Champsocephalus gunnari: Population traits

at T = 1.5 °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 - 0.189573 0.199769 0.599884 0.599884 1 1 scaled functional response
r 1/d 0 0 0.00473313 0.000896903 0.00636231 0.00101219 spec pop growth rate
t2 d NaN NaN 146.446 772.823 108.946 684.801 population doubling time
a_b d 115.304 114.585 103.814 103.814 101.096 101.096 age at birth
t_j d 186.75 179.926 106.442 106.442 93.8304 93.8304 time since birth at metam
t_p d 7050.61 5223.47 1160.18 1160.18 942.595 942.595 time since birth at puberty
S_b - 0.999993 0.999993 0.999995 0.999995 0.999995 0.999995 survival probability at birth
S_j - 0.999963 0.246699 0.999978 0.10437 0.999982 0.0966807 survival probability at metam
S_p - 0.999936 0.111058 0.999978 0.0985668 0.999981 0.0860122 survival probability at puberty
theta_0b - 0.0175543 0.453162 0.388174 0.682042 0.474358 0.708119 frac of ind that is embryo
theta_bj - 0.0175628 0.244024 0.237536 0.250359 0.2363 0.234211 frac of ind between b and j
theta_jp - 0.0108822 0.0439391 0.00462793 0.00152144 0.013071 0.00399442 frac of ind between j and p
theta_pi - 0.954001 0.258875 0.369662 0.0660785 0.276272 0.0536755 frac of ind that is adult
L_bi cm 1.00981 0.529876 0.527591 0.3097 0.482156 0.305401 mean structural length of post-natals
L2_bi cm^2 1.06912 0.462678 0.428419 0.220945 0.365365 0.227592 mean squared structural length of post-natals
L3_bi cm^3 1.1543 0.487424 0.471037 0.341841 0.391222 0.422604 mean cubed structural length of post-natals
Ww_bi g 3.06109 1.33591 2.93328 2.12873 3.80025 4.10509 mean wet weight of post-natals
L_pi cm 1.03368 0.913782 0.734704 0.771464 0.720854 0.809299 mean structural length of adults
L2_pi cm^2 1.09963 0.937819 0.67831 0.921586 0.64981 1.06582 mean squared structural length of adults
L3_pi cm^3 1.18841 1.02168 0.77245 1.61563 0.733291 2.26141 mean cubed structural length of adults
Ww_pi g 3.15154 2.80016 4.81025 10.061 7.12304 21.9668 mean wet weight of adults
R 1/d 0.00175923 0 0 0.163291 0.00810311 0.227635 mean reproduction rate of adults
J_X g/d 0.0217978 0.00985115 0.0285569 0.0142175 0.0406925 0.0245695 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 0.0780715 0.0215648 0.0611679 0.01741 yield of living structure on food
Y_VX_d mol/mol 0.0101634 0.0259858 3.06447e-05 0.0451918 1.11459e-05 0.0360839 yield of dead structure on food
Y_EX mol/mol 0 0 0.408101 0.112725 0.533005 0.151707 yield of living reserve on food
Y_EX_d mol/mol 0.0167889 0.0452346 0.000160188 0.23623 9.71231e-05 0.314427 yield of dead reserve on food
Y_CX mol/mol 0.863673 0.819405 0.404262 0.474914 0.296344 0.370997 yield of CO2 on food
Y_HX mol/mol 0.621365 0.589516 0.290844 0.341674 0.213203 0.266912 yield of H2O on food
Y_OX mol/mol -0.939244 -0.891103 -0.439635 -0.516469 -0.322274 -0.403459 yield of O2 on food
Y_NX mol/mol 0.129551 0.122911 0.0606393 0.071237 0.0444516 0.0556495 yield of N-waste on food
mu_TX J/mol 458184 434628 208905 247197 148704 189379 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