Gracilechinus affinis: Population traits

at T = 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: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.224273 0.239888 0.619944 0.619944 1 1 scaled functional response
r 1/d 0 0 0.00387616 0.000438036 0.00504161 0.000524175 spec pop growth rate
t2 d NaN NaN 178.823 1582.4 137.485 1322.36 population doubling time
a_b d 152.326 150.757 132.864 132.864 126.807 126.807 age at birth
t_j d 1025.42 967.835 510.346 510.346 412.186 412.186 time since birth at metam
t_p d 16143.6 9313.91 2535.58 2535.58 1924.33 1924.33 time since birth at puberty
S_b - 0.999994 0.999994 0.999996 0.999996 0.999996 0.999996 survival probability at birth
S_j - 0.999966 0.348403 0.99998 0.169136 0.999984 0.12202 survival probability at metam
S_p - 0.999684 0.00114874 0.999925 0.0010853 0.99995 0.00107263 survival probability at puberty
theta_0b - 0.0104385 0.51187 0.402409 0.653494 0.472269 0.691327 frac of ind that is embryo
theta_bj - 0.0104477 0.316599 0.240538 0.290789 0.249276 0.273052 frac of ind between b and j
theta_jp - 0.0598747 0.168723 0.274403 0.0549124 0.212404 0.0349269 frac of ind between j and p
theta_pi - 0.919239 0.00280788 0.08265 0.000804256 0.0660518 0.000694648 frac of ind that is adult
L_bi cm 0.370313 0.0132825 0.0403913 0.0120626 0.0382269 0.0120777 mean structural length of post-natals
L2_bi cm^2 0.154112 0.000774837 0.00495218 0.000323468 0.0045268 0.000332076 mean squared structural length of post-natals
L3_bi cm^3 0.0661907 0.000260513 0.00109389 9.16228e-05 0.00100738 0.000113795 mean cubed structural length of post-natals
Ww_bi g 0.110916 0.000448796 0.00313705 0.000262755 0.00404247 0.000456643 mean wet weight of post-natals
L_pi cm 0.396361 0.284216 0.159957 0.201523 0.159316 0.202639 mean structural length of adults
L2_pi cm^2 0.165807 0.105786 0.0315755 0.0692987 0.0315434 0.0749205 mean squared structural length of adults
L3_pi cm^3 0.0712496 0.0447136 0.00772314 0.0381191 0.00784629 0.0491545 mean cubed structural length of adults
Ww_pi g 0.119393 0.07703 0.0221483 0.109318 0.0314859 0.197249 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.000272626 1.23766e-06 2.34867e-05 1.0074e-06 3.45857e-05 1.69541e-06 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 0.180532 0.0398391 0.146848 0.0351825 yield of living structure on food
Y_VX_d mol/mol 0.0243299 0.0662765 3.13547e-05 0.110262 1.39691e-05 0.0926562 yield of dead structure on food
Y_EX mol/mol 0 0 0.337195 0.0744112 0.442429 0.105999 yield of living reserve on food
Y_EX_d mol/mol 0.0164397 0.0479009 5.85639e-05 0.205947 4.20865e-05 0.279158 yield of dead reserve on food
Y_CX mol/mol 0.849855 0.776448 0.372808 0.460165 0.301292 0.377629 yield of CO2 on food
Y_HX mol/mol 0.616617 0.563356 0.270493 0.333876 0.218604 0.273991 yield of H2O on food
Y_OX mol/mol -0.924218 -0.844387 -0.405429 -0.50043 -0.327655 -0.410671 yield of O2 on food
Y_NX mol/mol 0.127478 0.116467 0.0559212 0.0690248 0.0451938 0.0566443 yield of N-waste on food
mu_TX J/mol 451293 413016 196729 243252 155710 196744 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