About: Seed bank of an invasive alien, Heracleum mantegazzianum, and its seasonal dynamics     Goto   Sponge   NotDistinct   Permalink

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  • Dvouletá studie semenné banky invazního druhu Heracleum mantegazzianum ukázala, že podíl živých semen klesl z 55.9 % na podzim (po uvolnění z mateřských rostlin) na 41.7 % na jaře (před začátkem klíčení) na 14.8 % v létě (kdy je semenná banka vyčerpána klíčením). Podíl nedormantních semen mezi živými činil 0.3 % na podzim, vzrostl na 87.5 % na jaře (poté, co přes zimu došlo k přerušení dormance) a klesl na 3.0 % v létě. Semenná banka obsahovala na podzim v průměru celkem 6719 semen/m2, na jaře pak 2044 živých semen/m2. Většina semen (95 %) je soustředěna ve svrchních 5 cm půdy, některá se však objevují i v hlubších vrstvách, což ukazuje, že druh má krátkodobě vytrvávající semennou banku. (cs)
  • Study of seed bank of an invasive alien Heracleum mantegazzianum, carried out over two vegetation periods, showed that the percentage of living seed in the seed bank decreased from 55.9% in autumn (after fruit release from mother plants) to 41.7% in spring (before the onset of germination) to 14.8% in summer (after the germination has ceased). The percentage of non-dormant seed among living was 0.3% in autumn, it increased to 87.5% in spring, and decreased to 3.0% in summer. In autumn, there were on average 6719 seed/m2 in the seed bank; in spring there were on average 2044 living seed/m2. Majority of seed (95%) were concentrated in the upper 5 cm soil layer. Some seeds, however, are present in lower soil layers, which indicates a short-term persistent seed bank.
  • Study of seed bank of an invasive alien Heracleum mantegazzianum, carried out over two vegetation periods, showed that the percentage of living seed in the seed bank decreased from 55.9% in autumn (after fruit release from mother plants) to 41.7% in spring (before the onset of germination) to 14.8% in summer (after the germination has ceased). The percentage of non-dormant seed among living was 0.3% in autumn, it increased to 87.5% in spring, and decreased to 3.0% in summer. In autumn, there were on average 6719 seed/m2 in the seed bank; in spring there were on average 2044 living seed/m2. Majority of seed (95%) were concentrated in the upper 5 cm soil layer. Some seeds, however, are present in lower soil layers, which indicates a short-term persistent seed bank. (en)
Title
  • Seed bank of an invasive alien, Heracleum mantegazzianum, and its seasonal dynamics
  • Seed bank of an invasive alien, Heracleum mantegazzianum, and its seasonal dynamics (en)
  • Semenná banka invazního druh Heracleum mantegazzianum a její sezónní dynamika (cs)
skos:prefLabel
  • Seed bank of an invasive alien, Heracleum mantegazzianum, and its seasonal dynamics
  • Seed bank of an invasive alien, Heracleum mantegazzianum, and its seasonal dynamics (en)
  • Semenná banka invazního druh Heracleum mantegazzianum a její sezónní dynamika (cs)
skos:notation
  • RIV/67985939:_____/05:00025544!RIV06-AV0-67985939
http://linked.open.../vavai/riv/strany
  • 239;248
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(AV0Z60050516)
http://linked.open...iv/cisloPeriodika
  • -
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 542102
http://linked.open...ai/riv/idVysledku
  • RIV/67985939:_____/05:00025544
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • invasion; dormancy; seed bank (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [54B3D2C40CE8]
http://linked.open...i/riv/nazevZdroje
  • Seed Science Research
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 15
http://linked.open...iv/tvurceVysledku
  • Jarošík, Vojtěch
  • Moravcová, Lenka
  • Pergl, Jan
  • Pyšek, Petr
  • Perglová, Irena
  • Krinke, L.
http://linked.open...n/vavai/riv/zamer
issn
  • 0960-2585
number of pages
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