Thermal sensitivity of growth, food intake and activity of juvenile brown trout

Alfredo Fernandez Ojanguren, FG Reyes-Gavilan, F Braña

Research output: Contribution to journalArticlepeer-review

82 Citations (Scopus)

Abstract

Growth rate, food intake and activity of juvenile brown trout (Salmo trutta L.) were studied at 10 constant temperatures (2.6-22.3 degreesC) and using eight full-sib families. We found between-family differences in growth rate but not significant temperature x family interaction. The effects of temperature were well described by polynomial regressions that allowed the calculation of optima, performance breadths and thermal limits. The obtained values were noticeably higher and the performance breadth wider, than previously reported data for the species. (C) 2001 Elsevier Science Ltd. All rights reserved.

Original languageEnglish
Pages (from-to)165-170
Number of pages6
JournalJournal of Thermal Biology
Volume26
Publication statusPublished - Jun 2001

Keywords

  • Salmo trutta
  • performance breadth
  • maximum
  • optimum temperature
  • family effects
  • thermal limits
  • response curves
  • SALMO-TRUTTA
  • ONCORHYNCHUS-TSHAWYTSCHA
  • WATER TEMPERATURE
  • CHINOOK SALMON
  • RAINBOW-TROUT
  • MODEL
  • STREAM
  • ECTOTHERMS
  • FISH
  • PERFORMANCE

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