Table 2 Decomposition of the variance in male reproductive success

From: Sex peptide receptor-regulated polyandry modulates the balance of pre- and post-copulatory sexual selection in Drosophila

Var–cov components ControlSPR % SPR− %
var(T) 2.188   1.106  
var(M) 1.129 44.7 0.151 13.6
var(P) 1.106 43.7 0.704 63.6
var(N) 0.517 20.8 0.164 14.8
cov(M, P) −0.378 14.9 0.027 2.4
cov(M, N) 0.239 11.6 0.064 5.8
cov(N, P) 0.223 8.8 0.235 21.2
D −0.648   −0.239  
  1. Relative contributions of mating success (M), paternity share (P) and mate productivity (N) to the variance in male offspring siring (T). Delta method of variance decomposition15,27,76