Zearaja chilensis: Population traits

at T = 6.7 °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: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.445395 0.445395 0.54982 0.54982 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000768521 0.000768521 0.000156399 0.000156399 spec pop growth rate
t2 d NaN NaN NaN NaN 901.924 901.924 4431.93 4431.93 population doubling time
a_b d 444.482 450.956 435.445 441.087 416.075 419.713 416.075 419.713 age at birth
t_p d 14608.1 6572.08 8404.78 4983.94 4837.51 3210.95 4837.51 3210.95 time since birth at puberty
S_b - 0.999822 0.999788 0.999832 0.999801 0.999852 0.999826 0.999852 0.999826 survival probability at birth
S_p - 0.999083 0.998884 0.378897 0.395845 0.999302 0.999172 0.323367 0.333421 survival probability at puberty
theta_0b - 0.0396455 0.0426542 0.356443 0.34185 0.275163 0.277462 0.477202 0.468419 frac of ind that is embryo
theta_bp - 0.0396424 0.0426474 0.218074 0.213703 0.199833 0.200927 0.254684 0.253578 fraction of individuals that is juvenile
theta_pi - 0.920712 0.914698 0.425483 0.444447 0.525004 0.521611 0.268114 0.278002 frac of ind that is adult
L_bi cm 6.78627 6.02963 4.26342 4.06381 4.23948 4.07492 3.57912 3.51898 mean structural length of post-natals
L2_bi cm^2 51.2986 40.1991 26.6756 23.1735 24.1082 21.9158 20.895 19.5375 mean squared structural length of post-natals
L3_bi cm^3 411.379 283.64 211.976 164.019 173.705 147.612 185.411 159.83 mean cubed structural length of post-natals
Ww_bi g 1535.78 961.043 927.196 647.58 1239.67 939.124 1323.21 1016.85 mean wet weight of post-natals
L_pi cm 7.00228 6.22958 5.55607 5.18973 5.13746 4.9275 5.26422 5.09438 mean structural length of adults
L2_pi cm^2 53.3704 41.9299 38.7629 32.8642 31.9042 28.9904 37.565 34.3557 mean squared structural length of adults
L3_pi cm^3 428.841 296.607 317.752 240.294 237.096 201.806 355.487 299.963 mean cubed structural length of adults
Ww_pi g 1600.97 1004.98 1389.87 948.727 1692.08 1283.91 2536.99 1908.39 mean wet weight of adults
R 1/d 0 0.00327638 0 0 0 0.000297555 0 0.00575728 mean reproduction rate of adults
J_X g/d 1.97234 1.3505 1.26609 0.961052 2.08112 1.65307 1.80374 1.47368 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 0.0641463 0.0686256 0.0160766 0.0169624 yield of living structure on food
Y_VX_d mol/mol 0.0337888 0.0355911 0.0551012 0.0583449 0.00183561 0.00222283 0.0449707 0.0485314 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.393644 0.367977 0.0986566 0.090954 yield of living reserve on food
Y_EX_d mol/mol 0.0923529 0.0850005 0.185915 0.172012 0.0112645 0.011919 0.27597 0.26023 yield of dead reserve on food
Y_CX mol/mol 0.707147 0.712281 0.600888 0.610748 0.388254 0.406889 0.42083 0.438401 yield of CO2 on food
Y_HX mol/mol 0.60734 0.611749 0.516078 0.524547 0.333456 0.349461 0.361434 0.376525 yield of H2O on food
Y_OX mol/mol -0.831376 -0.837411 -0.70645 -0.718042 -0.456461 -0.47837 -0.49476 -0.515417 yield of O2 on food
Y_NX mol/mol 0.0573362 0.0577525 0.0487207 0.0495201 0.0314801 0.032991 0.0341214 0.035546 yield of N-waste on food
mu_TX J/mol 397816 400908 336752 342680 212969 224108 231769 242265 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