Raja texana: Population traits

at T = 24.9 °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: 2025/05/22
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.630045 0.630045 0.828064 0.828064 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00149787 0.00149787 0.000151846 0.000151846 spec pop growth rate
t2 d NaN NaN NaN NaN 462.756 462.756 4564.8 4564.8 population doubling time
a_b d 154.225 158.027 148.845 152.112 145.615 148.526 145.615 148.526 age at birth
t_p d 3305.81 NaN 1513.74 NaN 1174.94 NaN 1174.94 NaN time since birth at puberty
S_b - 0.999912 0.999888 0.99992 0.999899 0.999925 0.999906 0.999925 0.999906 survival probability at birth
S_p - 0.999495 0.999334 0.447822 0.479972 0.999604 0.99949 0.416947 0.444696 survival probability at puberty
theta_0b - 0.0356772 0.0393541 0.270255 0.247089 0.197989 0.202034 0.33382 0.310859 frac of ind that is embryo
theta_bp - 0.0356818 0.0393586 0.179505 0.169889 0.159198 0.161736 0.209666 0.201472 fraction of individuals that is juvenile
theta_pi - 0.928641 0.921287 0.55024 0.583022 0.642813 0.636231 0.456514 0.487669 frac of ind that is adult
L_bi cm 5.01671 4.28672 4.35891 3.99433 4.13153 3.77714 4.20278 3.94319 mean structural length of post-natals
L2_bi cm^2 26.6802 19.3301 24 19.2364 20.623 16.8108 23.8987 19.9547 mean squared structural length of post-natals
L3_bi cm^3 146.846 89.9528 151.812 104.096 118.585 84.8621 165.229 119.183 mean cubed structural length of post-natals
Ww_bi g 316.425 177.504 382.224 237.257 335.937 215.958 468.074 303.298 mean wet weight of post-natals
L_pi cm 5.1402 4.39462 5.18761 4.63745 4.68527 4.26497 5.28356 4.82017 mean structural length of adults
L2_pi cm^2 27.5793 20.0224 30.7359 23.9004 24.8266 20.1949 33.2785 26.8107 mean squared structural length of adults
L3_pi cm^3 152.257 93.557 199.295 132.709 146.187 104.738 238.067 165.826 mean cubed structural length of adults
Ww_pi g 328.084 184.616 501.775 302.471 414.132 266.539 674.416 421.994 mean wet weight of adults
R 1/d 0 0 0.00116877 0 0 0 0.00491814 0 mean reproduction rate of adults
J_X g/d 1.44935 0.885029 1.71351 1.15755 1.77813 1.22163 2.06057 1.4501 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 0.0998937 0.104051 0.0121759 0.0124802 yield of living structure on food
Y_VX_d mol/mol 0.0354763 0.0377326 0.065342 0.0688233 0.00399199 0.00482407 0.0656714 0.0693476 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.183094 0.160739 0.0223171 0.0192795 yield of living reserve on food
Y_EX_d mol/mol 0.0409681 0.036725 0.0991729 0.0880388 0.00731687 0.00745226 0.120368 0.107129 yield of dead reserve on food
Y_CX mol/mol 0.753117 0.754955 0.671652 0.678731 0.551604 0.567542 0.619835 0.63121 yield of CO2 on food
Y_HX mol/mol 0.646821 0.6484 0.576854 0.582934 0.47375 0.487438 0.532351 0.54212 yield of H2O on food
Y_OX mol/mol -0.885421 -0.887582 -0.789645 -0.797967 -0.648507 -0.667245 -0.728725 -0.742098 yield of O2 on food
Y_NX mol/mol 0.0610635 0.0612126 0.0544583 0.0550322 0.0447246 0.0460169 0.0502569 0.0511792 yield of N-waste on food
mu_TX J/mol 424780 425967 378640 382953 310375 319943 348968 355818 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