Bathyraja trachura: Population traits

at T = 4 °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: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.710893 0.710893 0.892963 0.892963 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000238968 0.000238968 2.66155e-05 2.66155e-05 spec pop growth rate
t2 d NaN NaN NaN NaN 2900.59 2900.59 26043 26043 population doubling time
a_b d 1165.53 1165.53 1136.34 1136.34 1123.41 1123.41 1123.41 1123.41 age at birth
t_p d 18629.2 13938.8 10601.1 9080.35 9068.33 7911.45 9068.33 7911.45 time since birth at puberty
S_b - 0.999573 0.999573 0.999603 0.999603 0.999616 0.999616 0.999616 0.999616 survival probability at birth
S_p - 0.997534 0.997534 0.421691 0.421691 0.99792 0.99792 0.404109 0.404109 survival probability at puberty
theta_0b - 0.0631145 0.0631145 0.324151 0.324151 0.243181 0.243181 0.370168 0.370168 frac of ind that is embryo
theta_bp - 0.0630591 0.0630591 0.208505 0.208505 0.18578 0.18578 0.226799 0.226799 fraction of individuals that is juvenile
theta_pi - 0.873826 0.873826 0.467345 0.467345 0.571038 0.571038 0.403033 0.403033 frac of ind that is adult
L_bi cm 5.46042 5.46042 4.53717 4.53717 4.49999 4.49999 4.38521 4.38521 mean structural length of post-natals
L2_bi cm^2 32.0849 32.0849 25.4242 25.4242 23.8409 23.8409 24.4586 24.4586 mean squared structural length of post-natals
L3_bi cm^3 197.527 197.527 165.073 165.073 143.598 143.598 163.213 163.213 mean cubed structural length of post-natals
Ww_bi g 674.334 674.334 665.593 665.593 631.197 631.197 717.416 717.416 mean wet weight of post-natals
L_pi cm 5.69109 5.69109 5.55133 5.55133 5.20134 5.20134 5.56624 5.56624 mean structural length of adults
L2_pi cm^2 34.026 34.026 34.4447 34.4447 29.7797 29.7797 35.2298 35.2298 mean squared structural length of adults
L3_pi cm^3 210.914 210.914 233.297 233.297 185.916 185.916 247.981 247.981 mean cubed structural length of adults
Ww_pi g 720.037 720.037 940.683 940.683 817.206 817.206 1090.02 1090.02 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0.000346345 mean reproduction rate of adults
J_X g/d 0.568877 0.568877 0.566233 0.566233 0.594616 0.594616 0.610021 0.610021 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 0.0577101 0.0577101 0.00712108 0.00712108 yield of living structure on food
Y_VX_d mol/mol 0.0323479 0.0323479 0.0527755 0.0527755 0.00687421 0.00687421 0.0511684 0.0511684 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.195959 0.195959 0.0241802 0.0241802 yield of living reserve on food
Y_EX_d mol/mol 0.0780842 0.0780842 0.160022 0.160022 0.0233419 0.0233419 0.173746 0.173746 yield of dead reserve on food
Y_CX mol/mol 0.721678 0.721678 0.626991 0.626991 0.561234 0.561234 0.586829 0.586829 yield of CO2 on food
Y_HX mol/mol 0.61982 0.61982 0.538496 0.538496 0.482021 0.482021 0.504003 0.504003 yield of H2O on food
Y_OX mol/mol -0.84846 -0.84846 -0.737138 -0.737138 -0.659829 -0.659829 -0.68992 -0.68992 yield of O2 on food
Y_NX mol/mol 0.0585145 0.0585145 0.0508371 0.0508371 0.0455055 0.0455055 0.0475807 0.0475807 yield of N-waste on food
mu_TX J/mol 406241 406241 351898 351898 314041 314041 328691 328691 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