45 datasets found

Collections: NZ Garden Bird Survey Authors: Spurr, Eric B Tags: region introduced district bird count garden native national

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  • Fuzzy alpha-shapes code

    R and Python code to generate fuzzy alpha-shapes that can be used to map uncertain spatial objects from point samples
  • State of NZ Garden Birds 2021 | 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 past 10- and...
  • State of NZ Garden Birds 2020 | 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 past 10- and...
  • NZGBS 2020 | Trend estimates

    Percent change in counts for 14 garden bird counts for the past 10 years (2010-20) and 5 years (2015-20) at four spatial scales: national, regional (R), territorial authority...
  • NZGBS 2021 | Trend estimates

    Percent change in counts for 14 garden bird counts for the past 10 years (2011-21) and 5 years (2016-21) at four spatial scales: national, regional (R), territorial authority...
  • Graphics | Map outlines

    Sketched graphics depicting map outlines. Graphics produced by C. Mary Brake, Reflection Graphics for the NZ Garden Bird Survey as part of the 'Building Trustworthy Biodiversity...
  • NZGBS 2018 | trend analysis methods

    This report summarises the data editing, analysis and interpretation protocols for State of NZ Garden Birds 2018 - Te Ahua o nga Manu o te Kari i Aotearoa, which are as follows:...
  • 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...
  • State of NZ Garden Birds 2019 | 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 2017 | Trend estimates

    Percent change in counts for 14 garden bird counts for the 10 years (2007-18) at four spatial scales: national, regional (R), urban-rural (U) and area unit (A) as defined by...
  • NZGBS 2019 | Trend estimates

    Percent change in counts for 14 garden bird counts for the last 10 years (2009-19) and 5 years (2014-19) at four spatial scales: national, regional (R), territorial authority...
  • 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...
  • State of NZ Garden Birds 2017 | 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 11...
  • NZ Garden Bird Survey | Logo development

    Process used to select a logo for the NZ Garden Bird Survey. The NZGBS community was invited to vote and comment on eight candidate logo concepts. This work was undertaken as...
  • 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...
  • Graphics | Bird icons | Grey set 1

    Grey icons for some common NZ garden birds with background circles (dark grey for native species; light grey for introduced species). Designed by Fabiola C. Rodriguez Estrada...
  • NZGBS results | engagement 2014-19

    Public and citizen scientist engagement with NZGBS results for the period 2014 to 2019 via the NZGBS webpages, emails, social media or peer review surveys. These data provide...
  • Graphics | Bird icons | Colour set 1

    Colour icons for some common NZ garden birds with background circles (pale blue for native species; pale turquoise for introduced species). Designed by Fabiola C. Rodriguez...
  • NZ native flora growth forms 2020

    Growth form, lifespan, and maximum height of the complete New Zealand native flora according to the Nga Tipu o Aotearoa vascular flora checklist of 2020.
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