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http://hdl.handle.net/1942/15082
Title: | Upward and downward solar-induced chlorophyll fluorescence yield indices of four tree species as indicators of traffic pollution in Valencia | Authors: | Van Wittenberghe, Shari Alonso, Luis Verrelst, Jochem HERMANS, Inge Delegido, Jesus Veroustraete, Frank VALCKE, Roland Moreno, Jose Samson, Roeland |
Issue Date: | 2013 | Publisher: | ELSEVIER SCI LTD | Source: | ENVIRONMENTAL POLLUTION, 173, p. 29-37 | Abstract: | Passive steady-state chlorophyll fluorescence (Fs) provides a direct diagnosis of the functional status of vegetation photosynthesis. With the prospect of mapping Fs using remote sensing techniques, field measurements are mandatory to understand to which extent Fs allows detecting plant stress in different environments. Trees of four common species in Valencia were classified in either a low or a high local traffic exposure class based on their leaf magnetic value. Upward and downward hyperspectral fluorescence yield (FY) and indices based on the two Fs peaks (at 687 and 741 nm) were calculated. FY indices of P. canariensis and P. x acerifolia were significantly different between the two traffic exposure classes defined, but not for C australis nor M. alba. While chlorophyll content could not indicate the difference between low and high traffic exposure, the FY(687)/FY(741) peak ratio increased significantly (p < 0.05) for both leaf sides for the higher traffic exposure class. | Notes: | [Van Wittenberghe, Shari; Veroustraete, Frank; Samson, Roeland] Univ Antwerp, Fac Sci, Dept Biosci Engn, B-2020 Antwerp, Belgium. [Alonso, Luis; Verrelst, Jochem; Delegido, Jesus; Moreno, Jose] Univ Valencia, Image Proc Lab, E-46980 Valencia, Spain. [Hermans, Inge; Valcke, Roland] Univ Hasselt, Fac Sci, Lab Mol & Phys Plant Physiol, B-3590 Diepenbeek, Belgium. | Keywords: | Passive fluorescence; Red/far-red ratio; Stress monitoring; Urban environment; Particulate matter; Remote sensing;Environmental Sciences; passive fluorescence; Red/far-red ratio; stress monitoring; urban environment; particulate matter; remote sensing | Document URI: | http://hdl.handle.net/1942/15082 | ISSN: | 0269-7491 | e-ISSN: | 1873-6424 | DOI: | 10.1016/j.envpol.2012.10.003 | ISI #: | 000313845500006 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2014 |
Appears in Collections: | Research publications |
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