Sensing of photosynthetic activity and the effects of the environment

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Title:Main Title: Sensing of photosynthetic activity and the effects of the environment
Description:Abstract: The light use efficiency of photosynthesis dynamically adapts to environmental factors and is one major factor determining crop yield. Optical remote sensing techniques have the potential to detect physiological and biochemical changes in plant ecosystems, and non-invasive detection of changes in photosynthetic energy conversion may be of great potential for managing agricultural production in a future bio-based economy. Here we give an overview on the principles of optical remote sensing in crop systems with a special emphasis on investigating hyperspectral reflectance data and the sun-induced fluorescence signal. Especially suninduced fluorescence as a parameter, which becomes important in remote sensing research may have great potential quantifying the physiological status of the photosynthetic apparatus. Both remote sensing principles were applied during the CEFLES2 campaign in Southern France, where the structural and functional status of several crops was measured on the ground and using state-of-the-art optical remote sensing techniques. Sun-induced fluorescence measurements over a variety of crops showed that additional information can be retrieved also over dense canopies, where classical remote sensing signals often saturate. With a view to the future, we discuss how hyperspectral reflectance and sun-induced fluorescence can quantitatively be related to photosynthetic efficiency and help to measure and manage productivity of natural and agricultural ecosystems.
Identifiers:978-90-481-9276-2 (ISBN)
10.1007/978-90-481-9277-9_6 (DOI)
Responsible Party
Creators:Uwe Rascher (Author), Alexander Damm (Author), Sebastian van der Linden (Author), Roland Pieruschka (Author), Anke Schickling (Author), Patrick Hostert (Author)
Publisher:Springer Netherlands
Publication Year:2013
Topic
TR32 Topic:Remote Sensing
Related Subproject:D2
Subjects:Keywords: Remote Sensing, Photosynthesis
File Details
Filename:2009_Rascher_PrecCropDet.pdf
Data Type:Text - Book Section
Size:13 Pages
File Size:1.7 MB
Date:Issued: 01.01.2010
Mime Type:application/pdf
Data Format:PDF
Language:English
Status:Completed
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Download Permission:Only Project Members
General Access and Use Conditions:For internal use only
Access Limitations:For internal use only
Licence:[TR32DB] Data policy agreement
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Specific Information - Publication
Publication Status:Published
Review Status:Peer reviewed
Publication Type:Book Section
Book Title:Precision Crop Detection - The Challenge and Use of Heterogeneity
Editors:Erich-Christian Oerke, Roland Gerhards, Gunter Menz, Richard A. Sikora
City:Dordrecht Heidelberg London New York
Chapter:2
Number of Pages:13 (87 - 99)
Metadata Details
Metadata Creator:Uwe Rascher
Metadata Created:03.12.2013
Metadata Last Updated:11.05.2021
Subproject:D2
Funding Phase:1
Metadata Language:English
Metadata Version:V50
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