actions: Extract Metapop management action details

Description Usage Arguments Value

View source: R/actions.R

Description

Extract management action details from RAMAS Metapop .mp files.

Usage

1
actions(mp)

Arguments

mp

A character string containing the path to a RAMAS Metapop .mp file.

Value

A data.frame containing one row per management action, with columns:

do.action

Logical. Will the action be performed (TRUE) or ignored (FALSE).

action

Factor. The type of action to be performed.

sourcepop

The identity of the source population.

targetpop

The identity of the target population.

start

The timestep at which the action will commence.

end

The timestep at which the action will end.

freq

The frequency of the action, in timestep units.

after.dispersal

Logical. Whether the action will be performed after (TRUE) or before (FALSE) dispersal has taken place.

quantity

Factor. Whether the action affects an absolute number of individuals, or a proportion of the source population.

number

The absolute number of individuals involved in the action.

proportion

The proportion of the source population involved in the action.

fromstage

The lowest stage involved in the action.

tostage

The highest stage involved in the action.

condition

The condition under which the action will be performed.

thr1

If condition is either N<thr1 or N<thr1_and_N>thr2, this is the abundance threshold thr1.

thr2

If condition is either N>thr2 or N<thr1_and_N>thr2, this is the abundance threshold thr2.

unknownfield

Unknown.

linear.to

If condition is linear, this is the upper quantity (absolute number, or proportion, depending on quantity) towards which linear change will move.

linear.lowerN

If condition is linear, this is the abundance at which the quantity affected is equal to number or proportion, depending on the value of quantity.

linear.upperN

If condition is linear, this is the abundance at which the quantity affected is equal to linear.to.

N.comprises.stages

Factor. The stages included in the definition of N, when calculating thr1, thr2, linear.lowerN and linear.upperN.

N.comprises.pops

Factor. The populations included in the definition of N, when calculating thr1, thr2, linear.lowerN and linear.upperN.


mptools documentation built on May 29, 2017, 8:43 p.m.