Crassostrea virginica: Population traits

at T = 20 °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: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.0910266 0.0947161 0.547358 0.547358 1 1 scaled functional response
r 1/d 0 0 0.0214964 0.00368194 0.0384201 0.00640908 spec pop growth rate
t2 d NaN NaN 32.2448 188.256 18.0413 108.151 population doubling time
a_b d 3.29633 3.27789 2.50271 2.50271 2.26112 2.26112 age at birth
t_j d 148.397 142.393 25.2359 25.2359 14.6386 14.6386 time since birth at metam
t_p d 15730.1 7624.29 486.551 486.551 271.957 271.957 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.911718 1 0.669317 1 0.534836 survival probability at metam
S_p - 0.999973 0.0180431 0.999999 0.0174489 1 0.0173977 survival probability at puberty
theta_0b - 0.00035463 0.0793017 0.0517607 0.284268 0.0823418 0.383351 frac of ind that is embryo
theta_bj - 0.000361077 0.0771001 0.0496668 0.235039 0.0763547 0.2844 frac of ind between b and j
theta_jp - 0.015894 0.780477 0.347358 0.451678 0.318393 0.307521 frac of ind between j and p
theta_pi - 0.98339 0.0631213 0.551214 0.0290142 0.52291 0.0247282 frac of ind that is adult
L_bi cm 0.527461 0.029512 0.0891498 0.0187882 0.0865811 0.0187212 mean structural length of post-natals
L2_bi cm^2 0.304205 0.00712865 0.0166369 0.00136132 0.0158778 0.00135036 mean squared structural length of post-natals
L3_bi cm^3 0.181161 0.00384926 0.00468449 0.000624305 0.00444992 0.000649976 mean cubed structural length of post-natals
Ww_bi g 0.185299 0.00394075 0.00532792 0.000710055 0.00556658 0.00081308 mean wet weight of post-natals
L_pi cm 0.535817 0.228092 0.138327 0.112683 0.136209 0.112036 mean structural length of adults
L2_pi cm^2 0.309224 0.100622 0.0282572 0.0277955 0.0274849 0.0278205 mean squared structural length of adults
L3_pi cm^3 0.184155 0.0560822 0.00804872 0.0152912 0.00779887 0.0160979 mean cubed structural length of adults
Ww_pi g 0.188362 0.0574151 0.00915424 0.0173915 0.00975591 0.0201374 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.000762323 1.8284e-05 0.000252612 1.88526e-05 0.000440746 3.41663e-05 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 0.398633 0.121928 0.387902 0.121926 yield of living structure on food
Y_VX_d mol/mol 0.0371315 0.0864398 5.80094e-06 0.262174 1.70701e-06 0.261237 yield of dead structure on food
Y_EX mol/mol 0 0 0.0547537 0.0167472 0.0973397 0.0305959 yield of living reserve on food
Y_EX_d mol/mol 0.000848162 0.0020545 7.9678e-07 0.0360105 4.28355e-07 0.0655546 yield of dead reserve on food
Y_CX mol/mol 0.852645 0.802131 0.437231 0.453766 0.405381 0.411312 yield of CO2 on food
Y_HX mol/mol 0.618642 0.58199 0.317236 0.329232 0.294127 0.29843 yield of H2O on food
Y_OX mol/mol -0.927252 -0.872317 -0.475489 -0.49347 -0.440852 -0.447302 yield of O2 on food
Y_NX mol/mol 0.127897 0.12032 0.0655847 0.0680649 0.0608072 0.0616968 yield of N-waste on food
mu_TX J/mol 453468 428150 243065 251432 225011 228036 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