Raja undulata: Population traits

at T = 13.2 °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_minf f_max date: 2025/05/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.765979 0.905521 0.952761 0.952761 1 1 scaled functional response
r 1/d 0 0 0.000656681 5.34308e-05 0.000740983 9.5904e-05 spec pop growth rate
t2 d NaN NaN 1055.53 12972.8 935.443 7227.51 population doubling time
a_b d 274.006 268.811 267.336 267.336 265.976 265.976 age at birth
t_p d 8887.21 5306.22 4841.53 4841.53 4487.97 4487.97 time since birth at puberty
S_b - 0.999793 0.999804 0.999807 0.999807 0.999809 0.999809 survival probability at birth
S_p - 0.998916 0.411951 0.999019 0.404806 0.999039 0.398265 survival probability at puberty
theta_0b - 0.0401928 0.329716 0.166575 0.35429 0.183413 0.373195 frac of ind that is embryo
theta_bp - 0.0401858 0.210407 0.139728 0.221195 0.150574 0.228747 fraction of individuals that is juvenile
theta_pi - 0.919621 0.459877 0.693697 0.424516 0.666013 0.398058 frac of ind that is adult
L_bi cm 5.99089 3.90452 4.22967 3.72386 4.11847 3.60111 mean structural length of post-natals
L2_bi cm^2 39.8494 21.412 22.2185 19.7802 21.2425 18.7025 mean squared structural length of post-natals
L3_bi cm^3 281.099 145.917 136.077 133.793 129.058 126.154 mean cubed structural length of post-natals
Ww_bi g 1102.46 649.957 630.648 620.061 621.376 607.392 mean wet weight of post-natals
L_pi cm 6.17998 4.93982 4.74034 4.80551 4.66486 4.7201 mean structural length of adults
L2_pi cm^2 41.4682 29.9552 26.106 28.6474 25.3791 27.8502 mean squared structural length of adults
L3_pi cm^3 293.173 210.553 162.458 201.052 157.065 195.909 mean cubed structural length of adults
Ww_pi g 1149.82 937.862 752.909 931.775 756.218 943.242 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 2.63036 1.67084 1.82421 1.62402 1.83055 1.61167 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 0.0489852 0.00440182 0.052241 0.0075069 yield of living structure on food
Y_VX_d mol/mol 0.0283103 0.0465227 0.00618379 0.0457234 0.00512224 0.0451985 yield of dead structure on food
Y_EX mol/mol 0 0 0.178036 0.0159984 0.199283 0.0286365 yield of living reserve on food
Y_EX_d mol/mol 0.082722 0.160703 0.0224749 0.166181 0.0195398 0.172418 yield of dead reserve on food
Y_CX mol/mol 0.721123 0.632145 0.587324 0.608946 0.568356 0.5891 yield of CO2 on food
Y_HX mol/mol 0.619343 0.542923 0.504429 0.522999 0.488137 0.505954 yield of H2O on food
Y_OX mol/mol -0.847807 -0.743197 -0.690503 -0.715923 -0.668202 -0.69259 yield of O2 on food
Y_NX mol/mol 0.0584694 0.051255 0.0476209 0.049374 0.0460829 0.0477648 yield of N-waste on food
mu_TX J/mol 405714 354599 328825 341215 317843 329740 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