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Table 2

Estimation of additive genetic variance (), common full-sib environmental variance (), residual variance (), heritabilities (h2) ± standard error (SE), and common full-sib environmental effect (c2) ± standard error (SE) for thermal tolerance (TT), summer survival (SS) and shell height (SH) in C. gigas ♀ × C. angulata ♂.

Trait Model h2 ± SE c2 ± SE
TT LAM 6.32e-02 1.71e-08 1.69e-01 0.27 ± 0.05* 7.37e-08
  TAMl 0.78 1.00 0.19 ± 0.03*
  TAMp 0.29 1.00 0.23 ± 0.03*
SS LAM 2.96e-02 2.04e-08 2.01e-01 0.13 ± 0.03* 8.81e-08
  TAMl 0.47 1.00 0.12 ± 0.02*
  TAMp 0.17 1.00 0.15 ± 0.03*
SH LAM 52.58 112.42 0.32 ± 0.07*

Value was not calculated since it was non-significant (LRT test).

* Significance at 0.05 level (Z-score test).

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