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Morphological variation in Kellicottia longispina

  • W. T. Edmondson
  • Arni H. Litt
Conference paper
Part of the Developments in Hydrobiology book series (DIHY, volume 52)

Abstract

The lengths of the body, the posterior spine and the three longest anterior spines were measured for 25 specimens of Kellicottia longispina from each of the eight lakes distributed from Imikpuk at Point Barrow, Alaska (latitude 71° 15′) to Lake Washington (latitude 47° 38′). Collections were available for more than two dates from six of the lakes. Temperature ranged from 1.2° to 18° C. Mean lengths and ratios were examined in relation to latitude and temperature. Each population differed from the others in some aspect of absolute size, variability, or shape as expressed by the ratios of the dimensions. The population from Point Barrow is similar but not identical to Olofsson’s var. heterospina.

Key words

Zooplankton Rotifera biogeography arctic limnology 

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Copyright information

© Kluwer Academic Publishers 1989

Authors and Affiliations

  • W. T. Edmondson
    • 1
  • Arni H. Litt
    • 1
  1. 1.Department of Zoology, NJ-15University of WashingtonSeattleUSA

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