NZGBS 2018 | trend analysis methods

This report summarises the data editing, analysis and interpretation protocols for State of NZ Garden Birds 2018 | Te Āhua o ngā Manu o te Kāri i Aotearoa, which are as follows: • editing the raw bird count data ready for analysis • calculating changes in bird counts over the last 10-year and 5-year periods for a subset of widespread garden birds at national, regional and local scales • using a standardised set of criteria to help the user interpret the results and readily identify changes of potential concern or interest.

Data and Resources

Additional Info

Field Value
Authors MacLeod, Catriona J.
Howard, Simon
Gormley, Andrew M
Spurr, Eric B.
Maintainer Catriona MacLeod
Last Updated June 3, 2021, 08:56 (NZST)
Created June 12, 2019, 20:08 (NZST)
Publisher Landcare Research NZ Ltd
Publication Year 2019
Start Date 2008
End Date 2018