Table 4.
Summary statistics from pedigree analyses for larval sea lamprey of different age classes collected from two streams
| Statistic | Duffins Creek age cohorts | St. Clair River age cohorts | |||
|---|---|---|---|---|---|
| 1 | 2 | 3+ | 2 | 3+ | |
| No. of larvae sampled | 38 | 146 | 30 | 15 | 16 |
| Mean (variance) in adult RSa | 4.8 (58.3) | 7.0 (149.2) | 2.4 (5.2) | NA | NA |
| Nb (95% CI)b | 5 (2–20) | 8 (4–24) | 17 (10–35) | NA | NA |
| Nb (95% CI)c | 6 (3–10) | 10 (8–12) | 14 (9–24) | NA | NA |
| Nb (95% CI)d | 6 (3–10) | 10 (8–12) | 14 (9–24) | NA | NA |
| Obs. Nse | 16 | 42 | 25 | 30 | 32 |
| No. of full‐sib dyads | 568 | 2,926 | 84 | 0 | 0 |
| No. of half‐sib dyads | 24 | 2002 | 40 | 0 | 0 |
| Cohort coancestry | 0.103 | 0.046 | 0.030 | 0 | 0 |
| Cohort relatedness | 0.26 | 0.13 | 0.06 | NA | NA |
a
Reproductive success defined as the number of offspring assigned to unsampled parents based on pedigree reconstruction.
b
Effective number of breeding adults (Wang, 2004) producing larvae for each cohort and stream.
c
Effective number of breeding adults (Waples & Do, 2008) estimated based on linkage disequilibrium; only interscaffold locus pairs included.
d
Effective number of breeding adults (Waples & Do, 2008) estimated based on linkage disequilibrium; all locus pairs were included.
e
Number of adults producing larvae in inferred pedigrees for each age class and stream.