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Seasonal variation in throughfall and stemflow chemistry beneath a European beech (Fagus sylvatica) tree in relation to canopy phenology

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@article{186ad66ac27a420384531eeab1762b64,
title = "Seasonal variation in throughfall and stemflow chemistry beneath a European beech (Fagus sylvatica) tree in relation to canopy phenology",
abstract = "The effect of canopy phenology on major ion fluxes beneath a mature European beech (Fagus sylvatica L.) tree is examined. Annual and seasonal ion fluxes to the forest floor were significantly higher than the incoming wet-only deposition for all ions measured other than H+. The annual throughfall to wet deposition ratio generally ranged from 2.1 to 4.8. Stemflow contributed 9{\%}–19{\%} of the ion input to the forest floor, except for H+. Throughfall enrichment of K+, Ca2+, Mg2+, and NO3– was significantly higher in the leafed than in the leafless season, in contrast to Na+, NH4+, and H+. The temporal pattern of ion enrichment indicated canopy release of K+, Ca2+, and Mg2+ throughout the leafed season, of Na+, Cl–, and NH4+ from emerging leaves, and of Cl– and SO42– from senescing leaves. The contribution of canopy leaching to annual net throughfall and stemflow was estimated at 96{\%} (K+), 54{\%} (Ca2+), 40{\%} (Mg2+), 12{\%} (Cl–), and 7{\%} (Na+, SO42–). Dry deposition accounted for 58{\%}–75{\%} of the total deposition onto the canopy. The throughfall enrichment during the leafless season indicated high particulate and gaseous dry deposition onto the woody canopy as well as K+ release from European beech branches.",
author = "Jeroen Staelens and {De Schrijver}, A and K Verheyen",
note = "Publication Authorstring : Staelens, J.; De Schrijver, A.; Verheyen, K. Publication RefStringPartII : <i>Canadian journal of forest research = Revue canadienne de recherche foresti{\`e}re 37(8)</i>: 1359-1372. <a href={"}http://dx.doi.org/10.1139/X07/003{"} target={"}_blank{"}>dx.doi.org/10.1139/X07/003</a>",
year = "2007",
language = "English",
volume = "37",
pages = "1359--1372",
journal = "Canadian journal of forest research = Revue canadienne de recherche foresti{\`e}re",
issn = "0045-5067",
publisher = "National Research Council of Canada",
number = "8",

}

RIS

TY - JOUR

T1 - Seasonal variation in throughfall and stemflow chemistry beneath a European beech (Fagus sylvatica) tree in relation to canopy phenology

AU - Staelens, Jeroen

AU - De Schrijver, A

AU - Verheyen, K

N1 - Publication Authorstring : Staelens, J.; De Schrijver, A.; Verheyen, K. Publication RefStringPartII : <i>Canadian journal of forest research = Revue canadienne de recherche forestière 37(8)</i>: 1359-1372. <a href="http://dx.doi.org/10.1139/X07/003" target="_blank">dx.doi.org/10.1139/X07/003</a>

PY - 2007

Y1 - 2007

N2 - The effect of canopy phenology on major ion fluxes beneath a mature European beech (Fagus sylvatica L.) tree is examined. Annual and seasonal ion fluxes to the forest floor were significantly higher than the incoming wet-only deposition for all ions measured other than H+. The annual throughfall to wet deposition ratio generally ranged from 2.1 to 4.8. Stemflow contributed 9%–19% of the ion input to the forest floor, except for H+. Throughfall enrichment of K+, Ca2+, Mg2+, and NO3– was significantly higher in the leafed than in the leafless season, in contrast to Na+, NH4+, and H+. The temporal pattern of ion enrichment indicated canopy release of K+, Ca2+, and Mg2+ throughout the leafed season, of Na+, Cl–, and NH4+ from emerging leaves, and of Cl– and SO42– from senescing leaves. The contribution of canopy leaching to annual net throughfall and stemflow was estimated at 96% (K+), 54% (Ca2+), 40% (Mg2+), 12% (Cl–), and 7% (Na+, SO42–). Dry deposition accounted for 58%–75% of the total deposition onto the canopy. The throughfall enrichment during the leafless season indicated high particulate and gaseous dry deposition onto the woody canopy as well as K+ release from European beech branches.

AB - The effect of canopy phenology on major ion fluxes beneath a mature European beech (Fagus sylvatica L.) tree is examined. Annual and seasonal ion fluxes to the forest floor were significantly higher than the incoming wet-only deposition for all ions measured other than H+. The annual throughfall to wet deposition ratio generally ranged from 2.1 to 4.8. Stemflow contributed 9%–19% of the ion input to the forest floor, except for H+. Throughfall enrichment of K+, Ca2+, Mg2+, and NO3– was significantly higher in the leafed than in the leafless season, in contrast to Na+, NH4+, and H+. The temporal pattern of ion enrichment indicated canopy release of K+, Ca2+, and Mg2+ throughout the leafed season, of Na+, Cl–, and NH4+ from emerging leaves, and of Cl– and SO42– from senescing leaves. The contribution of canopy leaching to annual net throughfall and stemflow was estimated at 96% (K+), 54% (Ca2+), 40% (Mg2+), 12% (Cl–), and 7% (Na+, SO42–). Dry deposition accounted for 58%–75% of the total deposition onto the canopy. The throughfall enrichment during the leafless season indicated high particulate and gaseous dry deposition onto the woody canopy as well as K+ release from European beech branches.

M3 - A1: Web of Science-article

VL - 37

SP - 1359

EP - 1372

JO - Canadian journal of forest research = Revue canadienne de recherche forestière

JF - Canadian journal of forest research = Revue canadienne de recherche forestière

SN - 0045-5067

IS - 8

ER -

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