Anchovia surinamensis: Population traits

at T = 24.5 °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: 2025/04/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.32381 0.799137 0.899569 0.899569 1 1 scaled functional response
r 1/d 0 0 0.0125872 9.88504e-05 0.0140962 0.000183519 spec pop growth rate
t2 d NaN NaN 55.0678 7012.08 49.1727 3776.98 population doubling time
a_b d 4.65777 4.00957 3.93473 3.93473 3.87018 3.87018 age at birth
t_j d 3.54808 1.64298 1.50106 1.50106 1.38794 1.38794 time since birth at metam
t_p d 1737.57 307.776 272.91 272.91 246.68 246.68 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 0.999998 0.670833 0.999999 0.670491 0.999999 0.670222 survival probability at metam
S_p - 0.999998 0.472754 0.999999 0.45382 0.999999 0.437329 survival probability at puberty
theta_0b - 0.00224561 0.268867 0.0482372 0.288565 0.0530016 0.305498 frac of ind that is embryo
theta_bj - 0.00171474 0.091039 0.0178191 0.0909148 0.0183518 0.0904404 frac of ind between b and j
theta_jp - 0.000536295 0.0895557 0.0281842 0.0986052 0.0319388 0.106198 frac of ind between j and p
theta_pi - 0.995503 0.550538 0.90576 0.521915 0.896708 0.497863 frac of ind that is adult
L_bi cm 0.827626 0.390509 0.441028 0.375762 0.435212 0.364231 mean structural length of post-natals
L2_bi cm^2 0.74101 0.530507 0.306935 0.534866 0.30214 0.539506 mean squared structural length of post-natals
L3_bi cm^3 0.685731 1.04859 0.283375 1.15857 0.281341 1.26674 mean cubed structural length of post-natals
Ww_bi g 0.785306 1.42437 0.397691 1.62594 0.407506 1.8348 mean wet weight of post-natals
L_pi cm 0.82936 0.497578 0.460072 0.488706 0.455875 0.482303 mean structural length of adults
L2_pi cm^2 0.742677 0.703172 0.322301 0.727553 0.318833 0.75089 mean squared structural length of adults
L3_pi cm^3 0.687281 1.39247 0.297753 1.57917 0.297102 1.76694 mean cubed structural length of adults
Ww_pi g 0.787082 1.89149 0.417868 2.21622 0.430336 2.55931 mean wet weight of adults
R 1/d 0 0.133685 0 0.17523 0 0.215327 mean reproduction rate of adults
J_X g/d 0.00931338 0.0164941 0.0107445 0.0187227 0.0117591 0.0209963 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 0.331973 0.00611691 0.337257 0.011072 yield of living structure on food
Y_VX_d mol/mol 0.0508563 0.108012 0.000401193 0.109153 0.000311408 0.110177 yield of dead structure on food
Y_EX mol/mol 0 0 0.13392 0.0024676 0.151241 0.00496517 yield of living reserve on food
Y_EX_d mol/mol 0.00738488 0.0387082 0.000161844 0.0440331 0.000139649 0.0494083 yield of dead reserve on food
Y_CX mol/mol 0.832384 0.743904 0.424169 0.728854 0.401676 0.715002 yield of CO2 on food
Y_HX mol/mol 0.598854 0.535198 0.305166 0.52437 0.288984 0.514405 yield of H2O on food
Y_OX mol/mol -0.905217 -0.808996 -0.461284 -0.792629 -0.436823 -0.777565 yield of O2 on food
Y_NX mol/mol 0.124858 0.111586 0.0636253 0.109328 0.0602514 0.10725 yield of N-waste on food
mu_TX J/mol 443010 397204 232568 389290 220457 381970 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