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Diatoms define a novel freshwater biogeography of the Antarctic

Elie Verleyen (UGent) , Bart Van de Vijver, Bjorn Tytgat (UGent) , Eveline Pinseel (UGent) , Dominic A. Hodgson, Katerina Kopalova, Steven L. Chown, Eric Van Ranst (UGent) , Satoshi Imura, Sakae Kudoh, et al.
(2021) ECOGRAPHY. 44(4). p.548-560
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Abstract
Terrestrial biota in the Antarctic are more globally distinct and highly structured biogeographically than previously believed, but information on biogeographic patterns and endemism in freshwater communities is largely lacking. We studied biogeographic patterns of Antarctic freshwater diatoms based on the analysis of species occurrences in a dataset of 439 lakes spread across the Antarctic realm. Highly distinct diatom floras, both in terms of composition and richness, characterize Continental Antarctica, Maritime Antarctica and the sub-Antarctic islands, with marked biogeographic provincialism in each region. A total of 44% of all species is estimated to be endemic to the Antarctic, and most of them are confined to a single biogeographic region. The level of endemism significantly increases with increasing latitude and geographic isolation. Our results have implications for conservation planning, and suggest that successful dispersal of freshwater diatoms to and within the Antarctic is limited, fostering the evolution of highly endemic diatom floras.
Keywords
Antarctica, biogeography, diatoms, endemism, freshwater, lake

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MLA
Verleyen, Elie, et al. “Diatoms Define a Novel Freshwater Biogeography of the Antarctic.” ECOGRAPHY, vol. 44, no. 4, 2021, pp. 548–60, doi:10.1111/ecog.05374.
APA
Verleyen, E., Van de Vijver, B., Tytgat, B., Pinseel, E., Hodgson, D. A., Kopalova, K., … Vyverman, W. (2021). Diatoms define a novel freshwater biogeography of the Antarctic. ECOGRAPHY, 44(4), 548–560. https://doi.org/10.1111/ecog.05374
Chicago author-date
Verleyen, Elie, Bart Van de Vijver, Bjorn Tytgat, Eveline Pinseel, Dominic A. Hodgson, Katerina Kopalova, Steven L. Chown, et al. 2021. “Diatoms Define a Novel Freshwater Biogeography of the Antarctic.” ECOGRAPHY 44 (4): 548–60. https://doi.org/10.1111/ecog.05374.
Chicago author-date (all authors)
Verleyen, Elie, Bart Van de Vijver, Bjorn Tytgat, Eveline Pinseel, Dominic A. Hodgson, Katerina Kopalova, Steven L. Chown, Eric Van Ranst, Satoshi Imura, Sakae Kudoh, Wim Van Nieuwenhuyze, Koen Sabbe, and Wim Vyverman. 2021. “Diatoms Define a Novel Freshwater Biogeography of the Antarctic.” ECOGRAPHY 44 (4): 548–560. doi:10.1111/ecog.05374.
Vancouver
1.
Verleyen E, Van de Vijver B, Tytgat B, Pinseel E, Hodgson DA, Kopalova K, et al. Diatoms define a novel freshwater biogeography of the Antarctic. ECOGRAPHY. 2021;44(4):548–60.
IEEE
[1]
E. Verleyen et al., “Diatoms define a novel freshwater biogeography of the Antarctic,” ECOGRAPHY, vol. 44, no. 4, pp. 548–560, 2021.
@article{8711356,
  abstract     = {{Terrestrial biota in the Antarctic are more globally distinct and highly structured biogeographically than previously believed, but information on biogeographic patterns and endemism in freshwater communities is largely lacking. We studied biogeographic patterns of Antarctic freshwater diatoms based on the analysis of species occurrences in a dataset of 439 lakes spread across the Antarctic realm. Highly distinct diatom floras, both in terms of composition and richness, characterize Continental Antarctica, Maritime Antarctica and the sub-Antarctic islands, with marked biogeographic provincialism in each region. A total of 44% of all species is estimated to be endemic to the Antarctic, and most of them are confined to a single biogeographic region. The level of endemism significantly increases with increasing latitude and geographic isolation. Our results have implications for conservation planning, and suggest that successful dispersal of freshwater diatoms to and within the Antarctic is limited, fostering the evolution of highly endemic diatom floras.}},
  author       = {{Verleyen, Elie and Van de Vijver, Bart and Tytgat, Bjorn and Pinseel, Eveline and Hodgson, Dominic A. and Kopalova, Katerina and Chown, Steven L. and Van Ranst, Eric and Imura, Satoshi and Kudoh, Sakae and Van Nieuwenhuyze, Wim and Sabbe, Koen and Vyverman, Wim}},
  issn         = {{0906-7590}},
  journal      = {{ECOGRAPHY}},
  keywords     = {{Antarctica,biogeography,diatoms,endemism,freshwater,lake}},
  language     = {{eng}},
  number       = {{4}},
  pages        = {{548--560}},
  title        = {{Diatoms define a novel freshwater biogeography of the Antarctic}},
  url          = {{http://doi.org/10.1111/ecog.05374}},
  volume       = {{44}},
  year         = {{2021}},
}
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