NDLI: Biomonitoring of traffic-related nitrogen oxides in the Maurienne valley (Savoie, France), using purple moor grass growth parameters and leaf (15)N/(14)N ratio.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Laffray, Xavier Rose, Christophe Garrec, Jean-Pierre
Spatial Coverage	France
Description	Country affiliation: France Author Affiliation: Laffray X ( UMR INRA/UHP Forest Ecology and Ecophysiology, Phytoecology team, Atmospheric Pollution Laboratory, INRA Nancy, Route de l'Arboretum, F-54280 Champenoux, France. xavier.laffray@gmail.com)
Abstract	Effects of traffic-related nitrogenous emissions on purple moor grass (Molinia caerulea (L.) Moench) transplants, used here as a new biomonitoring species, were assessed along 500 m long transects orthogonal to roads located in two open areas in the Maurienne valley (French Alps). Leaves were sampled during summer 2004 and 2005 for total N-content and (15)N-abundance determination while nitrogen oxides (NO and NO(2)) concentrations were determined using passive diffusion samplers. A significant and negative correlation was observed between plant total N-content, and (15)N-abundance and the logarithm of the distance to the road axis. The strongest decreases in plant N parameters were observed between 15 and 100 m from road axis. They were equivalent to background levels at a distance of about 800 m from the roads. In addition, motor vehicle pollution significantly affected vegetation at road edge, as was established from the relationship between leaf (15)N-abundance, total N-content and road traffic densities.
File Format	HTM / HTML
ISSN	02697491
Issue Number	5
Volume Number	158
e-ISSN	18736424
Journal	Environmental Pollution
Language	English
Publisher	Elsevier
Publisher Date	2010-05-01
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Environmental Discipline Science Air Pollutants Analysis Environmental Monitoring Methods Motor Vehicles Statistics & Numerical Data Nitrogen Oxides Poaceae Chemistry Growth & Development Metabolism France Nitrogen Nitrogen Isotopes Plant Leaves Evaluation Studies Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Health, Toxicology and Mutagenesis Pollution Medicine Toxicology

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Biomonitoring of traffic-related nitrogen oxides in the Maurienne valley (Savoie, France), using purple moor grass growth parameters and leaf (15)N/(14)N ratio.

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