Direct and indirect measurements of LAI in millet and fallow vegetation in HAPEX-Sahel

Agricultural and Forest Meteorology

Volumn 97, Issue 3, 1999, Pages 199-212

  Levy, P E ^a   Jarvis, P G ^a  

^a UNIVERSITY OF EDINBURGH   (United Kingdom)

Author keywords

Beam transmittance; Direct sunlight; Hemispherical photography; Plant canopies; Plant surface area

Indexed keywords

EID: 0033581822     PISSN: 01681923     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0168-1923(98)00092-6     Document Type: Article

References (31)

1. Allen L.H., Yocum C.S., Lemon E.R. Photosynthesis under field conditions: VII. Radiant energy exchange. Agronomy J. 56:1964;253-259.
2. Allen S.J., Wallace J.S., Gash J.H.C., Sivakumar M.V.K. Measurements of albedo variation over natural vegetation in the Sahel. Int. J. Climatol. 14:1994;625-636.
3. Anderson M.C. Stand structure and light penetration. II. A theoretical analysis. J. Appl. Ecol. 3:1966;41-54.
4. Bolstad P.V., Gower S.T. Estimations of leaf area index in 14 southern Wisconsin forest stands using a portable radiometer. Tree Physiol. 7:1990;115-124.
5. Bonhomme R., Varlet Grancher C., Chartier P. The use of hemispherical photographs for determining the leaf area index of young crops. Photosynthetica. 8:1974;299-301.
6. Campbell C.S. Extinction coefficients for radiation in plant canopies calculated using an ellipsoidal inclination angle distribution. Agric. For. Meteorol. 36:1986;317-321.
7. Campbell, C.S., Norman, J.M., 1989. The description and measurement of plant canopy structure. In: Russell, C., Marshall, B., Jarvis, P.G. (Eds.), Plant Canopies: Their Growth, Form and Function. Cambridge University Press, Cambridge, pp. 1-19.
8. Chen J.M., Black T.A., Adams R.S. Evaluation of hemispherical photography for determining plant area index and geometry of a forest stand. Agric. For. Meteorol. 56:1991;129-143.
9. Chen J.M., Rich P.M., Gower S.T., Norman J.M., Plummer S. Leaf area index of boreal forests: theory, techniques, techniques and measurements. J. Geophys. Res. Atmos. 102:1997;29429-29443.
10. Decagon Devices Inc, 1988. Sunfleck Ceptometer User's Manual. Decagon Devices Inc., Pullman.
11. Fassnacht K.S., Gower S.T., Norman J.M., McMurtrie R.E. A comparison of optical and direct-methods for estimating foliage surface-area index in forests. Agric. For. Meteorol. 71:1994;183-207.
12. Gazarini L.C., Araujo M.C.C., Borralho N., Pereira J.S. Plant area index in Eucalyptus giobulus plantations determined indirectly by a light interception method. Tree Physiol. 7:1990;107-114.
13. Goutrbe J.P., Lebel Dolman A.J., Gash J.H.C., Kabat P., Kerr Y.H., Monteny B., Prince S., Stricker J.N.M., Tinga T., Wallace J.S. An overview of HAPEX-Sahel: a study in climate and desertification. J. Hydrol. 188-189:1997;4-17.
14. Jarvis, PG., Leverenz, J.W., 1983. Productivity of temperate deciduous, evergreen forests. In: Lange, O.L., Nobel, P.S., Osmond, C.B., Ziegler, H. (Eds.), Encyclopaedia of Plant Physiology, vol. 12 (D). Springer, Berlin, pp. 233-280.
15. Kucharik C.J., Norman J.M., Murdock L.M., Cower S.T. Characterizing canopy nonrandomness with a multiband vegetation imager (MVI). J. Geophys. Res. (Atmos). 102:1997;29455-29473.
16. Lang A.R.G. Simplified estimates of leaf area index from transmittance of the sun's beam. Agric. For. Meteorol. 41:1987;179-186.
