schneider {ATNr} | R Documentation |
Default parameters as in Schneider et al. (2016)
Description
A dataset containing the default parameters as in the Schneider et al. (2016)
and used to parametrize the default models. See also
create_model_Unscaled_nuts
, create_Lmatrix
,
initialise_default_Unscaled_nuts
.
Usage
schneider
Format
A list with the default parameters:
- Temperature
ambient temperature in Celsius
- T.K
default temperature, 20 degree Celsius in Kelvin
- k
Boltzmann's constant
- T0
20 degree Celsius in Kelvin, used to estimate scaling law of metabolic rates
- q
Hill's exponent of the functional response
- Ropt
consumer/resource optimal body mass ratio
- gamma
shape of the Ricker function
- mu_c
average predator interference
- sd_c
standard deviation of predator interference
- E.c
Activation energy for interference
- h0
scaling constant of the power-law of handling time with consumer and resource body mass
- hpred
exponent associated to predator body mass for the allometric scaling of handling time
- hprey
exponent associated to prey body mass for the allometric scaling of handling time
- E.h
Activation energy for handling time
- b0
normalisation constant for capture coefficient
- bprey
exponent associated to prey body mass for the allometric scaling of capture coefficient
- bpred
exponent associated to predator body mass for the allometric scaling of capture coefficient
- E.b
Activation energy for capture coefficient
- e_P
Assimilation efficiency associated to the consumption of a plant species
- e_A
Assimilation efficiency associated to the consumption of an animal species
- x_P
scaling constant of the power-law of metabolic demand per unit of plant biomass
- x_A
scaling constant of the power-law of metabolic demand per unit of animal biomass
- E.x
Activation energy for metabolic rates
- expX
TBD
- D
turnover rate of nutrients
- nut_up_min
Minimum uptake efficiency of plants
- nut_up_max
Maximum uptake efficiency of plants
- mu_nut
Average maximum nutrient concentration
- sd_nut
standard deviation of maximum nutrient concentration
- v
relative content of nutrient 1 in plant biomass
References
Schneider, F. D., Brose, U., Rall, B. C., & Guill, C. (2016). Animal diversity and ecosystem functioning in dynamic food webs. Nature Communications, 7(1), 1-8.