Abstract
The occurrence, distribution and summer variation of pelagic larvae of benthic gastropods in the shallow coastal area of Admiralty Bay were determined for the summers of 1993/1994, 1994/1995 and 1996/1997 from plankton samples taken at 15- to 30-m depths in 12 stations. Significant differences were found among years at the end of January and February. Results of Principal Component Analysis showed the inverse relation of high wind speed and abundance of gastropod larvae in the three austral summers sampled, and suggested that environmental conditions prevalent during 1994/1995 and 1995/1997 were similar and differed from those of 1993/1994, which may have influenced the number of larvae observed.
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Acknowledgements
We thank Professor John Pearse for his helpful comments and suggestions. We also thank two anonymous referees for their constructive criticism. This work was supported by a grant from CNPQ/PROANTAR (Conselho Nacional de Pesquisa e Desenvolvimento Tecnológico/Programa Antártico Brasileiro). Logistical support was provided by SECIRM (Secretaria da Comissão Interministerial para os Recursos do Mar-Marinha do Brasil).
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Absher, T.M., Boehs, G., Feijó, A.R. et al. Pelagic larvae of benthic gastropods from shallow Antarctic waters of Admiralty Bay, King George Island. Polar Biol 26, 359–364 (2003). https://doi.org/10.1007/s00300-003-0479-y
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DOI: https://doi.org/10.1007/s00300-003-0479-y