Neogobius caspius: Population traits

at T = 25 °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: 2025/03/28
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.391846 0.391846 0.425789 0.425789 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0117158 0.0117158 0.00204206 0.00204206 spec pop growth rate
t2 d NaN NaN NaN NaN 59.1634 59.1634 339.435 339.435 population doubling time
a_b d 9.19204 8.97677 9.071 8.86143 8.01984 7.8739 8.01984 7.8739 age at birth
t_p d 3678.99 1420.68 1756.97 1170.83 489.285 434.796 489.285 434.796 time since birth at puberty
S_b - 0.999999 0.999999 0.999999 0.999999 1 1 1 1 survival probability at birth
S_p - 0.999996 0.999997 0.562112 0.535809 0.999998 0.999998 0.426993 0.407951 survival probability at puberty
theta_0b - 0.00330152 0.00306319 0.209133 0.228594 0.0895965 0.0880363 0.362078 0.376774 frac of ind that is embryo
theta_bp - 0.00330691 0.00306813 0.15692 0.167456 0.0816579 0.080375 0.233132 0.237215 fraction of individuals that is juvenile
theta_pi - 0.993392 0.993869 0.633946 0.60395 0.828746 0.831589 0.40479 0.386011 frac of ind that is adult
L_bi cm 1.13168 1.31534 0.428958 0.452856 0.428889 0.462489 0.247912 0.252046 mean structural length of post-natals
L2_bi cm^2 1.38449 1.8712 0.402755 0.486828 0.288181 0.340187 0.168637 0.183439 mean squared structural length of post-natals
L3_bi cm^3 1.74961 2.74891 0.493136 0.692617 0.26198 0.340778 0.240542 0.291032 mean cubed structural length of post-natals
Ww_bi g 2.43681 4.00245 0.703604 1.03582 0.524578 0.737359 0.481651 0.62972 mean wet weight of post-natals
L_pi cm 1.13518 1.31915 0.515073 0.55568 0.462385 0.498474 0.340854 0.353183 mean structural length of adults
L2_pi cm^2 1.38907 1.87695 0.500811 0.61993 0.315785 0.372268 0.261382 0.291387 mean squared structural length of adults
L3_pi cm^3 1.75543 2.7574 0.615068 0.884501 0.287721 0.373641 0.378687 0.469446 mean cubed structural length of adults
Ww_pi g 2.44491 4.01481 0.877574 1.32278 0.576121 0.808466 0.758268 1.01577 mean wet weight of adults
R 1/d 0 0.408456 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0228294 0.035823 0.00721647 0.0101274 0.012127 0.0166205 0.00709646 0.00896228 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 0.253097 0.240214 0.0692177 0.0663117 yield of living structure on food
Y_VX_d mol/mol 0.039287 0.0372923 0.0854317 0.0815448 0.000165202 0.000135076 0.137067 0.131263 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.253694 0.27955 0.069381 0.0771704 yield of living reserve on food
Y_EX_d mol/mol 0.0154308 0.0170057 0.0364617 0.0404065 0.000165592 0.000157195 0.13739 0.152758 yield of dead reserve on food
Y_CX mol/mol 0.835907 0.836327 0.768732 0.768674 0.383504 0.370568 0.477569 0.463122 yield of CO2 on food
Y_HX mol/mol 0.601389 0.601691 0.55306 0.553018 0.275909 0.266603 0.343584 0.333191 yield of H2O on food
Y_OX mol/mol -0.909049 -0.909506 -0.835996 -0.835933 -0.41706 -0.402993 -0.519356 -0.503645 yield of O2 on food
Y_NX mol/mol 0.125386 0.125449 0.11531 0.115301 0.0575255 0.0555852 0.0716354 0.0694683 yield of N-waste on food
mu_TX J/mol 444370 444501 409730 409504 206246 198486 255633 247252 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