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An r-strategist in Antarctic pack ice
Bergmans, M.; Dahms, H.-U.; Schminke, H.K. (1990). An r-strategist in Antarctic pack ice, in: (1990). IZWO Coll. Rep. 20(1990). IZWO Collected Reprints, 20: pp. chapter 33
In: (1990). IZWO Coll. Rep. 20(1990). IZWO Collected Reprints, 20[s.n.][s.l.], more
In: IZWO Collected Reprints. Instituut voor Zeewetenschappelijk Onderzoek: Bredene & Oostende. ISSN 0772-1250, more

Also published as
  • Bergmans, M.; Dahms, H.-U.; Schminke, H.K. (1991). An r-strategist in Antarctic pack ice. Oecologia 86: 305-309, more

Keywords
    Polar waters; Population structure; Reproduction; Reproductive cycle; Sea ice; Temperature effects; Copepoda [WoRMS]; Drescheriella glacialis Dahms & Dieckmann, 1987 [WoRMS]; PS, Antarctica [Marine Regions]; PSW, Weddell Sea [Marine Regions]; Marine

Authors  Top 
  • Bergmans, M., more
  • Dahms, H.-U.
  • Schminke, H.K.

Abstract
    The Antarctic copepod Drescheriella glacialis, an inhabitant of sea ice, is the first polar invertebrate metazoan to have been cultured throughout its life cycle. We describe its demographic characteristics on the basis of a laboratory cohort study and correlative field data. When compared to its closest temperate zone relatives, D. glacialis shows temperate compensation of developmental and reproductive rates. A genuine r-strategist in every respect, it does not fit established trends for Antarctic invertebrates but appears well adapted to the peculiar spatio-temporal variability.

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