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Statements

Subject Item
n2:RIV%2F62156489%3A43410%2F14%3A00212957%21RIV15-MZE-43410___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
Pedunculate oak (Quercus robur L.) is considered the main commercial tree species in conditions of floodplain forests of central Europe. In the Czech Republic clear-cutting silvicultural system represents a prevailing regeneration method of oak stands in floodplain forest. The natural regeneration is limited only in stands and years with sufficient acorn production. We analysed an acorn crop periodicity and an influence of canopy opening to the acorn production in South Moravian floodplain forest, Czech Republic between 2008 and 2011., The acorn crop from trees with different growth spaces in four stand conditions (closed canopy (A), moderate open canopy (B), open canopy (C) and single growing trees (D) with unlimited growth space was analysed. The amount of acorns was determined using seed traps placed under the crowns of sample trees. The average amount of acorns in 2009 and 2011 ranged from 13 (A) to 102 (C) /m2 and from 2 (A) to 124 (D) /m2, respectively. At the same time, a considerable difference was recorded in the fructification of sample trees in the various stand situations. Significant correlations were confirmed between the amount of acorns and crown size (r22009=0.27, r22011=0.07) of parent trees and their growth space - release area (r22009=0.42, r22011=0.25) and social area (r22009=0.31, r22011=0.26). The production of acorns could be affected by establishing conditions for the pedunculate oak with a minimum crown projection area in adult trees of at least 70 m2 and/or with a minimum release area of 300 m2 - , it means spacing between parent trees about 10 m or 100 trees per 1 ha. Pedunculate oak (Quercus robur L.) is considered the main commercial tree species in conditions of floodplain forests of central Europe. In the Czech Republic clear-cutting silvicultural system represents a prevailing regeneration method of oak stands in floodplain forest. The natural regeneration is limited only in stands and years with sufficient acorn production. We analysed an acorn crop periodicity and an influence of canopy opening to the acorn production in South Moravian floodplain forest, Czech Republic between 2008 and 2011., The acorn crop from trees with different growth spaces in four stand conditions (closed canopy (A), moderate open canopy (B), open canopy (C) and single growing trees (D) with unlimited growth space was analysed. The amount of acorns was determined using seed traps placed under the crowns of sample trees. The average amount of acorns in 2009 and 2011 ranged from 13 (A) to 102 (C) /m2 and from 2 (A) to 124 (D) /m2, respectively. At the same time, a considerable difference was recorded in the fructification of sample trees in the various stand situations. Significant correlations were confirmed between the amount of acorns and crown size (r22009=0.27, r22011=0.07) of parent trees and their growth space - release area (r22009=0.42, r22011=0.25) and social area (r22009=0.31, r22011=0.26). The production of acorns could be affected by establishing conditions for the pedunculate oak with a minimum crown projection area in adult trees of at least 70 m2 and/or with a minimum release area of 300 m2 - , it means spacing between parent trees about 10 m or 100 trees per 1 ha.
dcterms:title
Tree growing space and acorn production of Quercus robur Tree growing space and acorn production of Quercus robur
skos:prefLabel
Tree growing space and acorn production of Quercus robur Tree growing space and acorn production of Quercus robur
skos:notation
RIV/62156489:43410/14:00212957!RIV15-MZE-43410___
n3:aktivita
n15:P
n3:aktivity
P(QJ1230330)
n3:cisloPeriodika
2014
n3:dodaniDat
n18:2015
n3:domaciTvurceVysledku
n11:4772539 n11:9821414 n11:1021524
n3:druhVysledku
n12:J
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n6:predkladatel
n3:idSjednocenehoVysledku
51166
n3:idVysledku
RIV/62156489:43410/14:00212957
n3:jazykVysledku
n17:eng
n3:klicovaSlova
pedunculate oak (quercus robur); acorn production; floodplain forest
n3:klicoveSlovo
n8:floodplain%20forest n8:pedunculate%20oak%20%28quercus%20robur%29 n8:acorn%20production
n3:kodStatuVydavatele
PL - Polská republika
n3:kontrolniKodProRIV
[AEB7D43363FB]
n3:nazevZdroje
Dendrobiology
n3:obor
n19:GK
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n4:QJ1230330
n3:rokUplatneniVysledku
n18:2014
n3:svazekPeriodika
71
n3:tvurceVysledku
Palátová, Eva Dobrovolný, Lumír Martiník, Antonín
n3:wos
328617500010
s:issn
1641-1307
s:numberOfPages
8
n7:doi
10.12657/denbio.071.010
n14:organizacniJednotka
43410