About: At the north-eastern extremity: variation in Cepaea nemoralis around Gdańsk, northern Poland     Goto   Sponge   NotDistinct   Permalink

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  • Variation in the shell colour and banding polymorphism in the land snail Cepaea nemoralis was studied in 260 populations in the region of Gdańsk, northern Poland. Unlike in other regions of Poland, many populations contain brown shells. Populations from shaded habitats have higher frequencies of brown than those from open and intermediate habitats, largely at the expense of yellow shells. Nearly all brown shells are also unbanded. Apart from this disequilibrium, banding morphs among yellow and pink shells show no relationship to habitat. There are no broad geographical trends in morph-frequencies, but there are very strong correlations among populations very close together, revealed both by pairwise analysis and Moran’s I. Principal Component Analyses show that these correlations relate to overall genetic similarity at the loci involved.
  • Variation in the shell colour and banding polymorphism in the land snail Cepaea nemoralis was studied in 260 populations in the region of Gdańsk, northern Poland. Unlike in other regions of Poland, many populations contain brown shells. Populations from shaded habitats have higher frequencies of brown than those from open and intermediate habitats, largely at the expense of yellow shells. Nearly all brown shells are also unbanded. Apart from this disequilibrium, banding morphs among yellow and pink shells show no relationship to habitat. There are no broad geographical trends in morph-frequencies, but there are very strong correlations among populations very close together, revealed both by pairwise analysis and Moran’s I. Principal Component Analyses show that these correlations relate to overall genetic similarity at the loci involved. (en)
Title
  • At the north-eastern extremity: variation in Cepaea nemoralis around Gdańsk, northern Poland
  • At the north-eastern extremity: variation in Cepaea nemoralis around Gdańsk, northern Poland (en)
skos:prefLabel
  • At the north-eastern extremity: variation in Cepaea nemoralis around Gdańsk, northern Poland
  • At the north-eastern extremity: variation in Cepaea nemoralis around Gdańsk, northern Poland (en)
skos:notation
  • RIV/00216224:14310/11:00053753!RIV12-MSM-14310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, Z(MSM0021622416)
http://linked.open...iv/cisloPeriodika
  • 6
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
  • 187390
http://linked.open...ai/riv/idVysledku
  • RIV/00216224:14310/11:00053753
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Cepaea nemoralis; polymorphism; natural selection; founder effects (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • SK - Slovenská republika
http://linked.open...ontrolniKodProRIV
  • [B0FCB057F4DD]
http://linked.open...i/riv/nazevZdroje
  • Biologia
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 66
http://linked.open...iv/tvurceVysledku
  • Bogucki, Zdzislaw
  • Cameron, Robert A.D.
  • Horsák, Michal
  • Ożgo, Małgorzata
http://linked.open...n/vavai/riv/zamer
issn
  • 0006-3088
number of pages
http://localhost/t...ganizacniJednotka
  • 14310
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