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• Significant fluctuations in abundance occur
between years at fishways.
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• Indications indicate that declines have
occurred in rainbow trout runs.
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• This supports anecdotal reports from anglers
that populations were down.
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• At the same time increased stocking levels at
some tributaries has resulted in increased abundance of stocked fish in
spawning runs.
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•Although declines have occurred stocking may
have helped to dampen the effects of declining populations it masked the loss
of natural reproduction.
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