Package index • ambiR

AMBI functions

Core AMBI functions.

AMBI(): Calculates AMBI, the AZTI Marine Biotic Index
MAMBI(): Calculates M-AMBI, the multivariate AZTI Marine Biotic Index

Benthic quality indices

Other benthic quality index functions, including those derived from AMBI.

Hdash(): Calculates H' the Shannon diversity index
ES(): Calculates ES the Hurlbert diversity index
DKI(): Calculates DKI (v1), the Danish Quality Index
DKI2(): Calculates DKI (v2), the revised Danish Quality Index
NSI(): Calculates NSI, the Norwegian Sensitivity Index
ISI(): Calculates ISI, the Indicator Species Index
NQI1(): Calculates NQI1, the Norwegian Quality Index

Example data

Data included with the package for testing.

test_data: AMBI test dataset
test_data_DK: Danish test dataset
test_data_NO: Norwegian test dataset

Utility functions

Help functions for quality indices.

AMBI_species(): Returns species list for AMBI calculations
H_sal(): Maximum H' as a linear function of salinity
AMBI_sal(): Minimum AMBI as a linear function of salinity
NO_species(): Returns species list used by Norwegian index calculations