Correcting LAI-2000 estimates for the clumping of needles in shoots of conifers

Agricultural and Forest Meteorology

Volumn 79, Issue 1-2, 1996, Pages 1-8

  Stenberg, Pauline ^a  

^a UNIVERSITY OF HELSINKI   (Finland)

Author keywords

[No Author keywords available]

Indexed keywords

CONIFER NEEDLE; LAI-2000 ANALYSER; LEAF AREA INDEX; PLANT CANOPY ANALYSER;

EID: 0029668337     PISSN: 01681923     EISSN: None     Source Type: Journal    
DOI: 10.1016/0168-1923(95)02274-0     Document Type: Article

References (11)

1. Deblonde, G., Penner, M. and Royer, A., 1994. Measuring leaf area index with the LI-COR LAI-2000 in pine stands. Ecology, 75: 1507-1511.
2. Fassnacht, K.S., Gower, S.T., Norman, J.M. and McMurtrie, R.E., 1994. A comparison of optical and direct methods for estimating foliage surface area index in forests. Agric. For. Meteorol., 71: 183-207.
3. Gower, S.T. and Norman, J.M., 1991. Rapid estimation of leaf area index in conifer and broad-leaf plantations. Ecology, 72: 1896-1900.
4. Lang, A.R.G., 1991. Application of some of Cauchy's theorems to estimation of surface area of leaves, needles, and branches of plants, and light transmittance. Agric. For. Meteorol., 55: 191-212.
5. Miller, J. B., 1967. A formula for average foliage density. Aust. J. Bot., 15: 141-144.
6. Oker-Blom, P. and Smolander, H., 1988. The ratio of shoot silhouette area to total needle area in Scots pine. For. Sci., 34: 894-906.
7. Smith, N.J., Chen, J.M. and Black, T.A., 1993. Effects of clumping on estimates of stand leaf area index using the LI-COR LAI-2000. Can. J. For. Res., 23: 1940-1943.
8. Smolander, H., Stenberg, P. and Linder, S., 1994. Dependence of light interception efficiency of Scots pine shoots on structural parameters. Tree Physiol., 14: 971-980.
9. Smolander, H. and Stenberg, P., 1996. Response of LAI-2000 estimates to changes in plant surface area index in a Scots pine stand. Tree Physiol., in press.
10. Stenberg, P., Linder, S., Smolander, H. and Flower-Ellis, J., 1994. Performance of the LAI-2000 plant canopy analyzer in estimating leaf area index of some Scots pine stands. Tree Physiol., 14: 981-995.
11. Stenberg, P., Linder, S. and Smolander, H., 1995. Variation in the ratio of shoot silhouette area to needle area in fertilized and non-fertilized trees of Norway spruce. Tree Physiol., 15: 705-712.