Sprattus fuegensis: Population traits

at T = 7.8 °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: 2024/06/02
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.352033 0.372114 0.686057 0.686057 1 1 scaled functional response
r 1/d 0 0 0.00610126 0.00111104 0.00827864 0.00137125 spec pop growth rate
t2 d NaN NaN 113.607 623.872 83.7271 505.487 population doubling time
a_b d 28.2775 28.1113 26.6229 26.6229 25.9832 25.9832 age at birth
t_j d 22.9691 22.3163 17.2684 17.2684 15.4719 15.4719 time since birth at metam
t_p d 5842.6 3752.11 968.866 968.866 720.385 720.385 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 0.999999 0.252349 0.999999 0.244503 0.999999 0.241904 survival probability at metam
S_p - 0.999999 0.201822 0.999999 0.155979 0.999999 0.139066 survival probability at puberty
theta_0b - 0.00576646 0.394802 0.149894 0.595471 0.193499 0.627905 frac of ind that is embryo
theta_bj - 0.0046861 0.170254 0.0850146 0.202686 0.0969619 0.194654 frac of ind between b and j
theta_jp - 0.00108301 0.0183696 0.0424474 0.0392914 0.0591351 0.0444954 frac of ind between j and p
theta_pi - 0.988464 0.416574 0.722644 0.162552 0.650404 0.132946 frac of ind that is adult
L_bi cm 0.512835 0.305223 0.292258 0.154523 0.273282 0.144208 mean structural length of post-natals
L2_bi cm^2 0.270693 0.147258 0.124501 0.0630286 0.115087 0.0604101 mean squared structural length of post-natals
L3_bi cm^3 0.144534 0.0796768 0.0661128 0.0438179 0.0636927 0.0502312 mean cubed structural length of post-natals
Ww_bi g 0.368175 0.209995 0.265475 0.17595 0.343646 0.271016 mean wet weight of post-natals
L_pi cm 0.515474 0.417787 0.332183 0.296271 0.322499 0.294689 mean structural length of adults
L2_pi cm^2 0.272251 0.212445 0.145663 0.151405 0.141537 0.162164 mean squared structural length of adults
L3_pi cm^3 0.145376 0.115665 0.0777172 0.108695 0.0788915 0.140128 mean cubed structural length of adults
Ww_pi g 0.370321 0.304846 0.312072 0.436463 0.42565 0.756045 mean wet weight of adults
R 1/d 0 0 0 0 0 0.0701465 mean reproduction rate of adults
J_X g/d 0.00490404 0.00282052 0.00444633 0.00224007 0.00601137 0.00313889 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 0.09072 0.021733 0.0877153 0.0219438 yield of living structure on food
Y_VX_d mol/mol 0.00686548 0.0180587 2.65052e-05 0.0435172 1.11259e-05 0.0434712 yield of dead structure on food
Y_EX mol/mol 0 0 0.273565 0.0655355 0.385542 0.0964515 yield of living reserve on food
Y_EX_d mol/mol 0.0106231 0.0295365 7.99259e-05 0.131225 4.89026e-05 0.191072 yield of dead reserve on food
Y_CX mol/mol 0.873136 0.84303 0.526234 0.628614 0.417307 0.537686 yield of CO2 on food
Y_HX mol/mol 0.628173 0.606513 0.378596 0.452253 0.300229 0.386835 yield of H2O on food
Y_OX mol/mol -0.949536 -0.916795 -0.572279 -0.683617 -0.453822 -0.584734 yield of O2 on food
Y_NX mol/mol 0.13097 0.126454 0.0789351 0.0942921 0.0625961 0.0806529 yield of N-waste on food
mu_TX J/mol 463225 447226 276622 331656 216562 281654 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