Sarpa salpa: Population traits

at T = 18 °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: 2024/06/29
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.22447 0.22447 0.612235 0.612235 1 1 scaled functional response
r 1/d 0 0 0.0297773 0.00358954 0.0518727 0.00597717 spec pop growth rate
t2 d NaN NaN 23.2777 193.102 13.3625 115.966 population doubling time
a_b d 5.80881 5.80881 4.96553 4.96553 4.57777 4.57777 age at birth
t_j d 495.274 495.274 144.715 144.715 87.4195 87.4195 time since birth at metam
t_p d 2130 2130 336.842 336.842 195.9 195.9 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.911144 1 0.756093 1 0.651264 survival probability at metam
S_p - 0.999884 0.000358301 0.999992 0.000289231 0.999997 0.000277592 survival probability at puberty
theta_0b - 0.00102279 0.0842922 0.137077 0.230176 0.211004 0.315656 frac of ind that is embryo
theta_bj - 0.00102987 0.0810457 0.118607 0.197995 0.166772 0.250626 frac of ind between b and j
theta_jp - 0.0867748 0.830725 0.732714 0.57149 0.613758 0.433445 frac of ind between j and p
theta_pi - 0.911173 0.00393758 0.0116012 0.000339843 0.00846616 0.000273008 frac of ind that is adult
L_bi cm 2.20563 0.101941 0.15404 0.091267 0.146831 0.0912698 mean structural length of post-natals
L2_bi cm^2 5.28683 0.0331305 0.0637412 0.0124957 0.0560185 0.0124692 mean squared structural length of post-natals
L3_bi cm^3 12.8777 0.0554457 0.0736186 0.0110273 0.0632809 0.0124735 mean cubed structural length of post-natals
Ww_bi g 13.2999 0.0572637 0.0802024 0.0120135 0.0725244 0.0142955 mean wet weight of post-natals
L_pi cm 2.38857 2.23563 1.48353 2.05298 1.50118 2.07647 mean structural length of adults
L2_pi cm^2 5.78244 5.21446 2.44913 5.74034 2.52436 6.22993 mean squared structural length of adults
L3_pi cm^3 14.1105 12.4539 4.56101 21.2909 4.84585 27.1604 mean cubed structural length of adults
Ww_pi g 14.5732 12.8623 4.96891 23.1949 5.55369 31.1277 mean wet weight of adults
R 1/d 7.95648 0 26.9165 195.195 102.053 396.116 mean reproduction rate of adults
J_X g/d 0.219787 0.00102298 0.00560636 0.000519782 0.00785197 0.000847926 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 0.391013 0.0761531 0.418054 0.0879278 yield of living structure on food
Y_VX_d mol/mol 0.0125735 0.0539453 1.69337e-06 0.274159 5.3848e-07 0.303161 yield of dead structure on food
Y_EX mol/mol 0 0 0.0349685 0.0068104 0.061066 0.0128438 yield of living reserve on food
Y_EX_d mol/mol 0.00041227 0.0017688 1.51439e-07 0.0245181 7.86569e-08 0.0442834 yield of dead reserve on food
Y_CX mol/mol 0.877639 0.834911 0.464641 0.508985 0.411504 0.442409 yield of CO2 on food
Y_HX mol/mol 0.631413 0.600672 0.334284 0.366186 0.296055 0.318288 yield of H2O on food
Y_OX mol/mol -0.954433 -0.907966 -0.505297 -0.553521 -0.447511 -0.481119 yield of O2 on food
Y_NX mol/mol 0.131646 0.125237 0.0696962 0.0763477 0.0617257 0.0663613 yield of N-waste on food
mu_TX J/mol 465986 444554 257760 280114 229886 245536 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