Importance of food and predators to Lake Whitefish and Cisco recruitment in Lake Michigan

  • Mcnaught, Scott S. (PI)
  • Kanauchi, Makoto M. (PI)
  • Blomley, Nicholas N. (PI)

Grant Details

Description

Since the early 2000s, Lake Whitefish (LWF) populations in Lake Michigan have declined whereas Cisco populations have increased. Changes in food resources coupled with differential vulnerability to predators may have negatively affected LWF recruitment and positively influenced Cisco. We will examine the spatio-temporal variability in nearshore zooplankton resources and the dietary preferences and growth of larval fish in situ. Laboratory experiments will highlight reactions of each species to food availability and vulnerability to nearshore predators.

StatusActive
Effective start/end date01/1/99 → …

Funding

  • Great Lakes Fishery Trust: $207,585.00

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