Distribution and Ecology of Aster amellus aggregates in the Czech Republic
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985939%3A_____%2F06%3A00045310" target="_blank" >RIV/67985939:_____/06:00045310 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Distribution and Ecology of Aster amellus aggregates in the Czech Republic
Original language 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 andabiotic 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,
Czech name
Distribuce a ekologie cytotypů druhu Aster amellus v České republice
Czech description
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.
Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
EF - Botany
OECD FORD branch
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Result continuities
Project
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Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)
Others
Publication year
2006
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Annals of Botany
ISSN
0305-7364
e-ISSN
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Volume of the periodical
98
Issue of the periodical within the volume
-
Country of publishing house
GB - UNITED KINGDOM
Number of pages
12
Pages from-to
845-856
UT code for WoS article
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EID of the result in the Scopus database
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