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REFERENCES

  • Aubinet M., Grelle A., Ibrom A., et al. (2000) Estimates of the annual net carbon and water exchange of forests: the EUROFLUX methodology. Advances in Ecological Research 30, 113175.
  • Baldocchi D.D. & Harley P.C. (1995) Scaling carbon dioxide and water vapour exchange from leaf to canopy in a deciduous forest. II. Model testing and application. Plant, Cell and Environment 18, 11571173.
  • Campbell G.S. (1986) Extinction coefficients for radiation in plant canopies calculated using an ellipsoidal inclination angle distribution. Agricultural and Forest Meteorology 36, 317321.
  • Campbell G.S. & Norman J.M. (1989) The description and measurement of plant canopy structure. In Plant Canopies: Their Growth, Form and Function (eds G.Russel, B.Marshall & P.G.Jarvis), pp. 119. Cambridge University Press, Cambridge, UK.
  • Carter G.A. & Smith W.K. (1985) Influence of shoot structure on light interception and photosynthesis in conifers. Plant Physiology 79, 10381043.
  • Cescatti A. (1998) Effects of needle clumping in shoots and crowns on the radiative regime of a Norway spruce canopy. Annales des Sciences Forestières 55, 89102.
  • Chen J.M. (1996) Optically-based methods for measuring seasonal variation of leaf area index in boreal conifer stands. Agricultural and Forest Meteorology 80, 135163.
  • Chen J.M. & Black T.A. (1992) Defining leaf area index for non-flat leaves. Plant, Cell and Environment 15, 421429.
  • Farquhar G.D. (1989) Models of integrated photosynthesis of cells and leaves. Philosophical Transactions of the Royal Society of London 323, 357367.
  • Frazer G.W., Canham C.D. & Lertzman K.P. (1999) Gap Light Analyzer (GLA), Version 2.0: Imaging Software to Extract Canopy Structure and Gap Light Transmission Indices from True-Colour Fisheye Photographs, Users Manual and Program Documentation. Simon Fraser University, Burnaby, British Columbia, Canada and Institute of Ecosystem Studies, Millbrook, NY, USA.
  • Gower S.T. & Norman J.M. (1991) Rapid estimation of leaf area index in conifer and broad-leaf plantations. Ecology 72, 18961900.
  • Leverenz J.W. & Hinckley T.M. (1990) Shoot structure, leaf area index and productivity of evergreen conifer stands. Tree Physiology 6, 135149.
  • Leverenz J.W. & Jarvis P.G. (1980) Photosynthesis in Sitka spruce (Picea sitchensis (Bong.) Carr.). IX. The relative contribution made by needles at various positions in the shoot. Journal of Applied Ecology 17, 5968.
  • Niinemets Ü. & Kull O. (1995a) Effects of light availability and tree size on the architecture of assimilative surface in the canopy of Picea abies: variation in shoot structure. Tree Physiology 15, 791798.
  • Niinemets Ü. & Kull O. (1995b) Effects of light availability and tree size on the architecture of assimilative surface in the canopy of Picea abies: variation in needle morphology. Tree Physiology 15, 307315.
  • Nilson T. (1971) A theoretical analysis of the frequency of gaps in plant stands. Agricultural Meteorology 8, 2538.
  • Nilson T. & Ross J. (1997) Modeling radiative transfer through forest canopies: implications for canopy photosynthesis and remote sensing. In The Use of Remote Sensing in the Modeling of Forest Productivity (eds H.L.Gholz, K.Nakane & H.Shimoda), pp. 2360. Kluwer Academic Publishers, Dordrecht, The Netherlands.
  • Norman J.M. & Jarvis P.G. (1974) Photosynthesis in Sitka spruce (Picea sitchensis (Bong.) Carr.). III. Measurements of canopy structure and interception of radiation. Journal of Applied Ecology 11, 375398.
  • Oker-Blom P. (1985) Photosynthesis of a Scots pine shoot: simulation of the irradiance distribution and photosynthesis of a shoot in different radiation fields. Agricultural and Forest Meteorology 34, 3140.
  • Oker-Blom P. (1986) Photosynthetic radiation regime and canopy structure in modeled forest stands. Acta Forostalia Fennica 197, 144.
  • Oker-Blom P. & Kellomäki S. (1983) Effect of grouping of foliage on the within-stand and within-crown light regime: comparison of random and grouping models. Agricultural Meteorology 28, 143155.
  • Oker-Blom P. & Smolander H. (1988) The ratio of shoot silhouette area to total needle area in Scots pine. Forest Science 34, 894906.
  • Oker-Blom P., Lappi J. & Smolander H. (1991) Radiation regime and photosynthesis of coniferous stands. In Photon–Vegetation Interactions. Applications in Optical Remote Sensing and Plant Ecology (eds R.B.Myneni & J.Ross), pp. 469499. Springer-Verlag, Berlin, Germany.
  • Palmroth S., Palva L., Stenberg P. & Kotisaari A. (1999) Fine scale measurement and simulation of penumbral radiation formed by a pine shoot. Agricultural and Forest Meteorology 95, 1525.
  • Ross J. (1981) The Radiation Regime and Architecture of Plant Stands. Dr W. Junk, The Hague, The Netherlands.
  • Smith W.K. & Carter G.A. (1988) Shoot structural effects on needle temperatures and photosynthesis in conifers. American Journal of Botany 75, 496500.
  • Smolander H., Oker-Blom P., Ross J., Kellomäki S. & Lahti T. (1987) Photosynthesis of a Scots pine shoot: test of a shoot photosynthesis model in a direct radiation field. Agricultural and Forest Meteorology 39, 6780.
  • Smolander H., Stenberg P. & Linder S. (1994) Dependence of light interception efficiency of Scots pine shoots on structural parameters. Tree Physiology 14, 971980.
  • Sprugel D.G., Brooks J.R. & Hinckley T.M. (1996) Effects of light on shoot geometry and needle morphology in Abies amabilis. Tree Physiology 16, 9198.
  • Stenberg P. (1995) Penumbra in within-shoot and between-shoot shading in conifers and its significance for photosynthesis. Ecological Modelling. 77, 215231.
  • Stenberg P. (1996a) Simulations of the effects of shoot structure and orientation on vertical gradients in intercepted light by conifer canopies. Tree Physiology 16, 99108.
  • Stenberg P. (1996b) Correcting LAI-2000 estimates for the clumping of needles in shoots of conifers. Agricultural and Forest Meteorology 79, 18.
  • Stenberg P., Kangas T., Smolander H. & Linder S. (1999) Shoot structure, canopy openness, and light interception in Norway spruce. Plant, Cell and Environment 22, 11331142.
  • Stenberg P., Smolander H., Sprugel D. & Smolander S. (1998) Shoot structure, light interception, and distribution of nitrogen in an Abies amabilis canopy. Tree Physiology 18, 759767.
  • Wang Y.P. & Jarvis P.G. (1993) Influence of shoot structure on the photosynthesis of Sitka spruce (Picea sitchensis). Functional Ecology 7, 433451.
  • Weiss A. & Norman J.M. (1985) Partitioning solar radiation into direct and diffuse, visible and near-infrared components. Agricultural and Forest Meteorology 34, 205213.