Hippocampus hippocampus: Population traits

at T = 17.8 °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: 2024/03/06
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.31127 0.340392 0.670196 0.670196 1 1 scaled functional response
r 1/d 0 0 0.010879 0.00275894 0.014164 0.00329225 spec pop growth rate
t2 d NaN NaN 63.714 251.237 48.9372 210.539 population doubling time
a_b d 24.3649 24.1172 22.6257 22.6257 22.0251 22.0251 age at birth
t_j d 0.876056 0.835168 0.62582 0.62582 0.556825 0.556825 time since birth at metam
t_p d 1665.82 994.854 326.782 326.782 251.747 251.747 time since birth at puberty
S_b - 0.999994 0.999994 0.999995 0.999995 0.999996 0.999996 survival probability at birth
S_j - 0.999993 0.948722 0.999995 0.94436 0.999995 0.943026 survival probability at metam
S_p - 0.999966 0.446498 0.999976 0.349597 0.999978 0.314563 survival probability at puberty
theta_0b - 0.0170447 0.19015 0.218257 0.434122 0.268008 0.482208 frac of ind that is embryo
theta_bj - 0.000613108 0.00641706 0.00530768 0.0113035 0.00575208 0.0114085 frac of ind between b and j
theta_jp - 0.0164385 0.118523 0.16537 0.227305 0.190471 0.23814 frac of ind between j and p
theta_pi - 0.965904 0.68491 0.611065 0.32727 0.535769 0.268243 frac of ind that is adult
L_bi cm 0.307364 0.267309 0.246819 0.215272 0.246946 0.212545 mean structural length of post-natals
L2_bi cm^2 0.0975128 0.0830509 0.0774877 0.0706132 0.0810422 0.0752159 mean squared structural length of post-natals
L3_bi cm^3 0.0314596 0.0277452 0.0290707 0.0315072 0.0332839 0.0403619 mean cubed structural length of post-natals
Ww_bi g 0.0792639 0.0738497 0.124182 0.13459 0.195767 0.237399 mean wet weight of post-natals
L_pi cm 0.311089 0.298722 0.286412 0.298357 0.297637 0.313489 mean structural length of adults
L2_pi cm^2 0.0990685 0.0965293 0.0959813 0.114445 0.106297 0.134846 mean squared structural length of adults
L3_pi cm^3 0.0319987 0.0326433 0.0368456 0.0536685 0.0449688 0.0767759 mean cubed structural length of adults
Ww_pi g 0.080622 0.0868869 0.157394 0.229257 0.264495 0.451576 mean wet weight of adults
R 1/d 0 0 0.0508984 0.11623 0.0818778 0.180165 mean reproduction rate of adults
J_X g/d 0.00230481 0.00214731 0.00395069 0.00360015 0.00616813 0.00572462 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 0.0800522 0.0241452 0.0764305 0.0232123 yield of living structure on food
Y_VX_d mol/mol 0.0117817 0.0258879 0.000190452 0.0433972 8.85265e-05 0.0417039 yield of dead structure on food
Y_EX mol/mol 0 0 0.261909 0.0789965 0.373114 0.113317 yield of living reserve on food
Y_EX_d mol/mol 0.0179028 0.043018 0.000623107 0.141984 0.000432164 0.203588 yield of dead reserve on food
Y_CX mol/mol 0.860941 0.821719 0.54785 0.602102 0.44056 0.508805 yield of CO2 on food
Y_HX mol/mol 0.619399 0.591181 0.394148 0.433179 0.316958 0.366057 yield of H2O on food
Y_OX mol/mol -0.936273 -0.89362 -0.595787 -0.654786 -0.479109 -0.553325 yield of O2 on food
Y_NX mol/mol 0.129141 0.123258 0.0821776 0.0903154 0.066084 0.0763207 yield of N-waste on food
mu_TX J/mol 456763 435896 287986 317190 228790 265745 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