Etmopterus perryi: Population traits

at T = 9 °C with background hazards for embryo, juv, adult: 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 std f_min f_max date: 2025/06/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.581205 NaN 0.631371 0.631371 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00072755 0.00072755 0.000166237 0.000166237 spec pop growth rate
t2 d NaN NaN NaN NaN 952.714 952.714 4169.63 4169.63 population doubling time
a_b d 278.893 NaN 275.669 NaN 259.978 259.978 259.978 259.978 age at birth
t_p d 5790.83 NaN 3578.56 NaN 1499.36 2149.8 1499.36 2149.8 time since birth at puberty
S_b - 0.999998 NaN 0.999998 NaN 0.999998 0.999998 0.999998 0.999998 survival probability at birth
S_p - 0.999986 NaN 0.605137 NaN 0.99999 0.99999 0.483515 0.483515 survival probability at puberty
theta_0b - 0.014029 NaN 0.0648272 NaN 0.172417 0.172417 0.251446 0.251446 frac of ind that is embryo
theta_bp - 0.0140362 NaN 0.0499647 NaN 0.142744 0.142744 0.166164 0.166164 fraction of individuals that is juvenile
theta_pi - 0.971935 NaN 0.885208 NaN 0.684839 0.684839 0.58239 0.58239 frac of ind that is adult
L_bi cm 1.29254 NaN 1.34493 NaN 1.4276 1.4276 1.53882 1.53882 mean structural length of post-natals
L2_bi cm^2 1.68416 NaN 1.85417 NaN 2.26638 2.26638 2.73387 2.73387 mean squared structural length of post-natals
L3_bi cm^3 2.20615 NaN 2.59528 NaN 3.89411 3.89411 5.31616 5.31616 mean cubed structural length of post-natals
Ww_bi g 4.11345 NaN 5.03266 NaN 9.68658 9.68658 13.2239 13.2239 mean wet weight of post-natals
L_pi cm 1.30122 NaN 1.38161 NaN 1.56795 1.56795 1.76641 1.76641 mean structural length of adults
L2_pi cm^2 1.70154 NaN 1.93141 NaN 2.61893 2.61893 3.35544 3.35544 mean squared structural length of adults
L3_pi cm^3 2.23316 NaN 2.72251 NaN 4.61346 4.61346 6.71291 6.71291 mean cubed structural length of adults
Ww_pi g 4.16382 NaN 5.27939 NaN 11.476 11.476 16.6983 16.6983 mean wet weight of adults
R 1/d 3.99571e-05 NaN 0.000469302 NaN 0.00210988 0.000982364 0.00343449 0.00230697 mean reproduction rate of adults
J_X g/d 0.0164499 NaN 0.0196736 NaN 0.0380876 0.0380876 0.045944 0.045944 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 NaN 0 NaN 0.0743855 0.0743855 0.0192352 0.0192352 yield of living structure on food
Y_VX_d mol/mol 0.00737024 NaN 0.0149483 NaN 0.000149669 0.000149669 0.02989 0.02989 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.110648 0.110648 0.0286123 0.0286123 yield of living reserve on food
Y_EX_d mol/mol 0.00637186 NaN 0.0140389 NaN 0.000222632 0.000222632 0.0444612 0.0444612 yield of dead reserve on food
Y_CX mol/mol 0.811117 NaN 0.797015 NaN 0.652328 0.652328 0.710794 0.710794 yield of CO2 on food
Y_HX mol/mol 0.696635 NaN 0.684523 NaN 0.560258 0.560258 0.610472 0.610472 yield of H2O on food
Y_OX mol/mol -0.95361 NaN -0.937031 NaN -0.766926 -0.766926 -0.835664 -0.835664 yield of O2 on food
Y_NX mol/mol 0.0657662 NaN 0.0646228 NaN 0.0528914 0.0528914 0.057632 0.057632 yield of N-waste on food
mu_TX J/mol 457287 NaN 449420 NaN 367801 367801 400716 400716 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