Lamna ditropis: Population traits

at T = 9.7 °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: 2024/10/26
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.778437 0.778437 0.93192 0.93192 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000272319 0.000272319 2.64322e-05 2.64322e-05 spec pop growth rate
t2 d NaN NaN NaN NaN 2545.35 2545.35 26223.6 26223.6 population doubling time
a_b d 1105.45 1112.95 1094.11 1100.52 1090.13 1096.16 1090.13 1096.16 age at birth
t_p d 9693.48 7824.73 5868.17 5007.06 5285.04 4525.64 5285.04 4525.64 time since birth at puberty
S_b - 0.999775 0.999743 0.999783 0.999754 0.999786 0.999757 0.999786 0.999757 survival probability at birth
S_p - 0.998227 0.997911 0.395537 0.414245 0.998424 0.998167 0.384279 0.401392 survival probability at puberty
theta_0b - 0.0813985 0.0861846 0.321406 0.307864 0.268164 0.27099 0.360996 0.347348 frac of ind that is embryo
theta_bp - 0.0813447 0.0861176 0.19787 0.193774 0.199165 0.200915 0.213478 0.209657 fraction of individuals that is juvenile
theta_pi - 0.837257 0.827698 0.480724 0.498362 0.532671 0.528096 0.425526 0.442995 frac of ind that is adult
L_bi cm 16.5363 15.1332 15.6144 14.7752 15.2156 14.3906 15.4579 14.738 mean structural length of post-natals
L2_bi cm^2 284.62 236.986 273.93 240.483 256.09 226.073 273.683 243.505 mean squared structural length of post-natals
L3_bi cm^3 5032.2 3800.32 5208.94 4191.49 4659.97 3804.6 5340.2 4372.03 mean cubed structural length of post-natals
Ww_bi g 58155.3 39910.2 71039.8 51870.8 67855.2 50244.6 77760.4 57738.2 mean wet weight of post-natals
L_pi cm 17.2817 15.8037 18.4113 17.1376 17.4914 16.4465 18.7558 17.5619 mean structural length of adults
L2_pi cm^2 304.531 253.689 354.088 304.084 320.11 280.843 370.628 321.7 mean squared structural length of adults
L3_pi cm^3 5450.6 4124.93 7055.17 5552.64 6102.19 4962.09 7647 6104.89 mean cubed structural length of adults
Ww_pi g 62990.6 43319.3 96218.8 68715.5 88855.9 65530.7 111350 80622.9 mean wet weight of adults
R 1/d 0 0 0.000406533 0.000801223 0 0.000417241 0.000762289 0.0011386 mean reproduction rate of adults
J_X g/d 82.4592 61.7983 95.0097 75.0748 95.3109 75.7321 101.859 81.5716 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 0.0133143 0.0136806 0.00138578 0.0014167 yield of living structure on food
Y_VX_d mol/mol 0.00683877 0.00711028 0.0119415 0.0123459 0.00181879 0.00200716 0.0118477 0.0122683 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.180559 0.16699 0.0187929 0.0172926 yield of living reserve on food
Y_EX_d mol/mol 0.0721944 0.0675606 0.150918 0.140438 0.0246652 0.0245 0.160671 0.14975 yield of dead reserve on food
Y_CX mol/mol 0.750722 0.754758 0.673183 0.682503 0.619997 0.632189 0.645583 0.656655 yield of CO2 on food
Y_HX mol/mol 0.644765 0.64823 0.578169 0.586174 0.53249 0.542961 0.554465 0.563974 yield of H2O on food
Y_OX mol/mol -0.882606 -0.88735 -0.791445 -0.802402 -0.728916 -0.743249 -0.758996 -0.772013 yield of O2 on food
Y_NX mol/mol 0.0608694 0.0611966 0.0545824 0.0553381 0.0502701 0.0512586 0.0523446 0.0532423 yield of N-waste on food
mu_TX J/mol 421948 424321 376865 382335 345927 353083 360792 367288 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