Pagetopsis maculatus: Population traits

at T = -1.7 °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: 2025/06/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.170896 NaN 0.202745 0.202745 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00614454 0.00614454 0.000837394 0.000837394 spec pop growth rate
t2 d NaN NaN NaN NaN 112.807 112.807 827.743 827.743 population doubling time
a_b d 129.135 NaN 126.702 NaN 113.662 113.977 113.662 113.977 age at birth
t_j d 164.31 NaN 144.076 NaN 77.7257 78.8037 77.7257 78.8037 time since birth at metam
t_p d 4930.26 NaN 2696.37 NaN 652.475 666.907 652.475 666.907 time since birth at puberty
S_b - 0.999971 NaN 0.999972 NaN 0.99998 0.999978 0.99998 0.999978 survival probability at birth
S_j - 0.999815 NaN 0.258098 NaN 0.999938 0.999932 0.176118 0.176648 survival probability at metam
S_p - 0.99975 NaN 0.214351 NaN 0.999914 0.999906 0.110092 0.112142 survival probability at puberty
theta_0b - 0.0335912 NaN 0.376148 NaN 0.502639 0.503606 0.684258 0.68117 frac of ind that is embryo
theta_bj - 0.0336033 NaN 0.206125 NaN 0.188895 0.190564 0.206737 0.208209 frac of ind between b and j
theta_jp - 0.00915202 NaN 0.0121544 NaN 0.0611332 0.0594595 0.0265177 0.0260233 frac of ind between j and p
theta_pi - 0.923653 NaN 0.405572 NaN 0.247332 0.24637 0.0824875 0.084597 frac of ind that is adult
L_bi cm 0.310984 NaN 0.260719 NaN 0.259252 0.255543 0.215721 0.215313 mean structural length of post-natals
L2_bi cm^2 0.100424 NaN 0.0857441 NaN 0.0959498 0.0926006 0.100188 0.0981223 mean squared structural length of post-natals
L3_bi cm^3 0.0330684 NaN 0.0315881 NaN 0.0476436 0.0447947 0.0899519 0.08464 mean cubed structural length of post-natals
Ww_bi g 0.0874158 NaN 0.0931775 NaN 0.505824 0.444345 0.955004 0.839594 mean wet weight of post-natals
L_pi cm 0.320107 NaN 0.342544 NaN 0.383221 0.377061 0.481077 0.475096 mean structural length of adults
L2_pi cm^2 0.10446 NaN 0.125401 NaN 0.172979 0.166794 0.339216 0.326781 mean squared structural length of adults
L3_pi cm^3 0.0345266 NaN 0.0478528 NaN 0.0927616 0.0872619 0.338288 0.313171 mean cubed structural length of adults
Ww_pi g 0.0912704 NaN 0.141155 NaN 0.984834 0.865603 3.59155 3.10653 mean wet weight of adults
R 1/d 0.0138413 NaN 0.0315945 NaN 0.0442302 0.0436025 0.154675 0.151681 mean reproduction rate of adults
J_X g/d 0.00089642 NaN 0.000917021 NaN 0.00539671 0.0048231 0.00557744 0.0050596 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 NaN 0 NaN 0.0542457 0.0570677 0.0135053 0.0140084 yield of living structure on food
Y_VX_d mol/mol 0.012331 NaN 0.0289053 NaN 4.63257e-05 5.25456e-05 0.0293953 0.0306749 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.521672 0.509021 0.129879 0.12495 yield of living reserve on food
Y_EX_d mol/mol 0.0202657 NaN 0.0563586 NaN 0.000445506 0.000468685 0.28269 0.273608 yield of dead reserve on food
Y_CX mol/mol 0.858028 NaN 0.805361 NaN 0.314216 0.324015 0.435156 0.447385 yield of CO2 on food
Y_HX mol/mol 0.617304 NaN 0.579413 NaN 0.226061 0.233111 0.313071 0.321868 yield of H2O on food
Y_OX mol/mol -0.933106 NaN -0.87583 NaN -0.34171 -0.352367 -0.473232 -0.486531 yield of O2 on food
Y_NX mol/mol 0.128704 NaN 0.120804 NaN 0.0471324 0.0486023 0.0652734 0.0671077 yield of N-waste on food
mu_TX J/mol 455188 NaN 427050 NaN 158190 163721 224137 230952 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