Drift of ostracod crustaceans in adjacent intermittent and permanent streams

Reginald Victor*, Kenneth W. Dance, H. B N Hynes

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

Ostracods were studied in the drift of adjacent permanent and intermittent streams in Southern Ontario. More species were drifting in the permanent stream than in the intermittent one. The latter developed a pool fauna during early summer and stagnant water species were predominant. Both standing and running water species were common in the permanent stream. Eleven were recorded in the drift and all but one of them are strong swimmers. I. bradyi, the only poor swimmer usually lives among vegetation and it is suggested that truly herpobenthic ostracods are less subject to drift than the others. The pattern of ostracod drift over a period of 13 months in those streams was different. The numbers drifting at the upstream and downstream stations of the same stream in a given month was variable. Ostracods were the major component of crustacean drift in both streams. Stream drift is considered as a mechanism of ostracod dispersal.

Original languageEnglish
Pages (from-to)219-223
Number of pages5
JournalHydrobiologia
Volume80
Issue number3
DOIs
Publication statusPublished - Jun 1981

Keywords

  • ostracoda
  • stream drift

ASJC Scopus subject areas

  • Water Science and Technology
  • Pollution
  • Environmental Science(all)
  • Oceanography
  • Aquatic Science

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