Heptranchias perlo: Population traits

at T = 4 °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_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.59976 0.624308 0.812154 0.812154 1 1 scaled functional response
r 1/d 0 0 0.000417691 0.00014595 0.000608574 0.000214139 spec pop growth rate
t2 d NaN NaN 1659.47 4749.21 1138.97 3236.9 population doubling time
a_b d 455.748 452.785 434.353 434.353 421.046 421.046 age at birth
t_p d 19461.2 12665.6 5803.42 5803.42 4218.74 4218.74 time since birth at puberty
S_b - 0.999987 0.999987 0.999989 0.999989 0.99999 0.99999 survival probability at birth
S_p - 0.999921 0.637599 0.999935 0.573217 0.999942 0.527421 survival probability at puberty
theta_0b - 0.0175857 0.112554 0.16624 0.27179 0.22614 0.336379 frac of ind that is embryo
theta_bp - 0.0175992 0.0895577 0.138731 0.192906 0.175098 0.223319 fraction of individuals that is juvenile
theta_pi - 0.964815 0.797888 0.695029 0.535305 0.598762 0.440303 frac of ind that is adult
L_bi cm 7.03712 6.28466 5.39755 5.23671 5.2728 5.08307 mean structural length of post-natals
L2_bi cm^2 51.0745 43.4066 33.1666 33.1497 32.3611 32.3456 mean squared structural length of post-natals
L3_bi cm^3 377.643 317.052 226.394 244.038 226.575 250.919 mean cubed structural length of post-natals
Ww_bi g 753.078 645.151 531.171 572.566 602.143 666.84 mean wet weight of post-natals
L_pi cm 7.11504 6.68077 5.9041 6.10368 5.95874 6.1951 mean structural length of adults
L2_pi cm^2 51.8662 47.4228 38.144 42.1891 39.2977 44.4771 mean squared structural length of adults
L3_pi cm^3 384.141 350.26 266.826 323.646 285.312 365.618 mean cubed structural length of adults
Ww_pi g 766.037 712.726 626.032 759.344 758.242 971.662 mean wet weight of adults
R 1/d 0 0 0 0 0 0.00063792 mean reproduction rate of adults
J_X g/d 1.51065 1.3364 1.32838 1.3277 1.5959 1.59513 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 yield of faeces on food
Y_VX mol/mol 0 0 0.0711868 0.0268263 0.0864013 0.0336847 yield of living structure on food
Y_VX_d mol/mol 0.0123064 0.0246469 0.0005346 0.0401608 0.000242805 0.0480629 yield of dead structure on food
Y_EX mol/mol 0 0 0.0958329 0.036114 0.143218 0.0558354 yield of living reserve on food
Y_EX_d mol/mol 0.0122345 0.0255057 0.000719687 0.0540651 0.000402471 0.0796685 yield of dead reserve on food
Y_CX mol/mol 0.801128 0.777437 0.668175 0.678449 0.610834 0.62287 yield of CO2 on food
Y_HX mol/mol 0.688056 0.667709 0.573868 0.582692 0.52462 0.534958 yield of H2O on food
Y_OX mol/mol -0.941866 -0.914014 -0.785557 -0.797636 -0.718142 -0.732294 yield of O2 on food
Y_NX mol/mol 0.0649563 0.0630354 0.0541763 0.0550094 0.0495271 0.050503 yield of N-waste on food
mu_TX J/mol 451693 438458 376926 382697 344145 350938 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female are the same.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer