ecorest (version 2.0.1)

HSImin: Habitat Suitability Index with Minimum

Description

HSImin uses the minimum of given suitability indices to calculate an overarching habitat suitability index.

Usage

HSImin(x)

Value

A value of habitat quality from 0 to 1 ignoring NA values.

Arguments

x

a vector of suitability indices

References

US Fish and Wildlife Service. (1980). Habitat as a basis for environmental assessment. Ecological Services Manual, 101.

US Fish and Wildlife Service. (1980). Habitat Evaluation Procedures (HEP). Ecological Services Manual, 102.

US Fish and Wildlife Service. (1981). Standards for the Development of Habitat Suitability Index Models. Ecological Services Manual, 103.

Examples

#Determine patch quality based on a vector of four suitability indices.
HSImin(c(0.1, 0.25, 0.25, 0.25))

#Determine patch quality based on a vector of suitability indices with an NA.
HSImin(c(0.1, 0.25, NA, 0.25))

#Demonstrate error message associated with out of range outcomes.
HSImin(c(2, 4, NA, 3))