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  • Godhe, Anna,1967Gothenburg University,Göteborgs universitet,University of Gothenburg,Linnécentrum för marin evolutionsbiologi (CEMEB),Institutionen för marina vetenskaper,Linnaeus Centre for Marine Evolutionary Biology (CEMEB),Department of marine sciences (author)

Physical barriers and environmental gradients cause spatial and temporal genetic differentiation of an extensive algal bloom

  • Article/chapterEnglish2016

Publisher, publication year, extent ...

  • 2016-02-01
  • John Wiley & Sons,2016
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:umu-139702
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-139702URI
  • https://doi.org/10.1111/jbi.12722DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-49736URI
  • https://lup.lub.lu.se/record/c29d439b-1816-4586-81b5-38cea28df940URI
  • https://gup.ub.gu.se/publication/232121URI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-403865URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

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

Notes

  • Aim: To test if a phytoplankton bloom is panmictic, or whether geographical and environmental factors cause spatial and temporal genetic structure.Location: Baltic Sea.Method: During four cruises, we isolated clonal strains of the diatom Skeletonema marinoifrom 9 to 10 stations along a 1132 km transect and analysed the genetic structure using eight microsatellites. Using F-statistics and Bayesian clustering analysis we determined if samples were significantly differentiated. A seascape approach was applied to examine correlations between gene flow and oceanographic connectivity, and combined partial Mantel test and RDA based variation partitioning to investigate associations with environmental gradients.Results: The bloom was initiated during the second half of March in the southern and the northern- parts of the transect, and later propagated offshore. By mid-April the bloom declined in the south, whereas high phytoplankton biomass was recorded northward. We found two significantly differentiated populations along the transect. Genotypes were significantly isolated by distance and by the south–north salinity gradient, which illustrated that the effects of distance and environment were confounded. The gene flow among the sampled stations was significantly correlated with oceanographic connectivity. The depletion of silica during the progression of the bloom was related to a temporal population genetic shift.Main conclusions: A phytoplankton bloom may propagate as a continuous cascade and yet be genetically structured over both spatial and temporal scales. The Baltic Sea spring bloom displayed strong spatial structure driven by oceanographic connectivity and geographical distance, which was enhanced by the pronounced salinity gradient. Temporal transition of conditions important for growth may induce genetic shifts and different phenotypic strategies, which serve to maintain the bloom over longer periods.

Subject headings and genre

  • NATURVETENSKAP Biologi Ekologi hsv//swe
  • NATURAL SCIENCES Biological Sciences Ecology hsv//eng
  • Adaptation
  • Environmental gradient
  • Gene flow
  • Genetic structure
  • Isolation by distance
  • Population
  • Seascape
  • Skeletonema
  • Aquatic Ecology
  • Akvatisk ekologi
  • Adaptation
  • Environmental gradient
  • Gene flow
  • Genetic structure
  • Isolation by distance
  • Population
  • Seascape
  • Skeletonema
  • adaptation
  • environmental gradient
  • gene flow
  • genetic structure
  • isolation by distance
  • population
  • seascape

Added entries (persons, corporate bodies, meetings, titles ...)

  • Sjöqvist, ConnyÅbo Akademi University, Finland,Finnish Environment Institute (author)
  • Sildever, SirjeTallinn University of Technology, Estonia (author)
  • Sefbom, JosefinGothenburg University,Göteborgs universitet,University of Gothenburg,Institutionen för marina vetenskaper,Department of marine sciences (author)
  • Harðardóttir, SaraNatural History Museum of Denmark, Denmark ; University of Copenhagen, Denmark (author)
  • Bertos-Fortis, MireiaLinnaeus University,Linnéuniversitetet,Institutionen för biologi och miljö (BOM),MPEA(Swepub:lnu)mibeaa (author)
  • Bunse, CarinaLinnaeus University,Linnéuniversitetet,Institutionen för biologi och miljö (BOM),MPEA(Swepub:gu)xbunca (author)
  • Gross, Susanna,1982Gothenburg University,Göteborgs universitet,University of Gothenburg,Linnécentrum för marin evolutionsbiologi (CEMEB),Institutionen för marina vetenskaper,Linnaeus Centre for Marine Evolutionary Biology (CEMEB),Department of marine sciences(Swepub:gu)xgrosu (author)
  • Johansson, EmmaGothenburg University,Göteborgs universitet,University of Gothenburg,Linnécentrum för marin evolutionsbiologi (CEMEB),Institutionen för marina vetenskaper,Linnaeus Centre for Marine Evolutionary Biology (CEMEB),Department of marine sciences (author)
  • Jonsson, Per R.,1957Gothenburg University,Göteborgs universitet,University of Gothenburg,Linnécentrum för marin evolutionsbiologi (CEMEB),Institutionen för marina vetenskaper,Linnaeus Centre for Marine Evolutionary Biology (CEMEB),Department of marine sciences(Swepub:gu)xjpera (author)
  • Khandan Jafarabadi, SagharLund University,Lunds universitet,Enhet akvatisk ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Division aquatic ecology,Department of Biology,Faculty of Science(Swepub:lu)sa8735kh (author)
  • Legrand, CatherineLinnaeus University,Linnéuniversitetet,Institutionen för biologi och miljö (BOM),Ctr Ecol & Evolut Microbial Model Syst EEMiS;MPEA(Swepub:lnu)nleca (author)
  • Lips, IngaTallinn University of Technology, Estonia (author)
  • Lundholm, NinaNatural History Museum of Denmark, Denmark ; University of Copenhagen, Denmark (author)
  • Rengefors, Karin E.Lund University,Lunds universitet,Enhet akvatisk ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Division aquatic ecology,Department of Biology,Faculty of Science(Swepub:lu)lim-kre (author)
  • Sassenhagen, IngridUppsala universitet,Lund University,Lunds universitet,Enhet akvatisk ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Division aquatic ecology,Department of Biology,Faculty of Science,Limnologi(Swepub:uu)ingsa596 (author)
  • Suikkanen, SannaFinnish Environment Institute (author)
  • Sundqvist, Lisa,1984Gothenburg University,Göteborgs universitet,University of Gothenburg,Linnécentrum för marin evolutionsbiologi (CEMEB),Institutionen för marina vetenskaper,Linnaeus Centre for Marine Evolutionary Biology (CEMEB),Department of marine sciences(Swepub:gu)xsunli (author)
  • Kremp, AnkeFinnish Environment Institute (author)
  • University of GothenburgLinnécentrum för marin evolutionsbiologi (CEMEB) (creator_code:org_t)

Related titles

  • In:Journal of Biogeography: John Wiley & Sons43:6, s. 1130-11420305-02701365-2699

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