Pseudaspius leptocephalus: Population traits

at T = 12 °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: 2025/04/06
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.333204 0.365615 0.682807 0.682807 1 1 scaled functional response
r 1/d 0 0 0.00296702 0.000419872 0.00438323 0.000597706 spec pop growth rate
t2 d NaN NaN 233.617 1650.85 158.136 1159.68 population doubling time
a_b d 39.3745 38.7789 35.1829 35.1829 33.372 33.372 age at birth
t_j d 102.671 95.0085 59.2449 59.2449 46.5013 46.5013 time since birth at metam
t_p d 10342.3 6692.89 2443.36 2443.36 1728.77 1728.77 time since birth at puberty
S_b - 0.999998 0.999998 0.999999 0.999999 0.999999 0.999999 survival probability at birth
S_j - 0.999991 0.417682 0.999994 0.278574 0.999995 0.212734 survival probability at metam
S_p - 0.999974 0.117779 0.99999 0.116233 0.999993 0.115715 survival probability at puberty
theta_0b - 0.0040877 0.397179 0.0990302 0.517054 0.135957 0.567825 frac of ind that is embryo
theta_bj - 0.00409502 0.265378 0.0893329 0.288423 0.117594 0.284186 frac of ind between b and j
theta_jp - 0.00658287 0.136674 0.0559415 0.0640492 0.0417501 0.0344661 frac of ind between j and p
theta_pi - 0.985234 0.200769 0.755695 0.130474 0.704699 0.113522 frac of ind that is adult
L_bi cm 2.59168 0.432146 0.798715 0.277329 0.725776 0.265506 mean structural length of post-natals
L2_bi cm^2 7.43313 0.762083 1.07648 0.324371 0.913534 0.30139 mean squared structural length of post-natals
L3_bi cm^3 22.196 2.15003 1.98225 0.994577 1.62347 1.02359 mean cubed structural length of post-natals
Ww_bi g 29.2319 2.89787 3.26989 1.64064 3.16795 1.99738 mean wet weight of post-natals
L_pi cm 2.61824 1.04594 0.925172 0.686847 0.858038 0.657587 mean structural length of adults
L2_pi cm^2 7.51346 2.25536 1.27944 1.15626 1.11542 1.10119 mean squared structural length of adults
L3_pi cm^3 22.4365 6.45114 2.36271 3.67536 1.98985 3.89048 mean cubed structural length of adults
Ww_pi g 29.5487 8.695 3.89749 6.06281 3.88288 7.59165 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0676009 0.00757802 0.0201557 0.00600659 0.0250816 0.00817696 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 0.291798 0.0695228 0.283717 0.0748209 yield of living structure on food
Y_VX_d mol/mol 0.0525426 0.110727 0.000344305 0.154463 0.000136013 0.15683 yield of dead structure on food
Y_EX mol/mol 0 0 0.189546 0.0451607 0.269911 0.0711801 yield of living reserve on food
Y_EX_d mol/mol 0.0166555 0.0385135 0.000223654 0.100336 0.000129394 0.149198 yield of dead reserve on food
Y_CX mol/mol 0.821427 0.741384 0.408713 0.521143 0.336731 0.438596 yield of CO2 on food
Y_HX mol/mol 0.590971 0.533385 0.294046 0.374933 0.242259 0.315545 yield of H2O on food
Y_OX mol/mol -0.893302 -0.806256 -0.444475 -0.566743 -0.366195 -0.476973 yield of O2 on food
Y_NX mol/mol 0.123214 0.111208 0.0613069 0.0781714 0.0505097 0.0657894 yield of N-waste on food
mu_TX J/mol 437068 395954 222055 280484 182051 235466 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