Thermal regime, predation danger and the early marine exit of sockeye salmon Oncorhynchus nerka

P.J. Katinic, D.A. Patterson, R.C. Ydenberg

Research output: Contribution to journalArticleAcademicpeer-review

7 Citations (Scopus)

Abstract

Marine exit timing of sockeye salmon Oncorhynchus nerka populations on the Haida Gwaii Archipelago, British Columbia, Canada, is described, with specific focus on Copper Creek. Marine exit in Copper Creek occurs¿>¿130¿days prior to spawning, one of the longest adult freshwater residence periods recorded for any O. nerka population. Copper Creek presents an easy upstream migration, with mild water temperatures (7 to 14°¿ C), short distance (13·1¿km) and low elevation gain (41¿m) to the lake where fish hold prior to spawning. An energetic model estimates that
Original languageEnglish
Pages (from-to)276-287
JournalJournal of Fish Biology
Volume86
Issue number1
DOIs
Publication statusPublished - 2015

Keywords

  • british-columbia
  • atlantic salmon
  • temperature
  • water
  • river
  • populations
  • mortality
  • migration
  • pacific
  • energetics

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