Erignathus barbatus: 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: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.917473 0.936509 0.968254 0.968254 1 1 scaled functional response
r 1/d 0 0 0.00042557 0.000108992 0.000572285 0.000178768 spec pop growth rate
t2 d NaN NaN 1628.75 6359.61 1211.19 3877.37 population doubling time
a_b d 263.814 263.814 263.814 263.814 263.814 263.814 age at birth
t_x d 2815.48 1967.91 1537.97 1537.97 1326.22 1326.22 time since birth at weaning
t_p d 25.4773 25.3668 25.194 25.194 25.0342 25.0342 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_x - 0.999999 0.500966 0.999999 0.490525 0.999999 0.480898 survival probability at weaning
S_p - 0.999265 0.219813 0.999908 0.217526 0.999943 0.215428 survival probability at puberty
theta_0b - 0.0190401 0.0798221 0.107103 0.14481 0.140528 0.190837 frac of ind that is embryo
theta_bx - 0.0190378 0.0551199 0.0957176 0.0963109 0.120822 0.123532 fraction of individuals that is baby
theta_xp - 0.184104 0.144824 0.337178 0.18172 0.337739 0.191671 fraction of individuals that is juvenile
theta_pi - 0.777818 0.720234 0.460001 0.577159 0.40091 0.493961 frac of ind that is adult
L_bi cm 24.5431 24.3722 23.3666 24.0173 23.1357 23.8344 mean structural length of post-natals
L2_bi cm^2 605.967 603.542 562.092 594.428 555.633 592.037 mean squared structural length of post-natals
L3_bi cm^3 15020.5 15096.8 13803.3 15002.7 13711.8 15116.1 mean cubed structural length of post-natals
Ww_bi g 329154 337378 318459 346131 326270 359685 mean wet weight of post-natals
L_pi cm 25.1274 25.6248 26.2456 26.3995 26.8363 27.1257 mean structural length of adults
L2_pi cm^2 631.386 656.637 688.954 697.002 720.536 736.03 mean squared structural length of adults
L3_pi cm^3 15865.1 16826.6 18088.5 18404.1 19355.1 19977.3 mean cubed structural length of adults
Ww_pi g 347662 376033 417323 424605 460550 475357 mean wet weight of adults
R 1/d 9.26112e-05 0.000419765 0.000833781 0.000936949 0.00123071 0.00142963 mean reproduction rate of adults
J_X g/d 2220.7 2257.71 2173.93 2298.99 2219.4 2364.81 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 0.00270216 0.00071126 0.00353565 0.0011427 yield of living structure on food
Y_VX_d mol/mol 0.000525954 0.00107739 3.43038e-05 0.00131517 1.66982e-05 0.00160504 yield of dead structure on food
Y_EX mol/mol 0 0 0.0596398 0.0156984 0.0805946 0.0260476 yield of living reserve on food
Y_EX_d mol/mol 0.0109996 0.0229997 0.000757126 0.0290274 0.000380633 0.0365866 yield of dead reserve on food
Y_CX mol/mol 0.813167 0.801557 0.76543 0.780582 0.74564 0.76335 yield of CO2 on food
Y_HX mol/mol 0.693512 0.68361 0.652799 0.665722 0.635921 0.651025 yield of H2O on food
Y_OX mol/mol -0.956021 -0.942371 -0.899897 -0.917712 -0.876631 -0.897452 yield of O2 on food
Y_NX mol/mol 0.0659325 0.0649911 0.0620619 0.0632905 0.0604573 0.0618932 yield of N-waste on food
mu_TX J/mol 458143 451383 430342 439166 418812 429126 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