MakelaHariBerningerEtAl2004

Référence

Makela, A., Hari, P., Berninger, F., Hanninen, H., Nikinmaa, E. (2004) Acclimation of photosynthetic capacity in Scots pine to the annual cycle of temperature. Tree Physiology, 24(4):369-376.

Résumé

Coniferous trees growing in the boreal and temperate zones have a clear annual cycle of photosynthetic activity. A recent study demonstrated that the seasonal variation in photosynthetic capacity of Scots pine (Pinus sylvestris L.) could be attributed mainly to the light response curve of photosynthesis. The magnitude of the light response curve varied over the season while its shape remained constant, indicating that the two physiological parameters quantifying the curve -the quantum yield per unit internal carbon dioxide concentration and the corresponding light-saturated rate - remained proportional to each other. We now show, through modeling studies, that the quantum yield (and hence the light-saturated rate) is related to the annual cycle of temperature through a delayed dynamic response. The proposed model was tested by comparing model results with intensive measurements of photosynthesis and driving variables made from April to October in three shoots of Scots pine growing near the northern timberline. Photosynthetic capacity showed considerable acclimation during the growing season. A single model describing photosynthetic capacity as a reversible, first-order delay process driven by temperature explained most of the variation in photosynthetic capacity during the year. The proposed model is simpler but no less accurate than previous models of the annual cycle of photosynthetic capacity.

