Berninger1997

Référence

Berninger, F. (1997) Effects of drought and phenology on GPP in Pinus sylvestris: A simulation study along a geographical gradient. Functional Ecology, 11(1):33-42.

Résumé

1. A simple canopy model was developed for Scots Pine (Pinus sylvestris L.) and applied to a transect of six meteorological stations in Europe. The model accounts for possible genetic adaptation of phenology of photosynthesis to the local climate and to decreases of gas exchange owing to drought. 2. Simulations accounting for adaptation of phenology to the local climate differed up to 20% from simulations using the same phenology parameter values for all locations. 3. A temperature increase of 3 °C and a doubling of the CO2 concentration, while adjusting the photosynthesis parameters to give approximately the observed changed photosynthesis of +30%, also increased the length of the growing season by 23-42%. Combination of increases in the rate of photosynthesis and the length of the growing season resulted in increases of yearly Gross Primary Productivity (GPP) from 72 to 101%. Increases in transpiration were smaller. 4. A decrease of the precipitation by 25% reduced this increase to 54-64%. 5. The relative magnitude of the simulated increases in GPP was similar for locations representing boreal, temperate and mediterranean climates.

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@ARTICLE { Berninger1997,
    AUTHOR = { Berninger, F. },
    TITLE = { Effects of drought and phenology on GPP in Pinus sylvestris: A simulation study along a geographical gradient },
    JOURNAL = { Functional Ecology },
    YEAR = { 1997 },
    VOLUME = { 11 },
    PAGES = { 33-42 },
    NUMBER = { 1 },
    NOTE = { 02698463 (ISSN) Cited By (since 1996): 14 Export Date: 24 April 2007 Source: Scopus CODEN: FECOE Language of Original Document: English Correspondence Address: Berninger, F.; Department of Forest Ecology; University of Helsinki; PO Box 24 00014 Helsinki, Finland References: Berninger, F., Simulated irradiance and temperature estimates as a possible source of bias in the simulation of photosynthesis (1994) Agricultural and Forest Meteorology, 71, pp. 19-32; Berninger, F., Hari, P., Optimal regulation of gas exchange: Evidence from field data (1993) Annals of Botany, 71, pp. 135-140; Berninger, F., Ma?kela?, A., Hari, P., Optimal control of gas exchange during drought: Empirical evidence (1996) Annals of Botany, 77, pp. 469-476; Beuker, E., Adaptation to climatic changes of the timing of budburst in populations of Pinus sylvestris L. and Picea abies (L.) Karst (1994) Trees, 14, pp. 961-970; Braatne, J.H., Hinckley, T.M., Stettier, R.F., Influence of soil water on the physiological and morphological components of plant water balance in Populus trichocarpa, Populus deltoides and their F1 hybrids (1992) Tree Physiology, 11, pp. 325-339; Bunce, J.A., Stomatal conductance, photosynthesis and respiration of temperate deciduous tree seedlings grown outdoors at an elevated concentration of carbon dioxide (1992) Plant, Cell and Environment, 15, pp. 541-549; Von Caemmerer, S., Farquhar, G.D., Some relationships between the biochemistry of photosynthesis and the gas exchange of leaves (1982) Planta, 153, pp. 376-387; Carlisle, A., A guide to the named variants of Scots Pine (Pinus sylvestris Linnaeus) (1958) Forestry, 24, pp. 203-224; Ceulemans, R., Mousseau, M., Effects of elevated atmospheric CO2 on woody plants (1994) New Phytologist, 127, pp. 425-446; Cowan, I.R., Stomatal behavior and the environment (1977) Advances of Botanical Research, 4, pp. 117-227; Cowan, I.R., Water use and the optimization of carbon assimilation (1982) Encyclopedia of Plant Physiology, 12 B, pp. 589-630. , (eds O. L. Lange, P. S. Nobel, C. B. Osmond \& H. Ziegler), Springer Verlag, Berlin; Dolman, A.J., Stewart, J.B., Cooper, J.D., Prediciting forest transpiration from climatological data (1988) Agricultural and Forest Meteorology, 42, pp. 339-353; Eamus, D., Jarvis, P.G., The direct effects of increase in the global atmospheric CO2 concentration on natural and commercial temperate trees and forests (1989) Advances in Ecological Research, 19, pp. 1-55; (1995) Environment and Climate, Call for Proposals, 64p. , European Union; Granier, A., Lousteau, D., Measuring and modelling the transpiration of a maritime pine canopy form sap-flow data (1994) Agricultural and Forest Meteorology, 71, pp. 61-81. },
    ABSTRACT = { 1. A simple canopy model was developed for Scots Pine (Pinus sylvestris L.) and applied to a transect of six meteorological stations in Europe. The model accounts for possible genetic adaptation of phenology of photosynthesis to the local climate and to decreases of gas exchange owing to drought. 2. Simulations accounting for adaptation of phenology to the local climate differed up to 20% from simulations using the same phenology parameter values for all locations. 3. A temperature increase of 3 °C and a doubling of the CO2 concentration, while adjusting the photosynthesis parameters to give approximately the observed changed photosynthesis of +30%, also increased the length of the growing season by 23-42%. Combination of increases in the rate of photosynthesis and the length of the growing season resulted in increases of yearly Gross Primary Productivity (GPP) from 72 to 101%. Increases in transpiration were smaller. 4. A decrease of the precipitation by 25% reduced this increase to 54-64%. 5. The relative magnitude of the simulated increases in GPP was similar for locations representing boreal, temperate and mediterranean climates. },
    KEYWORDS = { Acclimation adaptation climate change geographical variation carbon dioxide enrichment drought phenology photosynthesis primary productivity Scots pine Europe Pinaceae Pinus sylvestris },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.04 },
}

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