Arapaima gigas: Population traits

at T = 28 °C with background hazards for embryo, juv, adult: 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 std f_minf f_max date: 2023/03/18
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.533002 0.563573 0.781787 0.781787 1 1 scaled functional response
r 1/d 0 0 0.00442511 0.000372012 0.00543815 0.000468609 spec pop growth rate
t2 d NaN NaN 156.639 1863.24 127.46 1479.16 population doubling time
a_b d 8.43045 8.39708 8.22749 8.22749 8.12615 8.12615 age at birth
t_p d 8764.45 2842.87 1480.39 1480.39 1210.7 1210.7 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.320969 1 0.302582 1 0.291763 survival probability at puberty
theta_0b - 0.000974596 0.402637 0.0356936 0.445499 0.0431594 0.459183 frac of ind that is embryo
theta_bp - 0.000976394 0.228334 0.0344777 0.244648 0.0413641 0.247467 fraction of individuals that is juvenile
theta_pi - 0.998049 0.369029 0.929829 0.309853 0.915477 0.29335 frac of ind that is adult
L_bi cm 12.4202 2.07417 3.42186 1.06784 3.11518 0.973655 mean structural length of post-natals
L2_bi cm^2 161.829 20.6113 19.3281 7.30684 16.5884 6.39742 mean squared structural length of post-natals
L3_bi cm^3 2145.78 269.603 143.581 100.767 120 97.9207 mean cubed structural length of post-natals
Ww_bi g 7963.74 1042.52 714.587 501.507 730.433 596.036 mean wet weight of post-natals
L_pi cm 12.4321 3.21803 3.53977 1.73054 3.24487 1.60065 mean structural length of adults
L2_pi cm^2 161.987 33.3321 20.0426 13.0336 17.3352 11.748 mean squared structural length of adults
L3_pi cm^3 2147.88 436.41 148.904 180.319 125.422 180.515 mean cubed structural length of adults
Ww_pi g 7971.53 1687.53 741.081 897.428 763.432 1098.78 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 38.4243 5.17461 6.73131 2.54471 7.38969 2.84988 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 0.0943892 0.0147312 0.0883095 0.0161012 yield of living structure on food
Y_VX_d mol/mol 0.00789207 0.0198652 1.65636e-05 0.0330434 8.8847e-06 0.0342273 yield of dead structure on food
Y_EX mol/mol 0 0 0.375376 0.0585844 0.449224 0.0819059 yield of living reserve on food
Y_EX_d mol/mol 0.0213981 0.0569507 6.58718e-05 0.13141 4.51958e-05 0.174112 yield of dead reserve on food
Y_CX mol/mol 0.861335 0.813809 0.420778 0.652856 0.353038 0.584279 yield of CO2 on food
Y_HX mol/mol 0.619683 0.58549 0.302726 0.469694 0.253991 0.420356 yield of H2O on food
Y_OX mol/mol -0.936702 -0.885017 -0.457596 -0.709981 -0.383928 -0.635403 yield of O2 on food
Y_NX mol/mol 0.1292 0.122071 0.0631167 0.0979284 0.0529556 0.0876418 yield of N-waste on food
mu_TX J/mol 456785 431245 218804 344116 181243 306526 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