Neophoca cinerea: 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: 2025/02/12
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.820136 0.820136 0.893427 0.893427 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000380254 0.000380254 8.07924e-05 8.07924e-05 spec pop growth rate
t2 d NaN NaN NaN NaN 1822.85 1822.85 8579.36 8579.36 population doubling time
a_b d 455.818 455.818 455.818 455.818 455.818 455.818 455.818 455.818 age at birth
t_x d 3354.43 2046.49 2145.5 1698.67 1602.74 1424.42 1602.74 1424.42 time since birth at weaning
t_p d 693.409 545.447 619.093 505.588 548.436 464.369 548.436 464.369 time since birth at puberty
S_b - 0.999991 0.999993 0.999991 0.999993 0.999991 0.999993 0.999991 0.999993 survival probability at birth
S_x - 0.999922 0.999942 0.571249 0.50441 0.999929 0.999946 0.532278 0.473987 survival probability at weaning
S_p - 0.991929 0.998681 0.286887 0.238953 0.999114 0.999529 0.27681 0.232254 survival probability at puberty
theta_0b - 0.0369959 0.0331631 0.122801 0.148859 0.163171 0.16192 0.199934 0.236804 frac of ind that is embryo
theta_bx - 0.0369926 0.0331604 0.0912462 0.103858 0.137193 0.136142 0.138406 0.154729 fraction of individuals that is baby
theta_xp - 0.234682 0.115666 0.17109 0.133785 0.256148 0.221596 0.16765 0.147313 fraction of individuals that is juvenile
theta_pi - 0.691329 0.81801 0.614863 0.613498 0.443488 0.480342 0.494009 0.461154 frac of ind that is adult
L_bi cm 20.8087 25.1987 21.4984 25.2488 21.34 24.5239 22.142 25.2093 mean structural length of post-natals
L2_bi cm^2 437.141 644.355 474.12 666.798 475.357 640.906 514.308 687.898 mean squared structural length of post-natals
L3_bi cm^3 9246.99 16637.8 10644.1 18119.7 10944.6 17546.5 12359 19785.1 mean cubed structural length of post-natals
Ww_bi g 42536.6 90087.9 52387.9 105260 58986.8 111996 66609.9 126285 mean wet weight of post-natals
L_pi cm 21.7358 26.3445 23.4572 28.3231 24.9506 29.2662 25.6087 30.5449 mean structural length of adults
L2_pi cm^2 472.462 694.554 550.489 803.929 624.398 863.071 657.369 939.045 mean squared structural length of adults
L3_pi cm^3 10270 18324.3 12924.4 22863.5 15670.8 25635.7 16912 29035.9 mean cubed structural length of adults
Ww_pi g 47242.7 99220.1 63611 132818 84458.8 163628 91148.4 185332 mean wet weight of adults
R 1/d 0.000116778 0.000758317 0.000436474 0.00121064 0.000738512 0.00143693 0.00086972 0.00175713 mean reproduction rate of adults
J_X g/d 157.028 283.837 185.531 319.972 208.204 344.233 225.264 369.472 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 0.0199887 0.0193826 0.00443264 0.0043264 yield of living structure on food
Y_VX_d mol/mol 0.00555318 0.00505342 0.0106564 0.0103022 0.000990469 0.000742759 0.0122464 0.0119993 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.087742 0.104333 0.0194574 0.0232883 yield of living reserve on food
Y_EX_d mol/mol 0.0199917 0.0223091 0.0417921 0.0495452 0.00434774 0.00399816 0.0537566 0.0645901 yield of dead reserve on food
Y_CX mol/mol 0.800199 0.798518 0.775313 0.768469 0.719239 0.705006 0.740677 0.727439 yield of CO2 on food
Y_HX mol/mol 0.682452 0.681018 0.661228 0.655391 0.613405 0.601266 0.631689 0.620399 yield of H2O on food
Y_OX mol/mol -0.940775 -0.938798 -0.911517 -0.903471 -0.845592 -0.828858 -0.870796 -0.855233 yield of O2 on food
Y_NX mol/mol 0.064881 0.0647447 0.0628632 0.0623083 0.0583167 0.0571626 0.0600549 0.0589816 yield of N-waste on food
mu_TX J/mol 450812 449804 436517 432497 404246 395881 416566 408808 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