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| Description
| - Background and Aims Polyploidy is viewed as an important mechanism of sympatric speciation, but only a few studies have documented patterns of distribution and ecology of different cytotypes in their contact zone. Aster amellus agg. (Asteraceae) is one of the species with documented multiple ploidy levels. The aim of this study was to determine spatial distribution and ecology of two cytotypes, diploid (2n = 18) and hexaploid (2n = 54), of Aster amellus agg. at their contact zone in the Czech Republic. center dot Methods Root-tip squashes and flow cytometry were used to determine the ploidy of 2175 individuals from 87 populations. To test whether some differences in ecology between the two ploidy levels exist, in each locality releves were recorded and abiotic conditions of the sites were studied by estimating potential direct solar radiation, Ellenberg indicator values and above-ground biomass. center dot Key Results Together with diploid and hexaploids, minorite cytotypes (triploid, pentaploid a...
- Background and Aims Polyploidy is viewed as an important mechanism of sympatric speciation, but only a few studies have documented patterns of distribution and ecology of different cytotypes in their contact zone. Aster amellus agg. (Asteraceae) is one of the species with documented multiple ploidy levels. The aim of this study was to determine spatial distribution and ecology of two cytotypes, diploid (2n = 18) and hexaploid (2n = 54), of Aster amellus agg. at their contact zone in the Czech Republic. center dot Methods Root-tip squashes and flow cytometry were used to determine the ploidy of 2175 individuals from 87 populations. To test whether some differences in ecology between the two ploidy levels exist, in each locality releves were recorded and abiotic conditions of the sites were studied by estimating potential direct solar radiation, Ellenberg indicator values and above-ground biomass. center dot Key Results Together with diploid and hexaploids, minorite cytotypes (triploid, pentaploid a... (en)
- Cílem projektu bylo prostudovat rozšíření a ekologii diploidních a hexaploidních populací druhu Aster amellus v České Republice. Výsledky ukazují, že Česká republika se nachází v kontaktní zóně obou cytotypů. V práci nebyli nalezeny žádné smíšené populace druhu a to přes to, že se populace obou ploidií vyskytují velmi blízko sebe. Zajímavé také je, že nebyl nalezen žádný ekologický faktor diferencující obě ploidie. Pro pochopení pozorovaného pattern jsou potřeba další podrobnější studie. (cs)
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| Title
| - Distribution and Ecology of Aster amellus aggregates in the Czech Republic
- Distribuce a ekologie cytotypů druhu Aster amellus v České republice (cs)
- Distribution and Ecology of Aster amellus aggregates in the Czech Republic (en)
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| skos:prefLabel
| - Distribution and Ecology of Aster amellus aggregates in the Czech Republic
- Distribuce a ekologie cytotypů druhu Aster amellus v České republice (cs)
- Distribution and Ecology of Aster amellus aggregates in the Czech Republic (en)
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| skos:notation
| - RIV/67985939:_____/06:00045310!RIV07-AV0-67985939
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| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/67985939:_____/06:00045310
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - Distribution; Ecology; Aster amellus (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Münzbergová, Zuzana
- Mandáková, T.
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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