Letter | Published:

Speciation of Polychætes in the Clyde Sea Area

Nature volume 169, page 975 (07 June 1952) | Download Citation

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Abstract

ISOLATION is regarded as an important factor in speciation, and when the population isolated is small its divergence from the main stock is more rapid than when it is large. Most of the evidence in support of current theories of the mechanism of speciation has come from the study of terrestrial and freshwater organisms. The difficulties involved in studying speciation in marine animals are obvious. Apart from the difficulty of collecting adequate samples, there is the additional one that there are fewer barriers which can serve to isolate populations, and so the phenomenon is likely to be much less marked.

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References

  1. 1.

    , “The British Marine Annelids”, 2, pt. 2, 383 (Ray Society, London, 1873–1923).

  2. 2.

    , Proc. Roy. Soc. Edin. (in the press).

  3. 3.

    , Nature, 166, 447 (1950).

  4. 4.

    , Medd. Komm. Danm. Fisk- og Havunders., ser. Plankton, 4, 1 (1946).

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Author information

Affiliations

  1. Department of Zoology, University, Glasgow, W.2, and Marine Station, Millport. Sept. 27.

    • R. B. CLARK

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DOI

https://doi.org/10.1038/169975a0

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