Hippocampus guttulatus: Population traits

at T = 18.6 °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: 2025/02/09
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.504286 0.571431 0.785716 0.785716 1 1 scaled functional response
r 1/d 0 0 0.00502521 0.000896502 0.0071643 0.00138387 spec pop growth rate
t2 d NaN NaN 137.934 773.168 96.7502 500.875 population doubling time
a_b d 30.7315 30.087 28.5258 28.5258 27.4214 27.4214 age at birth
t_j d 108.162 95.2138 70.3146 70.3146 56.9734 56.9734 time since birth at metam
t_p d 3339.2 1795.36 950.498 950.498 689.594 689.594 time since birth at puberty
S_b - 0.999983 0.999984 0.999986 0.999986 0.999987 0.999987 survival probability at birth
S_j - 0.9999 0.555525 0.999924 0.465206 0.999934 0.400655 survival probability at metam
S_p - 0.999476 0.155609 0.999773 0.151617 0.999846 0.14951 survival probability at puberty
theta_0b - 0.0116218 0.280238 0.13368 0.385117 0.17837 0.43954 frac of ind that is embryo
theta_bj - 0.0116387 0.212179 0.115954 0.263072 0.146689 0.278368 frac of ind between b and j
theta_jp - 0.0293175 0.190894 0.142481 0.149744 0.128926 0.112187 frac of ind between j and p
theta_pi - 0.947422 0.316689 0.607884 0.202066 0.546016 0.169906 frac of ind that is adult
L_bi cm 0.822171 0.36803 0.415389 0.279716 0.391337 0.263853 mean structural length of post-natals
L2_bi cm^2 0.744671 0.250049 0.243972 0.156652 0.221963 0.142791 mean squared structural length of post-natals
L3_bi cm^3 0.704975 0.229806 0.181423 0.147134 0.164869 0.142425 mean cubed structural length of post-natals
Ww_bi g 0.897322 0.300855 0.258548 0.209682 0.25407 0.219484 mean wet weight of post-natals
L_pi cm 0.85078 0.649875 0.524438 0.551494 0.508636 0.532727 mean structural length of adults
L2_pi cm^2 0.775715 0.540134 0.336605 0.431385 0.320818 0.419888 mean squared structural length of adults
L3_pi cm^3 0.735255 0.517907 0.256674 0.440652 0.245853 0.461812 mean cubed structural length of adults
Ww_pi g 0.935864 0.678029 0.365789 0.627978 0.37887 0.711674 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.00877494 0.00330858 0.00450796 0.00283656 0.00523476 0.00329224 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 0.20224 0.0465021 0.22564 0.0598675 yield of living structure on food
Y_VX_d mol/mol 0.0481266 0.098549 0.00167829 0.122001 0.000797131 0.134018 yield of dead structure on food
Y_EX mol/mol 0 0 0.085974 0.0197684 0.122082 0.0323911 yield of living reserve on food
Y_EX_d mol/mol 0.013131 0.0304685 0.000713457 0.0518637 0.000431285 0.0725101 yield of dead reserve on food
Y_CX mol/mol 0.829367 0.761608 0.600019 0.65049 0.541675 0.591838 yield of CO2 on food
Y_HX mol/mol 0.596684 0.547934 0.431681 0.467991 0.389705 0.425795 yield of H2O on food
Y_OX mol/mol -0.901937 -0.828248 -0.652521 -0.707407 -0.589072 -0.643624 yield of O2 on food
Y_NX mol/mol 0.124405 0.114241 0.0900029 0.0975734 0.0812513 0.0887757 yield of N-waste on food
mu_TX J/mol 441215 406468 322863 348851 291900 317861 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