Ceratoscopelus townsendi: Population traits

at T = 15.2 °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: 2025/04/26
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.354761 0.621533 0.810766 0.810766 1 1 scaled functional response
r 1/d 0 0 0.0114271 0.000521503 0.0144926 0.000892514 spec pop growth rate
t2 d NaN NaN 60.6582 1329.13 47.8276 776.623 population doubling time
a_b d 15.709 14.4142 13.8904 13.8904 13.5201 13.5201 age at birth
t_j d 35.9504 23.2867 19.5355 19.5355 17.2443 17.2443 time since birth at metam
t_p d 1750.79 607.734 461.726 461.726 386.507 386.507 time since birth at puberty
S_b - 0.999967 0.999974 0.999976 0.999976 0.999978 0.999978 survival probability at birth
S_j - 0.999825 0.28316 0.99989 0.233115 0.999901 0.199842 survival probability at metam
S_p - 0.999538 0.130236 0.999846 0.128987 0.999875 0.12825 survival probability at puberty
theta_0b - 0.014039 0.487536 0.147031 0.534091 0.178083 0.564287 frac of ind that is embryo
theta_bj - 0.0140521 0.277229 0.125535 0.27969 0.146483 0.27767 frac of ind between b and j
theta_jp - 0.0181024 0.0591416 0.0455868 0.0377571 0.0355552 0.0246183 frac of ind between j and p
theta_pi - 0.953807 0.176094 0.681847 0.148462 0.639879 0.133425 frac of ind that is adult
L_bi cm 0.694962 0.214842 0.368395 0.197058 0.345878 0.187899 mean structural length of post-natals
L2_bi cm^2 0.55096 0.145177 0.215817 0.134446 0.194228 0.12897 mean squared structural length of post-natals
L3_bi cm^3 0.46291 0.167257 0.168097 0.178219 0.14873 0.189066 mean cubed structural length of post-natals
Ww_bi g 0.632874 0.274847 0.30915 0.327765 0.30266 0.384743 mean wet weight of post-natals
L_pi cm 0.715453 0.474896 0.438999 0.449918 0.419502 0.434907 mean structural length of adults
L2_pi cm^2 0.569269 0.410238 0.268003 0.40817 0.247241 0.406564 mean squared structural length of adults
L3_pi cm^3 0.47849 0.48571 0.210099 0.558127 0.190831 0.616177 mean cubed structural length of adults
Ww_pi g 0.654176 0.79815 0.386396 1.02646 0.388335 1.2539 mean wet weight of adults
R 1/d 0 0 0 0.028656 0 0.168813 mean reproduction rate of adults
J_X g/d 0.00853088 0.00394866 0.0077367 0.00478008 0.00860102 0.00566271 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 0.248279 0.0194436 0.250608 0.0297992 yield of living structure on food
Y_VX_d mol/mol 0.0855492 0.151425 0.00290933 0.146823 0.00167195 0.142397 yield of dead structure on food
Y_EX mol/mol 0 0 0.208335 0.0163154 0.259371 0.0308411 yield of living reserve on food
Y_EX_d mol/mol 0.0314107 0.0974061 0.00244127 0.123202 0.00173041 0.147376 yield of dead reserve on food
Y_CX mol/mol 0.773665 0.641794 0.42866 0.584841 0.377243 0.540211 yield of CO2 on food
Y_HX mol/mol 0.556609 0.461735 0.308397 0.420761 0.271406 0.388652 yield of H2O on food
Y_OX mol/mol -0.841361 -0.697951 -0.466168 -0.636015 -0.410252 -0.58748 yield of O2 on food
Y_NX mol/mol 0.11605 0.0962692 0.064299 0.0877262 0.0565865 0.0810317 yield of N-waste on food
mu_TX J/mol 412449 343214 230979 312632 202754 288382 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