Raja clavata: Population traits

at T = 12 °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: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.673584 0.708459 0.85423 0.85423 1 1 scaled functional response
r 1/d 0 0 0.000867918 0.000233773 0.00114223 0.000335257 spec pop growth rate
t2 d NaN NaN 798.632 2965.05 606.836 2067.51 population doubling time
a_b d 206.945 205.693 201.36 201.36 198.076 198.076 age at birth
t_p d 12669.9 7654.26 4545.51 4545.51 3612.33 3612.33 time since birth at puberty
S_b - 0.999982 0.999982 0.999983 0.999983 0.999984 0.999984 survival probability at birth
S_p - 0.999904 0.437311 0.999914 0.409404 0.99992 0.388741 survival probability at puberty
theta_0b - 0.0187803 0.263786 0.160853 0.377512 0.202746 0.417933 frac of ind that is embryo
theta_bp - 0.0187868 0.173513 0.135096 0.230065 0.16173 0.243911 fraction of individuals that is juvenile
theta_pi - 0.962433 0.562701 0.704051 0.392423 0.635524 0.338156 frac of ind that is adult
L_bi cm 6.73142 4.3463 3.91923 3.2171 3.67833 3.00326 mean structural length of post-natals
L2_bi cm^2 48.538 26.0858 19.4326 15.5392 17.471 13.7913 mean squared structural length of post-natals
L3_bi cm^3 362.162 183.575 113.736 100.5 100.644 89.3907 mean cubed structural length of post-natals
Ww_bi g 1350.95 710.733 507.543 448.479 508.588 451.72 mean wet weight of post-natals
L_pi cm 6.83414 5.24349 4.38343 4.2483 4.22712 4.10499 mean structural length of adults
L2_pi cm^2 49.4427 33.484 22.7226 23.3819 21.317 22.1385 mean squared structural length of adults
L3_pi cm^3 369.167 239.228 134.881 157.51 125.311 151.417 mean cubed structural length of adults
Ww_pi g 1377.09 926.199 601.901 702.884 633.236 765.16 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 3.55255 2.00811 1.80373 1.44235 1.89839 1.49856 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 0.0547273 0.0162889 0.0605562 0.0199985 yield of living structure on food
Y_VX_d mol/mol 0.0136227 0.027437 0.000769077 0.0344537 0.00041672 0.0371465 yield of dead structure on food
Y_EX mol/mol 0 0 0.189492 0.0563997 0.245454 0.0810604 yield of living reserve on food
Y_EX_d mol/mol 0.0371934 0.0787884 0.0026629 0.119295 0.0016891 0.150567 yield of dead reserve on food
Y_CX mol/mol 0.776823 0.72557 0.594751 0.614374 0.538821 0.556714 yield of CO2 on food
Y_HX mol/mol 0.667182 0.623162 0.510807 0.52766 0.462771 0.478139 yield of H2O on food
Y_OX mol/mol -0.913292 -0.853035 -0.699234 -0.722304 -0.633478 -0.654515 yield of O2 on food
Y_NX mol/mol 0.0629857 0.05883 0.0482231 0.0498141 0.0436882 0.045139 yield of N-waste on food
mu_TX J/mol 437548 408271 333184 344419 300755 311026 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