Rhizoprionodon lalandii: Population traits

at T = 27.2 °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 - 0.77186 0.77186 0.846262 0.846262 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00115868 0.00115868 0.000344763 0.000344763 spec pop growth rate
t2 d NaN NaN NaN NaN 598.221 598.221 2010.51 2010.51 population doubling time
a_b d 235.508 236.893 232.719 234.026 228.07 229.24 228.07 229.24 age at birth
t_p d 1284.75 7.81009e+21 884.479 1161.85 609.882 713.257 609.882 713.257 time since birth at puberty
S_b - 0.999848 0.999838 0.999853 0.999844 0.999863 0.999854 0.999863 0.999854 survival probability at birth
S_p - 0.998721 0.998609 0.608704 0.626612 0.998966 0.998884 0.548108 0.562857 survival probability at puberty
theta_0b - 0.0684287 0.0703526 0.162653 0.15755 0.240931 0.242533 0.272337 0.265003 frac of ind that is embryo
theta_bp - 0.0684131 0.0703349 0.12489 0.122799 0.184935 0.185909 0.183915 0.181296 fraction of individuals that is juvenile
theta_pi - 0.863158 0.859312 0.712457 0.71965 0.574133 0.571558 0.543748 0.553701 frac of ind that is adult
L_bi cm 6.32813 6.08531 6.5652 6.34915 6.68223 6.49641 6.87226 6.69561 mean structural length of post-natals
L2_bi cm^2 40.4918 37.3913 44.1661 41.1683 46.5965 43.8621 49.6503 46.868 mean squared structural length of post-natals
L3_bi cm^3 261.378 231.552 302.802 271.409 336.776 305.995 373.311 340.024 mean cubed structural length of post-natals
Ww_bi g 918.003 788.328 1136.82 986.932 1432.88 1259.25 1588.32 1399.29 mean wet weight of post-natals
L_pi cm 6.47091 6.21678 6.91349 6.65829 7.29957 7.07325 7.60139 7.35572 mean structural length of adults
L2_pi cm^2 42.0708 38.8043 48.2151 44.664 54.2362 50.8245 58.8626 54.9944 mean squared structural length of adults
L3_pi cm^3 274.659 243.076 338.801 301.563 409.621 370.566 463.283 417.109 mean cubed structural length of adults
Ww_pi g 964.649 827.565 1271.97 1096.58 1742.81 1524.98 1971.13 1716.51 mean wet weight of adults
R 1/d 0.000420435 0 0.00180726 0.000622462 0.00334683 0.00221575 0.0042872 0.0030453 mean reproduction rate of adults
J_X g/d 8.55035 7.5574 10.2252 9.12286 12.7477 11.4856 13.5832 12.2727 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 0.0306106 0.0308693 0.00947524 0.0095519 yield of living structure on food
Y_VX_d mol/mol 0.0112181 0.0114114 0.0186387 0.0186233 0.00256712 0.00267989 0.0201328 0.0200388 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0996282 0.096166 0.030839 0.0297567 yield of living reserve on food
Y_EX_d mol/mol 0.0281817 0.0274392 0.0513371 0.0490971 0.00835519 0.00834856 0.0655261 0.0624261 yield of dead reserve on food
Y_CX mol/mol 0.787383 0.787891 0.759101 0.761187 0.693254 0.696119 0.707303 0.711188 yield of CO2 on food
Y_HX mol/mol 0.676251 0.676687 0.65196 0.653752 0.595407 0.597868 0.607473 0.61081 yield of H2O on food
Y_OX mol/mol -0.925707 -0.926305 -0.892456 -0.894909 -0.815042 -0.81841 -0.831559 -0.836126 yield of O2 on food
Y_NX mol/mol 0.0638419 0.0638831 0.0615487 0.0617178 0.0562098 0.0564421 0.0573489 0.0576639 yield of N-waste on food
mu_TX J/mol 443602 443909 427436 428655 389663 391356 397699 399969 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