Scientia Marina (Dec 1999)

Sipuncula of the Magellan area compared with adjacent regions of Antarctica

  • J. I. Saiz-Salinas,
  • S. Pagola-Carte

DOI
https://doi.org/10.3989/scimar.1999.63s1227
Journal volume & issue
Vol. 63, no. S1
pp. 227 – 232

Abstract

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The Magellan sipunculan fauna includes 4 families, 7 genera and 16 species. A comparison between this fauna and that from adjacent regions of Antarctica has been made. A total of 8 species and 3 genera are shared by the compared areas. Univariate analyses show no significant statistical differences among the investigated faunas, whereas a multivariate analysis corroborates that the effects of the Antarctic Convergence are stronger at the level of genera than species. Only 3 genera were able to cross over this zoogeographical boundary. However, these 3 genera succeeded in the new biotopes of Antarctica, since a total of 16 species have been recorded, compared with the 8 species only found in the Magellan region.

Keywords