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Abstract
In August 1987, the Michigan Department of Natural Resources (MDNR), with the help and co-sponsorship of Walleyes for Iosco County, constructed Tawas artificial reef to improve recreational fishing in Tawas Bay. Post-construction assessment in October, 1987, by the MDNR found twice as many adult lake trout in a gill net set on the reef as in a similar net set off the reef, indicating that lake trout already had begun to investigate this new habitat. Similar netting efforts in October 1989 caught three times as many adults on the reef as off it, even though the on-reef net was set for less than one third as long a period. Using a remotely operated vehicle (ROV), we detected prespawning aggregations of lake trout on the reef in fall 1989, and MDNR biologists set emergent fly traps on the reef in April-May 1990-1991. These fry traps captured several newly emerged lake trout and lake whitefish fry, demonstrating that eggs of both species has hatched successfully. Gill netting in 1992-1993 by U.S. Fish and Wildlife Service biologists netted large numbers of ripe lake trout in late October and ripe lake whitefish in early to mid-November. The purpose of this paper is to describe the relative quantities of eggs deposited and the spatial patterns of egg deposition by lake trout and lake whitefish at Tawas artificial reef during 1990-1993.
| Publication type | Book chapter |
|---|---|
| Publication Subtype | Book Chapter |
| Title | Patterns of egg deposition by lake trout and lake whitefish at Tawas artificial Reef, Lake Huron, 1990-1993 |
| Year Published | 1995 |
| Language | English |
| Publisher | SPB Academic Publishing |
| Publisher location | Amsterdam |
| Contributing office(s) | Great Lakes Science Center |
| Description | p. 191-206 |
| Larger Work Type | Book |
| Larger Work Subtype | Other Government Series |
| Larger Work Title | The Lake Huron ecosystem: ecology, fisheries, and management |
| First page | 191 |
| Last page | 206 |
| Google Analytic Metrics | Metrics page |