University Press, Cambridge, UK; Hikosaka, K., Interspecific difference in the photosynthesis-nitrogen relationship: Patterns, physiological causes, and ecological importance (2004) Journal of Plant Research, 117, pp. 481-494; Kikuzawa, K., A cost-benefit analysis of leaf habit and leaf longevity of trees and their geographical pattern (1991) American Naturalist, 138, pp. 1250-1260; Little, R.J.A., Rubin, D.B., (1987) Statistical Analysis with Missing Data, , Wiley and Sons, New York, New York, USA; Marks, C.O., Lechowicz, M.J., A holistic tree seedling model for the investigation of functional trait diversity (2006) Ecological Modeling, , in press; Meziane, D., Shipley, B., Direct and indirect relationships between specific leaf area, leaf nitrogen and leaf gas exchange. Effects of irradiance and nutrient supply (2001) Annals of Botany, 88, pp. 915-927; Muthe?n, L.K., Muthe?n, B.O., (1998) Mplus User's Guide. Second Edition, , Muthe?n and Muthe?n., Los Angeles, California, USA; Niinemets, U., Global-scale climatic controls of leaf dry mass per area, density, and thickness in trees and shrubs (2001) Ecology, 82, pp. 453-469; Pearl, J., (2000) Causality, , Cambridge University Press, Cambridge, UK; Pyankov, V., Kondratchuk, A., Shipley, B., Leaf structure and specific leaf mass: The alpine desert plants of the Eastern Pamirs (Tadjikistan) (1999) New Phytologist, 143, pp. 131-142; Pyke, K.A., Plastid division and development (1999) Plant Cell, 11, pp. 549-556; Reich, P.B., Walters, M.B., Ellsworth, D.S., From tropics to tundra: Global convergence in plant functioning (1997) Proceedings of the National Academy of Sciences, 94, pp. 13730-13734. , USA; Roderick, M.L., Berry, S.L., Noble, I.R., Farquhar, G.D., A theoretical approach to linking the composition and morphology with the function of leaves (1999) Functional Ecology, 13, pp. 683-695; Roderick, M.L., Berry, S.L., Saunders, A.R., Noble, I.R., On the relationship between the composition, morphology and function of leaves (1999) Functional Ecology, 13, pp. 696-710; Shipley, B., (2000) Cause and Correlation in Biology: A User's Guide to Path Analysis, Structural Equations, and Causal Inference, , Cambridge University Press, Cambridge, UK; Shipley, B., A new inferential test for path models based on directed acyclic graphs (2000) Structural Equation Modeling, 7, pp. 206-218; Shipley, B., Testing recursive path models with correlated errors using d-separation (2003) Structural Equation Modeling, 10, pp. 214-221; Spirtes, P., Glymour, C., Scheines, R., (2000) Causation, Prediction, and Search. Second Edition, , MIT Press, Cambridge, Massachusetts, USA; Wishart, J., Sampling errors in the theory of two factors (1928) British Journal of Psychology, 19, pp. 180-187; Wright, I.J., Assessing the generality of global leaf trait relationships (2005) New Phytologist, 166, pp. 485-496; Wright, I.J., The worldwide leaf economics spectrum (2004) Nature, 428, pp. 821-827. },
    ABSTRACT = { Recent work has identified a worldwide "economic" spectrum of correlated leaf traits that affects global patterns of nutrient cycling and primary productivity and that is used to calibrate vegetation-climate models. The correlation patterns are displayed by species from the arctic to the tropics and are largely independent of growth form or phylogeny. This generality suggests that unidentified fundamental constraints control the return of photosynthates on investments of nutrients and dry mass in leaves. Using novel graph theoretic methods and structural equation modeling, we show that the relationships among these variables can best be explained by assuming (1) a necessary trade-off between allocation to structural tissues versus liquid phase processes and (2) an evolutionary tradeoff between leaf photosynthetic rates, construction costs, and leaf longevity. © 2006 by the Ecological Society of America. },
    KEYWORDS = { Comparative ecology Leaf life span Leaf longevity Leaf mass per area, LMA Leaf nitrogen content Net photosynthetic rate Path analysis Specific leaf area, SLA Structural equations modeling, SEM Vanishing tetrads },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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