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Time Record Of Marine Species Formation In The Baltic Sea

Date:
April 20, 2009
Source:
University of Gothenburg
Summary:
Four years ago researchers discovered a new species of seaweed in the Baltic Sea. New studies reveal that this species may have formed only 400 years ago, making this seaweed species unique.

Fucus radicans (at top), evolved from a bladder wrack (Fucus vesiculosus) - at bottomFucus radicans (at top), evolved from a bladder wrack (Fucus vesiculosus) - at bottom.
Credit: Lena Kautsky

Four years ago researchers at the University of Gothenburg and Stockholm University discovered a new species of seaweed in the Baltic Sea. New studies reveal that this species may have formed only 400 years ago, making this seaweed species unique.

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In 2005 researchers at the University of Gothenburg and Stockholm University discovered a new species of seaweed. The species, which was named Fucus radicans, evolved from a bladder wrack (Fucus vesiculosus) ancestor from the Baltic Sea.

Detailed studies of Fucus radicans show that, from an evolutionary perspective, it was formed extremely rapidly: the species was formed less than 2,500 years ago, and probably as recently as about 400 years ago. This discovery is one of few examples of extremely rapid species formation. The results also show that new species can also be formed in the relatively young and species-poor Baltic Sea.

“We are now working on understanding how the species was formed. Fucus radicans is very common in the Baltic’s Gulf of Bothnia, and we want to understand its significance to the ecosystem,” said Ricardo Pereyra, a researcher at the University of Gothenburg’s Department of Marine Ecology.


Story Source:

The above story is based on materials provided by University of Gothenburg. Note: Materials may be edited for content and length.


Journal Reference:

  1. Ricardo T Pereyra, Lena Bergstrom, Lena Kautsky and Kerstin Johannesson. Rapid speciation in a newly opened postglacial marine environment, the Baltic Sea. BMC Evolutionary Biology, 31 March 2009 DOI: 10.1186/1471-2148-9-70

Cite This Page:

University of Gothenburg. "Time Record Of Marine Species Formation In The Baltic Sea." ScienceDaily. ScienceDaily, 20 April 2009. <www.sciencedaily.com/releases/2009/04/090414084451.htm>.
University of Gothenburg. (2009, April 20). Time Record Of Marine Species Formation In The Baltic Sea. ScienceDaily. Retrieved October 31, 2014 from www.sciencedaily.com/releases/2009/04/090414084451.htm
University of Gothenburg. "Time Record Of Marine Species Formation In The Baltic Sea." ScienceDaily. www.sciencedaily.com/releases/2009/04/090414084451.htm (accessed October 31, 2014).

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