Sepia elegans: Population traits

at T = 18 °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: 2025/03/22
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.152326 0.152326 0.152326 0.152326 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.003769 0.003769 NaN NaN spec pop growth rate
t2 d NaN NaN NaN NaN 183.908 183.908 NaN NaN population doubling time
a_b d 68.039 68.6359 68.039 68.6359 52.0011 52.2738 NaN 52.2738 age at birth
t_j d 153.573 161.977 153.573 161.977 39.3928 40.3132 NaN 40.3132 time since birth at metam
t_p d 3585.24 932.668 3585.24 932.668 395.754 191.646 NaN 191.646 time since birth at puberty
S_b - 0.990397 0.989654 0.990397 0.989654 0.995305 0.994992 NaN 0.994992 survival probability at birth
S_j - 0.946313 0.941811 0.505394 0.517748 0.984513 0.983147 NaN 0.226649 survival probability at metam
S_p - 0.857003 0.835581 0.20803 0.203596 0.980348 0.97891 NaN 0.172208 survival probability at puberty
theta_0b - 0.132323 0.138154 0.379482 0.375443 0.212943 0.215492 NaN 0.217589 frac of ind that is embryo
theta_bj - 0.129074 0.134471 0.275619 0.27568 0.13467 0.138335 NaN 0.115925 frac of ind between b and j
theta_jp - 0.150956 0.168178 0.160974 0.1733 0.0387341 0.0368377 NaN 0.016097 frac of ind between j and p
theta_pi - 0.587647 0.559197 0.183926 0.175577 0.613653 0.609335 NaN 0.650389 frac of ind that is adult
L_bi cm 0.599953 0.570904 0.415393 0.406231 1.20159 1.1672 NaN 2.70824 mean structural length of post-natals
L2_bi cm^2 0.419014 0.376407 0.200831 0.189385 2.10383 1.97251 NaN 10.3547 mean squared structural length of post-natals
L3_bi cm^3 0.331073 0.279843 0.115685 0.103717 4.75947 4.29583 NaN 44.5235 mean cubed structural length of post-natals
Ww_bi g 0.421392 0.352377 0.147244 0.1306 13.2834 11.6055 NaN 120.284 mean wet weight of post-natals
L_pi cm 0.721688 0.693785 0.626612 0.611529 1.43428 1.39472 NaN 3.18654 mean structural length of adults
L2_pi cm^2 0.561088 0.514954 0.420206 0.39727 2.65654 2.49763 NaN 12.4306 mean squared structural length of adults
L3_pi cm^3 0.468265 0.408068 0.303254 0.275617 6.08752 5.51401 NaN 53.5516 mean cubed structural length of adults
Ww_pi g 0.596011 0.513837 0.385984 0.347056 16.9899 14.8965 NaN 144.674 mean wet weight of adults
R 1/d 0 0 0 0 0.0758961 0.110109 NaN 0.678868 mean reproduction rate of adults
J_X g/d 0.00425117 0.00361098 0.00189731 0.00168508 0.144711 0.128869 NaN 0.677636 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 NaN 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.12396 0.125639 NaN -0.450864 yield of living structure on food
Y_VX_d mol/mol 0.312997 0.318938 0.437055 0.447691 0.0847695 0.0888408 NaN 0.590333 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.222005 0.213785 NaN -0.767183 yield of living reserve on food
Y_EX_d mol/mol 0.0853876 0.0826674 0.119231 0.11604 0.151817 0.15117 NaN 1.0045 yield of dead reserve on food
Y_CX mol/mol 0.49224 0.489019 0.334339 0.326894 0.308074 0.31119 NaN 0.513838 yield of CO2 on food
Y_HX mol/mol 0.353866 0.351551 0.240353 0.235 0.221471 0.223711 NaN 0.369392 yield of H2O on food
Y_OX mol/mol -0.535311 -0.531809 -0.363594 -0.355497 -0.33503 -0.338419 NaN -0.558799 yield of O2 on food
Y_NX mol/mol 0.073836 0.0733529 0.0501508 0.0490341 0.046211 0.0466785 NaN 0.0770757 yield of N-waste on food
mu_TX J/mol 269038 267564 188395 184833 162533 164535 NaN 272241 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