Urbanization-related changes in European aspen (Populus tremula L.): leaf traits and litter decomposition.
Identifieur interne : 003059 ( Main/Exploration ); précédent : 003058; suivant : 003060Urbanization-related changes in European aspen (Populus tremula L.): leaf traits and litter decomposition.
Auteurs : Suvi Nikula [Finlande] ; Elina Vapaavuori ; Sirkku ManninenSource :
- Environmental pollution (Barking, Essex : 1987) [ 1873-6424 ] ; 2010.
Descripteurs français
- KwdFr :
- Acclimatation (MeSH), Azote (analyse), Carbone (analyse), Feuilles de plante (composition chimique), Feuilles de plante (croissance et développement), Feuilles de plante (physiologie), Finlande (MeSH), Populus (composition chimique), Populus (croissance et développement), Populus (physiologie), Sol (MeSH), Surveillance de l'environnement (MeSH), Urbanisation (MeSH).
- MESH :
- analyse : Azote, Carbone.
- composition chimique : Feuilles de plante, Populus.
- croissance et développement : Feuilles de plante, Populus.
- physiologie : Feuilles de plante, Populus.
- Acclimatation, Finlande, Sol, Surveillance de l'environnement, Urbanisation.
English descriptors
- KwdEn :
- Acclimatization (MeSH), Carbon (analysis), Environmental Monitoring (MeSH), Finland (MeSH), Nitrogen (analysis), Plant Leaves (chemistry), Plant Leaves (growth & development), Plant Leaves (physiology), Populus (chemistry), Populus (growth & development), Populus (physiology), Soil (MeSH), Urbanization (MeSH).
- MESH :
- chemical , analysis : Carbon, Nitrogen.
- chemistry : Plant Leaves, Populus.
- growth & development : Plant Leaves, Populus.
- physiology : Plant Leaves, Populus.
- Acclimatization, Environmental Monitoring, Finland, Soil, Urbanization.
Abstract
We investigated foliar and litter responses of European aspen (Populus tremula L.) to urbanization, including factors such as increased temperature, moisture stress and nitrogen (N) deposition. Leaf samples were collected in 2006-2008 from three urban and three rural forest stands in the Helsinki Metropolitan Area, southern Finland, and reciprocal litter transplantations were established between urban and rural sites. Urban leaves exhibited a higher amount of epicuticular waxes and N concentration, and a lower C:N ratio than rural ones, but there was no difference in specific leaf area. Urban litter had a slightly higher N concentration, lower concentrations of lignin and total phenolics, and was more palatable to a macrofaunal decomposer. Moreover, litter decay was faster at the urban site and for urban litter. Urbanization thus resulted in foliar acclimatization in terms of increased amount of epicuticular waxes, as well as in accelerated decomposition of the N-richer leaf litter.
DOI: 10.1016/j.envpol.2010.02.025
PubMed: 20338678
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Leaf samples were collected in 2006-2008 from three urban and three rural forest stands in the Helsinki Metropolitan Area, southern Finland, and reciprocal litter transplantations were established between urban and rural sites. Urban leaves exhibited a higher amount of epicuticular waxes and N concentration, and a lower C:N ratio than rural ones, but there was no difference in specific leaf area. Urban litter had a slightly higher N concentration, lower concentrations of lignin and total phenolics, and was more palatable to a macrofaunal decomposer. Moreover, litter decay was faster at the urban site and for urban litter. Urbanization thus resulted in foliar acclimatization in terms of increased amount of epicuticular waxes, as well as in accelerated decomposition of the N-richer leaf litter.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">20338678</PMID><DateCompleted><Year>2010</Year><Month>08</Month><Day>13</Day></DateCompleted><DateRevised><Year>2017</Year><Month>11</Month><Day>16</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-6424</ISSN><JournalIssue CitedMedium="Internet"><Volume>158</Volume><Issue>6</Issue><PubDate><Year>2010</Year><Month>Jun</Month></PubDate></JournalIssue><Title>Environmental pollution (Barking, Essex : 1987)</Title><ISOAbbreviation>Environ Pollut</ISOAbbreviation></Journal><ArticleTitle>Urbanization-related changes in European aspen (Populus tremula L.): leaf traits and litter decomposition.</ArticleTitle><Pagination><MedlinePgn>2132-42</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.envpol.2010.02.025</ELocationID><Abstract><AbstractText>We investigated foliar and litter responses of European aspen (Populus tremula L.) to urbanization, including factors such as increased temperature, moisture stress and nitrogen (N) deposition. Leaf samples were collected in 2006-2008 from three urban and three rural forest stands in the Helsinki Metropolitan Area, southern Finland, and reciprocal litter transplantations were established between urban and rural sites. Urban leaves exhibited a higher amount of epicuticular waxes and N concentration, and a lower C:N ratio than rural ones, but there was no difference in specific leaf area. Urban litter had a slightly higher N concentration, lower concentrations of lignin and total phenolics, and was more palatable to a macrofaunal decomposer. Moreover, litter decay was faster at the urban site and for urban litter. Urbanization thus resulted in foliar acclimatization in terms of increased amount of epicuticular waxes, as well as in accelerated decomposition of the N-richer leaf litter.</AbstractText><CopyrightInformation>Copyright 2010 Elsevier Ltd. 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