Circumpolar distribution

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The range of the polar bear encircles the North Pole.

A circumpolar distribution is any

range of a taxon that occurs over a wide range of longitudes but only at high latitudes; such a range therefore extends all the way around either the North Pole or the South Pole.[1][2] Taxa that are also found in isolated high-mountain environments further from the poles are said to have arctic–alpine distributions.[3]

Animals with circumpolar distributions include the

long-tailed skua[5] in the north, and the Weddell seal[1] and Adélie penguin[1]
in the south.

Plants with northern circumpolar distributions include

Honckenya peploides.[7][8][9]

References

  1. ^
    ISBN 9780080488783
    .
  2. ^
    Oxford Reference. Oxford University Press
    . Retrieved November 19, 2014.
  3. ^
    ISBN 9781438118727
    .
  4. ISBN 978-1-4426-4456-4
    .
  5. ^
    ISBN 9780521357548
    .
  6. ISBN 9781461733492
    .
  7. hdl:10347/2341
    .
  8. ^ Hultén, Eric (1962). The circumpolar plants. 1, Vascular cryptogams, conifers, monocotyledons. Stockholm, Sweden: Almqvist & Wiksell.
  9. ^ Hultén, Eric (1971). The circumpolar plants. 2, Dicotyledons. Stockholm, Sweden: Almqvist & Wiksell.
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