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  • Johannesson, Kerstin,1955Gothenburg University,Göteborgs universitet,Linnécentrum för marin evolutionsbiologi (CEMEB),Institutionen för marin ekologi, Tjärnö marinbiologiska laboratorium,Linnaeus Centre for Marine Evolutionary Biology (CEMEB),Department of Marine Ecology, Tjärnö Marine Biological Laboratory (author)

FREQUENT CLONALITY IN FUCOIDS (FUCUS RADICANS AND FUCUS VESICULOSUS; FUCALES, PHAEOPHYCEAE) IN THE BALTIC SEA

  • Article/chapterEnglish2011

Publisher, publication year, extent ...

  • 2011-08-19
  • Wiley,2011
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:su-69912
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-69912URI
  • https://doi.org/10.1111/j.1529-8817.2011.01032.xDOI
  • https://gup.ub.gu.se/publication/153148URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • authorCount :8
  • Asexual reproduction by cloning may affect the genetic structure of populations, their potential to evolve, and, among foundation species, contributions to ecosystem functions. Macroalgae of the genus Fucus are known to produce attached plants only by sexual recruitment. Recently, however, clones of attached plants recruited by asexual reproduction were observed in a few populations of Fucus radicans Bergstrom et L. Kautsky and F. vesiculosus L. inside the Baltic Sea. Herein we assess the distribution and prevalence of clonality in Baltic fucoids using nine polymorphic microsatellite loci and samples of F. radicans and F. vesiculosus from 13 Baltic sites. Clonality was more common in F. radicans than in F. vesiculosus, and in both species it tended to be most common in northern Baltic sites, although variation among close populations was sometimes extensive. Individual clonal lineages were mostly restricted to single or nearby locations, but one clonal lineage of F. radicans dominated five of 10 populations and was widely distributed over 550 x 100 km of coast. Populations dominated by a few clonal lineages were common in F. radicans, and these were less genetically variable than in other populations. As thalli recruited by cloning produced gametes, a possible explanation for this reduced genetic variation is that dominance of one or a few clonal lineages biases the gamete pool resulting in a decreased effective population size and thereby loss of genetic variation by genetic drift. Baltic fucoids are important habitat-forming species, and genetic structure and presence of clonality have implications for conservation strategies.

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  • Johansson, Daniel H,1982Gothenburg University,Göteborgs universitet,Institutionen för marin ekologi, Tjärnö marinbiologiska laboratorium,Department of Marine Ecology, Tjärnö Marine Biological Laboratory(Swepub:gu)xjodan (author)
  • Larsson, Karl-Henrik,1948Gothenburg University,Göteborgs universitet,Institutionen för marin ekologi, Tjärnö marinbiologiska laboratorium,Department of Marine Ecology, Tjärnö Marine Biological Laboratory(Swepub:gu)xlarka (author)
  • Huenchunir, Cecilia J.Gothenburg University,Göteborgs universitet,Institutionen för marin ekologi, Tjärnö marinbiologiska laboratorium,Department of Marine Ecology, Tjärnö Marine Biological Laboratory (author)
  • Perus, Jens (author)
  • Forslund, HelenaStockholms universitet,Botaniska institutionen(Swepub:su)hefo0836 (author)
  • Kautsky, LenaStockholms universitet,Botaniska institutionen(Swepub:su)lkaut (author)
  • Pereyra, Ricardo T.,1974Gothenburg University,Göteborgs universitet,Institutionen för marin ekologi, Tjärnö marinbiologiska laboratorium,Department of Marine Ecology, Tjärnö Marine Biological Laboratory(Swepub:gu)xperri (author)
  • Göteborgs universitetLinnécentrum för marin evolutionsbiologi (CEMEB) (creator_code:org_t)

Related titles

  • In:Journal of Phycology: Wiley47:5, s. 990-9980022-36461529-8817

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