Remote monitoring of dynamic canopy photosynthesis with high time resolution light-induced fluorescence transients
| Autor: | Michael B. Ashcroft, Sharon A. Robinson, Barry Osmond, Zbyněk Malenovský, Rhys Wyber |
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| Rok vydání: | 2017 |
| Předmět: |
0106 biological sciences
0301 basic medicine Canopy Chlorophyll Photosystem II Light Physiology Plant Science Photosynthesis Atmospheric sciences 01 natural sciences Fluorescence Trees 03 medical and health sciences chemistry.chemical_compound Sunlight Persea Plant physiology 15. Life on land Models Theoretical Ray Plant Leaves Light intensity 030104 developmental biology chemistry 13. Climate action Remote Sensing Technology Environmental science 010606 plant biology & botany |
| Zdroj: | Tree physiology. 38(9) |
| ISSN: | 1758-4469 |
| Popis: | Understanding the net photosynthesis of plant canopies requires quantifying photosynthesis in challenging environments, principally due to the variable light intensities and qualities generated by sunlight interactions with clouds and surrounding foliage. The dynamics of sunflecks and rates of change in light intensity at the beginning and end of sustained light (SL) events makes photosynthetic measurements difficult, especially when dealing with less accessible parts of plant foliage. High time resolved photosynthetic monitoring from pulse amplitude modulated (PAM) fluorometers has limited applicability due to the invasive nature of frequently applied saturating flashes. An alternative approach used here provides remote ( |
| Databáze: | OpenAIRE |
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