Title
Do leaf characteristics of white willow (Salix alba L.), northern red oak (Quercus rubra L.), and scots pine (Pinus sylvestris L.) respond differently to ambient air pollution and other environmental stressors?
Author
Faculty/Department
Faculty of Sciences. Bioscience Engineering
Publication type
article
Publication
Dordrecht ,
Subject
Physics
Chemistry
Biology
Source (journal)
Water, air, and soil pollution. - Dordrecht
Volume/pages
224(2013) :8 , p. 1-14
ISSN
0049-6979
Article Reference
1635
ISI
000323255900004
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
This study assessed the effect of ambient air pollution on leaf characteristics of white willow, northern red oak, and Scots pine. Willow, oak, and pine saplings were planted at sixteen locations in Belgium, where nitrogen dioxide (NO2), ozone (O-3), sulfur dioxide (SO2), and particulate matter (PM10) concentrations were continuously measured. The trees were exposed to ambient air during 6 months (April-September 2010), and, thereafter, specific leaf area (SLA), stomatal resistance (R-s), leaf fluctuating asymmetry (FA), drop contact angle (CA), relative chlorophyll content, and chlorophyll fluorescence (F-v/F-m) were measured. Leaf characteristics of willow, oak, and pine were differently related to the ambient air pollution, indicating a species-dependent response. Willow and pine had a higher SLA at measuring stations with higher NO2 and lower O-3 concentrations. Willow had a higher Rs and pine had a higher F-v/F-m at measuring stations with a higher NO2 and lower O-3 concentrations, while oak had a higher F-v/F-m and a lower FA at measuring stations with a higher NO2 and lower O-3 concentrations. FA and R-s of willow, oak, and pine, SLA of oak, and CA of willow were rather an indicator for local adaptation to the micro-environment than an indicator for the ambient air pollution.
E-info
https://repository.uantwerpen.be/docman/iruaauth/c5e20d/a565558.pdf
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