Carcharhinus acronotus: Population traits

at T = 25.5 °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 stf f_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.595833 0.753799 0.8769 0.8769 1 1 scaled functional response
r 1/d 0 0 0.000654462 7.70511e-05 0.000790275 0.000122822 spec pop growth rate
t2 d NaN NaN 1059.11 8995.94 877.096 5643.53 population doubling time
a_b d 362.698 362.698 362.698 362.698 362.698 362.698 age at birth
t_p d 3335.85 1734.93 1393.93 1393.93 1207.53 1207.53 time since birth at puberty
S_b - 0.999889 0.99989 0.999891 0.999891 0.999891 0.999891 survival probability at birth
S_p - 0.999231 0.508139 0.999313 0.471889 0.999335 0.444423 survival probability at puberty
theta_0b - 0.0525974 0.222323 0.216779 0.285584 0.252802 0.328711 frac of ind that is embryo
theta_bp - 0.0525799 0.156627 0.170923 0.188867 0.189746 0.207793 fraction of individuals that is juvenile
theta_pi - 0.894823 0.62105 0.612298 0.525549 0.557451 0.463496 frac of ind that is adult
L_bi cm 8.33633 8.60297 8.29544 8.72161 8.39191 8.83215 mean structural length of post-natals
L2_bi cm^2 71.5897 81.6347 76.2842 87.2889 79.5398 92.5714 mean squared structural length of post-natals
L3_bi cm^3 627.609 828.124 760.809 962.558 831.874 1098.23 mean cubed structural length of post-natals
Ww_bi g 1955.93 3045.5 3130.62 3960.79 3786.8 4999.28 mean wet weight of post-natals
L_pi cm 8.55964 9.60859 9.27891 10.1695 9.59846 10.6598 mean structural length of adults
L2_pi cm^2 74.5798 96.7986 91.1482 110.651 98.5091 123.795 mean squared structural length of adults
L3_pi cm^3 658.901 1011.46 941.801 1270.01 1074.7 1540.36 mean cubed structural length of adults
Ww_pi g 2053.45 3719.74 3875.38 5225.93 4892.19 7011.94 mean wet weight of adults
R 1/d 0 0.00157301 0.0013629 0.00262751 0.00189293 0.00357185 mean reproduction rate of adults
J_X g/d 6.38931 9.21741 10.0199 11.4654 11.9142 13.8661 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 0.0496932 0.00646872 0.0551789 0.00972774 yield of living structure on food
Y_VX_d mol/mol 0.0198236 0.0355731 0.00381585 0.0359874 0.00274663 0.0363306 yield of dead structure on food
Y_EX mol/mol 0 0 0.154787 0.0201492 0.196003 0.0345542 yield of living reserve on food
Y_EX_d mol/mol 0.0419561 0.0952502 0.0118858 0.112096 0.00975639 0.129051 yield of dead reserve on food
Y_CX mol/mol 0.766682 0.702817 0.62016 0.66223 0.57992 0.62989 yield of CO2 on food
Y_HX mol/mol 0.658472 0.60362 0.53263 0.568762 0.498069 0.540986 yield of H2O on food
Y_OX mol/mol -0.901369 -0.826284 -0.729107 -0.778567 -0.681798 -0.740546 yield of O2 on food
Y_NX mol/mol 0.0621634 0.0569851 0.0502832 0.0536943 0.0470205 0.0510721 yield of N-waste on food
mu_TX J/mol 431928 395374 347941 371987 324633 353257 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