Xiphopenaeus kroyeri: Population traits

at T = 23 °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_min f_max date: 2025/05/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.345091 0.345091 NaN NaN 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0583982 0.0583982 NaN NaN spec pop growth rate
t2 d NaN NaN NaN NaN 11.8693 11.8693 NaN NaN population doubling time
a_b d 6.6356 6.6356 NaN NaN 5.60163 5.60163 NaN NaN age at birth
t_j d 83.6778 83.6778 NaN NaN 26.2361 26.2361 NaN NaN time since birth at metam
t_p d 1009.54 843.246 NaN NaN 89.8584 87.8282 NaN NaN time since birth at puberty
S_b - 0.999999 0.999999 NaN NaN 0.999999 0.999999 NaN NaN survival probability at birth
S_j - 0.999992 0.999992 NaN NaN 0.999996 0.999996 NaN NaN survival probability at metam
S_p - 0.999655 0.999655 NaN NaN 0.999976 0.999976 NaN NaN survival probability at puberty
theta_0b - 0.00734022 0.00734022 NaN NaN 0.278913 0.278913 NaN NaN frac of ind that is embryo
theta_bj - 0.00734959 0.00734959 NaN NaN 0.201192 0.201192 NaN NaN frac of ind between b and j
theta_jp - 0.085319 0.085319 NaN NaN 0.364096 0.364096 NaN NaN frac of ind between j and p
theta_pi - 0.899991 0.899991 NaN NaN 0.1558 0.1558 NaN NaN frac of ind that is adult
L_bi cm 0.552231 0.552231 NaN NaN 0.229838 0.229838 NaN NaN mean structural length of post-natals
L2_bi cm^2 0.326348 0.326348 NaN NaN 0.112398 0.112398 NaN NaN mean squared structural length of post-natals
L3_bi cm^3 0.196644 0.196644 NaN NaN 0.0846903 0.0846903 NaN NaN mean cubed structural length of post-natals
Ww_bi g 0.23641 0.23641 NaN NaN 0.134319 0.134319 NaN NaN mean wet weight of post-natals
L_pi cm 0.594842 0.594842 NaN NaN 0.622679 0.622679 NaN NaN mean structural length of adults
L2_pi cm^2 0.357558 0.357558 NaN NaN 0.451418 0.451418 NaN NaN mean squared structural length of adults
L3_pi cm^3 0.216429 0.216429 NaN NaN 0.378725 0.378725 NaN NaN mean cubed structural length of adults
Ww_pi g 0.260196 0.260196 NaN NaN 0.600656 0.600656 NaN NaN mean wet weight of adults
R 1/d 0.0158464 0.0477961 NaN NaN 0.961881 0.987136 NaN NaN mean reproduction rate of adults
J_X g/d 0.0173003 0.0173003 NaN NaN 0.0184402 0.0184402 NaN NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 NaN NaN 0.109375 0.109375 NaN NaN yield of faeces on food
Y_VX mol/mol 0 0 NaN NaN 0.268205 0.268205 NaN NaN yield of living structure on food
Y_VX_d mol/mol 0.0153731 0.0153731 NaN NaN 2.60216e-05 2.60216e-05 NaN NaN yield of dead structure on food
Y_EX mol/mol 0 0 NaN NaN 0.157168 0.157168 NaN NaN yield of living reserve on food
Y_EX_d mol/mol 0.00310878 0.00310878 NaN NaN 1.52486e-05 1.52486e-05 NaN NaN yield of dead reserve on food
Y_CX mol/mol 0.872143 0.872143 NaN NaN 0.46521 0.46521 NaN NaN yield of CO2 on food
Y_HX mol/mol 0.628912 0.628912 NaN NaN 0.335468 0.335468 NaN NaN yield of H2O on food
Y_OX mol/mol -0.948456 -0.948456 NaN NaN -0.505916 -0.505916 NaN NaN yield of O2 on food
Y_NX mol/mol 0.130821 0.130821 NaN NaN 0.0697815 0.0697815 NaN NaN yield of N-waste on food
mu_TX J/mol 463104 463104 NaN NaN 251934 251934 NaN NaN 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