Raja radula: Population traits

at T = 15 °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 - 0.636062 0.636062 0.71165 0.71165 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.001416 0.001416 0.000367387 0.000367387 spec pop growth rate
t2 d NaN NaN NaN NaN 489.512 489.512 1886.7 1886.7 population doubling time
a_b d 194.077 198.548 191.33 195.546 184.012 187.478 184.012 187.478 age at birth
t_p d 7132.7 3.36648e+22 4292.25 3.36648e+22 2437.48 3162.15 2437.48 3162.15 time since birth at puberty
S_b - 0.999904 0.999879 0.999908 0.999884 0.999917 0.999896 0.999917 0.999896 survival probability at birth
S_p - 0.999481 0.999325 0.45365 0.484697 0.999582 0.999466 0.401575 0.425885 survival probability at puberty
theta_0b - 0.0321599 0.0353596 0.277433 0.255236 0.230618 0.234716 0.409088 0.390303 frac of ind that is embryo
theta_bp - 0.0321653 0.0353646 0.18578 0.176659 0.17773 0.179998 0.242216 0.237569 fraction of individuals that is juvenile
theta_pi - 0.935675 0.929276 0.536787 0.568105 0.591651 0.585286 0.348696 0.372128 frac of ind that is adult
L_bi cm 4.53994 3.88284 3.1907 2.9408 2.94628 2.72845 2.59809 2.50248 mean structural length of post-natals
L2_bi cm^2 22.3504 16.2217 13.4587 10.8718 10.8968 9.11719 9.68873 8.57624 mean squared structural length of post-natals
L3_bi cm^3 115.092 70.719 67.0967 46.3871 48.2585 35.8943 48.5993 38.0481 mean cubed structural length of post-natals
Ww_bi g 360.736 198.098 227.322 139.869 210.192 137.54 211.677 145.793 mean wet weight of post-natals
L_pi cm 4.65107 3.98194 3.84799 3.46043 3.4213 3.15548 3.48009 3.26433 mean structural length of adults
L2_pi cm^2 23.0593 16.7762 17.5318 13.7457 13.6011 11.3607 15.1718 12.9406 mean squared structural length of adults
L3_pi cm^3 118.969 73.3285 89.5435 60.154 61.9524 46.1603 80.6436 60.8397 mean cubed structural length of adults
Ww_pi g 372.888 205.408 303.371 181.38 269.836 176.877 351.247 233.126 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 1.25994 0.771726 0.84886 0.578677 0.965756 0.681913 0.858685 0.641453 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 0.070757 0.0745349 0.0207931 0.0217917 yield of living structure on food
Y_VX_d mol/mol 0.0247515 0.0263288 0.0444633 0.0469529 0.00169865 0.00209321 0.046793 0.0494138 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.237428 0.211068 0.0697723 0.06171 yield of living reserve on food
Y_EX_d mol/mol 0.052828 0.0474235 0.106177 0.0946222 0.00569988 0.00592758 0.157016 0.13993 yield of dead reserve on food
Y_CX mol/mol 0.752067 0.755607 0.684486 0.692871 0.531913 0.552226 0.551532 0.571446 yield of CO2 on food
Y_HX mol/mol 0.645919 0.64896 0.587877 0.595078 0.456838 0.474284 0.473688 0.490791 yield of H2O on food
Y_OX mol/mol -0.884187 -0.888349 -0.804733 -0.814592 -0.625358 -0.649239 -0.648423 -0.671835 yield of O2 on food
Y_NX mol/mol 0.0609784 0.0612655 0.0554988 0.0561787 0.0431281 0.0447751 0.0447188 0.0463334 yield of N-waste on food
mu_TX J/mol 423629 425778 385100 390127 297290 309376 308518 320342 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