read_twn: Read and Validate Taxa Waterbeheer Nederland (TWN) Data

In benthos: Marine Benthic Ecosystem Analysis

Read and Validate Taxa Waterbeheer Nederland (TWN) Data

Description

This function reads files in the Taxa Waterbeheer Nederland (TWN) format.

Usage

read_twn(filename)

get_worms()

validate_twn(.data)

Arguments

filename	name of TWN file (character)
.data	table in TWN-format

Details

The function adds a new column taxon. Its contents depending on TWN-status:

status = 10

taxonname

status = 20

prefername

status = 80

parentname

Value

a tibble with four columns:

GROUP

TWN/WoRMS taxon group

LEVEL

TWN/WoRMS taxon level

FROM

taxon name to convert from

TO

taxon name to convert to

Functions

• get_worms(): get default WoRMS list (TWN list extended with species Southern North Sea)

• validate_twn(): validator for TWN-format

References

https://taxainfo.nl/

benthos documentation built on Aug. 8, 2025, 6:08 p.m.