Ophiura albida: Population traits

at T = 10 °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: 2025/02/18
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.182173 0.206039 0.603019 0.603019 1 1 scaled functional response
r 1/d 0 0 0.00716303 0.00102533 0.0127492 0.00179114 spec pop growth rate
t2 d NaN NaN 96.7673 676.022 54.3679 386.987 population doubling time
a_b d 2.70207 2.65917 2.29265 2.29265 2.12539 2.12539 age at birth
t_j d 99.2958 87.2066 29.1179 29.1179 17.6689 17.6689 time since birth at metam
t_p d 6946.37 4410.43 852.096 852.096 486.267 486.267 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.950379 1 0.87564 1 0.816029 survival probability at metam
S_p - 0.999941 0.188417 0.999995 0.18514 0.999998 0.184494 survival probability at puberty
theta_0b - 0.000366153 0.0317618 0.0160475 0.0921095 0.0263752 0.135872 frac of ind that is embryo
theta_bj - 0.000375885 0.0317306 0.0160287 0.0873867 0.026029 0.124224 frac of ind between b and j
theta_jp - 0.0134368 0.487237 0.169229 0.479658 0.170353 0.421123 frac of ind between j and p
theta_pi - 0.985821 0.449271 0.798695 0.340846 0.777242 0.318781 frac of ind that is adult
L_bi cm 0.128448 0.0334235 0.0412715 0.0216721 0.0395268 0.0210865 mean structural length of post-natals
L2_bi cm^2 0.0184905 0.0031995 0.00279091 0.0015258 0.00259607 0.00146716 mean squared structural length of post-natals
L3_bi cm^3 0.00279329 0.000462949 0.000265312 0.000277762 0.000244923 0.00029263 mean cubed structural length of post-natals
Ww_bi g 0.00281608 0.000467221 0.000272479 0.000285265 0.000255894 0.000305738 mean wet weight of post-natals
L_pi cm 0.130102 0.0608272 0.0484342 0.0415815 0.0468887 0.0405531 mean structural length of adults
L2_pi cm^2 0.018748 0.00678398 0.00341255 0.0039036 0.003224 0.00381184 mean squared structural length of adults
L3_pi cm^3 0.00283241 0.00099658 0.00032657 0.000738218 0.0003065 0.000791553 mean cubed structural length of adults
Ww_pi g 0.00285552 0.00100578 0.000335391 0.000758159 0.00032023 0.000827011 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 7.64128e-06 1.49114e-06 3.83907e-06 2.08077e-06 5.92746e-06 3.32001e-06 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 0.495025 0.136872 0.526797 0.157873 yield of living structure on food
Y_VX_d mol/mol 0.0824663 0.164205 0.000211087 0.278066 6.5794e-05 0.314383 yield of dead structure on food
Y_EX mol/mol 0 0 0.0133717 0.00369721 0.0235978 0.0070719 yield of living reserve on food
Y_EX_d mol/mol 0.000672957 0.00151553 5.7019e-06 0.00751117 2.94723e-06 0.0140827 yield of dead reserve on food
Y_CX mol/mol 0.807486 0.724904 0.382011 0.464478 0.340161 0.397215 yield of CO2 on food
Y_HX mol/mol 0.585876 0.525958 0.27717 0.337005 0.246806 0.288201 yield of H2O on food
Y_OX mol/mol -0.878141 -0.788333 -0.415437 -0.50512 -0.369926 -0.431971 yield of O2 on food
Y_NX mol/mol 0.121123 0.108736 0.0573017 0.0696717 0.0510242 0.0595822 yield of N-waste on food
mu_TX J/mol 430897 389564 217524 258866 196088 224737 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