Pristis microdon: Population traits

at T = 28.5 °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: 2025/05/17
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.378688 0.517378 0.758689 0.758689 1 1 scaled functional response
r 1/d 0 0 0.000403887 2.4652e-05 0.000477145 3.18843e-05 spec pop growth rate
t2 d NaN NaN 1716.19 28117.2 1452.7 21739.4 population doubling time
a_b d 488.74 477.598 467.599 467.599 462.301 462.301 age at birth
t_p d 6310.89 2521.33 1793.65 1793.65 1560.52 1560.52 time since birth at puberty
S_b - 0.999999 0.999999 0.999999 0.999999 0.999999 0.999999 survival probability at birth
S_p - 0.999993 0.366192 0.999995 0.3269 0.999995 0.307425 survival probability at puberty
theta_0b - 0.0151985 0.184495 0.172226 0.311798 0.198029 0.372106 frac of ind that is embryo
theta_bp - 0.0151982 0.109813 0.142578 0.174147 0.158818 0.201457 fraction of individuals that is juvenile
theta_pi - 0.969603 0.705691 0.685196 0.514055 0.643153 0.426436 frac of ind that is adult
L_bi cm 20.4859 23.5653 21.8501 25.8453 22.7872 26.7009 mean structural length of post-natals
L2_bi cm^2 425.535 618.425 574.202 870.492 655.592 1059.15 mean squared structural length of post-natals
L3_bi cm^3 8907.17 17014.2 17016.9 32894.2 22080.2 50052.1 mean cubed structural length of post-natals
Ww_bi g 50673.4 126013 176881 341914 295485 669816 mean wet weight of post-natals
L_pi cm 20.6797 25.969 24.5836 31.7747 26.2225 35.3164 mean structural length of adults
L2_pi cm^2 431.154 704.183 677.494 1141.19 797.493 1524.68 mean squared structural length of adults
L3_pi cm^3 9037.98 19573.1 20410 43825.2 27345.6 73385.5 mean cubed structural length of adults
Ww_pi g 51417.6 144966 212149 455536 365949 982072 mean wet weight of adults
R 1/d 3.55386e-06 0.00101585 0.000870824 0.00249883 0.0011138 0.0036769 mean reproduction rate of adults
J_X g/d 112.821 224.01 305.001 462.382 458.993 741.532 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 0.0225341 0.00175376 0.0229534 0.00215213 yield of living structure on food
Y_VX_d mol/mol 0.00272754 0.00634171 6.03258e-05 0.0072616 3.78735e-05 0.00744874 yield of dead structure on food
Y_EX mol/mol 0 0 0.211694 0.0164755 0.284217 0.0266486 yield of living reserve on food
Y_EX_d mol/mol 0.0127896 0.0406273 0.000566723 0.0682182 0.000468965 0.0922332 yield of dead reserve on food
Y_CX mol/mol 0.809475 0.780382 0.606587 0.737147 0.539226 0.704982 yield of CO2 on food
Y_HX mol/mol 0.695225 0.670238 0.520973 0.633105 0.463119 0.60548 yield of H2O on food
Y_OX mol/mol -0.95168 -0.917476 -0.71315 -0.866646 -0.633955 -0.82883 yield of O2 on food
Y_NX mol/mol 0.0656331 0.0632742 0.0491827 0.0597687 0.043721 0.0571607 yield of N-waste on food
mu_TX J/mol 456095 439265 338459 414119 299093 395341 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