Effective number of breeders provides a link between interannual variation in stream flow and individual reproductive contribution in a stream salmonid.

Abstract excerpt

The effective number of breeders that give rise to a cohort (N(b)) is a promising metric for genetic monitoring of species with overlapping generations; however, more work is needed to understand factors that contribute to variation in this measure in natural populations. We tested hypotheses related to interannual variation in N(b) in two long-term studies of brook trout populations. We found no supporting...

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