Couesius plumbeus: Population traits

at T = 16 °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: 2025/04/04
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.431543 0.60807 0.804035 0.804035 1 1 scaled functional response
r 1/d 0 0 0.00344972 0.000479715 0.0046105 0.000811608 spec pop growth rate
t2 d NaN NaN 200.928 1444.91 150.341 854.042 population doubling time
a_b d 31.0685 29.3192 27.9949 27.9949 27.0318 27.0318 age at birth
t_j d 24.2461 17.8334 14.1227 14.1227 11.9052 11.9052 time since birth at metam
t_p d 4362.18 2164.83 1496.86 1496.86 1180.04 1180.04 time since birth at puberty
S_b - 0.999931 0.999941 0.999948 0.999948 0.999952 0.999952 survival probability at birth
S_j - 0.999707 0.627036 0.999858 0.626691 0.999885 0.626487 survival probability at metam
S_p - 0.999618 0.518232 0.999731 0.471741 0.999761 0.436887 survival probability at puberty
theta_0b - 0.0128863 0.248087 0.0931368 0.30793 0.117851 0.347764 frac of ind that is embryo
theta_bj - 0.0100764 0.120793 0.0437422 0.123072 0.0474838 0.120631 frac of ind between b and j
theta_jp - 0.00283478 0.0554975 0.0409362 0.081712 0.0566867 0.0992819 frac of ind between j and p
theta_pi - 0.974203 0.575623 0.822185 0.487286 0.777978 0.432323 frac of ind that is adult
L_bi cm 0.832529 0.357856 0.446426 0.314419 0.420991 0.298939 mean structural length of post-natals
L2_bi cm^2 0.841017 0.256758 0.292406 0.202728 0.262429 0.184353 mean squared structural length of post-natals
L3_bi cm^3 0.941119 0.288621 0.253394 0.229622 0.220723 0.212366 mean cubed structural length of post-natals
Ww_bi g 1.17971 0.391721 0.373083 0.338082 0.35039 0.337122 mean wet weight of post-natals
L_pi cm 0.842026 0.431425 0.479815 0.396056 0.460646 0.38881 mean structural length of adults
L2_pi cm^2 0.851984 0.331131 0.320971 0.28181 0.295462 0.27045 mean squared structural length of adults
L3_pi cm^3 0.953571 0.376507 0.2793 0.325376 0.25001 0.319434 mean cubed structural length of adults
Ww_pi g 1.19531 0.511002 0.411224 0.479064 0.396881 0.507089 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.00516728 0.00222233 0.0033487 0.00232006 0.00373819 0.00262396 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 0.261039 0.0474786 0.272229 0.065686 yield of living structure on food
Y_VX_d mol/mol 0.156231 0.222723 0.0127652 0.203869 0.00717284 0.194966 yield of dead structure on food
Y_EX mol/mol 0 0 0.123299 0.022426 0.159924 0.038588 yield of living reserve on food
Y_EX_d mol/mol 0.0396067 0.0795604 0.00602952 0.0962953 0.00421376 0.114535 yield of dead reserve on food
Y_CX mol/mol 0.694788 0.588342 0.487492 0.520556 0.447086 0.47685 yield of CO2 on food
Y_HX mol/mol 0.499861 0.423279 0.350724 0.374511 0.321653 0.343067 yield of H2O on food
Y_OX mol/mol -0.755582 -0.639822 -0.530148 -0.566105 -0.486206 -0.518575 yield of O2 on food
Y_NX mol/mol 0.104218 0.0882513 0.0731238 0.0780834 0.0670629 0.0715275 yield of N-waste on food
mu_TX J/mol 372601 317380 264467 281529 242523 257956 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