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Statements

Subject Item
n2:RIV%2F67179843%3A_____%2F14%3A00441073%21RIV15-MZE-67179843
rdf:type
skos:Concept n18:Vysledek
dcterms:description
The paper aims to study the variability of spring barley and winter wheat yields, the most important crops in the Czech Republic, with respect to the variability of weather and climatic factors. Yields of both crops have been studied for 13 districts in Southern Moravia for the 1961–2007 period. From detrended series of spring barley and winter wheat yields, years with very low (lower than the mean minus a 2.5-multiple of the standard deviation) and extremely low (interval given by the mean minus a 1.5- and 2.5-multiple of the standard deviation) yields were selected. Years in which at least one of the districts had extremely low/very low yields were further analyzed. From 10 such years selected separately for spring barley and winter wheat, six of them agreed for both crops. Extreme years were studied using NUTS4-level yield data with respect to temperature, precipitation, the self-calibrated Palmer Drought Severity Index (scPDSI), snow cover, frost patterns, and the onset and duration of select phenophases. Extremely/very low barley yields in 1993, 2000, and 2007 were related to high April–June (AMJ) temperatures, low AMJ precipitation totals, and negative AMJ scPDSI (indicating drought) with an earlier onset of flowering and full ripeness and shorter intervals from tillering to flowering and from flowering to full ripeness compared to the entire 1961–2007 mean. As for extremely/very low winter wheat yields, in addition to the previously mentioned factors, winter patterns also played an important role, particularly the occurrence of severe frosts with a coinciding lack of snow cover and a long-lasting snow cover (in highlands), indicating that low yields are the result of not only one unfavorable factor but a combination of several of them. The paper aims to study the variability of spring barley and winter wheat yields, the most important crops in the Czech Republic, with respect to the variability of weather and climatic factors. Yields of both crops have been studied for 13 districts in Southern Moravia for the 1961–2007 period. From detrended series of spring barley and winter wheat yields, years with very low (lower than the mean minus a 2.5-multiple of the standard deviation) and extremely low (interval given by the mean minus a 1.5- and 2.5-multiple of the standard deviation) yields were selected. Years in which at least one of the districts had extremely low/very low yields were further analyzed. From 10 such years selected separately for spring barley and winter wheat, six of them agreed for both crops. Extreme years were studied using NUTS4-level yield data with respect to temperature, precipitation, the self-calibrated Palmer Drought Severity Index (scPDSI), snow cover, frost patterns, and the onset and duration of select phenophases. Extremely/very low barley yields in 1993, 2000, and 2007 were related to high April–June (AMJ) temperatures, low AMJ precipitation totals, and negative AMJ scPDSI (indicating drought) with an earlier onset of flowering and full ripeness and shorter intervals from tillering to flowering and from flowering to full ripeness compared to the entire 1961–2007 mean. As for extremely/very low winter wheat yields, in addition to the previously mentioned factors, winter patterns also played an important role, particularly the occurrence of severe frosts with a coinciding lack of snow cover and a long-lasting snow cover (in highlands), indicating that low yields are the result of not only one unfavorable factor but a combination of several of them.
dcterms:title
Influence of climatic factors on the low yields of spring barley and winter wheat in Southern Moravia (Czech Republic) during the 1961-2007 period Influence of climatic factors on the low yields of spring barley and winter wheat in Southern Moravia (Czech Republic) during the 1961-2007 period
skos:prefLabel
Influence of climatic factors on the low yields of spring barley and winter wheat in Southern Moravia (Czech Republic) during the 1961-2007 period Influence of climatic factors on the low yields of spring barley and winter wheat in Southern Moravia (Czech Republic) during the 1961-2007 period
skos:notation
RIV/67179843:_____/14:00441073!RIV15-MZE-67179843
n3:aktivita
n6:I n6:P
n3:aktivity
I, P(EE2.3.20.0248), P(GA13-19831S), P(QJ1310123)
n3:cisloPeriodika
3-4
n3:dodaniDat
n10:2015
n3:domaciTvurceVysledku
n4:1020048 n4:6007929 n4:9619674 n4:5539498
n3:druhVysledku
n8:J
n3:duvernostUdaju
n9:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
21350
n3:idVysledku
RIV/67179843:_____/14:00441073
n3:jazykVysledku
n17:eng
n3:klicovaSlova
agricultural drouhgt; variability; temperature; indexes; Europe; cover; crops; model
n3:klicoveSlovo
n5:model n5:cover n5:variability n5:agricultural%20drouhgt n5:Europe n5:indexes n5:temperature n5:crops
n3:kodStatuVydavatele
AT - Rakouská republika
n3:kontrolniKodProRIV
[BE21A7E04FAA]
n3:nazevZdroje
Theoretical and Applied Climatology
n3:obor
n14:DG
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:projekt
n12:GA13-19831S n12:EE2.3.20.0248 n12:QJ1310123
n3:rokUplatneniVysledku
n10:2014
n3:svazekPeriodika
117
n3:tvurceVysledku
Trnka, Miroslav Hlavinka, Petr Kolář, Petr Brázdil, Rudolf
n3:wos
000339905000030
s:issn
0177-798X
s:numberOfPages
10
n15:doi
10.1007/s00704-013-1037-3