Triakis semifasciata: Population traits

at T = 12.4 °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_min f_max date: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.662277 0.662277 0.736799 0.736799 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000596598 0.000596598 0.000136828 0.000136828 spec pop growth rate
t2 d NaN NaN NaN NaN 1161.83 1161.83 5065.83 5065.83 population doubling time
a_b d 459.875 459.875 454.596 454.596 441.433 441.433 441.433 441.433 age at birth
t_p d 14991.4 7764.41 8412.26 6062.95 4948.94 4060.38 4948.94 4060.38 time since birth at puberty
S_b - 0.999945 0.999945 0.999947 0.999947 0.999951 0.999951 0.999951 0.999951 survival probability at birth
S_p - 0.999702 0.999702 0.41247 0.41247 0.99975 0.99975 0.371976 0.371976 survival probability at puberty
theta_0b - 0.0310923 0.0310923 0.29137 0.29137 0.232468 0.232468 0.417705 0.417705 frac of ind that is embryo
theta_bp - 0.031096 0.031096 0.185617 0.185617 0.178656 0.178656 0.239276 0.239276 fraction of individuals that is juvenile
theta_pi - 0.937812 0.937812 0.523013 0.523013 0.588876 0.588876 0.343019 0.343019 frac of ind that is adult
L_bi cm 7.95568 7.95568 5.72901 5.72901 5.19611 5.19611 4.68894 4.68894 mean structural length of post-natals
L2_bi cm^2 67.8166 67.8166 42.9111 42.9111 33.7401 33.7401 31.777 31.777 mean squared structural length of post-natals
L3_bi cm^3 600.02 600.02 373.379 373.379 259.809 259.809 284.151 284.151 mean cubed structural length of post-natals
Ww_bi g 2060.71 2060.71 1384.61 1384.61 1214.82 1214.82 1328.63 1328.63 mean wet weight of post-natals
L_pi cm 8.14361 8.14361 6.96587 6.96587 6.053 6.053 6.35777 6.35777 mean structural length of adults
L2_pi cm^2 69.8892 69.8892 56.3239 56.3239 42.2361 42.2361 50.1886 50.1886 mean squared structural length of adults
L3_pi cm^3 619.501 619.501 501.68 501.68 334.343 334.343 473.385 473.385 mean cubed structural length of adults
Ww_pi g 2127.61 2127.61 1860.39 1860.39 1563.32 1563.32 2213.45 2213.45 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 2.98429 2.98429 2.10079 2.10079 2.24187 2.24187 2.11143 2.11143 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 0.0691393 0.0691393 0.018414 0.018414 yield of living structure on food
Y_VX_d mol/mol 0.0209103 0.0209103 0.0396397 0.0396397 0.00129465 0.00129465 0.0432684 0.0432684 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.254142 0.254142 0.0676861 0.0676861 yield of living reserve on food
Y_EX_d mol/mol 0.0509039 0.0509039 0.107357 0.107357 0.00475888 0.00475888 0.159046 0.159046 yield of dead reserve on food
Y_CX mol/mol 0.7574 0.7574 0.687856 0.687856 0.519193 0.519193 0.557045 0.557045 yield of CO2 on food
Y_HX mol/mol 0.6505 0.6505 0.590771 0.590771 0.445914 0.445914 0.478423 0.478423 yield of H2O on food
Y_OX mol/mol -0.890457 -0.890457 -0.808696 -0.808696 -0.610403 -0.610403 -0.654904 -0.654904 yield of O2 on food
Y_NX mol/mol 0.0614108 0.0614108 0.0557721 0.0557721 0.0420968 0.0420968 0.0451658 0.0451658 yield of N-waste on food
mu_TX J/mol 426556 426556 386830 386830 289752 289752 311446 311446 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