Physeter macrocephalus: Population traits

at T = 36 °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: 2025/02/12
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.903147 0.903147 0.934757 0.934757 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000221036 0.000221036 5.0462e-05 5.0462e-05 spec pop growth rate
t2 d NaN NaN NaN NaN 3135.9 3135.9 13736 13736 population doubling time
a_b d 516.034 516.034 516.034 516.034 516.034 516.034 516.034 516.034 age at birth
t_x d 6440.97 1570.98 4089.58 1506.09 2894.81 1398.5 2894.81 1398.5 time since birth at weaning
t_p d 633.073 441.295 605.436 430.893 559.324 412.552 559.324 412.552 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_x - 0.999999 1 0.512408 0.42228 0.999999 1 0.492764 0.40978 survival probability at weaning
S_p - 0.999649 0.999997 0.189831 0.194945 0.999975 0.999998 0.189487 0.194701 survival probability at puberty
theta_0b - 0.0145925 0.0113496 0.07445 0.108524 0.108143 0.107933 0.151529 0.221087 frac of ind that is embryo
theta_bx - 0.0145874 0.0113457 0.0522951 0.0692698 0.0964541 0.0962674 0.101846 0.135758 fraction of individuals that is baby
theta_xp - 0.167473 0.0231944 0.135232 0.0579451 0.326441 0.141197 0.174711 0.0982543 fraction of individuals that is juvenile
theta_pi - 0.803347 0.95411 0.738023 0.764261 0.468961 0.654603 0.571915 0.5449 frac of ind that is adult
L_bi cm 116.084 166.773 115.968 160.207 110.47 144.885 115.158 147.786 mean structural length of post-natals
L2_bi cm^2 13565 28112.7 13727.2 26935 12734.8 22709.2 13873.6 24316.8 mean squared structural length of post-natals
L3_bi cm^3 1.59184e+06 4.76686e+06 1.64495e+06 4.63565e+06 1.51224e+06 3.74105e+06 1.71873e+06 4.23825e+06 mean cubed structural length of post-natals
Ww_bi g 9.38181e+06 3.8533e+07 9.97656e+06 3.86216e+07 9.70629e+06 3.30826e+07 1.10316e+07 3.74795e+07 mean wet weight of post-natals
L_pi cm 118.934 169.619 122.872 173.731 128.153 166.321 130.226 177.685 mean structural length of adults
L2_pi cm^2 14145.2 28836.4 15098 30320.9 16438.3 28148.4 16967.6 31984.7 mean squared structural length of adults
L3_pi cm^3 1.68235e+06 4.91134e+06 1.85527e+06 5.31081e+06 2.11042e+06 4.83622e+06 2.21183e+06 5.81673e+06 mean cubed structural length of adults
Ww_pi g 9.91523e+06 3.97009e+07 1.12521e+07 4.42466e+07 1.35457e+07 4.27674e+07 1.41966e+07 5.14382e+07 mean wet weight of adults
R 1/d 3.51319e-05 0.0024807 0.000195266 0.00271181 0.000421721 0.0022969 0.000506456 0.00294592 mean reproduction rate of adults
J_X g/d 26011.8 78030.8 27244.2 77378.7 27038.6 69792.4 29456.5 74733 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 0.0123623 0.0118481 0.00294436 0.0028618 yield of living structure on food
Y_VX_d mol/mol 0.00185752 0.00145576 0.00403794 0.00348629 6.06775e-05 2.33912e-05 0.00547173 0.00535599 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0669849 0.0929262 0.015954 0.0224455 yield of living reserve on food
Y_EX_d mol/mol 0.00909008 0.0103119 0.020452 0.0255595 0.000328779 0.000183461 0.0296484 0.0420078 yield of dead reserve on food
Y_CX mol/mol 0.813702 0.812943 0.801175 0.796961 0.750072 0.726721 0.773861 0.756607 yield of CO2 on food
Y_HX mol/mol 0.693968 0.693321 0.683284 0.67969 0.639701 0.619786 0.65999 0.645275 yield of H2O on food
Y_OX mol/mol -0.956649 -0.955757 -0.941922 -0.936967 -0.881841 -0.854388 -0.90981 -0.889525 yield of O2 on food
Y_NX mol/mol 0.0659758 0.0659143 0.0649601 0.0646184 0.0608166 0.0589233 0.0627455 0.0613465 yield of N-waste on food
mu_TX J/mol 458523 458059 451307 448816 421846 408165 435556 425458 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