Abstract
Early studies (1960–63) at Trappers Lake indicated an exploitation of the spawning population of cutthroat trout. A 254 mm size limit was imposed in 1964, and during 1967–68 various aspects of the trout fishery and population were measured to assess effect of the regulation. Statistical analysis of creel census data indicated no significant difference in catch per man hour between years. Neither was there a statistically detectable change in the size structure of the population nor a demonstrable difference between mean spawner age for each year. There was no significant difference between length and weight data for two pre-regulation years. Indications are that the size limit had little, if any, measurable effect on the cutthroat trout population.
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