An Evaluation of Lake Trout Spawning Habitat Characteristics and Methods for Their Detection (Fitzsimons, 1994)
This technical report evaluates lake trout spawning habitat characteristics in inland and Great Lakes environments, synthesizing data from verified spawning sites to develop criteria for identifying new spawning locations. The study identifies physical and hydrological factors (multi-layered cobble substrates, depth-related to lake size, slope inclination, currents) as primary determinants of spawning site selection, and recommends buried egg entrapment gear as superior to surface methods for detecting spawning habitat.
- Date
- 1994-01-01
- Document type
- report
- Parties
- John D. Fitzsimons, Great Lakes Laboratory for Fisheries and Aquatic Sciences, Department of Fisheries and Oceans, Canada Centre for Inland Waters
- Locations
- Great Lakes, Lake Superior, Lake Ontario, Lake Michigan, Lake Huron, inland lakes, Yorkshire Island, Stony Island, Yorkshire Bar, Elmwood Marina, Grand Traverse Bay, Presque Isle Harbour, Shirley Lake, Green Lake, Lake Simcoe, Seneca Lake, Finger Lakes, Marquette Harbour, Burlington Pier, Lake Opeongo, Gamitagama Lake, Peach Orchard Point, Devil Lake, Opeongo Lake, Louisa Lake, Great Bear Lake, Canadian Shield
- Parameters
- lake trout spawning habitat, cobble substrate, water depth, spawning depth, egg deposition, substrate size, currents, sedimentation, dissolved oxygen, ammonia, fetch, slope inclination, interstitial spaces, egg survival, fry emergence, predation, water temperature, egg entrapment gears
- Pages
- 34
Original document
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