About: Tree ring chemistry and changes in acid deposition in two watersheds in the Bohemian Forest (Czech Republic)

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About: Tree ring chemistry and changes in acid deposition in two watersheds in the Bohemian Forest (Czech Republic) Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Tento příspěvek řeší chemické změny letokruhů ve vztahu ke kyselé depozici na Šumavě (cs) There is a wide spread evidence that acid deposition (S and N) may deplete available base cation pools in soils to the extent that forest health may be impaired (Watmough and Dillon 2003). We have analyzed historical changes in S and N depositions and chemical composition of Norway spruce tree rings in two mountain watersheds (Plešné and Čertovo Lakes, the Bohemian Forest). Tree rings (sectioned by decades) were analyzed for Ca, Mg, Al, C, N, Mn, and isotopic composition (13C, 15N), and trends from the beginning of 20th century were evaluated. Trends in S and N depositions came from Kopáček et al. (2001). Tree ring chemistry exhibited changes in concentrations and molar ratios of the selected elements. The Ca:Al and (Ca+Mg):Al ratios significantly decreased for all four sampled trees over the 20th century (Fig 1). In general, Mg and Ca concentrations decreased and Al concentrations increased throughout the last century. However, the variability in the data was high (especially for Ca and Al). Concen There is a wide spread evidence that acid deposition (S and N) may deplete available base cation pools in soils to the extent that forest health may be impaired (Watmough and Dillon 2003). We have analyzed historical changes in S and N depositions and chemical composition of Norway spruce tree rings in two mountain watersheds (Plešné and Čertovo Lakes, the Bohemian Forest). Tree rings (sectioned by decades) were analyzed for Ca, Mg, Al, C, N, Mn, and isotopic composition (13C, 15N), and trends from the beginning of 20th century were evaluated. Trends in S and N depositions came from Kopáček et al. (2001). Tree ring chemistry exhibited changes in concentrations and molar ratios of the selected elements. The Ca:Al and (Ca+Mg):Al ratios significantly decreased for all four sampled trees over the 20th century (Fig 1). In general, Mg and Ca concentrations decreased and Al concentrations increased throughout the last century. However, the variability in the data was high (especially for Ca and Al). Concen (en)
Title	Tree ring chemistry and changes in acid deposition in two watersheds in the Bohemian Forest (Czech Republic) Chemické změny letokruhů ve vztahu ke kyselé depozici na Šumavě (cs) Tree ring chemistry and changes in acid deposition in two watersheds in the Bohemian Forest (Czech Republic) (en)
skos:prefLabel	Tree ring chemistry and changes in acid deposition in two watersheds in the Bohemian Forest (Czech Republic) Chemické změny letokruhů ve vztahu ke kyselé depozici na Šumavě (cs) Tree ring chemistry and changes in acid deposition in two watersheds in the Bohemian Forest (Czech Republic) (en)
skos:notation	RIV/60460709:41410/05:10726!RIV06-GA0-41410___
http://linked.open.../vavai/riv/strany	321;321
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA206/03/1583)
http://linked.open...vai/riv/dodaniDat	2006
http://linked.open...aciTvurceVysledku	Svoboda, Miroslav
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Česká zemědělská univerzita v Praze / Fakulta lesnická a environmentální
http://linked.open...dnocenehoVysledku	547197
http://linked.open...ai/riv/idVysledku	RIV/60460709:41410/05:10726
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	acid deposition, tree rings chemistry, nutrient concentrations, Picea abies, nitrogen (en)
http://linked.open.../riv/klicoveSlovo	nutrient concentrations Picea abies tree rings chemistry nitrogen acid deposition
http://linked.open...ontrolniKodProRIV	[5C3CAAFF033E]
http://linked.open...v/mistoKonaniAkce	Praha
http://linked.open...i/riv/mistoVydani	Praha
http://linked.open...vEdiceCisloSvazku	Neuvedeno, 0
http://linked.open...i/riv/nazevZdroje	Acid Rain 2005
http://linked.open...in/vavai/riv/obor	GK
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Nutrient cycling in the nitrogen-saturated mountain forest ecosystem: history, present, and future of water, soil, and Norway spruce forest status
http://linked.open...UplatneniVysledku	2005
http://linked.open...iv/tvurceVysledku	Kopáček, Jiří Svoboda, Miroslav Šantrůčková, Hana
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2005-06-12 (xsd:date)
number of pages	1 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Czech Hydrometeorological Institure, Prague
https://schema.org/isbn	80-86690-25-3
http://localhost/t...ganizacniJednotka	41410

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