Andrias davidianus: Population traits

at T = 10 °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 - 0.288725 0.312402 0.656201 0.656201 1 1 scaled functional response
r 1/d 0 0 0.00134045 0.000143484 0.0017256 0.000171134 spec pop growth rate
t2 d NaN NaN 517.101 4830.83 401.685 4050.32 population doubling time
a_b d 86.3242 85.3775 78.0837 78.0837 75.1637 75.1637 age at birth
t_p d 22190.3 8822.53 2966.36 2966.36 2273.96 2273.96 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 0.999999 0.472485 1 0.374462 1 0.336481 survival probability at puberty
theta_0b - 0.00258999 0.210833 0.0993067 0.385529 0.121568 0.425835 frac of ind that is embryo
theta_bp - 0.00259238 0.144778 0.0895096 0.23333 0.106857 0.24401 fraction of individuals that is juvenile
theta_pi - 0.994818 0.644389 0.811184 0.381141 0.771575 0.330155 frac of ind that is adult
L_bi cm 5.59656 3.21444 2.49564 1.76514 2.45708 1.68503 mean structural length of post-natals
L2_bi cm^2 32.4212 17.0686 9.41659 8.95236 9.48361 9.31945 mean squared structural length of post-natals
L3_bi cm^3 190.428 103.086 46.393 78.5988 49.6786 104.074 mean cubed structural length of post-natals
Ww_bi g 320.18 179.085 118.236 200.315 166.916 349.68 mean wet weight of post-natals
L_pi cm 5.60986 3.82763 2.71235 2.53179 2.72129 2.54182 mean structural length of adults
L2_pi cm^2 32.5051 20.8499 10.4239 14.2686 10.7542 15.9979 mean squared structural length of adults
L3_pi cm^3 190.924 126.22 51.4946 126.628 56.5341 180.878 mean cubed structural length of adults
Ww_pi g 321.013 219.274 131.238 322.722 189.95 607.733 mean wet weight of adults
R 1/d 0 0 0 0 0 0.000958677 mean reproduction rate of adults
J_X g/d 0.517507 0.294791 0.341612 0.324771 0.524295 0.51522 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 0.182041 0.034725 0.163506 0.034569 yield of living structure on food
Y_VX_d mol/mol 0.0129083 0.0327067 2.23923e-05 0.0695524 1.06047e-05 0.0685406 yield of dead structure on food
Y_EX mol/mol 0 0 0.281905 0.0537744 0.38586 0.0815798 yield of living reserve on food
Y_EX_d mol/mol 0.00879529 0.0241127 3.46761e-05 0.107707 2.50261e-05 0.16175 yield of dead reserve on food
Y_CX mol/mol 0.803752 0.77127 0.394625 0.578001 0.315631 0.503372 yield of CO2 on food
Y_HX mol/mol 0.686448 0.658706 0.337031 0.493644 0.269566 0.429907 yield of H2O on food
Y_OX mol/mol -0.944952 -0.906764 -0.463951 -0.679542 -0.37108 -0.591802 yield of O2 on food
Y_NX mol/mol 0.0651691 0.0625354 0.0319966 0.0468649 0.0255917 0.0408139 yield of N-waste on food
mu_TX J/mol 453258 435255 222498 325829 175383 282135 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