7 datasets found

Authors: Spurr, Eric B

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  • NZGBS 2018 | participation trends

    This report summarises spatial coverage and trends in participation in the NZ Garden Bird Survey (NZGBS) 2007 to 2018 based on garden-survey records only. It then explores the...
  • NZGBS 2018 | Trend estimates

    Percent change in counts for 14 garden bird counts for the last 10 years (2008-18) and 5 years (2013-18) at four spatial scales: national, regional (R), territorial authority...
  • State of NZ Garden Birds 2018 | Reports

    Birds act as 'backyard barometers' - telling us about the health of the environment we live in. They are signalling significant changes in our environment over the last 10 and...
  • NZGBS 2018 | Barplots | Urban Rural

    Changes in NZ Garden Bird counts for 14 common garden birds for urban rural areas for the last 10 years (2008 to 2018) and last 5 years (2013 to 2018). Barplots are only...
  • NZGBS 2018 | Barplots | Maps | By species

    Changes in garden bird counts for 14 common birds at the national, regional and territorial authority scales for the last 10 years (2008 to 2018) and last 5 years (2013 to...
  • NZGBS 2017 | trend analysis methods

    This report summarises the protocols for producing the State of NZ Garden Birds 2017 | Te Āhua o ngā Manu o te Kāri i Aotearoa, which are as follows: (1) Securing the legacy of...
  • NZGBS 2018 | Species maps for regions

    Individual maps for each species in each region showing percent change in garden bird counts for two periods: last 10 years (2008-18) and last 5 years (2013-18). Maps show...
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