Photographic estimation of photosynthetically active radiation: evaluation of a computerized technique

Oecologia

Volumn 73, Issue 4, 1987, Pages 525-532

  Chazdon, R L ^a   Field, C B ^a  

^a GEOPHYSICAL LABORATORY   (United States)

Author keywords

Forest; Hemispherical photography; Light measurement; Methods

Indexed keywords

EID: 0000564669     PISSN: 00298549     EISSN: 14321939     Source Type: Journal    
DOI: 10.1007/BF00379411     Document Type: Article

References (28)

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2. Radiation and crop structure
3. Forest cover as a solar camera: penumbral effects in plant capopies
4. The interpretation and automatic measurement of hemispherical photographs to obtain sunlit foliage area and gap frequency
5. Determinants of photosynthetic capacity in six rainforest Piper species
6. Photosynthetic responses to light variation in rainforest species. II. Carbon gain and photosynthetic efficiency during sunflecks
7. Leaf carbon isotope and mineral composition in subtropical plants along an irradiance cline
8. Hemispherical and woodland canopy photography and the light climate
9. Portable monitor for solar radiation that accumulates irradiance histograms for 32 leaf-mounted sensors
10. Area projections of fisheye photographic lenses
11. A lens for whole sky photography
12. Effects of sky brightness distribution upon penetration of diffuse radiation through canopy gaps in a deciduous forest
13. Correlations of fisheye photography to canopy structure, light climate, and biological responses to light in apple trees
14. The use of hemispherical photographs to assess light climate in the forest
15. Photosynthetically active radiation
16. Über den Lichtfactor in den Pflanzengesellschaften und seine Bedeutung für die Stoffproduktion
17. Illumination from a nonuniform sky
18. Light intensity and sunfleck-size distributions in plant canopies
19. Penumbral effects of within-plant and between-plant shading on radiation distribution and leaf photosynthesis: a Monte-Carlo simulation
20. The light environment and growth of C3 and C4 tree species in the understory of a Hawaiian forest
21. A comparison of differenct methods for measuring the canopy light regime
22. The conservative ratio of photosynthetically active to total radiation in the tropics
23. Photosynthetic light acclimation in two rainforest Piper species with different ecological amplitudes