Amphioctopus burryi: Population traits

at T = 23.5 °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_min f_max date: 2025/03/24
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - NaN NaN 0.453077 0.453077 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00102764 0.00102764 NaN NaN spec pop growth rate
t2 d NaN NaN NaN NaN 674.505 674.505 NaN NaN population doubling time
a_b d NaN NaN 8.14853 8.08525 7.44749 7.40709 NaN 7.40709 age at birth
t_j d NaN NaN 33.2546 31.6925 20.0445 19.4949 NaN 19.4949 time since birth at metam
t_p d NaN NaN 1088.86 656.576 150.095 142.494 NaN 142.494 time since birth at puberty
S_b - NaN NaN 1 1 1 1 NaN 1 survival probability at birth
S_j - NaN NaN 0.29699 0.281535 1 1 NaN 0.145355 survival probability at metam
S_p - NaN NaN 0.00705071 0.00695476 1 1 NaN 0.00624577 survival probability at puberty
theta_0b - NaN NaN 0.532023 0.543122 0.0367095 0.0351984 NaN 0.654859 frac of ind that is embryo
theta_bj - NaN NaN 0.308219 0.308003 0.0364404 0.0349417 NaN 0.290285 frac of ind between b and j
theta_jp - NaN NaN 0.127118 0.117711 0.0610056 0.056454 NaN 0.0472494 frac of ind between j and p
theta_pi - NaN NaN 0.0326404 0.0311632 0.865844 0.873406 NaN 0.00760655 frac of ind that is adult
L_bi cm NaN NaN 0.170168 0.173106 1.79886 1.92284 NaN 0.120317 mean structural length of post-natals
L2_bi cm^2 NaN NaN 0.112855 0.123077 3.97958 4.536 NaN 0.0541109 mean squared structural length of post-natals
L3_bi cm^3 NaN NaN 0.137138 0.160393 9.44556 11.4743 NaN 0.0947979 mean cubed structural length of post-natals
Ww_bi g NaN NaN 0.25461 0.306173 27.3035 34.4922 NaN 0.284967 mean wet weight of post-natals
L_pi cm NaN NaN 1.16574 1.23113 1.98181 2.10588 NaN 1.15674 mean structural length of adults
L2_pi cm^2 NaN NaN 1.47769 1.66017 4.42331 5.00678 NaN 1.97205 mean squared structural length of adults
L3_pi cm^3 NaN NaN 1.94737 2.33209 10.5076 12.674 NaN 4.23475 mean cubed structural length of adults
Ww_pi g NaN NaN 3.61548 4.45171 30.3734 38.0987 NaN 12.7299 mean wet weight of adults
R 1/d NaN NaN 0 0 0.867738 1.04893 NaN 0.235275 mean reproduction rate of adults
J_X g/d NaN NaN 0.0191582 0.0223657 1.63593 1.98177 NaN 0.0207704 mean ingestion rate of wet food by post-natals
Y_PX mol/mol NaN NaN 0.109375 0.109375 0.109375 0.109375 NaN 0.109375 yield of faeces on food
Y_VX mol/mol NaN NaN 0 0 0.0059334 0.00594993 NaN -2.68209e-06 yield of living structure on food
Y_VX_d mol/mol NaN NaN 0.0311791 0.0296247 0.0579405 0.0551 NaN 0.102377 yield of dead structure on food
Y_EX mol/mol NaN NaN 0 0 0.0112178 0.0119358 NaN -5.38039e-06 yield of living reserve on food
Y_EX_d mol/mol NaN NaN 0.0267079 0.0269258 0.109543 0.110533 NaN 0.205372 yield of dead reserve on food
Y_CX mol/mol NaN NaN 0.832738 0.834075 0.70599 0.707106 NaN 0.582884 yield of CO2 on food
Y_HX mol/mol NaN NaN 0.598646 0.599607 0.507528 0.508331 NaN 0.419029 yield of H2O on food
Y_OX mol/mol NaN NaN -0.905603 -0.907056 -0.767764 -0.768978 NaN -0.633886 yield of O2 on food
Y_NX mol/mol NaN NaN 0.124911 0.125111 0.105899 0.106066 NaN 0.0874326 yield of N-waste on food
mu_TX J/mol NaN NaN 442221 442878 374144 374617 NaN 308361 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