Pteroctopus tetracirrhus: Population traits

at T = 6 °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 NaN NaN 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00199245 0.00199245 0.000368695 0.000368695 spec pop growth rate
t2 d NaN NaN NaN NaN 347.886 347.886 1880 1880 population doubling time
a_b d NaN NaN NaN NaN 67.4486 67.9821 67.4486 67.9821 age at birth
t_j d NaN NaN NaN NaN 228.224 238.683 228.224 238.683 time since birth at metam
t_p d NaN NaN NaN NaN 351.394 368.428 351.394 368.428 time since birth at puberty
S_b - NaN NaN NaN NaN 1 1 1 1 survival probability at birth
S_j - NaN NaN NaN NaN 1 1 0.113064 0.122763 survival probability at metam
S_p - NaN NaN NaN NaN 1 1 0.000626295 0.000633516 survival probability at puberty
theta_0b - NaN NaN NaN NaN 0.201668 0.20867 0.690447 0.682316 frac of ind that is embryo
theta_bj - NaN NaN NaN NaN 0.176341 0.182271 0.27524 0.279498 frac of ind between b and j
theta_jp - NaN NaN NaN NaN 0.336037 0.362285 0.0339399 0.0378298 frac of ind between j and p
theta_pi - NaN NaN NaN NaN 0.285953 0.246774 0.000373112 0.000355682 frac of ind that is adult
L_bi cm NaN NaN NaN NaN 1.43409 1.22699 0.20586 0.205041 mean structural length of post-natals
L2_bi cm^2 NaN NaN NaN NaN 3.81644 2.78464 0.0595732 0.0575513 mean squared structural length of post-natals
L3_bi cm^3 NaN NaN NaN NaN 12.4925 7.87949 0.0459166 0.0380736 mean cubed structural length of post-natals
Ww_bi g NaN NaN NaN NaN 64.813 37.1655 0.238222 0.179583 mean wet weight of post-natals
L_pi cm NaN NaN NaN NaN 3.02591 2.74046 2.60607 2.44382 mean structural length of adults
L2_pi cm^2 NaN NaN NaN NaN 9.85202 7.95702 7.41231 6.38285 mean squared structural length of adults
L3_pi cm^3 NaN NaN NaN NaN 34.0397 24.2602 22.8695 17.7519 mean cubed structural length of adults
Ww_pi g NaN NaN NaN NaN 176.603 114.429 118.65 83.7312 mean wet weight of adults
R 1/d NaN NaN NaN NaN 11.7821 9.33855 8.27177 7.07275 mean reproduction rate of adults
J_X g/d NaN NaN NaN NaN 1.58726 1.01144 0.00871383 0.00701668 mean ingestion rate of wet food by post-natals
Y_PX mol/mol NaN NaN NaN NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol NaN NaN NaN NaN 0.0156816 0.0155219 0.0019428 0.0020006 yield of living structure on food
Y_VX_d mol/mol NaN NaN NaN NaN 0.0860275 0.0961263 0.121317 0.132912 yield of dead structure on food
Y_EX mol/mol NaN NaN NaN NaN 0.0656768 0.0576908 0.00813671 0.0074357 yield of living reserve on food
Y_EX_d mol/mol NaN NaN NaN NaN 0.360296 0.357276 0.508091 0.493999 yield of dead reserve on food
Y_CX mol/mol NaN NaN NaN NaN 0.362944 0.36401 0.251137 0.254278 yield of CO2 on food
Y_HX mol/mol NaN NaN NaN NaN 0.260916 0.261683 0.18054 0.182798 yield of H2O on food
Y_OX mol/mol NaN NaN NaN NaN -0.394701 -0.395861 -0.273112 -0.276527 yield of O2 on food
Y_NX mol/mol NaN NaN NaN NaN 0.0544416 0.0546015 0.0376706 0.0381417 yield of N-waste on food
mu_TX J/mol NaN NaN NaN NaN 187361 188444 126945 129255 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