PoplarV1, Main, Exploration, bibRecord, 002041

Stemflow acid neutralization capacity in a broadleaved deciduous forest: the role of edge effects.

Identifieur interne : 002041 ( Main/Exploration ); précédent : 002040; suivant : 002042

Stemflow acid neutralization capacity in a broadleaved deciduous forest: the role of edge effects.

Auteurs : Alexey N. Shiklomanov [États-Unis] ; Delphis F. Levia [États-Unis]

Source :

Environmental pollution (Barking, Essex : 1987) [ 1873-6424 ] ; 2014.

RBID : pubmed:25005886

Descripteurs français

KwdFr :
- Arbres (composition chimique), Atmosphère (MeSH), Concentration en ions d'hydrogène (MeSH), Liriodendron (composition chimique), Maryland (MeSH), Pluie (composition chimique), Sol (composition chimique).
MESH :
- composition chimique : Arbres, Liriodendron, Pluie, Sol.
- Atmosphère, Concentration en ions d'hydrogène, Maryland.

English descriptors

KwdEn :
- Atmosphere (MeSH), Hydrogen-Ion Concentration (MeSH), Liriodendron (chemistry), Maryland (MeSH), Rain (chemistry), Soil (chemistry), Trees (chemistry).
MESH :
- chemical , chemistry : Soil.
- chemistry : Liriodendron, Rain, Trees.
- Atmosphere, Hydrogen-Ion Concentration, Maryland.

Abstract

Atmospheric deposition is an important pathway for moisture, nutrient, and pollutant exchange among the atmosphere, forest, and soils. Previous work has shown the importance of proximity to the forest edge to chemical fluxes in throughfall, but far less research has considered stemflow. This study examined the difference in acid neutralization capacity (ANC) of stemflow of nineteen Liriodendron tulipifera L. (yellow poplar) trees between the forest edge and interior in a rural area of northeastern Maryland. We measured ANC directly via potentiometric titration. Stemflow from trees at the forest edge was found to have significantly higher and more variable pH and ANC than in the forest interior (p < 0.01). No mathematical trend between ANC and distance to the forest edge was observed, indicating the importance of individual tree characteristics in stemflow production and chemistry. These results reaffirm the importance of stemflow for acid neutralization by deciduous tree species.

DOI: 10.1016/j.envpol.2014.06.011
PubMed: 25005886

Affiliations:

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Le document en format XML

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<front><div type="abstract" xml:lang="en">Atmospheric deposition is an important pathway for moisture, nutrient, and pollutant exchange among the atmosphere, forest, and soils. Previous work has shown the importance of proximity to the forest edge to chemical fluxes in throughfall, but far less research has considered stemflow. This study examined the difference in acid neutralization capacity (ANC) of stemflow of nineteen Liriodendron tulipifera L. (yellow poplar) trees between the forest edge and interior in a rural area of northeastern Maryland. We measured ANC directly via potentiometric titration. Stemflow from trees at the forest edge was found to have significantly higher and more variable pH and ANC than in the forest interior (p < 0.01). No mathematical trend between ANC and distance to the forest edge was observed, indicating the importance of individual tree characteristics in stemflow production and chemistry. These results reaffirm the importance of stemflow for acid neutralization by deciduous tree species. </div>
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<Title>Environmental pollution (Barking, Essex : 1987)</Title>
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<ArticleTitle>Stemflow acid neutralization capacity in a broadleaved deciduous forest: the role of edge effects.</ArticleTitle>
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<Abstract><AbstractText>Atmospheric deposition is an important pathway for moisture, nutrient, and pollutant exchange among the atmosphere, forest, and soils. Previous work has shown the importance of proximity to the forest edge to chemical fluxes in throughfall, but far less research has considered stemflow. This study examined the difference in acid neutralization capacity (ANC) of stemflow of nineteen Liriodendron tulipifera L. (yellow poplar) trees between the forest edge and interior in a rural area of northeastern Maryland. We measured ANC directly via potentiometric titration. Stemflow from trees at the forest edge was found to have significantly higher and more variable pH and ANC than in the forest interior (p < 0.01). No mathematical trend between ANC and distance to the forest edge was observed, indicating the importance of individual tree characteristics in stemflow production and chemistry. These results reaffirm the importance of stemflow for acid neutralization by deciduous tree species. </AbstractText>
<CopyrightInformation>Copyright © 2014 Elsevier Ltd. All rights reserved.</CopyrightInformation>
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Stemflow acid neutralization capacity in a broadleaved deciduous forest: the role of edge effects.

Stemflow acid neutralization capacity in a broadleaved deciduous forest: the role of edge effects.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki