Amblyraja radiata: Population traits

at T = 8 °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_minf f_max date: 2025/05/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.732018 NaN 0.866009 NaN 1 1 scaled functional response
r 1/d 0 0 0.000372417 NaN 0.000527405 NaN spec pop growth rate
t2 d NaN NaN 1861.21 NaN 1314.26 NaN population doubling time
a_b d 328.603 NaN 325.747 NaN 323.605 NaN age at birth
t_p d 10029.2 NaN 6455.74 NaN 5367.99 NaN time since birth at puberty
S_b - 0.99993 NaN 0.999932 NaN 0.999933 NaN survival probability at birth
S_p - 0.999625 NaN 0.999641 NaN 0.999653 NaN survival probability at puberty
theta_0b - 0.03779 NaN 0.121873 NaN 0.161006 NaN frac of ind that is embryo
theta_bp - 0.0377905 NaN 0.107949 NaN 0.135742 NaN fraction of individuals that is juvenile
theta_pi - 0.924419 NaN 0.770178 NaN 0.703252 NaN frac of ind that is adult
L_bi cm 5.78999 NaN 4.53205 NaN 4.22628 NaN mean structural length of post-natals
L2_bi cm^2 36.9072 NaN 25.2297 NaN 22.8172 NaN mean squared structural length of post-natals
L3_bi cm^3 247.34 NaN 158.971 NaN 144.277 NaN mean cubed structural length of post-natals
Ww_bi g 1545.19 NaN 1145.81 NaN 1178.48 NaN mean wet weight of post-natals
L_pi cm 5.96855 NaN 4.96601 NaN 4.76238 NaN mean structural length of adults
L2_pi cm^2 38.3314 NaN 28.4697 NaN 26.8055 NaN mean squared structural length of adults
L3_pi cm^3 257.326 NaN 180.806 NaN 171.492 NaN mean cubed structural length of adults
Ww_pi g 1607.57 NaN 1303.19 NaN 1400.78 NaN mean wet weight of adults
R 1/d 0 NaN 0 NaN 0 NaN mean reproduction rate of adults
J_X g/d 2.60944 NaN 2.11032 NaN 2.20382 NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 NaN yield of faeces on food
Y_VX mol/mol 0 NaN 0.0280542 NaN 0.0345276 NaN yield of living structure on food
Y_VX_d mol/mol 0.0188036 NaN 0.0060922 NaN 0.00372707 NaN yield of dead structure on food
Y_EX mol/mol 0 NaN 0.174152 NaN 0.247499 NaN yield of living reserve on food
Y_EX_d mol/mol 0.0986666 NaN 0.0378185 NaN 0.0267162 NaN yield of dead reserve on food
Y_CX mol/mol 0.715168 NaN 0.59617 NaN 0.534794 NaN yield of CO2 on food
Y_HX mol/mol 0.614229 NaN 0.512026 NaN 0.459312 NaN yield of H2O on food
Y_OX mol/mol -0.840806 NaN -0.700903 NaN -0.628744 NaN yield of O2 on food
Y_NX mol/mol 0.0579866 NaN 0.0483381 NaN 0.0433616 NaN yield of N-waste on food
mu_TX J/mol 401757 NaN 332946 NaN 297264 NaN 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