Aspostichopus japonicus: Population traits

at T = 18 °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 - 0.0415076 0.0474486 0.523724 0.523724 1 1 scaled functional response
r 1/d 0 0 0.0438904 0.00556487 0.0616956 0.00681912 spec pop growth rate
t2 d NaN NaN 15.7927 124.558 11.235 101.648 population doubling time
a_b d 19.0879 18.6849 12.6252 12.6252 11.6099 11.6099 age at birth
t_j d 337.377 272.545 24.5815 24.5815 16.7515 16.7515 time since birth at metam
t_p d 2898.69 1338.57 74.6391 74.6391 50.4535 50.4535 time since birth at puberty
S_b - 0.999997 0.999997 0.999999 0.999999 0.999999 0.999999 survival probability at birth
S_j - 0.999983 0.858204 0.999996 0.271598 0.999997 0.171065 survival probability at metam
S_p - 0.998071 0.107381 0.999991 0.0790389 0.999996 0.0782645 survival probability at puberty
theta_0b - 0.0060711 0.0906062 0.425233 0.564469 0.511243 0.635507 frac of ind that is embryo
theta_bj - 0.00609807 0.0843578 0.244522 0.296531 0.249968 0.279002 frac of ind between b and j
theta_jp - 0.101609 0.446536 0.134843 0.0731522 0.0649082 0.0292366 frac of ind between j and p
theta_pi - 0.886222 0.3785 0.195402 0.0658483 0.173881 0.0562548 frac of ind that is adult
L_bi cm 0.252964 0.174849 0.169214 0.137663 0.175944 0.141627 mean structural length of post-natals
L2_bi cm^2 0.0678647 0.0418795 0.042309 0.0423896 0.04676 0.049796 mean squared structural length of post-natals
L3_bi cm^3 0.0187463 0.0120144 0.0152949 0.0349227 0.018256 0.0529269 mean cubed structural length of post-natals
Ww_bi g 0.0199331 0.0128838 0.027512 0.0628177 0.0460993 0.133649 mean wet weight of post-natals
L_pi cm 0.271022 0.290128 0.294433 0.37892 0.303817 0.397254 mean structural length of adults
L2_pi cm^2 0.0747315 0.0880707 0.101864 0.227416 0.110111 0.270622 mean squared structural length of adults
L3_pi cm^3 0.0208683 0.0275989 0.0423299 0.225402 0.0487875 0.337424 mean cubed structural length of adults
Ww_pi g 0.0221894 0.0295961 0.0761415 0.405446 0.123196 0.852051 mean wet weight of adults
R 1/d 0 0.0192571 0.655037 1.64903 0.809788 2.262 mean reproduction rate of adults
J_X g/d 0.00025296 0.000175613 0.00214006 0.00210761 0.00455947 0.00479493 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 0.313684 0.0922088 0.247027 0.07527 yield of living structure on food
Y_VX_d mol/mol 0.0319884 0.0779839 7.33821e-06 0.191242 2.81469e-06 0.155266 yield of dead structure on food
Y_EX mol/mol 0 0 0.250559 0.0736531 0.376757 0.114799 yield of living reserve on food
Y_EX_d mol/mol 0.00202505 0.00564345 5.8615e-06 0.152757 4.29286e-06 0.236805 yield of dead reserve on food
Y_CX mol/mol 0.856612 0.806998 0.326369 0.380764 0.266834 0.308485 yield of CO2 on food
Y_HX mol/mol 0.621519 0.585522 0.236799 0.276266 0.193603 0.223823 yield of H2O on food
Y_OX mol/mol -0.931565 -0.87761 -0.354926 -0.414081 -0.290182 -0.335478 yield of O2 on food
Y_NX mol/mol 0.128492 0.12105 0.0489553 0.0571146 0.0400251 0.0462728 yield of N-waste on food
mu_TX J/mol 455392 430404 177844 206249 141766 163850 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