Sigmops gracilis: Population traits

at T = 5.1 °C with background hazards for embryo, larva, 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 abj f_minf f_max date: 2025/06/24
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.336105 0.439771 0.719885 0.719885 1 1 scaled functional response
r 1/d 0 0 0.00769755 0.000665394 0.0114733 0.000980213 spec pop growth rate
t2 d NaN NaN 90.0478 1041.71 60.4139 707.14 population doubling time
a_b d 25.1779 24.1869 22.6344 22.6344 21.7915 21.7915 age at birth
t_j d 66.4679 53.2249 37.9041 37.9041 31.6016 31.6016 time since birth at metam
t_p d 4912.22 1498.13 672.498 672.498 492.985 492.985 time since birth at puberty
S_b - 0.999997 0.999997 0.999998 0.999998 0.999998 0.999998 survival probability at birth
S_j - 0.999984 0.317997 0.99999 0.215541 0.999991 0.167727 survival probability at metam
S_p - 0.999948 0.0803613 0.999982 0.0765447 0.999987 0.0750819 survival probability at puberty
theta_0b - 0.00959087 0.450579 0.159874 0.565872 0.221168 0.611021 frac of ind that is embryo
theta_bj - 0.00959797 0.268381 0.134374 0.285615 0.172308 0.279772 frac of ind between b and j
theta_jp - 0.0157396 0.0935142 0.0782917 0.0499235 0.0645735 0.0305911 frac of ind between j and p
theta_pi - 0.965072 0.187526 0.627461 0.0985888 0.541951 0.0786161 frac of ind that is adult
L_bi cm 0.346819 0.145252 0.217295 0.108237 0.195419 0.0993518 mean structural length of post-natals
L2_bi cm^2 0.126876 0.0494864 0.0722739 0.0384445 0.061859 0.0365879 mean squared structural length of post-natals
L3_bi cm^3 0.0473915 0.0223174 0.0303985 0.0241907 0.0261541 0.0282524 mean cubed structural length of post-natals
Ww_bi g 0.0704341 0.0365153 0.0620555 0.0493829 0.0639892 0.0691229 mean wet weight of post-natals
L_pi cm 0.354475 0.334315 0.272145 0.314662 0.256572 0.303098 mean structural length of adults
L2_pi cm^2 0.130122 0.140446 0.0956629 0.161164 0.0874655 0.171539 mean squared structural length of adults
L3_pi cm^3 0.0486306 0.0651472 0.0406326 0.10609 0.0374965 0.139281 mean cubed structural length of adults
Ww_pi g 0.0722756 0.106593 0.0829474 0.216571 0.0917396 0.340767 mean wet weight of adults
R 1/d 0 0.141791 0.0654805 0.502825 0.0877981 0.710318 mean reproduction rate of adults
J_X g/d 0.00106537 0.000545372 0.00133635 0.000700354 0.00159703 0.000930177 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 0.175099 0.0229832 0.187896 0.0297721 yield of living structure on food
Y_VX_d mol/mol 0.0215219 0.0543524 0.000242736 0.0696172 9.28894e-05 0.0747948 yield of dead structure on food
Y_EX mol/mol 0 0 0.182348 0.0239347 0.271814 0.0430689 yield of living reserve on food
Y_EX_d mol/mol 0.0104643 0.0345779 0.000252785 0.0724994 0.000134376 0.1082 yield of dead reserve on food
Y_CX mol/mol 0.858639 0.801695 0.532683 0.701591 0.430688 0.63479 yield of CO2 on food
Y_HX mol/mol 0.617743 0.576775 0.383236 0.504755 0.309856 0.456696 yield of H2O on food
Y_OX mol/mol -0.93377 -0.871843 -0.579293 -0.76298 -0.468373 -0.690334 yield of O2 on food
Y_NX mol/mol 0.128796 0.120254 0.0799024 0.105239 0.0646032 0.0952184 yield of N-waste on food
mu_TX J/mol 455984 426306 284399 373161 228934 337019 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