Sphyraena sphyraena: Population traits

at T = 18.3 °C with background hazards for embryo, larva, juv, adult: 0, 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 abj f_minf f_max date: 2024/05/12
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.141279 0.141279 0.570639 0.570639 1 1 scaled functional response
r 1/d 0 0 0.0193584 0.00429201 0.0228767 0.0045767 spec pop growth rate
t2 d NaN NaN 35.8061 161.497 30.2992 151.451 population doubling time
a_b d 9.36417 9.36417 8.02423 8.02423 7.74761 7.74761 age at birth
t_j d 6.45795 6.45795 3.26234 3.26234 2.81888 2.81888 time since birth at metam
t_p d 2045.41 2045.41 430.167 430.167 351.308 351.308 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.405704 1 0.401426 1 0.400906 survival probability at metam
S_p - 1 0.314957 1 0.19275 1 0.17083 survival probability at puberty
theta_0b - 0.00185774 0.362383 0.14363 0.579547 0.162166 0.606592 frac of ind that is embryo
theta_bj - 0.00128387 0.164982 0.0524107 0.151294 0.0523242 0.141618 frac of ind between b and j
theta_jp - 0.000577771 0.0402827 0.0707981 0.0920643 0.0837583 0.0971698 frac of ind between j and p
theta_pi - 0.996281 0.432352 0.733161 0.177095 0.701751 0.15462 frac of ind that is adult
L_bi cm 1.78262 0.517106 0.41303 0.177379 0.413109 0.17959 mean structural length of post-natals
L2_bi cm^2 3.33333 0.740896 0.288279 0.0959075 0.29303 0.104164 mean squared structural length of post-natals
L3_bi cm^3 6.34644 1.32044 0.286866 0.138942 0.301502 0.174795 mean cubed structural length of post-natals
Ww_bi g 12.6 2.62155 1.42858 0.691927 2.40435 1.39392 mean wet weight of post-natals
L_pi cm 1.78581 0.730019 0.468506 0.316894 0.476508 0.336865 mean structural length of adults
L2_pi cm^2 3.33955 1.09037 0.335525 0.219474 0.34835 0.255241 mean squared structural length of adults
L3_pi cm^3 6.3583 1.94717 0.334968 0.329196 0.359827 0.443903 mean cubed structural length of adults
Ww_pi g 12.6235 3.86584 1.66813 1.63938 2.86947 3.53994 mean wet weight of adults
R 1/d 2.69782 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.13683 0.0304066 0.0479605 0.0159204 0.0854689 0.0303196 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 0.115788 0.0374576 0.0807003 0.026385 yield of living structure on food
Y_VX_d mol/mol 0.0113075 0.0283963 2.76095e-06 0.0727692 1.31195e-06 0.0514639 yield of dead structure on food
Y_EX mol/mol 0 0 0.460833 0.14908 0.56285 0.184024 yield of living reserve on food
Y_EX_d mol/mol 0.011142 0.0279806 1.09885e-05 0.289619 9.15028e-06 0.358939 yield of dead reserve on food
Y_CX mol/mol 0.868176 0.834248 0.31399 0.341699 0.247064 0.269813 yield of CO2 on food
Y_HX mol/mol 0.624604 0.600195 0.225898 0.245834 0.177749 0.194115 yield of H2O on food
Y_OX mol/mol -0.944141 -0.907245 -0.341464 -0.371598 -0.268682 -0.293421 yield of O2 on food
Y_NX mol/mol 0.130226 0.125137 0.0470984 0.0512549 0.0370596 0.0404719 yield of N-waste on food
mu_TX J/mol 460718 442913 161140 176102 122577 134946 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