Unscaled_nuts {ATNr}R Documentation

Store parameters and functions associated to the unscaled version of ATN including nutrient dynamics

Description

Type the name of the class to see its methods

Fields

nb_s

Total number of species

nb_b

Number of basal species

nb_n

Number of nutrient pool

c

double: interference competition

b

Matrix of attack rates (dim = number of species * number of consumers)

h

Matrix of handling times (dim = number of species * number of consumers)

X

vector of metabolic rates (length = number of species)

K

matrix of plant nutrient efficiencies (dim = number of nutrients * number of plants)

V

matrix of plant relative nutrient content (dim = number of nutrients * number of plants)

S

Vector of maximum nutrient concentration (length = number of plants)

r

Vector of maximum growth rate of plant species (length = number of plant species)

e

Vector of assimilation efficiencies (length = number of species)

BM

Vector of body masses (length = number of species)

dB

Vector of local derivatives (length = number of species)

fw

Adjacency matrix of the food-web (dim = number of species * number of species)

w

Matrix of relative consumption rates (dim = number of species * number of consumers)

F

Matrix of per-capita feeding rates (dim = number of species * number of consumers)

q

hill exponent for the type of functional response

ext

Extinction threshold for species

ODE

Calculate the derivatives for the scaled version of the ATN model

  • Parameter: bioms - Local species biomasses

  • Parameter: t - Integration time point

  • Returns a vector of growth rate for each species at time t


[Package ATNr version 1.1.0 Index]