Gobius niger: Population traits

at T = 17 °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: 2025/06/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.242323 NaN 0.31827 0.31827 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0134141 0.0134141 0.00158783 0.00158783 spec pop growth rate
t2 d NaN NaN NaN NaN 51.6729 51.6729 436.539 436.539 population doubling time
a_b d 10.2075 NaN 9.75056 NaN 8.16114 7.79512 8.16114 7.79512 age at birth
t_p d 2938.1 NaN 1146.57 NaN 310.327 242.915 310.327 242.915 time since birth at puberty
S_b - 0.999998 NaN 0.999998 NaN 0.999999 0.999999 0.999999 0.999999 survival probability at birth
S_p - 0.999989 NaN 0.654266 NaN 0.999995 0.999997 0.457963 0.409964 survival probability at puberty
theta_0b - 0.0043343 NaN 0.157321 NaN 0.103603 0.0991827 0.335106 0.371608 frac of ind that is embryo
theta_bp - 0.00434359 NaN 0.127426 NaN 0.092975 0.0894512 0.22419 0.2354 fraction of individuals that is juvenile
theta_pi - 0.991322 NaN 0.715253 NaN 0.803422 0.811366 0.440705 0.392992 frac of ind that is adult
L_bi cm 0.41818 NaN 0.220259 NaN 0.225695 0.270126 0.163502 0.170623 mean structural length of post-natals
L2_bi cm^2 0.190669 NaN 0.0917259 NaN 0.0785179 0.116748 0.0750083 0.0934323 mean squared structural length of post-natals
L3_bi cm^3 0.0904297 NaN 0.0497067 NaN 0.0372642 0.0698779 0.0707381 0.115433 mean cubed structural length of post-natals
Ww_bi g 0.107075 NaN 0.0617237 NaN 0.0655704 0.145646 0.124471 0.240595 mean wet weight of post-natals
L_pi cm 0.419797 NaN 0.250615 NaN 0.245382 0.293571 0.219027 0.239409 mean structural length of adults
L2_pi cm^2 0.191494 NaN 0.107623 NaN 0.0872425 0.129249 0.111643 0.147502 mean squared structural length of adults
L3_pi cm^3 0.0908254 NaN 0.0585398 NaN 0.041556 0.0775598 0.106638 0.184467 mean cubed structural length of adults
Ww_pi g 0.107544 NaN 0.0726924 NaN 0.0731222 0.161657 0.187641 0.384482 mean wet weight of adults
R 1/d 0 NaN 0 NaN 0 0.145435 0.0791439 0.25467 mean reproduction rate of adults
J_X g/d 0.000952795 NaN 0.000602019 NaN 0.00161917 0.0034366 0.00154679 0.00275028 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 NaN 0 NaN 0.308719 0.272756 0.0726145 0.0666432 yield of living structure on food
Y_VX_d mol/mol 0.0610944 NaN 0.123564 NaN 0.000288249 0.000178505 0.15543 0.140032 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.234504 0.295745 0.0551583 0.0722603 yield of living reserve on food
Y_EX_d mol/mol 0.0112456 NaN 0.0298727 NaN 0.000218955 0.000193551 0.118066 0.151835 yield of dead reserve on food
Y_CX mol/mol 0.818285 NaN 0.737188 NaN 0.346895 0.321752 0.489356 0.459855 yield of CO2 on food
Y_HX mol/mol 0.588711 NaN 0.530366 NaN 0.249572 0.231483 0.352065 0.33084 yield of H2O on food
Y_OX mol/mol -0.889885 NaN -0.801692 NaN -0.377248 -0.349905 -0.532175 -0.500092 yield of O2 on food
Y_NX mol/mol 0.122743 NaN 0.110578 NaN 0.0520342 0.0482628 0.0734034 0.0689782 yield of N-waste on food
mu_TX J/mol 435768 NaN 394288 NaN 188899 173267 263204 245910 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