Dipturus chinensis: Population traits

at T = 15 °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: 2025/02/12
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.67783 0.67783 0.849983 0.849983 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000872566 0.000872566 0.000113041 0.000113041 spec pop growth rate
t2 d NaN NaN NaN NaN 794.377 794.377 6131.84 6131.84 population doubling time
a_b d 252.881 255.451 245.309 247.594 240.419 242.506 240.419 242.506 age at birth
t_p d 7451.69 8559.07 3951.02 4020.77 3109.27 3115.95 3109.27 3115.95 time since birth at puberty
S_b - 0.999803 0.999783 0.999819 0.999801 0.999829 0.999812 0.999829 0.999812 survival probability at birth
S_p - 0.998933 0.998807 0.453336 0.465625 0.999126 0.999029 0.427334 0.438339 survival probability at puberty
theta_0b - 0.038408 0.0400256 0.295471 0.286826 0.192663 0.194471 0.352287 0.343983 frac of ind that is embryo
theta_bp - 0.0384058 0.040022 0.197946 0.194736 0.156186 0.15736 0.223449 0.220899 fraction of individuals that is juvenile
theta_pi - 0.923186 0.919952 0.506584 0.518438 0.651152 0.64817 0.424264 0.435118 frac of ind that is adult
L_bi cm 5.29608 4.96223 3.84856 3.73133 3.85094 3.71248 3.58012 3.501 mean structural length of post-natals
L2_bi cm^2 30.7639 26.9064 20.091 18.4697 18.4375 16.9546 18.2083 17.0241 mean squared structural length of post-natals
L3_bi cm^3 188.551 153.76 127.637 110.013 104.181 90.8013 119.367 105.191 mean cubed structural length of post-natals
Ww_bi g 418.264 328.211 322.63 266.531 291.432 242.786 333.911 281.26 mean wet weight of post-natals
L_pi cm 5.44869 5.10791 4.71567 4.52488 4.36907 4.20648 4.59585 4.4451 mean structural length of adults
L2_pi cm^2 31.9324 27.9626 26.8904 24.411 22.1642 20.3781 26.3399 24.2796 mean squared structural length of adults
L3_pi cm^3 196.21 160.261 175.753 149.685 127.96 111.652 179.753 156.252 mean cubed structural length of adults
Ww_pi g 435.254 342.088 444.255 362.643 357.948 298.536 502.833 417.789 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.978152 0.796698 0.801041 0.685784 0.864862 0.740639 0.85411 0.74367 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.105109 0.106975 0.0157981 0.0159894 yield of living structure on food
Y_VX_d mol/mol 0.0509876 0.0523549 0.0848943 0.0870626 0.0073795 0.0079712 0.0823903 0.0846019 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.188919 0.179057 0.0283947 0.0267632 yield of living reserve on food
Y_EX_d mol/mol 0.0621183 0.0594 0.129695 0.123865 0.0132636 0.0133423 0.148085 0.141608 yield of dead reserve on food
Y_CX mol/mol 0.719205 0.720455 0.625333 0.62872 0.532757 0.539533 0.569761 0.575038 yield of CO2 on food
Y_HX mol/mol 0.617696 0.618769 0.537073 0.539982 0.457563 0.463383 0.489344 0.493876 yield of H2O on food
Y_OX mol/mol -0.845552 -0.847021 -0.735189 -0.739171 -0.62635 -0.634316 -0.669854 -0.676058 yield of O2 on food
Y_NX mol/mol 0.0583139 0.0584153 0.0507027 0.0509773 0.0431965 0.0437459 0.0461968 0.0466247 yield of N-waste on food
mu_TX J/mol 405727 406526 352535 354624 299785 303870 320706 323912 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