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@ARTICLE { MakelaHariBerningerEtAl2004,
    AUTHOR = { Makela, A. and Hari, P. and Berninger, F. and Hanninen, H. and Nikinmaa, E. },
    TITLE = { Acclimation of photosynthetic capacity in Scots pine to the annual cycle of temperature },
    JOURNAL = { Tree Physiology },
    YEAR = { 2004 },
    VOLUME = { 24 },
    PAGES = { 369-376 },
    NUMBER = { 4 },
    NOTE = { 0829318X (ISSN) Cited By (since 1996): 13 Export Date: 24 April 2007 Source: Scopus CODEN: TRPHE Language of Original Document: English Correspondence Address: Ma?kela?, A.; Department of Forest Ecology; University of Helsinki; P.O. Box 27 FIN-00014 Helsinki, Finland; email: annikki.makela@helsinki.fi References: Arnold, C.Y., The determination and significance of the base temperature in a linear heat unit system (1959) Proc. Am. Soc. Hortic. Sci., 74, pp. 430-445; Bergh, J., Linder, S., Effects of soil warming during spring on photosynthetic recovery in boreal Norway spruce stands (1999) Global Change Biol., 5, pp. 245-254; Bergh, J., McMurtrie, R.E., Linder, S., Climatic factors controlling the productivity of Norway spruce: A model-based analysis (1998) For. Ecol. Manage., 110, pp. 127-139; Cowan, I.R., Farquhar, G.D., Stomatal function in relation to leaf metabolism and environment (1977) Soc. Exp. Biol. Symp., 31, pp. 471-505; Ha?kkinen, R., Linkosalo, T., Hari, P., Effects of dormancy and environmental factors on timing of bud burst in Betula pendula (1998) Tree Physiol., 18, pp. 707-712; Ha?nninen, H., Hari, P., Recovery of photosynthesis of boreal conifers during spring: A comparison of two models (2002) For. Ecol. Manage., 169, pp. 53-64; Hari, P., Ma?kela?, A., Annual pattern of photosynthesis of Scots pine in the boreal zone (2003) Tree Physiol., 23, pp. 145-155; Hari, P., Ma?kela?, A., Korpilahti, E., Holmberg, M., Optimal control of gas exchange (1986) Tree Physiol., 2, pp. 169-175; Hari, P., Keronen, P., Ba?ck, J., Altimir, N., Linkosalo, T., Pohja, T., Kulmala, M., Vesala, T., An improvement of the method for calibrating measurements of photosynthetic CO2 flux (1999) Plant Cell Environ., 22, pp. 1297-1301; Huner, N.P.A., O?quist, G., Sarhan, F.M., Energy balance and acclimation to light and cold (1998) Trends Plant Sci., 3, pp. 224-230; Johnson, I.R., Thornley, J.H.M., Temperature dependence of plant and crop processes (1985) Ann. Bot., 55, pp. 1-24; Krivosheeva, A., Tao, D.L., Ottander, C., Wingsle, G., Dube, S.L., O?quist, G., Cold acclimation and photoinhibition of photosynthesis in Scots pine (1996) Planta, 200, pp. 296-305; Lamontagne, M., Margolis, H., Bigras, F., Photosynthesis of black spruce, jack pine, and trembling aspen after artificially induced frost during the growing season (1998) Can. J. For. Res., 28, pp. 1-12; Linder, S., Lohammar, T., Amount and quality of information on CO2 exchange required for estimating annual carbon balance of coniferous trees (1981) Studia For. Suecica, 60, pp. 73-87. , Understanding and Predicting Tree Growth. Ed. S. Under; Luxmoore, R.J., A source-sink framework for coupling water, carbon, and nutrient dynamics of vegetation (1991) Tree Physiol., 9, pp. 267-280; Ma?kela?, A., Berninger, F., Hari, P., Optimal control of gas exchange during drought (1996) Theoretical Analysis. Ann. Bot., 77, pp. 461-467; Pelkonen, P., Hari, P., The dependence of the springtime recovery of CO2 uptake in Scots pine on temperature and internal factors (1980) Flora, 169, pp. 398-404; Pisek, A., Winkler, E., Assimilationsvermo?gen und Respiration der Fichte (Picea excelsa Link) in verschiedener Ho?henlage und der Zirbe (Pinus cembra L.) an der alpinen Waldgrenze (1958) Planta, 51, pp. 518-543; Polster, H., Fuchs, S., Winterassimilation und -Atmung der Kiefer (Pinus silvestris L.) im mitteldeutschen Binnenlandklima (1963) Arch. Forst., 12, pp. 1011-1024; Repo, T., Ma?kela?, A., Ha?nninen, H., Modelling frost resistance of trees (1990) Silva Carelica, 15, pp. 61-74. , Modelling to Understand Forest Functions. Ed. H. Jozefek; Sarvas, R., The annual period of development of forest trees (1967) Proc. Finn. Acad. Sci. Lett., 1965, pp. 211-231; Schaberg, P.G., Wilkinson, R.C., Shane, J.B., Donnelly, J.R., Cali, P.F., Winter photosynthesis of red spruce from three Vermont seed sources (1995) Tree Physiol., 15, pp. 345-350; Sofronova, G., Kaipiainen, L., Dynamics of carbohydrate distribution in Scots pine (1996) Acta For. Fenn., pp. 21-26. , Production Process of Scots Pine; Geographical Variation and Models. Eds. P. Hari, J. Ross and M. Mecke; Stitt, M., Krapp, A., The interaction between elevated carbon dioxide and nitrogen nutrition: The physiological and molecular background (1999) Plant Cell Environ., 22, pp. 583-621; Turnbull, M.H., Murthy, R., Griffin, K.L., The relative impacts of daytime and night-time warming on photosynthetic capacity in Populus deltoides (2002) Plant Cell Environ., 25, pp. 1729-1737; Wieser, G., Seasonal variation of leaf conductance in subalpine Pinus cembra during the winter months (2000) Phyton, 40, pp. 185-190. },
    ABSTRACT = { Coniferous trees growing in the boreal and temperate zones have a clear annual cycle of photosynthetic activity. A recent study demonstrated that the seasonal variation in photosynthetic capacity of Scots pine (Pinus sylvestris L.) could be attributed mainly to the light response curve of photosynthesis. The magnitude of the light response curve varied over the season while its shape remained constant, indicating that the two physiological parameters quantifying the curve -the quantum yield per unit internal carbon dioxide concentration and the corresponding light-saturated rate - remained proportional to each other. We now show, through modeling studies, that the quantum yield (and hence the light-saturated rate) is related to the annual cycle of temperature through a delayed dynamic response. The proposed model was tested by comparing model results with intensive measurements of photosynthesis and driving variables made from April to October in three shoots of Scots pine growing near the northern timberline. Photosynthetic capacity showed considerable acclimation during the growing season. A single model describing photosynthetic capacity as a reversible, first-order delay process driven by temperature explained most of the variation in photosynthetic capacity during the year. The proposed model is simpler but no less accurate than previous models of the annual cycle of photosynthetic capacity. },
    KEYWORDS = { Annual cycle Dynamic model Optimal stomatal control Shoot photosynthesis acclimation annual cycle coniferous tree photosynthesis temperature Pinus sylvestris },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.04 },
}

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