| Diversity and sensitivity of epiphytes to oxides of nitrogen in London. | |
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MedLine Citation:
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PMID: 16777294 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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This study investigated the distribution and diversity of epiphytes in London in relation to NO(x) using fine-scale atmospheric dispersion modelling. The survey recorded over 3000 epiphytes from 334 trees (Fraxinus excelsior) representing 74 lichen, 14 moss, 7 fungal and 3 algal species. There was a significant inverse relationship between diversity and NO(x). Diversity declined where NO(x) exceeded 70 microg m(-3) and NO2 exceeded 40 microg m(-3), suggesting a phytotoxic effect. However, there was a significant positive relationship between NO(x) and lichen abundance due to the ubiquitous distribution of pollution tolerant species, mainly associated with eutrophication. A scale of lichen sensitivity to NO(x) has been derived. |
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Authors:
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L Davies; J W Bates; J N B Bell; P W James; O W Purvis |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2006-06-13 |
Journal Detail:
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Title: Environmental pollution (Barking, Essex : 1987) Volume: 146 ISSN: 0269-7491 ISO Abbreviation: Environ. Pollut. Publication Date: 2007 Mar |
Date Detail:
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Created Date: 2007-02-26 Completed Date: 2007-06-18 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8804476 Medline TA: Environ Pollut Country: England |
Other Details:
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Languages: eng Pagination: 299-310 Citation Subset: IM |
Affiliation:
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Centre for Environmental Policy, South Kensington Campus, Imperial College London, London SW7 2AZ, UK. linda.davies@imperial.ac.uk |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Air Pollutants
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toxicity* Biodiversity Bryophyta / physiology Environmental Monitoring / methods Fungi / physiology Lichens / physiology* London Nitric Oxide / toxicity Nitrogen Dioxide / toxicity Nitrogen Oxides / toxicity* Particulate Matter / toxicity Rain Temperature Trees / parasitology Urbanization |
| Chemical | |
Reg. No./Substance:
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0/Air Pollutants; 0/Nitrogen Oxides; 0/Particulate Matter; 10102-43-9/Nitric Oxide; 10102-44-0/Nitrogen Dioxide |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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