Estimates of adult Lake Trout mortality from coded wire tags in a population with developing natural reproduction in southern Lake Michigan

Impact statement Following a decades‐long stocking program, promising levels of naturally produced Lake Trout are emerging. We conclude that low total mortality rates contributed to the emerging natural reproduction in southern Lake Michigan through increasing spawning stock density and age structur...

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Bibliographic Details
Published in:North American journal of fisheries management 2023-08, Vol.43 (4), p.1035-1051
Main Authors: Clark, Richard D., Ebener, Mark P., Bence, James R., Kornis, Matthew S., Bronte, Charles R., Treska, Theodore J., Jonas, Jory L., Madenjian, Charles P., Tsehaye, Iyob W.
Format: Article
Language:English
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Summary:Impact statement Following a decades‐long stocking program, promising levels of naturally produced Lake Trout are emerging. We conclude that low total mortality rates contributed to the emerging natural reproduction in southern Lake Michigan through increasing spawning stock density and age structure, and that previous estimates of the background natural mortality rate were too high. This is an important finding for encouraging Lake Trout restoration elsewhere in the Great Lakes.
ISSN:0275-5947
1548-8675
DOI:10.1002/nafm.10916