Benthic community productivity in the Magellan Region and in the Weddell Sea

Authors

  • Thomas Brey Alfred Wegener Institute for Polar and Marine Research
  • Dieter Gerdes Alfred Wegener Institute for Polar and Marine Research

DOI:

https://doi.org/10.3989/scimar.1999.63s1145

Keywords:

zoobenthos, productivity, Antarctica, Magellan region

Abstract


Our comparison of macrobenthic biomass, production and productivity of the Magellan region (14 - 349 m water depth) and the Weddell Sea (132 - 548 m water depth) is based on multi box corer samples collected in both areas. Biomass is slightly but not significantly lower in the Magellan region (7.3 g C m-2) than in the Weddell Sea (12.0 g C m-2). Annual production and P/B ratio are higher in the Magellan region (5.1 g C m-2 y-1, 0.7 y-1) as compared to the Weddell Sea (3.6 g C m-2 y-1, 0.3 y-1). In the Magellan region, Mollusca, Polychaeta and Arthropoda dominate benthic production, whereas in the Weddell Sea Polychaeta, Porifera and Echinodermata are the most productive taxa.

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Published

1999-12-30

How to Cite

1.
Brey T, Gerdes D. Benthic community productivity in the Magellan Region and in the Weddell Sea. Sci. mar. [Internet]. 1999Dec.30 [cited 2024May21];63(S1):145-8. Available from: https://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/898

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