17. Lang A.R.G., Xiang Y.Q. Estimation of leaf area index from transmission of direct sunlight in discontinuous canopies. Agric. For. Meteorol. 37:1986;229-243.
18. Lang A.R.G., Xiang Y.Q., Norman J.M. Crop structure and the penetration of direct sunlight. Agric. For. Meteorol. 35:1985;83-101.
19. 2 fluxes at leaf and canopy scale at the HAPEX-Sahel southern super-site. J. Hydrol. 188-189:1997;612-632.
20. Monsi M., Saeki T. Uben den Lichtfaktor in den Pflanzengesellschaften und seine Bedeutung fur die Stoff produktion. Jpn. J. Bot. 14:1953;22-52.
21. Monteith, J.L., 1969. Light interception and radiative exchange in crop stands. In: Eastin, J.D., Haskins, F.A., Sullivan, C.Y., van Bavel, C.H.M. (Eds.), Physiological Aspects of Crop Yield. American Society of Agronomy, Madison, USA, pp. 89-110.
22. Norman, J.M., Campbell, G.S., 1989. Canopy structure. In: Pearcy, R.W., Ehleringer, J., Mooney, H.A., Rundel, P.W. (Eds.), Plant Physiological Ecology: Field Methods and Instrumentation. Chapman and Hall, London, pp. 301-326.
23. Norman J.M., Jarvis P.C. Photosynthesis in Sitka spruce (Picea sitchensis (Bong.) Carr.). III. Measurement of canopy structure and interception of radiation. J. Appl. Ecol. 11:1974;375-398.
24. Pierce L.L., Running S.W. Rapid estimation of LAI using a portable integrating radiometer. Ecology. 69:1988;1762-1767.
25. Sellers P.J., Los S.O., Tucker C.J., Justice C.O., Dazlich D.A., Collatz G.J., Randall D.A. A global 1 by 1 degree NDVI data set for climate studies. Part 2. The generation of global fields of terrestrial biophysical parameters from the NDVI. Int. J. Remote Sens. 15:1994;3519-3545.
26. Sommer K.J., Lang A.R.G. Comparative analysis of two indirect methods of measuring leaf area index as applied to minimal and spur pruned grape vines. Aus. J. Plant Physiol. 21:1994;197-206.
27. Vose J.M., Swank W.T. Assessing seasonal LAI dynamics and vertical leaf area distribution in eastern white pine with a portable light meter. Tree Physiol. 7:1990;125-134.
28. Wallace, J.S., Brouwer, J., Allen, S.J., Banthorpe, D., Blyth, E.M., Blyth, K., Bromley, J., Buerkert, A.C., Cantwell, M., Cooper, J.D., Cropley, F.D., CuIf, A.D., Dolman, A.J., Dugdale, G., Gash, J.H.C., Gaze, S.R., Harding, R.J., Harrison, R.G., Holwill, C.J., Jarvis, P.G., Levy, P.E., Lloyd, C.R., Malhi, Y.S., Massheder, J.M., Moncrieff, J.B., Pearson, D., Settle, J.J., Sewell, I.J., Sivakumar, M.V.K., Sudlow, J.D., Taylor, C.M., Wilson, A.K., 1994. HAPEX-Sahel Southern Supersite Report: an overview of the site and the experimental programme during the intensive observation period in 1992. Institute of Hydrology, Wallingford, UK.
29. Wang Y.S., Miller D.R. Calibration of the hemispherical photographic technique to measure LAI distributions in hardwood forests. For. Sci. 33. 1987;210-216.
30. Wang, Y.P., McMurtrie, RE., Landsberg, J.J., 1992. Modelling canopy photosynthetic productivity. In: Baker, N.R., Thomas, H. (Eds.), Crop Photosynthesis: Spatial and Temporal Determinants. Elsevier, Amsterdam. pp. 43-67.
31. Whitford K.R., Colquhoun I.J., Lang A.R.G., Harper B.M. Measuring leaf-area index in a sparse eucalypt forest - a comparison of estimates from direct measurement, hemispherical photography, sunlight transmittance and allometric regression. Agric. For. Meteorol. 74:1995;237-249.