Lobotes surinamensis: Population traits

at T = 27 °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: 2025/04/25
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.330168 0.330168 0.330168 0.330168 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0323791 0.0323791 0.00567646 0.00567646 spec pop growth rate
t2 d NaN NaN NaN NaN 21.4072 21.4072 122.109 122.109 population doubling time
a_b d 0.933666 0.933666 0.933666 0.933666 0.918718 0.918718 0.918718 0.918718 age at birth
t_j d 0.160307 0.160307 0.160307 0.160307 0.150352 0.150352 0.150352 0.150352 time since birth at metam
t_p d 1167.78 277.229 1167.78 277.229 373.323 198.171 373.323 198.171 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_j - 1 1 0.620307 0.620307 1 1 0.619692 0.619692 survival probability at metam
S_p - 1 1 0.198777 0.198777 1 1 0.188187 0.188187 survival probability at puberty
theta_0b - 0.00023224 0.00023224 0.531882 0.531882 0.0291345 0.0291345 0.569674 0.569674 frac of ind that is embryo
theta_bj - 4.01332e-05 4.01332e-05 0.0730808 0.0730808 0.00471496 0.00471496 0.0743332 0.0743332 frac of ind between b and j
theta_jp - 0.000193612 0.000193612 0.155649 0.155649 0.0237403 0.0237403 0.162848 0.162848 frac of ind between j and p
theta_pi - 0.999534 0.999534 0.239388 0.239388 0.94241 0.94241 0.193144 0.193144 frac of ind that is adult
L_bi cm 2.8061 2.8061 0.256654 0.256654 0.447549 0.447549 0.0591901 0.0591901 mean structural length of post-natals
L2_bi cm^2 8.08141 8.08141 0.585735 0.585735 0.372615 0.372615 0.030841 0.030841 mean squared structural length of post-natals
L3_bi cm^3 23.4854 23.4854 1.64262 1.64262 0.444579 0.444579 0.0627472 0.0627472 mean cubed structural length of post-natals
Ww_bi g 306.397 306.397 21.4301 21.4301 16.6652 16.6652 2.3521 2.3521 mean wet weight of post-natals
L_pi cm 2.80675 2.80675 0.486051 0.486051 0.460502 0.460502 0.111295 0.111295 mean structural length of adults
L2_pi cm^2 8.0833 8.0833 1.14512 1.14512 0.383855 0.383855 0.0683514 0.0683514 mean squared structural length of adults
L3_pi cm^3 23.4909 23.4909 3.21211 3.21211 0.458003 0.458003 0.139794 0.139794 mean cubed structural length of adults
Ww_pi g 306.469 306.469 41.9061 41.9061 17.1684 17.1684 5.24023 5.24023 mean wet weight of adults
R 1/d 0 10170.9 0 33.8469 0 0 0 0 mean reproduction rate of adults
J_X g/d 5.86656 5.86656 0.425202 0.425202 0.819532 0.819532 0.0678269 0.0678269 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.017565 0.017565 0.00525133 0.00525133 yield of living structure on food
Y_VX_d mol/mol 0.00110973 0.00110973 0.00301672 0.00301672 5.57839e-08 5.57839e-08 0.0104509 0.0104509 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.640866 0.640866 0.191597 0.191597 yield of living reserve on food
Y_EX_d mol/mol 0.0133681 0.0133681 0.0363403 0.0363403 2.0353e-06 2.0353e-06 0.381305 0.381305 yield of dead reserve on food
Y_CX mol/mol 0.876147 0.876147 0.851268 0.851268 0.232192 0.232192 0.302021 0.302021 yield of CO2 on food
Y_HX mol/mol 0.630339 0.630339 0.61244 0.61244 0.167049 0.167049 0.217287 0.217287 yield of H2O on food
Y_OX mol/mol -0.95281 -0.95281 -0.925754 -0.925754 -0.252508 -0.252508 -0.328448 -0.328448 yield of O2 on food
Y_NX mol/mol 0.131422 0.131422 0.12769 0.12769 0.0348287 0.0348287 0.0453031 0.0453031 yield of N-waste on food
mu_TX J/mol 464593 464593 451004 451004 111240 111240 149553 149553 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