Supplemental Figures
̂𝑏 from LDNe (𝑁
̂𝑏−𝐿𝐷𝑁𝑒 ) and 𝑁
̂𝑏 calculated from full-sib
Fig. S2. Relationship between 𝑁
̂𝑏−𝑓𝑎𝑚 ), following Waples and Waples (2011) for WB.
family distributions (𝑁
Fig. S3. Contribution of number of families, family evenness, and variance obtained from
̂𝑏 for WB. Correlations were
fitted negative binomial distributions to variation in 𝑁
̂𝑏 from LDNe
performed for each of these components of family structure and 𝑁
̂𝑏−𝐿𝐷𝑁𝑒 ; panels a, b, and c) or 𝑁
̂𝑏 calculated from full-sib family distributions (𝑁
̂𝑏−𝑓𝑎𝑚 ;
(𝑁
panels d, e, and f). Pearson correlation coefficients and associated P-values are shown.
Fig. S4. Full-sibling family distributions for the 2001 to 2009 cohorts from WB. Family
size is the number of estimated full-sibs per family. NG is the number of individuals
̂𝑓𝑎𝑚 is the number of estimated full-sib families. 𝜆̂ is the mean
genotyped per cohort. 𝑁
family size, based on the mean of a fitted negative binomial distribution of full-sib
̂ is family evenness. 2 is variance from a negative binomial
families within a cohort. 𝐹𝐸
̂𝑏−𝐿𝐷𝑁𝑒 is the effective
distribution fitted to full-sib family distributions of each cohort. 𝑁
̂𝑏−𝑓𝑎𝑚 is based on equation 6
number of breeders estimated with program LDNe. 𝑁
from Waples & Waples (2011). For WB 2001, estimates are based only on the mainstem.
For all other cohorts, estimates are based on combined genotypes from the mainstem
and two connected tributaries.
Fig. S5. Contribution of number of families, family evenness, and variance obtained from
̂𝑏 for FG. Correlations were
fitted negative binomial distributions to variation in 𝑁
̂𝑏 from LDNe
performed for each of these components of family structure and 𝑁
̂𝑏−𝐿𝐷𝑁𝑒 ; panels a, b, and c) or 𝑁
̂𝑏 calculated from full-sib family distributions (𝑁
̂𝑏−𝑓𝑎𝑚 ;
(𝑁
panels d, e, and f). Pearson correlation coefficients and associated P-values are shown.
Fig. S6. Full-sibling family distributions for five cohorts from FG. Family size is the
number of estimated full-sibs per family. NG is the number of individuals genotyped per
̂𝑓𝑎𝑚 is the number of estimated full-sib families. 𝜆̂ is the mean family size,
cohort. 𝑁
based on the mean of a fitted negative binomial distribution of full-sib families within a
̂ is family evenness. 2 is variance from a negative binomial distribution fitted
cohort. 𝐹𝐸
̂𝑏−𝐿𝐷𝑁𝑒 is the effective number of
to full-sib family distributions of each cohort. 𝑁
̂𝑏−𝑓𝑎𝑚 is based on equation 6 from Waples &
breeders estimated with program LDNe. 𝑁
Waples (2011).
H1: Nb reflects NC
Predic on: Nb and NC posi vely correlated
Yes
Nb useful for tracking
popula on trend
within popula ons
No
H2: Environmental factors constrain
Nb through effects on variance in
reproduc ve success
Predic on: Nb and seasonal flow
nega vely related (intermediate
op mum possible)
H2a: Variance in reproduc ve
success is density-dependent
(gene c compensa on)
Predic on: Variance in family size
and density posi vely correlated
Fig. S1
Nb useful for
monitoring
habitat
reproduc ve
capacity (within
and among
popula ons)
Fig. S2
Fig. S3
Fig. S4
Fig. S5
Fig. S6