POKRYSZKO, Beata M., Robert A. D. CAMERON a Michal HORSÁK. Variation in the shell colour and banding polymorphism of Cepaea nemoralis (L.) in rular areas around Wrocław. Folia Malacologica. 2012, roč. 20, č. 2, s. 87-98. ISSN 1506-7629.
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Základní údaje
Originální název Variation in the shell colour and banding polymorphism of Cepaea nemoralis (L.) in rular areas around Wrocław
Autoři POKRYSZKO, Beata M. (616 Polsko), Robert A. D. CAMERON (826 Velká Británie a Severní Irsko) a Michal HORSÁK (203 Česká republika, garant, domácí).
Vydání Folia Malacologica, 2012, 1506-7629.
Další údaje
Originální jazyk angličtina
Typ výsledku Článek v odborném periodiku
Obor 10600 1.6 Biological sciences
Stát vydavatele Polsko
Utajení není předmětem státního či obchodního tajemství
Kód RIV RIV/00216224:14310/12:00060190
Organizační jednotka Přírodovědecká fakulta
Klíčová slova anglicky terrestrial snails; polymorphism; Cepaea nemoralis; rural populations
Štítky AKR, rivok
Změnil Změnila: Mgr. Lucie Jarošová, DiS., učo 205746. Změněno: 7. 4. 2015 13:22.
Anotace
105 samples of Cepaea nemoralis (L.) were made in rural locations around the city of Wroclaw in 2008-10. Variation in the shell colour and banding polymorphism showed no relationship to habitat, nor were there any large-scale geographical patterns. In some morphs, there were strong frequency correlations between samples close to one another, but these never extended beyond 20 km, and usually involved much shorter distances. Relative to populations within the city, these populations vary more among themselves, but are individually less polymorphic. Linkage disequilibria in common between city and country suggest a common origin. These results suggest that rural populations have a more recent origin, and that they are more isolated from one another than those in the city. A process of recent passive dispersal by humans, with some local spread appears to account for the pattern of variation observed.
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