Lepisosteus platyrhincus: Population traits

at T = 20 °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_min f_max date: 2025/05/22
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.33927 0.33927 0.362439 0.362439 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00405897 0.00405897 0.000542779 0.000542779 spec pop growth rate
t2 d NaN NaN NaN NaN 170.769 170.769 1277.03 1277.03 population doubling time
a_b d 25.3419 25.6401 25.1407 25.4286 22.8913 23.0404 22.8913 23.0404 age at birth
t_p d 12459.3 NaN 5133.38 NaN 1493.38 1569.4 1493.38 1569.4 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 0.999999 0.999998 0.407471 0.419341 0.999999 0.999999 0.31632 0.322183 survival probability at puberty
theta_0b - 0.00263603 0.00276186 0.328809 0.31741 0.0886194 0.0891769 0.448795 0.44346 frac of ind that is embryo
theta_bp - 0.00263989 0.00276571 0.209978 0.20561 0.0808719 0.0813254 0.249801 0.249057 fraction of individuals that is juvenile
theta_pi - 0.994724 0.994472 0.461213 0.476979 0.830509 0.829498 0.301404 0.307483 frac of ind that is adult
L_bi cm 4.05958 3.70428 0.95154 0.933237 1.10615 1.07513 0.506618 0.505152 mean structural length of post-natals
L2_bi cm^2 17.8345 14.8339 2.94758 2.6698 2.06261 1.93575 1.00926 0.979447 mean squared structural length of post-natals
L3_bi cm^3 80.8237 61.2607 12.7109 10.5085 5.38798 4.86327 5.16266 4.7573 mean cubed structural length of post-natals
Ww_bi g 167.755 121.249 27.3159 21.5015 22.4692 18.9001 21.5295 18.4882 mean wet weight of post-natals
L_pi cm 4.06993 3.71414 1.31395 1.26894 1.19699 1.16364 0.789946 0.781419 mean structural length of adults
L2_pi cm^2 17.8818 14.8751 4.27834 3.81022 2.26046 2.12255 1.8226 1.75039 mean squared structural length of adults
L3_pi cm^3 81.0382 61.4311 18.496 15.0367 5.91209 5.33953 9.4374 8.60676 mean cubed structural length of adults
Ww_pi g 168.2 121.586 39.7483 30.7667 24.6548 20.751 39.3562 33.4484 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.446978 0.338476 0.0789187 0.0650791 0.152369 0.13019 0.0745558 0.0658731 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.143531 0.151624 0.0375851 0.0391991 yield of living structure on food
Y_VX_d mol/mol 0.0265978 0.0274786 0.0590435 0.0610979 4.94003e-05 5.73149e-05 0.0766638 0.080197 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.455028 0.43763 0.119154 0.11314 yield of living reserve on food
Y_EX_d mol/mol 0.0286077 0.0269079 0.0678421 0.0639147 0.000156611 0.000165428 0.243043 0.231472 yield of dead reserve on food
Y_CX mol/mol 0.83542 0.836239 0.763739 0.765612 0.29186 0.301149 0.41418 0.426617 yield of CO2 on food
Y_HX mol/mol 0.601038 0.601627 0.549468 0.550816 0.209977 0.21666 0.297979 0.306927 yield of H2O on food
Y_OX mol/mol -0.908519 -0.909409 -0.830567 -0.832603 -0.317398 -0.327499 -0.450421 -0.463946 yield of O2 on food
Y_NX mol/mol 0.125313 0.125436 0.114561 0.114842 0.043779 0.0451723 0.062127 0.0639926 yield of N-waste on food
mu_TX J/mol 443467 443961 405665 406798 150358 155872 216168 223266 yield of heat on food

Remarks

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