Urobatis halleri: Population traits

at T = 23.6 °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: 2024/06/08
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.629078 0.629078 0.989649 0.989649 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00100819 0.00100819 4.77849e-06 4.77849e-06 spec pop growth rate
t2 d NaN NaN NaN NaN 687.517 687.517 145056 145056 population doubling time
a_b d 106.64 105.782 99.0187 98.2911 98.8584 98.1339 98.8584 98.1339 age at birth
t_p d 1714.56 1250.27 635.179 551.891 626.2 544.726 626.2 544.726 time since birth at puberty
S_b - 0.999987 0.999988 0.999989 0.99999 0.999989 0.99999 0.999989 0.99999 survival probability at birth
S_p - 0.999916 0.999923 0.575369 0.56421 0.999938 0.999943 0.572906 0.561805 survival probability at puberty
theta_0b - 0.0186947 0.0181932 0.141231 0.147095 0.096155 0.09541 0.143995 0.149937 frac of ind that is embryo
theta_bp - 0.0187117 0.0182089 0.106648 0.109985 0.0870802 0.0864669 0.108451 0.111819 fraction of individuals that is juvenile
theta_pi - 0.962594 0.963598 0.752121 0.74292 0.816765 0.818123 0.747554 0.738244 frac of ind that is adult
L_bi cm 6.68733 6.99926 8.32506 8.59782 7.39995 7.6593 8.35181 8.62274 mean structural length of post-natals
L2_bi cm^2 45.7314 50.1618 78.9934 85.0888 61.2375 65.9772 79.7601 85.8767 mean squared structural length of post-natals
L3_bi cm^3 317.302 364.941 804.965 907.835 547.756 616.091 819.458 923.726 mean cubed structural length of post-natals
Ww_bi g 438.896 511.606 1290.24 1481.8 881.427 1009.68 1318.64 1513.85 mean wet weight of post-natals
L_pi cm 6.75646 7.07201 9.04158 9.38383 7.83596 8.11686 9.08826 9.43015 mean structural length of adults
L2_pi cm^2 46.4293 50.9217 88.6667 96.0737 66.5906 71.7703 89.7648 97.2311 mean squared structural length of adults
L3_pi cm^3 322.869 371.241 914.044 1036.86 602.214 677.223 933.143 1058.12 mean cubed structural length of adults
Ww_pi g 446.595 520.439 1465.08 1692.41 969.059 1109.87 1501.58 1734.11 mean wet weight of adults
R 1/d 0.000245113 0.000731619 0.00376151 0.00458858 0.00228927 0.00290668 0.00386842 0.00470416 mean reproduction rate of adults
J_X g/d 2.63571 3.03196 7.16227 8.09096 5.61043 6.33929 7.30743 8.25129 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 0.0984312 0.097982 0.000535862 0.000534949 yield of living structure on food
Y_VX_d mol/mol 0.0260289 0.0255946 0.0537319 0.0532236 0.00341633 0.0032623 0.053884 0.0533749 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0599605 0.062596 0.000326426 0.000341753 yield of living reserve on food
Y_EX_d mol/mol 0.00997454 0.0102861 0.0323926 0.03365 0.0020811 0.00208412 0.032824 0.0340986 yield of dead reserve on food
Y_CX mol/mol 0.790525 0.790638 0.744163 0.74347 0.672231 0.670348 0.742826 0.742104 yield of CO2 on food
Y_HX mol/mol 0.678949 0.679047 0.639131 0.638536 0.577351 0.575734 0.637982 0.637363 yield of H2O on food
Y_OX mol/mol -0.929401 -0.929534 -0.874894 -0.87408 -0.790325 -0.788112 -0.873322 -0.872474 yield of O2 on food
Y_NX mol/mol 0.0640966 0.0641058 0.0603375 0.0602814 0.0545052 0.0543525 0.0602291 0.0601706 yield of N-waste on food
mu_TX J/mol 446180 446224 420457 420026 380804 379673 419709 419262 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