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Herbivores and Algae: Food Utilization, Growth and Reproduction ...
Symbol Defmition
Ii
Asymptotic, population specific death rate
t5'
Specific death rate in a food-sufficient population
&
Food carbon assimilation efficiency
&
Maximum food carbon assimilation efficiency
E
g
g'
h
I
/'
/' ,
Accumulated egg carbon production
Egg carbon production during ins tar i
Specific net assimilation rate
Specific net assimilation rate in neonates
Specific net assimilation rate during instar i
Net assimilation rate on optimally composed food
Specific molting loss rate
Specific food ingestion rate
Maximum specific ingestion rate at saturating food
Maximum specific ingestion rate in neonates
K' 2
Maximum net growth efficiency
/(x)
Fraction of individuals surviving to age x
(survival function)
/'(x)
Survival function for aberrant individuals
i (x)
Composite survival function
A.'
m (x)
TJo
TJ'
()
Intrinsic rate of population increase
(asymptotic net growth rate)
Maximum intrinsic rate of population increase
Body mass lost through molting at the end of instar i
Maternity rate (maternity function)
Instantaneous mortality rate (force of mortality)
Instantaneous mortality rate at age 0
Instantaneous mortality rate in aberrant individuals
P content of animals
Dimension
j.lgC
j.lgC
dat'
dat'
dat'
day"
dat'
dat'
day"
day"
j.lgC
dat'
dat'
dat'
day"
(j.lg P) (mg cr'