What are the current advances in techniques of remote sensing for either photosynthesis or gas exchange evaluations? What are the most promising systems? Any relevant aspect that differentiates the methods applied for a local and global scale will be very welcome.
Recent findings in my lab showed that optical sensors measuring chlorophyl concentration give better results relative to indices such as NDVI. Chlorphyl concentration measurmements were comparable to fAPAR ( Fraction of Absorbed Photosynthetically Active Radiation) measurements.
Lucas Cavalcante is an excellent discussion. Until the date to the photosynthesis determinations is made through calculates (estimations), yet not exist a method for direct determination. So, in the case of the sensing remote for photosynthesis determination, I think that the mixture of technicals is the road, images, and CO2 discrimination could be an alternative.
Recent findings in my lab showed that optical sensors measuring chlorophyl concentration give better results relative to indices such as NDVI. Chlorphyl concentration measurmements were comparable to fAPAR ( Fraction of Absorbed Photosynthetically Active Radiation) measurements.
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