Table 1 Overview of notation.
From: Coevolution of parental investment and sexually selected traits drives sex-role divergence
Symbol | Meaning |
---|---|
T | Female care duration |
n | Number of females per breeding attempt |
k | Strength of sexual selection on females (proportion of maturing females qualified to mate) |
μ I , μ O | Female mortality during time-in and time-out |
x | Female competitiveness |
r | Maturation sex ratio (MSR) |
M | Mate search coefficient |
α | Shape coefficient of brood survival function |
γ | Synergy coefficient |
τ | Expected care duration per brood provided by a given female (accounting for the possibility that she may die during care) |
a | Mating rate of female qualified to mate |
p | Probability to survive a given time-in period (for female qualified to mate) |
s | Probability to survive a given time-out period (for caring female) |
b | Brood size |
S | Brood survival |
W | Fitness of average female |
v | Reproductive value of average female |
r O | Operational sex ratio (OSR) |
r A | Adult sex ratio (ASR) |