Carcharhinus melanopterus: Population traits

at T = 27.4 °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 stf f_minf f_max date: 2023/03/16
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.40821 0.549582 0.774791 0.774791 1 1 scaled functional response
r 1/d 0 0 0.000649329 0.000106866 0.000863301 0.000159256 spec pop growth rate
t2 d NaN NaN 1067.48 6486.15 802.903 4352.4 population doubling time
a_b d 331.809 331.809 331.809 331.809 331.809 331.809 age at birth
t_p d 1525.31 903.458 617.929 617.929 502.001 502.001 time since birth at puberty
S_b - 0.999868 0.999868 0.999869 0.999869 0.99987 0.99987 survival probability at birth
S_p - 0.999 0.704175 0.999162 0.594159 0.999213 0.526164 survival probability at puberty
theta_0b - 0.0518843 0.131922 0.199661 0.226541 0.252204 0.291315 frac of ind that is embryo
theta_bp - 0.0518625 0.110093 0.160904 0.16761 0.189321 0.199474 fraction of individuals that is juvenile
theta_pi - 0.896253 0.757985 0.639435 0.605849 0.558475 0.509211 frac of ind that is adult
L_bi cm 9.51837 11.3423 12.1687 12.9605 12.8876 13.8907 mean structural length of post-natals
L2_bi cm^2 91.5321 133.941 159.935 185.226 185.022 224.431 mean squared structural length of post-natals
L3_bi cm^3 887.896 1632.75 2244.59 2855.46 2918.01 4080.58 mean cubed structural length of post-natals
Ww_bi g 1489.52 3122.22 5131.28 6527.78 7761.58 10853.9 mean wet weight of post-natals
L_pi cm 9.65978 11.9255 13.2958 14.4343 14.5646 16.2552 mean structural length of adults
L2_pi cm^2 93.93 145.577 185.217 220.259 226.188 287.972 mean squared structural length of adults
L3_pi cm^3 918.733 1812.33 2693.08 3520.3 3733.16 5484.31 mean cubed structural length of adults
Ww_pi g 1541.25 3465.61 6156.55 8047.63 9929.79 14587.7 mean wet weight of adults
R 1/d 0.000359618 0.00108115 0.00177019 0.00227461 0.00243405 0.00342227 mean reproduction rate of adults
J_X g/d 4.92238 9.69759 16.3247 18.9063 24.3748 29.5666 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 0.0892805 0.0161402 0.103349 0.0219795 yield of living structure on food
Y_VX_d mol/mol 0.0358676 0.0582364 0.00704239 0.0613461 0.00425049 0.0631196 yield of dead structure on food
Y_EX mol/mol 0 0 0.114821 0.0207574 0.171549 0.0364835 yield of living reserve on food
Y_EX_d mol/mol 0.0243033 0.0531259 0.00905698 0.0788951 0.00705535 0.104772 yield of dead reserve on food
Y_CX mol/mol 0.76817 0.720818 0.620143 0.659975 0.55909 0.614451 yield of CO2 on food
Y_HX mol/mol 0.65975 0.619081 0.532615 0.566825 0.480179 0.527726 yield of H2O on food
Y_OX mol/mol -0.903119 -0.847448 -0.729087 -0.775916 -0.657308 -0.722395 yield of O2 on food
Y_NX mol/mol 0.0622841 0.0584447 0.0502818 0.0535115 0.0453316 0.0498203 yield of N-waste on food
mu_TX J/mol 433601 407032 350071 372420 314937 346182 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