Pteria sterna: Population traits

at T = 27.5 °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: 2025/05/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.668501 NaN 0.83425 NaN 1 1 scaled functional response
r 1/d 0 0 0.030741 NaN 0.0421051 NaN spec pop growth rate
t2 d NaN NaN 22.548 NaN 16.4623 NaN population doubling time
a_b d 0.261999 NaN 0.254751 NaN 0.248321 NaN age at birth
t_j d 0.639956 NaN 0.55092 NaN 0.491438 NaN time since birth at metam
t_p d 1333.15 NaN 570.708 NaN 426.767 NaN time since birth at puberty
S_b - 1 NaN 1 NaN 1 NaN survival probability at birth
S_j - 1 NaN 1 NaN 1 NaN survival probability at metam
S_p - 1 NaN 1 NaN 1 NaN survival probability at puberty
theta_0b - 0.000120156 NaN 0.00769086 NaN 0.0102565 NaN frac of ind that is embryo
theta_bj - 0.000121321 NaN 0.00774084 NaN 0.0102945 NaN frac of ind between b and j
theta_jp - 0.000175017 NaN 0.00892345 NaN 0.00997501 NaN frac of ind between j and p
theta_pi - 0.999584 NaN 0.975645 NaN 0.969474 NaN frac of ind that is adult
L_bi cm 2.30545 NaN 0.349938 NaN 0.296504 NaN mean structural length of post-natals
L2_bi cm^2 5.61928 NaN 0.221039 NaN 0.163318 NaN mean squared structural length of post-natals
L3_bi cm^3 13.9731 NaN 0.190908 NaN 0.126046 NaN mean cubed structural length of post-natals
Ww_bi g 23.3134 NaN 0.350159 NaN 0.25208 NaN mean wet weight of post-natals
L_pi cm 2.30613 NaN 0.355841 NaN 0.302613 NaN mean structural length of adults
L2_pi cm^2 5.62095 NaN 0.224814 NaN 0.166733 NaN mean squared structural length of adults
L3_pi cm^3 13.9773 NaN 0.194168 NaN 0.128681 NaN mean cubed structural length of adults
Ww_pi g 23.3203 NaN 0.35614 NaN 0.257351 NaN mean wet weight of adults
R 1/d 0 NaN 0 NaN 0 NaN mean reproduction rate of adults
J_X g/d 0.507865 NaN 0.0249328 NaN 0.0220835 NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 NaN yield of faeces on food
Y_VX mol/mol 0 NaN 0.23538 NaN 0.240322 NaN yield of living structure on food
Y_VX_d mol/mol 0.0159846 NaN 1.59477e-05 NaN 7.84287e-06 NaN yield of dead structure on food
Y_EX mol/mol 0 NaN 0.19635 NaN 0.240302 NaN yield of living reserve on food
Y_EX_d mol/mol 0.0106848 NaN 1.33032e-05 NaN 7.8422e-06 NaN yield of dead reserve on food
Y_CX mol/mol 0.863956 NaN 0.458866 NaN 0.409985 NaN yield of CO2 on food
Y_HX mol/mol 0.626848 NaN 0.332933 NaN 0.297467 NaN yield of H2O on food
Y_OX mol/mol -0.939552 NaN -0.499016 NaN -0.445859 NaN yield of O2 on food
Y_NX mol/mol 0.129593 NaN 0.0688299 NaN 0.0614977 NaN yield of N-waste on food
mu_TX J/mol 458631 NaN 246802 NaN 220164 NaN 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