Clarias agboyiensis: Population traits

at T = 29.5 °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: 2025/06/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.241804 0.241804 0.620902 0.620902 1 1 scaled functional response
r 1/d 0 0 0.0374387 0.00542331 0.0480791 0.00615537 spec pop growth rate
t2 d NaN NaN 18.5142 127.809 14.4168 112.608 population doubling time
a_b d 3.53439 3.53439 3.187 3.187 3.07699 3.07699 age at birth
t_j d 0.00747048 0.00747048 0.00474247 0.00474247 0.00409104 0.00409104 time since birth at metam
t_p d 585.37 585.37 127.116 127.116 98.5774 98.5774 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.996974 1 0.996877 1 0.996856 survival probability at metam
S_p - 1 0.462754 1 0.348074 1 0.313645 survival probability at puberty
theta_0b - 0.000613547 0.0819346 0.112396 0.416622 0.137434 0.453401 frac of ind that is embryo
theta_bj - 1.298e-06 0.000173076 0.000157582 0.000614152 0.000169644 0.000596627 frac of ind between b and j
theta_jp - 0.000612803 0.0554491 0.0996746 0.240964 0.118447 0.24872 frac of ind between j and p
theta_pi - 0.998772 0.862443 0.787771 0.3418 0.743949 0.297283 frac of ind that is adult
L_bi cm 0.818472 0.698009 0.372766 0.241519 0.364871 0.23472 mean structural length of post-natals
L2_bi cm^2 0.67446 0.556802 0.210267 0.158221 0.209642 0.16794 mean squared structural length of post-natals
L3_bi cm^3 0.55725 0.455727 0.155403 0.189772 0.164546 0.256866 mean cubed structural length of post-natals
Ww_bi g 1.02525 0.838463 0.490532 0.599017 0.736047 1.14901 mean wet weight of post-natals
L_pi cm 0.818929 0.738209 0.409439 0.355687 0.409318 0.362829 mean structural length of adults
L2_pi cm^2 0.674871 0.592349 0.236013 0.265421 0.241854 0.302989 mean squared structural length of adults
L3_pi cm^3 0.557593 0.485091 0.175018 0.323511 0.190672 0.471784 mean cubed structural length of adults
Ww_pi g 1.02588 0.892487 0.552448 1.02117 0.852912 2.11039 mean wet weight of adults
R 1/d 0.294662 0 0 0 0 0.265651 mean reproduction rate of adults
J_X g/d 0.0485833 0.0401081 0.0388934 0.0292663 0.0624543 0.0500308 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 0.149591 0.0351664 0.126672 0.0316026 yield of living structure on food
Y_VX_d mol/mol 0.00205155 0.00571606 1.15125e-07 0.0667002 5.12786e-08 0.0606407 yield of dead structure on food
Y_EX mol/mol 0 0 0.322595 0.0758369 0.439957 0.109762 yield of living reserve on food
Y_EX_d mol/mol 0.00172296 0.00480054 2.48269e-07 0.14384 1.78101e-07 0.210617 yield of dead reserve on food
Y_CX mol/mol 0.88685 0.880108 0.418439 0.569081 0.323996 0.478002 yield of CO2 on food
Y_HX mol/mol 0.63804 0.633189 0.301044 0.409422 0.233097 0.343896 yield of H2O on food
Y_OX mol/mol -0.96445 -0.957118 -0.455053 -0.618876 -0.352345 -0.519828 yield of O2 on food
Y_NX mol/mol 0.133028 0.132016 0.0627659 0.0853622 0.0485993 0.0717003 yield of N-waste on food
mu_TX J/mol 470527 467002 220277 300744 167187 250170 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