Astropecten aranciacus: Population traits

at T = 14 °C with background hazards for embryo, larva, juv, adult: 0, 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 abj f_minf f_max date: 2025/05/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.379041 NaN 0.689521 NaN 1 1 scaled functional response
r 1/d 0 0 0.0163836 NaN 0.0293648 NaN spec pop growth rate
t2 d NaN NaN 42.3073 NaN 23.6047 NaN population doubling time
a_b d 6.60772 NaN 5.9788 NaN 5.61606 NaN age at birth
t_j d 175.159 NaN 97.5519 NaN 69.6925 NaN time since birth at metam
t_p d 3660.56 NaN 863.137 NaN 549.567 NaN time since birth at puberty
S_b - 0.999999 NaN 0.999999 NaN 0.999999 NaN survival probability at birth
S_j - 0.999994 NaN 0.999995 NaN 0.999996 NaN survival probability at metam
S_p - 0.999508 NaN 0.999852 NaN 0.999925 NaN survival probability at puberty
theta_0b - 0.00284087 NaN 0.093092 NaN 0.151744 NaN frac of ind that is embryo
theta_bj - 0.00285157 NaN 0.0846332 NaN 0.128968 NaN frac of ind between b and j
theta_jp - 0.0727219 NaN 0.638904 NaN 0.609718 NaN frac of ind between j and p
theta_pi - 0.921586 NaN 0.183371 NaN 0.10957 NaN frac of ind that is adult
L_bi cm 1.79226 NaN 0.168865 NaN 0.114126 NaN mean structural length of post-natals
L2_bi cm^2 3.80063 NaN 0.107357 NaN 0.054895 NaN mean squared structural length of post-natals
L3_bi cm^3 8.45621 NaN 0.109535 NaN 0.0475659 NaN mean cubed structural length of post-natals
Ww_bi g 10.7722 NaN 0.164109 NaN 0.0819358 NaN mean wet weight of post-natals
L_pi cm 1.9329 NaN 0.620547 NaN 0.551667 NaN mean structural length of adults
L2_pi cm^2 4.11151 NaN 0.509701 NaN 0.394517 NaN mean squared structural length of adults
L3_pi cm^3 9.14953 NaN 0.538731 NaN 0.364086 NaN mean cubed structural length of adults
Ww_pi g 11.6555 NaN 0.807143 NaN 0.627165 NaN mean wet weight of adults
R 1/d 0 NaN 0 NaN 0 NaN mean reproduction rate of adults
J_X g/d 0.344666 NaN 0.0176119 NaN 0.0129186 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 0.101896 NaN 0.10812 NaN yield of living structure on food
Y_VX_d mol/mol 0.0184231 NaN 7.12253e-05 NaN 2.08064e-05 NaN yield of dead structure on food
Y_EX mol/mol 0 NaN 0.0507676 NaN 0.0781248 NaN yield of living reserve on food
Y_EX_d mol/mol 0.00504584 NaN 3.54866e-05 NaN 1.50341e-05 NaN yield of dead reserve on food
Y_CX mol/mol 0.867156 NaN 0.737855 NaN 0.704344 NaN yield of CO2 on food
Y_HX mol/mol 0.62917 NaN 0.535355 NaN 0.511041 NaN yield of H2O on food
Y_OX mol/mol -0.943032 NaN -0.802417 NaN -0.765974 NaN yield of O2 on food
Y_NX mol/mol 0.130073 NaN 0.110678 NaN 0.105652 NaN yield of N-waste on food
mu_TX J/mol 460513 NaN 393575 NaN 375453 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