Pusa sibirica: 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_min f_max date: 2025/02/13
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.940566 0.940566 0.945998 0.945998 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000557457 0.000557457 0.000221504 0.000221504 spec pop growth rate
t2 d NaN NaN NaN NaN 1243.41 1243.41 3129.27 3129.27 population doubling time
a_b d 275.736 275.736 275.736 275.736 275.736 275.736 275.736 275.736 age at birth
t_x d 5799.5 3117.51 4213.01 2928.52 2297.75 2053.07 2297.75 2053.07 time since birth at weaning
t_p d 71.6363 70.2216 71.2673 69.8709 67.9443 66.7082 67.9443 66.7082 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_x - 1 1 0.536279 0.529399 1 1 0.519607 0.513135 survival probability at weaning
S_p - 0.99976 0.999977 0.169761 0.169578 0.999991 0.999994 0.169307 0.169128 survival probability at puberty
theta_0b - 0.0112981 0.0111033 0.0593543 0.0607475 0.142515 0.142514 0.22211 0.227105 frac of ind that is embryo
theta_bx - 0.0112957 0.0111009 0.0428066 0.0435268 0.122185 0.122185 0.148808 0.151209 fraction of individuals that is baby
theta_xp - 0.226273 0.114407 0.188111 0.13952 0.497154 0.462339 0.310165 0.289036 fraction of individuals that is juvenile
theta_pi - 0.751133 0.863388 0.709728 0.756205 0.238146 0.272962 0.318918 0.33265 frac of ind that is adult
L_bi cm 19.5183 19.9559 19.0422 19.4389 16.6308 16.8924 16.8218 17.0378 mean structural length of post-natals
L2_bi cm^2 383.448 400.913 369.541 385.512 291.79 301.73 303.059 312.121 mean squared structural length of post-natals
L3_bi cm^3 7563.57 8087.63 7251.35 7734.32 5325.91 5614.84 5723.49 6008.52 mean cubed structural length of post-natals
Ww_bi g 44256.3 48215.5 42632.5 46330.8 32795.8 35234 35244 37704.4 mean wet weight of post-natals
L_pi cm 19.9751 20.4101 20.0852 20.5221 20.7938 21.1032 20.9994 21.3838 mean structural length of adults
L2_pi cm^2 399.006 416.578 403.414 421.165 432.522 445.616 441.087 457.481 mean squared structural length of adults
L3_pi cm^3 7970.2 8502.59 8102.64 8643.48 8999.62 9415.2 9267.19 9791.71 mean cubed structural length of adults
Ww_pi g 46635.5 50689.3 47637.5 51776.9 55417.7 59081.8 57065.3 61444.4 mean wet weight of adults
R 1/d 5.42399e-05 0.00104335 0.000302822 0.00130106 0.0020074 0.00275836 0.00244881 0.00337296 mean reproduction rate of adults
J_X g/d 217.911 233.021 211.221 225.364 176.301 186.455 183.11 192.876 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 0.0168403 0.016787 0.00692358 0.00690034 yield of living structure on food
Y_VX_d mol/mol 0.00151574 0.00148999 0.00320954 0.00317979 2.62521e-06 2.44489e-06 0.00801065 0.0080861 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0868587 0.0885541 0.0357104 0.0364003 yield of living reserve on food
Y_EX_d mol/mol 0.00735319 0.00739279 0.0156602 0.0158681 1.35403e-05 1.28972e-05 0.0413172 0.0426554 yield of dead reserve on food
Y_CX mol/mol 0.815624 0.815612 0.806374 0.806209 0.727892 0.726373 0.738763 0.736839 yield of CO2 on food
Y_HX mol/mol 0.695608 0.695597 0.687718 0.687578 0.620784 0.61949 0.630057 0.628415 yield of H2O on food
Y_OX mol/mol -0.95891 -0.958895 -0.948034 -0.94784 -0.855764 -0.853979 -0.868546 -0.866284 yield of O2 on food
Y_NX mol/mol 0.0661317 0.0661307 0.0653816 0.0653683 0.0590182 0.0588951 0.0598997 0.0597437 yield of N-waste on food
mu_TX J/mol 459630 459621 454306 454208 409099 408208 415360 414237 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