Parastromateus niger: Population traits

at T = 28.1 °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: 2025/05/23
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.294203 0.388044 0.694022 0.694022 1 1 scaled functional response
r 1/d 0 0 0.0167533 0.000446909 0.0244896 0.000654101 spec pop growth rate
t2 d NaN NaN 41.3738 1550.98 28.3037 1059.69 population doubling time
a_b d 7.19767 6.86989 6.25266 6.25266 5.9217 5.9217 age at birth
t_j d 47.0396 36.7946 23.0901 23.0901 17.9087 17.9087 time since birth at metam
t_p d 1968.03 828.673 385.49 385.49 276.722 276.722 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 0.999999 0.462418 1 0.32632 1 0.254614 survival probability at metam
S_p - 0.999993 0.0160675 0.999998 0.0159944 0.999999 0.0159679 survival probability at puberty
theta_0b - 0.00164575 0.423125 0.0993205 0.520186 0.134842 0.570578 frac of ind that is embryo
theta_bj - 0.00164934 0.295489 0.0895764 0.312624 0.116793 0.310262 frac of ind between b and j
theta_jp - 0.00912971 0.245342 0.199362 0.143468 0.19038 0.0988722 frac of ind between j and p
theta_pi - 0.987575 0.0360432 0.611741 0.0237215 0.557985 0.0202872 frac of ind that is adult
L_bi cm 4.04691 0.217496 0.832076 0.167412 0.747091 0.158991 mean structural length of post-natals
L2_bi cm^2 17.4505 0.556127 1.37173 0.386065 1.14295 0.376334 mean squared structural length of post-natals
L3_bi cm^3 76.9235 2.92784 3.20618 3.03177 2.5528 3.77615 mean cubed structural length of post-natals
Ww_bi g 91.8341 3.67638 4.67223 4.41807 4.23472 6.26408 mean wet weight of post-natals
L_pi cm 4.08948 2.01685 1.15849 1.51065 1.08117 1.39789 mean structural length of adults
L2_pi cm^2 17.6407 8.74101 2.00873 7.60423 1.75957 7.75116 mean squared structural length of adults
L3_pi cm^3 77.7631 46.8402 4.71852 61.2976 3.95581 79.9032 mean cubed structural length of adults
Ww_pi g 92.8363 58.8156 6.8761 89.3264 6.5621 132.548 mean wet weight of adults
R 1/d 0 0 0 0 0 1.80873 mean reproduction rate of adults
J_X g/d 0.772921 0.0322138 0.143462 0.0398777 0.172234 0.0560184 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 0.374412 0.033977 0.362978 0.0440923 yield of living structure on food
Y_VX_d mol/mol 0.029345 0.0731172 2.56481e-05 0.0981109 1.06281e-05 0.107926 yield of dead structure on food
Y_EX mol/mol 0 0 0.171203 0.0155363 0.239149 0.0290504 yield of living reserve on food
Y_EX_d mol/mol 0.00568812 0.0186934 1.17278e-05 0.044862 7.00233e-06 0.0711072 yield of dead reserve on food
Y_CX mol/mol 0.855592 0.798814 0.344972 0.698139 0.28848 0.638449 yield of CO2 on food
Y_HX mol/mol 0.615551 0.574703 0.248188 0.502272 0.207546 0.459329 yield of H2O on food
Y_OX mol/mol -0.930456 -0.868711 -0.375157 -0.759226 -0.313722 -0.694314 yield of O2 on food
Y_NX mol/mol 0.128339 0.119822 0.0517458 0.104721 0.043272 0.0957674 yield of N-waste on food
mu_TX J/mol 454699 425660 191113 373237 159470 341404 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