Halobatrachus didactylus: Population traits

at T = 15 °C with background hazards for embryo, juv, adult: 0, 0, 0 1/d

Ln survival probability as function of age, with (dashed) and without (solid) thinning at max (red) and min (blue) scaled functional response for females.
Ln survivor function of the stable age distribution as function of age, with (dashed) and without (solid) thinning at max (red) and min (blue) scaled functional response for females.
model std f_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.261461 0.277052 0.638526 0.638526 1 1 scaled functional response
r 1/d 0 0 0.00271648 0.000674654 0.00354899 0.000822122 spec pop growth rate
t2 d NaN NaN 255.163 1027.41 195.308 843.12 population doubling time
a_b d 94.1802 93.356 83.5969 83.5969 79.9578 79.9578 age at birth
t_p d 10626.9 5817.72 1575.37 1575.37 1179.93 1179.93 time since birth at puberty
S_b - 0.999993 0.999994 0.999995 0.999995 0.999996 0.999996 survival probability at birth
S_p - 0.999965 0.52461 0.999977 0.396211 0.999981 0.349746 survival probability at puberty
theta_0b - 0.0100604 0.211422 0.20312 0.417976 0.246994 0.463256 frac of ind that is embryo
theta_bp - 0.010069 0.15288 0.16194 0.24933 0.18607 0.257677 fraction of individuals that is juvenile
theta_pi - 0.979871 0.635698 0.63494 0.332694 0.566936 0.279067 frac of ind that is adult
L_bi cm 1.79448 1.05363 0.832172 0.656478 0.822365 0.65195 mean structural length of post-natals
L2_bi cm^2 3.45833 1.66359 0.961926 0.765704 0.96059 0.791068 mean squared structural length of post-natals
L3_bi cm^3 6.8928 3.14879 1.44584 1.50788 1.50254 1.76864 mean cubed structural length of post-natals
Ww_bi g 12.2771 5.75515 4.20407 4.38445 5.99159 7.05272 mean wet weight of post-natals
L_pi cm 1.80988 1.23675 0.962511 0.914668 0.983034 0.957544 mean structural length of adults
L2_pi cm^2 3.49297 2.04296 1.1805 1.2653 1.23869 1.42416 mean squared structural length of adults
L3_pi cm^3 6.96336 3.8999 1.80571 2.61393 1.98276 3.36901 mean cubed structural length of adults
Ww_pi g 12.4028 7.12797 5.25045 7.60051 7.90654 13.4344 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0371688 0.0189458 0.0252479 0.0200976 0.039486 0.0325176 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0.155562 0.0506178 0.135048 0.0447153 yield of living structure on food
Y_VX_d mol/mol 0.0286985 0.0594289 0.00018742 0.0913116 8.53253e-05 0.0808866 yield of dead structure on food
Y_EX mol/mol 0 0 0.296764 0.0965632 0.403475 0.133594 yield of living reserve on food
Y_EX_d mol/mol 0.022418 0.0491913 0.00035754 0.174194 0.000254922 0.241661 yield of dead reserve on food
Y_CX mol/mol 0.839508 0.782005 0.437754 0.477938 0.351762 0.389768 yield of CO2 on food
Y_HX mol/mol 0.60398 0.562609 0.31494 0.34385 0.253073 0.280417 yield of H2O on food
Y_OX mol/mol -0.912965 -0.85043 -0.476057 -0.519758 -0.382541 -0.423873 yield of O2 on food
Y_NX mol/mol 0.125926 0.117301 0.0656631 0.0716907 0.0527643 0.0584653 yield of N-waste on food
mu_TX J/mol 445821 415730 231208 252619 182882 203309 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female are the same.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer