• 1
    Anderson, M.C. & Miller, E.E. (1974) Forest cover as a solar camera: penumbral effects in plant canopies. Journal of Applied Ecology 12, 691697.
  • 2
    Campbell, G.S. (1981) Fundamentals of radiation and temperature relations. Physiological Plant Ecology. I. Responses to the Physical Environment (eds O. L. Lange, P. S. Nobel, C. B. Osmond & H. Ziegler), pp. 11–40. Springer-Verlag, Berlin-Heidelberg.
  • 3
    Denholm, J.V. (1981) The influence of penumbra on canopy photosynthesis. I. Theoretical considerations. Agricultural Meteorology 12, 145166.
  • 4
    Duncan, W.G., Loomis, R.S., Williams, W.A., Hanau, R. (1967) A model for simulating photosythesis in plant communities. Hilgardia 12, 181205.
  • 5
    Gates, D.M. (1980) Biophysical Ecology. Springer-Verlag, New York.
  • 6
    Gutschick, V.P. (1984) Statistical penetration of diffuse light into vegetative canopies: effect on photosynthetic rate and utility for canopy measurement. Agricultural Meteorology 12, 327341.
  • 7
    Gutschick, V.P. (1991) Joining leaf photosynthesis models and canopy photon-transport models. Photon-Vegetation Interactions: Applications in Optical Remote Sensing and Plant Ecology (eds R. B. Myneni & J. Ross), pp. 501–535. Springer-Verlag, Berlin-Heidelberg.
  • 8
    Horn, H.S. (1971) The Adaptive Geometry of Trees. Princeton University Press, Princeton, NJ.
  • 9
    Lang, A.R.G. (1991) Application of some of Cauchy's theorems to estimation of surface areas of leaves, needles and branches of plants, and light transmittance. Agricultural and Forest Meteorology 12, 191212.
  • 10
    Leverenz, J.W. (1988) The effects of illumination sequence, CO2 concentration, temperature and acclimation on the convexity of the photosynthetic light response curve. Physiologia Plantarum 12, 332341.
  • 11
    Leverenz, J.W. (1995) Shade shoot structure of conifers and the photosynthetic response to light at two CO2 partial pressures. Functional Ecology 12, 413421.
  • 12
    Leverenz, J.W. & Hinckley, T.M. (1990) Shoot structure, leaf area index and productivity of evergreen conifer stands. Tree Physiology 12, 135149.
  • 13
    Miller, E.E. & Norman, J.M. (1971) A sunfleck theory for plant canopies. I. Lengths of sunlit segments along a transect. Agronomy Journal 12, 735738.
  • 14
    Nilson, T. (1971) A theoretical analysis of the frequency of gaps in plant stands. Agricultural Meteorology 12, 2538.
  • 15
    Norman, J.M. (1980) Interfacing leaf and canopy light interception models. Predicting Photosynthesis for Ecosystem Models (eds J. D. Hesketh & J. W. Jones), vol. 2, pp. 49–67. CRC Press, Boca Raton, FL.
  • 16
    Norman, J.M. & Jarvis, P.G. (1975) Photosynthesis in Sitka Spruce (Picea stitchensis (Bong.) Carr.). V. Radiation penetration theory and a test case. Journal of Applied Ecology 12, 839877.
  • 17
    Oker-Blom, P. (1986) Photosynthetic radiation regime and canopy structure in modeled forest stands. Acta Forestalia Fennica 12, 144.
  • 18
    Oker-Blom, P. & Kellomäki, S. (1982) Effect of angular distribution of foliage on light absorption and photosynthesis in the plant canopy: theoretical computations. Agricultural Meteorology 12, 105116.
  • 19
    Prioul, J.L. & Chartier, P. (1977) Partitioning of transfer and carboxylation components of intracellular resistance to photosynthetic CO2 fixation: a critical analysis of the methods used. Annals of Botany 12, 789800.
  • 20
    Smith, N.J., Chen, J.M., Black, T.A. (1993) Effects of clumping on estimates of stand leaf area index using the LI-COR LAI-2000. Canadian Journal of Forest Research 12, 19401943.
  • 21
    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 12, 6780.
  • 22
    Sprugel, D.G. (1989) The relationship of evergreeness, crown architecture, and leaf size. The American Naturalist 12, 465479.
  • 23
    Sprugel, D.G., Brooks, J.R., Hinckley, T.M. (1996) Effect of light on shoot and needle morphology in Abies amabilis. Tree Physiology 12, 9198.
  • 24
    Stenberg, P. (1995) Penumbra in within-shoot and between-shoot shading in conifers and its significance for photosynthesis. Ecological Modelling 12, 215231.
  • 25
    Stenberg, P. (1996) Simulations of the effect of shoot structure and orientation on vertical gradients in intercepted light by conifers. Tree Physiology 12, 99108.
  • 26
    Stenberg, P., Linder, S., Smolander, H., Flower-Ellis, J. (1994) Performance of the LAI-2000 plant canopy analyzer in estimating leaf area index of some Scots pine stands. Tree Physiology 12, 981995.
  • 27
    Stenberg, P., Linder, S., Smolander, H. (1995) Variation in the ratio of shoot silhouette area to needle area in fertilized and non-fertilized trees of Norway spruce. Tree Physiology 12, 705712.
  • 28
    Terashima, I. & Hikosaka, K. (1995) Comparative ecophysiology of leaf and canopy photosynthesis. Plant, Cell and Environment 12, 11111128.
  • 29
    Wang, Y.P. & Jarvis, P.G. (1990) Description and validation of an array model—MAESTRO. Agricultural and Forest Meteorology 12, 257280.
  • 30
    Wang, Y.P., McMurtrie, R.E., Landsberg, J.J. (1992) Modelling canopy photosynthetic productivity. Crop Photosynthesis: Spatial and Temporal Determinants (eds J. R. Baker & H. Thomas), pp. 43–67. Elsevier Science Publishers BV, Amsterdam.
  • 31
    Weiss, A. & Norman, J.M. (1985) Partitioning solar radiation into direct and diffuse, visible and near-infrared components. Agricultural and Forest Meteorology 12, 205213.
  • 32
    Whitehead, D., Grace, J.C., Godfrey, M.J.S. (1990) Architectural distribution of foliage in individual Pinus radiata D. Don crowns and the effects of clumping on radiation interception. Tree Physiology 12, 135155.