Description Usage Arguments Details Value See Also
View source: R/juveniles_BioEnGrowth.R
Function to calculate growth (J/g fish/d) by weight and temperature.
1 | juv_BioEnGrowth(W, T, DSa = 0.125, Fa = 0.15, Ua = 0.11, EDp = 4113)
|
W |
- weight(s) of individual fish |
T |
- temperature(s) |
DSa |
- fraction of assimilated energy lost to specific dynamic action |
Fa |
- fraction of consumed energy lost to egestion |
Ua |
- fraction of assimilated energy lost to execretion |
EDp |
- energy denisty of prey (J/g prey) |
Based on eq.s S1, S2, and S3 in Supplement to Hurst et al. 2018 as corrected by those in Cianelli et al, 1998:
G(W,T) = C(W,T) - [R(W,T) + F(W,T) + U(W,T)] , growth [J/g fish/d]
C(W,T) = C(W,EDp)*fC(T) , consumption [J/g fish/d]
R(W,T) = Ra(W,T) + SDA(W,T) , total respiration [J/g fish/d]
Ra(W,T) = R(W)*fR(T) , non-SDA respiration
F(W,T) = Fa*C , egestion [J/g fish/d]
U(W,T) = Ua*(C-F) , excretion [J/g fish/d]
SDA = DSa*(C-F) , specific dynamic action [J/g fish/d]
dataframe with columns W (weight), T (temperature), G (growth rate), C (consumption rate), R (total respiration rate), F (egestion rate), U (excretion rate), Ra (non-SDA repsiration rate), and SDA (specific dynamic action rate).
Other juvenile bioenergetic functions:
juvBioenergetics_CompareRelationships()
,
juvBioenergetics_PlotRelationships()
,
juv_CT()
,
juv_Ca()
,
juv_GT()
,
juv_MT()
,
juv_Ra()
,
juv_fC()
,
juv_fR()
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