Summary
Two species of the echinoid genus Sterechinus were documented from 92 trawl stations and 55 photographic stations in the eastern and southern Weddell Sea between 100 and 1200 m water depth. We found two species occuring along the whole shelf and slope, S. neumayeri being more abundant above 450 m water depth and S. antarcticus dominating the deeper regions. The size-frequency distributions of both species indicate differences in growth, mortality and longevity. First estimates of abundance and biomass of S. neumayeri and S. antarcticus are 0.085 ind/m2 & 0.005 gAFDW/m2 and 0.022 ind/m2 & 0.005 gAFDW/m2, respectively.
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AWI Publication No. 392
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Brey, T., Gutt, J. The genus Sterechinm (Echinodermata: Echinoidea) on the Weddell Sea shelf and slope (Antarctica): distribution, abundance and biomass. Polar Biol 11, 227–232 (1991). https://doi.org/10.1007/BF00238455
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DOI: https://doi.org/10.1007/BF00238455