The influence of habitat and environment on smallmouth bass (Micropterus dolomieu) nest sites and nest success in northern Lake Michigan

Mark A. Kaemingk, Alexander Clem, Tracy L. Galarowicz

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Information on smallmouth bass nesting ecology is lacking in northern Lake Michigan, despite available information for other Great Lakes ecosystems. Our objectives were to identify factors that influenced nesting sites and nest success in a smallmouth bass population in northern Lake Michigan. Temperature, substrate firmness, and lake bottom rugosity were measured and related to the number of smallmouth bass nests in four bays. We also investigated the role of temperature, effective fetch, and storms to explain nest success. Temperature appeared to be most important in explaining the number of nests and nest success; transects that experienced the greatest number of cumulative degree days above 15 °C during nesting contained more nests and increased nest success. Our results suggest that warmer areas during spawning in northern latitude lentic systems should be protected from anthropogenic disturbances because these areas may be important for future recruitment of smallmouth bass.

Original languageEnglish
Pages (from-to)380-385
Number of pages6
JournalJournal of Great Lakes Research
Volume37
Issue number2
DOIs
StatePublished - Jun 2011

Keywords

  • Habitat
  • Lake Michigan
  • Nest survival
  • Smallmouth bass
  • Temperature

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