Title
The effect of air pollution and other environmental stressors on leaf fluctuating asymmetry and specific leaf area of **Salix alba** L The effect of air pollution and other environmental stressors on leaf fluctuating asymmetry and specific leaf area of **Salix alba** L
Author
Faculty/Department
Faculty of Sciences. Biology
Faculty of Sciences. Bioscience Engineering
Publication type
article
Publication
London ,
Subject
Biology
Source (journal)
Environmental pollution. - London
Volume/pages
159(2011) :10 , p. 2405-2411
ISSN
0269-7491
ISI
000295493100025
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We aimed at evaluating the effect of low-level air pollution on leaf area fluctuating asymmetry (FAA) and specific leaf area (SLA) of Salix alba L., taking into account other environmental factors. Cuttings were grown in standardized conditions in the near vicinity of air quality measuring stations in Belgium. Variability of SLA and FAA between measuring stations explained 83% and 7.26%, respectively, of the total variability. FAA was not influenced by air pollution or environmental factors such as shading, herbivory, air temperature and humidity. SLA was increased by an increase in shadow, while NOx and O3 concentrations had only a marginal influence. The influence of SO2 concentration was negligible. Although our data analysis suggests a relationship between SLA and NOx/O3 concentration, the absence of a straightforward relationship between FAA and SLA and air pollution still questions the usefulness of these bio-indicators for monitoring air pollution.
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