Berardius bairdii: Population traits

at T = 35.5 °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: 2025/05/23
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.952754 0.952754 0.963369 0.963369 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000240608 0.000240608 7.52769e-05 7.52769e-05 spec pop growth rate
t2 d NaN NaN NaN NaN 2880.81 2880.81 9207.97 9207.97 population doubling time
a_b d 549.615 NaN 549.615 NaN 549.615 549.615 549.615 549.615 age at birth
t_x d 8828.99 NaN 6141.16 NaN 4217.93 7492.54 4217.93 7492.54 time since birth at weaning
t_p d 1167.81 NaN 1148.87 NaN 1090.88 1243.57 1090.88 1243.57 time since birth at puberty
S_b - 1 NaN 1 NaN 1 1 1 1 survival probability at birth
S_x - 1 NaN 0.481428 NaN 1 0.999999 0.471392 0.495919 survival probability at weaning
S_p - 0.999186 NaN 0.162296 NaN 0.999943 0.999468 0.161889 0.17654 survival probability at puberty
theta_0b - 0.0153914 NaN 0.0827847 NaN 0.124073 0.124124 0.193336 0.175613 frac of ind that is embryo
theta_bx - 0.0153857 NaN 0.0562368 NaN 0.108666 0.108713 0.125026 0.116449 fraction of individuals that is baby
theta_xp - 0.231727 NaN 0.181635 NaN 0.450622 0.624206 0.250402 0.372265 fraction of individuals that is juvenile
theta_pi - 0.737496 NaN 0.679344 NaN 0.316639 0.142957 0.431236 0.335673 frac of ind that is adult
L_bi cm 104.226 NaN 101.501 NaN 92.6941 86.8129 94.978 89.3712 mean structural length of post-natals
L2_bi cm^2 10946.8 NaN 10544.1 NaN 9000.16 7833.94 9534.31 8340.6 mean squared structural length of post-natals
L3_bi cm^3 1.15523e+06 NaN 1.11019e+06 NaN 902711 726855 991253 800768 mean cubed structural length of post-natals
Ww_bi g 1.25508e+07 NaN 1.21834e+07 NaN 1.02488e+07 7.61734e+06 1.12541e+07 8.39194e+06 mean wet weight of post-natals
L_pi cm 107.088 NaN 108.217 NaN 110.884 102.809 111.707 102.873 mean structural length of adults
L2_pi cm^2 11467.9 NaN 11711 NaN 12297.8 10569.7 12480 10582.8 mean squared structural length of adults
L3_pi cm^3 1.22808e+06 NaN 1.26735e+06 NaN 1.36417e+06 1.08666e+06 1.39444e+06 1.08868e+06 mean cubed structural length of adults
Ww_pi g 1.33422e+07 NaN 1.39081e+07 NaN 1.5488e+07 1.1388e+07 1.58316e+07 1.14092e+07 mean wet weight of adults
R 1/d 3.80313e-05 NaN 0.000221518 NaN 0.000666598 5.2867e-05 0.00079854 6.21897e-05 mean reproduction rate of adults
J_X g/d 33245.4 NaN 32379.1 NaN 28688.8 22864.5 30391.5 24343.2 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 NaN 0 NaN 0.00757089 0.00764887 0.00245524 0.00247623 yield of living structure on food
Y_VX_d mol/mol 0.00105063 NaN 0.00224554 NaN 1.7881e-05 2.28628e-05 0.00349081 0.00342752 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.0783846 0.0725102 0.0254201 0.0234743 yield of living reserve on food
Y_EX_d mol/mol 0.0103637 NaN 0.0223973 NaN 0.00018513 0.000216736 0.0361418 0.0324925 yield of dead reserve on food
Y_CX mol/mol 0.81327 NaN 0.801033 NaN 0.744132 0.749459 0.761383 0.766598 yield of CO2 on food
Y_HX mol/mol 0.6936 NaN 0.683164 NaN 0.634635 0.639179 0.649348 0.653795 yield of H2O on food
Y_OX mol/mol -0.956142 NaN -0.941756 NaN -0.874857 -0.881121 -0.89514 -0.901271 yield of O2 on food
Y_NX mol/mol 0.0659408 NaN 0.0649487 NaN 0.060335 0.060767 0.0617338 0.0621566 yield of N-waste on food
mu_TX J/mol 458230 NaN 451135 NaN 418131 421251 428136 431183 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