Myliobatis aquila: Population traits

at T = 15.2 °C with background hazards for embryo, juv, adult: 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 std f_min f_max date: 2024/03/09
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.443975 0.443975 0.636478 0.636478 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000945377 0.000945377 0.000107694 0.000107694 spec pop growth rate
t2 d NaN NaN NaN NaN 733.197 733.197 6436.28 6436.28 population doubling time
a_b d 248.68 277.622 234.81 260.552 220.238 241.638 220.238 241.638 age at birth
t_p d 4592.69 1185.47 1881.05 569.474 1109.77 322.863 1109.77 322.863 time since birth at puberty
S_b - 0.999968 0.999918 0.999973 0.999931 0.999977 0.999944 0.999977 0.999944 survival probability at birth
S_p - 0.999803 0.999413 0.557111 0.728544 0.999879 0.999669 0.464735 0.601731 survival probability at puberty
theta_0b - 0.0246045 0.037015 0.17088 0.102725 0.188478 0.205602 0.293186 0.200891 frac of ind that is embryo
theta_bp - 0.0246218 0.0370645 0.126912 0.0874196 0.153095 0.163683 0.194455 0.151297 fraction of individuals that is juvenile
theta_pi - 0.950774 0.925921 0.702208 0.809856 0.658426 0.630715 0.512358 0.647812 frac of ind that is adult
L_bi cm 14.0157 7.79679 15.3294 9.87812 14.5383 10.2179 16.0369 12.0064 mean structural length of post-natals
L2_bi cm^2 202.909 61.3618 273.088 102.03 255.165 115.036 349.785 164.24 mean squared structural length of post-natals
L3_bi cm^3 2998.74 486.739 5307.16 1089.65 5180.92 1409.8 9233.32 2465.74 mean cubed structural length of post-natals
Ww_bi g 4451.45 611.635 8992.93 1490.49 10834 2224.61 19308.2 3890.84 mean wet weight of post-natals
L_pi cm 14.2191 7.88101 16.9499 10.3048 16.3418 11.2415 19.5966 13.3548 mean structural length of adults
L2_pi cm^2 207.176 62.52 315.074 109.247 303.673 134.622 465.51 193.476 mean squared structural length of adults
L3_pi cm^3 3070.26 498.825 6218.78 1184.68 6310.42 1710.58 12621.5 2984.15 mean cubed structural length of adults
Ww_pi g 4557.63 626.822 10537.7 1620.47 13196 2699.21 26393.4 4708.85 mean wet weight of adults
R 1/d 0 0.000149579 0.00189726 0.000614389 0.00245487 0.00111382 0.005165 0.00176594 mean reproduction rate of adults
J_X g/d 11.8406 1.89663 22.8455 4.52105 33.5378 8.00867 45.9743 11.4342 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 0.146042 0.166419 0.0216289 0.0232238 yield of living structure on food
Y_VX_d mol/mol 0.0332093 0.0421159 0.0653023 0.0715768 0.00167605 0.00349967 0.0720602 0.0802788 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.159352 0.0961829 0.0236002 0.0134223 yield of living reserve on food
Y_EX_d mol/mol 0.016088 0.0108069 0.0453518 0.0263299 0.00182881 0.00202265 0.0786281 0.0463976 yield of dead reserve on food
Y_CX mol/mol 0.778228 0.774875 0.721473 0.733264 0.538097 0.575813 0.642604 0.672755 yield of CO2 on food
Y_HX mol/mol 0.668388 0.665508 0.619644 0.629771 0.462149 0.494542 0.551907 0.577801 yield of H2O on food
Y_OX mol/mol -0.914944 -0.911001 -0.848218 -0.862081 -0.632627 -0.676969 -0.755494 -0.790941 yield of O2 on food
Y_NX mol/mol 0.0630996 0.0628277 0.0584978 0.0594539 0.0436295 0.0466875 0.0521031 0.0545477 yield of N-waste on food
mu_TX J/mol 439349 437833 407769 414977 304669 327832 363073 381193 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