Sotalia guianensis: Population traits

at T = 37.2 °C with background hazards for embryo, baby, 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 stx f_min f_max date: 2026/06/14
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - NaN NaN NaN NaN 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000405913 0.000405913 9.21289e-05 9.21289e-05 spec pop growth rate
t2 d NaN NaN NaN NaN 1707.62 1707.62 7523.67 7523.67 population doubling time
a_b d NaN NaN NaN NaN 331.576 331.576 331.576 331.576 age at birth
t_x d NaN NaN NaN NaN 2106.17 2034.88 2106.17 2034.88 time since birth at weaning
t_p d NaN NaN NaN NaN 258.193 255.561 258.193 255.561 time since birth at puberty
S_b - NaN NaN NaN NaN 1 1 1 1 survival probability at birth
S_x - NaN NaN NaN NaN 1 1 0.489749 0.486905 survival probability at weaning
S_p - NaN NaN NaN NaN 0.999989 0.99999 0.159832 0.159812 survival probability at puberty
theta_0b - NaN NaN NaN NaN 0.1262 0.126188 0.188345 0.190288 frac of ind that is embryo
theta_bx - NaN NaN NaN NaN 0.110282 0.110272 0.126056 0.126989 fraction of individuals that is baby
theta_xp - NaN NaN NaN NaN 0.393004 0.382033 0.222508 0.217023 fraction of individuals that is juvenile
theta_pi - NaN NaN NaN NaN 0.370514 0.381507 0.463091 0.4657 frac of ind that is adult
L_bi cm NaN NaN NaN NaN 22.683 22.8607 23.675 23.8505 mean structural length of post-natals
L2_bi cm^2 NaN NaN NaN NaN 546.106 555.323 601.175 611.212 mean squared structural length of post-natals
L3_bi cm^3 NaN NaN NaN NaN 13710.4 14076.2 15942.7 16373.3 mean cubed structural length of post-natals
Ww_bi g NaN NaN NaN NaN 66491.8 68865.3 77317.9 80103.6 mean wet weight of post-natals
L_pi cm NaN NaN NaN NaN 27.8591 28.0654 28.4932 28.759 mean structural length of adults
L2_pi cm^2 NaN NaN NaN NaN 777.221 788.97 812.623 827.992 mean squared structural length of adults
L3_pi cm^3 NaN NaN NaN NaN 21712.9 22215 23196.3 23863.2 mean cubed structural length of adults
Ww_pi g NaN NaN NaN NaN 105302 108683 112496 116746 mean wet weight of adults
R 1/d NaN NaN NaN NaN 0.00095941 0.00104672 0.00120726 0.00132053 mean reproduction rate of adults
J_X g/d NaN NaN NaN NaN 254.344 261.497 279.991 287.815 mean ingestion rate of wet food by post-natals
Y_PX mol/mol NaN NaN NaN NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol NaN NaN NaN NaN 0.0218807 0.02185 0.00524581 0.00524107 yield of living structure on food
Y_VX_d mol/mol NaN NaN NaN NaN 8.75482e-05 8.38889e-05 0.0103726 0.0103537 yield of dead structure on food
Y_EX mol/mol NaN NaN NaN NaN 0.0842351 0.0850473 0.020195 0.0203999 yield of living reserve on food
Y_EX_d mol/mol NaN NaN NaN NaN 0.000337038 0.000326523 0.039932 0.0402998 yield of dead reserve on food
Y_CX mol/mol NaN NaN NaN NaN 0.725278 0.724569 0.753764 0.753256 yield of CO2 on food
Y_HX mol/mol NaN NaN NaN NaN 0.618556 0.61795 0.642849 0.642416 yield of H2O on food
Y_OX mol/mol NaN NaN NaN NaN -0.852692 -0.851858 -0.886182 -0.885584 yield of O2 on food
Y_NX mol/mol NaN NaN NaN NaN 0.0588063 0.0587488 0.061116 0.0610748 yield of N-waste on food
mu_TX J/mol NaN NaN NaN NaN 407827 407410 424165 423867 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