Megaptera novaeangliae: Population traits

at T = 37 °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_minf f_max date: 2023/08/08
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.768142 0.799726 0.899863 0.899863 1 1 scaled functional response
r 1/d 0 0 0.000303828 4.6253e-05 0.000431427 6.95755e-05 spec pop growth rate
t2 d NaN NaN 2281.38 14986 1606.64 9962.52 population doubling time
a_b d 286.956 286.956 286.956 286.956 286.956 286.956 age at birth
t_x d 5654.49 3224.85 2020.35 2020.35 1623.99 1623.99 time since birth at weaning
t_p d 182.391 176.724 162.609 162.609 152.445 152.445 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_x - 1 0.468529 1 0.442479 1 0.421899 survival probability at weaning
S_p - 0.999982 0.11228 0.999999 0.111816 1 0.111449 survival probability at puberty
theta_0b - 0.00485512 0.0453657 0.083514 0.131982 0.116468 0.189718 frac of ind that is embryo
theta_bx - 0.00485401 0.0305713 0.0765244 0.0853955 0.102884 0.119176 fraction of individuals that is baby
theta_xp - 0.0907941 0.0820267 0.343921 0.145606 0.342184 0.16196 fraction of individuals that is juvenile
theta_pi - 0.899497 0.842036 0.496041 0.637016 0.438464 0.529146 frac of ind that is adult
L_bi cm 144.735 146.208 137.334 148.825 137.574 151.651 mean structural length of post-natals
L2_bi cm^2 21036.7 21790.5 20134.1 23617.2 20742.6 25509.6 mean squared structural length of post-natals
L3_bi cm^3 3.06488e+06 3.27815e+06 3.07433e+06 3.86916e+06 3.31767e+06 4.52022e+06 mean cubed structural length of post-natals
Ww_bi g 1.42343e+07 1.57161e+07 1.61995e+07 2.03876e+07 1.90579e+07 2.59658e+07 mean wet weight of post-natals
L_pi cm 146.605 152.492 164.642 169.84 174.25 185.493 mean structural length of adults
L2_pi cm^2 21492.9 23254.3 27161.5 28868.3 30539.7 34513.6 mean squared structural length of adults
L3_pi cm^3 3.15096e+06 3.54625e+06 4.4895e+06 4.91038e+06 5.38203e+06 6.43893e+06 mean cubed structural length of adults
Ww_pi g 1.46341e+07 1.70014e+07 2.36564e+07 2.58741e+07 3.09163e+07 3.69875e+07 mean wet weight of adults
R 1/d 1.88337e-05 0.000187699 0.000561385 0.000717054 0.000869365 0.00123671 mean reproduction rate of adults
J_X g/d 51369.8 55398.3 57596.6 67560.4 65940.3 81094.5 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 0.0162174 0.0026489 0.0217065 0.00387815 yield of living structure on food
Y_VX_d mol/mol 0.00104294 0.00257769 1.54607e-06 0.00475436 6.70102e-07 0.00654942 yield of dead structure on food
Y_EX mol/mol 0 0 0.0692365 0.0113089 0.102983 0.0183993 yield of living reserve on food
Y_EX_d mol/mol 0.00380082 0.00978023 6.60061e-06 0.0202976 3.1792e-06 0.0310728 yield of dead reserve on food
Y_CX mol/mol 0.819348 0.812397 0.744776 0.787744 0.708486 0.768421 yield of CO2 on food
Y_HX mol/mol 0.698783 0.692855 0.635184 0.67183 0.604235 0.65535 yield of H2O on food
Y_OX mol/mol -0.963287 -0.955115 -0.875615 -0.926132 -0.83295 -0.903414 yield of O2 on food
Y_NX mol/mol 0.0664336 0.06587 0.0603872 0.0638711 0.0574448 0.0623044 yield of N-waste on food
mu_TX J/mol 461783 457796 418940 443623 397995 432475 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