Title
Dorsi-ventral leaf reflectance properties of **Carpinus betulus** L. : an indicator of urban habitat quality Dorsi-ventral leaf reflectance properties of **Carpinus betulus** L. : an indicator of urban habitat quality
Author
Faculty/Department
Faculty of Sciences. Bioscience Engineering
Publication type
article
Publication
London ,
Subject
Chemistry
Biology
Engineering sciences. Technology
Source (journal)
Environmental pollution. - London
Volume/pages
162(2012) , p. 332-337
ISSN
0269-7491
ISI
000301087800042
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The objective of this paper is to give an account of the evaluation of the effect of urban habitat quality on dorsi-ventral leaf reflectance asymmetry to bio-monitor urban habitat pollution. Reflectance in the RGB bands of a reflex camera is measured at the adaxial and abaxial sides of Carpinus betulus L. leaves for two contrasting urban habitats, e.g.; suburban green and industrial habitats in the city of Gent (Belgium). Abaxial leaf reflectance is consistently higher than adaxial leaf reflectance. We quantified leaf dorsi-ventral reflectance asymmetry with a newly defined Normalized Dorsi-ventral Asymmetry Index (NDAI). The NDAI is significantly higher in industrial habitats as opposed to suburban green ones. Our optical observations indicate that changes in Carpinus betulus L. leaf morphology are related to urban habitat quality. Hence, we suggest that leaf dorsi-ventral reflectance asymmetry allows the estimation of the magnitude and spatial extent of environmental pollution in urban environments.
E-info
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