This report updates indicators for non-indigenous species (NIS) with new data compiled since 2016.
Three indicators are reported on as follows:
• time-series information on the presence and/or absence of non-indigenous species in New Zealand waters, and by region
• range expansion and/or decrease for the main selected species
• the abundance and/or prevalence and change in abundance and/or prevalence for the main selected species.
The data is available on our data server.