Pterygoplichthys disjunctivus: Population traits

at T = 25 °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: 2025/05/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.361265 0.421351 0.710676 0.710676 1 1 scaled functional response
r 1/d 0 0 0.0060814 0.000928999 0.008007 0.00123657 spec pop growth rate
t2 d NaN NaN 113.978 746.123 86.5677 560.539 population doubling time
a_b d 12.9866 12.7105 11.9112 11.9112 11.5021 11.5021 age at birth
t_j d 8.19756 7.43127 5.56961 5.56961 4.79114 4.79114 time since birth at metam
t_p d 4674.88 2602.3 1295.15 1295.15 1003.14 1003.14 time since birth at puberty
S_b - 0.999998 0.999998 0.999998 0.999998 0.999998 0.999998 survival probability at birth
S_j - 0.999993 0.428894 0.999996 0.42767 0.999996 0.427187 survival probability at metam
S_p - 0.999989 0.297845 0.999992 0.244829 0.999993 0.219094 survival probability at puberty
theta_0b - 0.00430215 0.422249 0.0698415 0.502445 0.0879098 0.535435 frac of ind that is embryo
theta_bj - 0.00272051 0.166838 0.0310096 0.157331 0.0343462 0.148989 frac of ind between b and j
theta_jp - 0.00158933 0.0627829 0.0340523 0.0855289 0.0459461 0.094111 frac of ind between j and p
theta_pi - 0.991388 0.34813 0.865097 0.254696 0.831798 0.221465 frac of ind that is adult
L_bi cm 3.26939 0.544231 1.04786 0.376241 0.971206 0.36009 mean structural length of post-natals
L2_bi cm^2 12.237 1.2112 1.84092 0.57568 1.61947 0.533945 mean squared structural length of post-natals
L3_bi cm^3 48.4703 4.53179 4.41854 2.14228 3.79332 2.14013 mean cubed structural length of post-natals
Ww_bi g 82.4086 8.23266 10.5046 5.09307 11.1454 6.28804 mean wet weight of post-natals
L_pi cm 3.28307 0.826077 1.11688 0.618875 1.05196 0.618548 mean structural length of adults
L2_pi cm^2 12.2901 2.00091 1.97806 1.11007 1.77399 1.10242 mean squared structural length of adults
L3_pi cm^3 48.681 7.51978 4.75067 4.18314 4.15922 4.48697 mean cubed structural length of adults
Ww_pi g 82.7668 13.6608 11.2942 9.945 12.2205 13.1834 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.420946 0.0485957 0.124741 0.038975 0.154468 0.0508812 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 0.215413 0.0510629 0.19663 0.0520118 yield of living structure on food
Y_VX_d mol/mol 0.0667648 0.122061 0.000983661 0.126305 0.000468339 0.116584 yield of dead structure on food
Y_EX mol/mol 0 0 0.296709 0.0703341 0.3811 0.100807 yield of living reserve on food
Y_EX_d mol/mol 0.0467479 0.0996808 0.0013549 0.173973 0.000907715 0.225958 yield of dead reserve on food
Y_CX mol/mol 0.777112 0.668883 0.376164 0.46895 0.311519 0.395264 yield of CO2 on food
Y_HX mol/mol 0.559089 0.481224 0.270629 0.337383 0.224121 0.28437 yield of H2O on food
Y_OX mol/mol -0.84511 -0.72741 -0.409079 -0.509983 -0.338777 -0.429849 yield of O2 on food
Y_NX mol/mol 0.116567 0.100332 0.0564247 0.0703425 0.0467279 0.0592896 yield of N-waste on food
mu_TX J/mol 413406 356645 200366 249447 163847 208481 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