MezianeShipley2001

Référence

Meziane, D. and Shipley, B. (2001) Direct and indirect relationships between specific leaf area, leaf nitrogen and leaf gas exchange. Effects of irradiance and nutrient supply. Annals of Botany, 88(5):915-927.

Résumé

We present a series of competing path models relating interspecific patterns between specific leaf area, leaf nitrogen content, net photosynthesis and stomatal conductance and test these against data from 22 species of herbaceous plants grown under controlled conditions with contrasting irradiance and nutrient supply rates. We then compare these results with two previous data sets, one based on field measures and one based on glasshouse measures, to determine the robustness of the results. Only one model was able to account for the patterns of direct and indirect effects between the four variables to all data sets. In this model specific leaf area is the forcing variable that directly affects both leaf nitrogen levels and net photosynthetic rates. Leaf nitrogen then directly affects net photosynthetic rates which in turn then affect stomatal conductance to water. © 2001 Annals of Botany Company.

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@ARTICLE { MezianeShipley2001,
    AUTHOR = { Meziane, D. and Shipley, B. },
    TITLE = { Direct and indirect relationships between specific leaf area, leaf nitrogen and leaf gas exchange. Effects of irradiance and nutrient supply },
    JOURNAL = { Annals of Botany },
    YEAR = { 2001 },
    VOLUME = { 88 },
    PAGES = { 915-927 },
    NUMBER = { 5 },
    NOTE = { 03057364 (ISSN) Cited By (since 1996): 10 Export Date: 26 April 2007 Source: Scopus CODEN: ANBOA doi: 10.1006/anbo.2001.1536 Language of Original Document: English Correspondence Address: Shipley, B.; De?partement de Biologie; Universite? de Sherbrooke Sherbrooke, Que. J1K 2R1, Canada; email: bshipley@courrier.usherb.ca References: Cowan, I.R., Farquhar, G.D., Stomatal function in relation to leaf metabolism environment (1977) Integration of activity in the higher plant, pp. 471-505. , Jennings DH, ed. Cambridge: Cambridge University Press; Field, C., Mooney, H.A., The photosynthesis-nitrogen relationship in wild plants (1986) On the economy of plant form and function, pp. 25-55. , Givnish TJ, ed. Cambridge: Cambridge University Press; Garnier, E., Salager, J.-L., Laurent, G., Sonie?, L., Relationships between photosynthesis, nitrogen and leaf structure in 14 grass species and their dependence on the basis of expression (1999) New Phytologist, 143, pp. 119-129; Givnish, T.J., (1986) On the economy of plant form and function, , Cambridge: Cambridge University Press; Gleason, H.A., Cronquist, A., (1991) Manual of vascular plants of Northeastern United States and adjacent Canada, , New York: The New York Botanical Garden; Lang, C.A., Simple microdetermination of Kjeldahl nitrogen on biological materials (1962) Annals of Chemistry, 30, pp. 1692-1694; Marie-Victorin, F., (1964) Flore Laurentienne, , Montreal: Les Presses de I'Universite? de Montreal; Meziane, D., Shipley, B., Interacting determinants of specific leaf area in 22 herbaceous species: Effects of irradiance and nutrient availability (1998) Plant. Cell and Environment, 22, pp. 447-459; Meziane, D., Shipley, B., Interacting components of interspecific relative growth rate: Constancy and change under differing conditions of light and nutrient supply (1999) Functional Ecology, 13, pp. 611-622; Mooney, H.A., Field, C., Gulmon, S.L., Bazzaz, F.A., Photosynthetic capacity in relation to leaf position in desert versus old-field annuals (1981) Oecologia, 50, pp. 109-112; Niinemets, U., Tenhunen, J.D., A model separating leaf structural and physiological effects on carbon gain along light gradients for the shade-tolerant species Acer saccharum (1997) Plant. Cell and Environment, 20, pp. 845-866; Peterson, A.G., Reconciling the apparent difference between mass- and area-based expressions of the photosynthesis-nitrogen relationship (1999) Oecologia, 118, pp. 144-150; 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 of the USA, 94, pp. 13730-13734; Reich, P.B., Kloeppel, B.D., Ellsworth, D.S., Walters, M.B., Different photosynthesis-nitrogen relations in deciduous hardwood and evergreen coniferous tree species (1995) Oecologia, 104, pp. 24-30; Reich, P.B., Ellsworth, D.S., Walters, M.B., Vose, J.M., Gresham, C., Volin, J.C., Bowman, W.D., Generality of leaf trait relationships: A test across six biomes (1999) Ecology, 80, pp. 1955-1969; 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., Structured interspecific determinants of specific leaf area in 34 species of herbaceous angiosperms (1995) Functional Ecology, 9, pp. 312-319; Shipley, B., (2000) Cause and correlation in biology: A user's guide to path analysis, structural equations, and causal inference, , Oxford: Oxford University Press; Shipley, B., A new inferential test for path models based on directed acyclic graphs (2000) Structural Equation Modeling, 7, pp. 206-218; Shipley, B., Lechowicz, M.J., The functional coordination of leaf morphology and gas exchange in 40 wetland plant species (2000) Ecoscience, 7, pp. 183-194; Witkowski, E.T.F., Lamont, B.B., Leaf specific mass confounds leaf density and thickness (1991) Oecologia, 88, pp. 486-493. },
    ABSTRACT = { We present a series of competing path models relating interspecific patterns between specific leaf area, leaf nitrogen content, net photosynthesis and stomatal conductance and test these against data from 22 species of herbaceous plants grown under controlled conditions with contrasting irradiance and nutrient supply rates. We then compare these results with two previous data sets, one based on field measures and one based on glasshouse measures, to determine the robustness of the results. Only one model was able to account for the patterns of direct and indirect effects between the four variables to all data sets. In this model specific leaf area is the forcing variable that directly affects both leaf nitrogen levels and net photosynthetic rates. Leaf nitrogen then directly affects net photosynthetic rates which in turn then affect stomatal conductance to water. © 2001 Annals of Botany Company. },
    KEYWORDS = { Comparative ecology Modelling Path analysis Photosynthesis Plant strategies SLA Specific leaf area Stomatal conductance irradiance leaf area nitrogen nutrient availability photosynthesis stomatal conductance },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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