Pseudoplatystoma tigrinum: Population traits

at T = 26 °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_min f_max date: 2024/11/06
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.635267 0.635267 0.635267 0.635267 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00652904 0.00652904 0.00162218 0.00162218 spec pop growth rate
t2 d NaN NaN NaN NaN 106.164 106.164 427.294 427.294 population doubling time
a_b d 9.40171 9.44307 9.40171 9.44307 8.99068 9.02181 8.99068 9.02181 age at birth
t_j d 9.10542 9.28162 9.10542 9.28162 7.51234 7.62352 7.51234 7.62352 time since birth at metam
t_p d 5475.87 NaN 5475.87 NaN 1854.39 1932.25 1854.39 1932.25 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_j - 1 1 0.170342 0.170384 1 1 0.169981 0.170006 survival probability at metam
S_p - 1 1 0.163986 0.16694 1 1 0.136436 0.138408 survival probability at puberty
theta_0b - 0.00115785 0.0011802 0.565031 0.560904 0.0569275 0.0571207 0.62053 0.617899 frac of ind that is embryo
theta_bj - 0.00112329 0.00116198 0.256951 0.258886 0.0451412 0.0457834 0.240426 0.242094 frac of ind between b and j
theta_jp - 3.65516e-05 2.02119e-05 0.0029812 0.00162008 0.00862547 0.008153 0.0152453 0.0144107 frac of ind between j and p
theta_pi - 0.997682 0.997638 0.175037 0.178589 0.889306 0.888943 0.123799 0.125596 frac of ind that is adult
L_bi cm 8.52688 8.20459 0.600335 0.599199 1.51578 1.49113 0.2433 0.242845 mean structural length of post-natals
L2_bi cm^2 77.6012 71.8184 3.37086 3.25308 4.06417 3.9235 0.337657 0.332743 mean squared structural length of post-natals
L3_bi cm^3 723.395 643.846 28.7139 26.6644 15.0446 14.2293 1.55515 1.49929 mean cubed structural length of post-natals
Ww_bi g 3106.06 2682.56 123.29 111.096 93.0478 85.1547 9.61825 8.97243 mean wet weight of post-natals
L_pi cm 8.53667 8.21419 1.35389 1.33808 1.60096 1.57514 0.548964 0.544595 mean structural length of adults
L2_pi cm^2 77.6914 71.9035 8.36344 7.98545 4.30917 4.16084 1.01551 0.993136 mean squared structural length of adults
L3_pi cm^3 724.236 644.609 71.3531 65.5583 15.9541 15.0926 4.76483 4.55932 mean cubed structural length of adults
Ww_pi g 3109.67 2685.74 306.371 273.146 98.6729 90.321 29.4695 27.2851 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 16.6262 14.7915 0.721918 0.669712 1.37163 1.27293 0.113459 0.107476 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.0716131 0.0729843 0.0222346 0.0226294 yield of living structure on food
Y_VX_d mol/mol 0.00704745 0.00714345 0.0168421 0.0171019 8.39376e-06 8.89819e-06 0.0444545 0.0452466 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.371299 0.363787 0.115282 0.112795 yield of living reserve on food
Y_EX_d mol/mol 0.0232124 0.0226195 0.0554733 0.0541526 4.35199e-05 4.43527e-05 0.230488 0.22553 yield of dead reserve on food
Y_CX mol/mol 0.860365 0.860862 0.81831 0.81937 0.447661 0.4538 0.478166 0.484424 yield of CO2 on food
Y_HX mol/mol 0.618985 0.619342 0.588728 0.589492 0.322067 0.326484 0.344014 0.348516 yield of H2O on food
Y_OX mol/mol -0.935647 -0.936188 -0.889912 -0.891065 -0.486831 -0.493508 -0.520006 -0.526811 yield of O2 on food
Y_NX mol/mol 0.129055 0.129129 0.122746 0.122906 0.0671491 0.0680701 0.071725 0.0726636 yield of N-waste on food
mu_TX J/mol 456209 456488 433569 434165 232451 235896 248982 252483 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female differ.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer