Hydrodamalis gigas: Population traits

at T = 33 °C with background hazards for embryo, baby, juv, adult: 0, 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 stx f_minf f_max date: 2023/03/16
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.866621 0.887639 0.94382 0.94382 1 1 scaled functional response
r 1/d 0 0 0.000172363 4.51545e-05 0.000248836 7.21333e-05 spec pop growth rate
t2 d NaN NaN 4021.43 15350.6 2785.56 9609.26 population doubling time
a_b d 468.765 468.765 468.765 468.765 468.765 468.765 age at birth
t_x d 5912.75 3987.65 2704.2 2704.2 2194.89 2194.89 time since birth at weaning
t_p d 545.514 526.209 483.544 483.544 450.393 450.393 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_x - 1 0.567471 1 0.546416 1 0.52791 survival probability at weaning
S_p - 0.999984 0.232452 0.999999 0.231785 0.999999 0.231199 survival probability at puberty
theta_0b - 0.0092556 0.0405896 0.077732 0.101311 0.110149 0.146283 frac of ind that is embryo
theta_bx - 0.00925307 0.0300849 0.0716796 0.0721959 0.0979967 0.10123 fraction of individuals that is baby
theta_xp - 0.10746 0.0935095 0.272366 0.143632 0.276577 0.157129 fraction of individuals that is juvenile
theta_pi - 0.874032 0.835816 0.578222 0.682861 0.515277 0.595358 frac of ind that is adult
L_bi cm 115.457 116.227 113.286 117.175 113.572 118.469 mean structural length of post-natals
L2_bi cm^2 13378 13643 13196 14100.6 13420 14628.9 mean squared structural length of post-natals
L3_bi cm^3 1.55376e+06 1.61139e+06 1.56741e+06 1.72584e+06 1.63148e+06 1.85526e+06 mean cubed structural length of post-natals
Ww_bi g 6.48528e+06 6.84984e+06 6.9854e+06 7.69147e+06 7.60664e+06 8.64997e+06 mean wet weight of post-natals
L_pi cm 117.082 119.832 125.346 126.662 130.103 132.914 mean structural length of adults
L2_pi cm^2 13708.2 14359.8 15720.1 16047.6 16955.1 17683.7 mean squared structural length of adults
L3_pi cm^3 1.60499e+06 1.72081e+06 1.97256e+06 2.03369e+06 2.21313e+06 2.3549e+06 mean cubed structural length of adults
Ww_pi g 6.69911e+06 7.31497e+06 8.79104e+06 9.06347e+06 1.03185e+07 1.09795e+07 mean wet weight of adults
R 1/d 2.25792e-05 0.000103526 0.000275182 0.000313005 0.000429831 0.000515142 mean reproduction rate of adults
J_X g/d 79877 83435 85809 91691.9 92460.3 100789 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.765625 0.765625 0.765625 0.765625 0.765625 0.765625 yield of faeces on food
Y_VX mol/mol 0 0 0.00314843 0.000849905 0.00439076 0.00132778 yield of living structure on food
Y_VX_d mol/mol 0.000400575 0.000843213 5.42042e-06 0.00125198 1.66623e-06 0.00170221 yield of dead structure on food
Y_EX mol/mol 0 0 0.010883 0.00293783 0.0160808 0.00486287 yield of living reserve on food
Y_EX_d mol/mol 0.00127139 0.0027412 1.87365e-05 0.00432766 6.10241e-06 0.00623418 yield of dead reserve on food
Y_CX mol/mol 0.21525 0.213481 0.203795 0.208132 0.197854 0.203729 yield of CO2 on food
Y_HX mol/mol 0.183577 0.182068 0.173808 0.177506 0.16874 0.173751 yield of H2O on food
Y_OX mol/mol -0.253065 -0.250985 -0.239597 -0.244696 -0.232612 -0.23952 yield of O2 on food
Y_NX mol/mol 0.0174527 0.0173093 0.016524 0.0168756 0.0160422 0.0165186 yield of N-waste on food
mu_TX J/mol 154471 153459 147911 150394 144499 147866 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