Engraulis capensis: Population traits

at T = 13.7 °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: 2023/12/05
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.262403 0.262882 0.631441 0.631441 1 1 scaled functional response
r 1/d 0 0 0.0254035 0.00749442 0.0328937 0.00885062 spec pop growth rate
t2 d NaN NaN 27.2855 92.4885 21.0723 78.3162 population doubling time
a_b d 5.76836 5.7673 5.38382 5.38382 5.26453 5.26453 age at birth
t_j d 1.2024 1.20142 0.891145 0.891145 0.811007 0.811007 time since birth at metam
t_p d 2353.98 2311.96 314.641 314.641 240.667 240.667 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.679799 1 0.673026 1 0.671407 survival probability at metam
S_p - 1 0.310657 1 0.244758 1 0.225947 survival probability at puberty
theta_0b - 0.0028536 0.272281 0.127765 0.529425 0.158936 0.556266 frac of ind that is embryo
theta_bj - 0.00059526 0.047091 0.0195242 0.0707339 0.0221406 0.0688557 frac of ind between b and j
theta_jp - 0.00226042 0.0988755 0.0919727 0.171915 0.111594 0.17479 frac of ind between j and p
theta_pi - 0.994291 0.581752 0.760738 0.227926 0.70733 0.200089 frac of ind that is adult
L_bi cm 0.407234 0.25316 0.190125 0.091601 0.177764 0.0884582 mean structural length of post-natals
L2_bi cm^2 0.169885 0.0944513 0.0550559 0.0198692 0.0501 0.019155 mean squared structural length of post-natals
L3_bi cm^3 0.0715443 0.0385306 0.0208046 0.00843135 0.0192835 0.00903263 mean cubed structural length of post-natals
Ww_bi g 0.27626 0.148983 0.164056 0.0664861 0.229561 0.107529 mean wet weight of post-natals
L_pi cm 0.408294 0.307511 0.21194 0.148045 0.203374 0.148339 mean structural length of adults
L2_pi cm^2 0.170369 0.117807 0.0628672 0.0393808 0.0592214 0.0405253 mean squared structural length of adults
L3_pi cm^3 0.0717496 0.0481851 0.0238425 0.0173395 0.0229135 0.0199485 mean cubed structural length of adults
Ww_pi g 0.277053 0.186313 0.188012 0.136732 0.272775 0.237479 mean wet weight of adults
R 1/d 0.792718 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0124717 0.00694634 0.00975844 0.0035202 0.0140743 0.0053786 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 0.0541593 0.0179501 0.0450682 0.0148634 yield of living structure on food
Y_VX_d mol/mol 0.00316059 0.00836315 3.18074e-06 0.0337177 1.32342e-06 0.0280851 yield of dead structure on food
Y_EX mol/mol 0 0 0.372919 0.123597 0.491449 0.162079 yield of living reserve on food
Y_EX_d mol/mol 0.0090437 0.0239739 2.19012e-05 0.232166 1.44313e-05 0.306255 yield of dead reserve on food
Y_CX mol/mol 0.878421 0.858288 0.463522 0.483194 0.354092 0.379342 yield of CO2 on food
Y_HX mol/mol 0.631975 0.617491 0.333478 0.347632 0.25475 0.272916 yield of H2O on food
Y_OX mol/mol -0.955283 -0.933388 -0.50408 -0.525474 -0.385075 -0.412535 yield of O2 on food
Y_NX mol/mol 0.131763 0.128743 0.0695283 0.0724792 0.0531138 0.0569013 yield of N-waste on food
mu_TX J/mol 465946 455133 240301 250997 179660 193442 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