Saturday, August 8, 2020

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NZ Bird Atlas Scheme

Birds New Zealand is embarking on an ambitious five year project to map the distribution and abundance of all of the countries birds – The New Zealand Bird Atlas. The data collection period of the project will run from June 1st 2019 to May 31st 2024

This will be the first snapshot of the status of all our bird species for twenty years. This will build on the legacy of the Societies two previous bird mapping projects, The Bird Distribution of New Zealand, in which members mapped the distribution of the countries birds. However, with recent advances in computer modelling the current New Zealand Bird Atlas will utilise this and develop occupancy maps for individual species. These “heat maps” will produce a more realistic visualisation of the current distribution and abundance of each species. In our previous projects this new modelling and mapping technology wasn’t available and will be a significant advance in this Atlas.

Society members, friends and family will be encouraged to cover the entire country recording all the birds they encounter. Records will be collected on the Society’s internet based bird recording scheme – eBird. The atlas will have a dedicated eBird portal and mobile phone app so participants can record sightings directly in the field. Further the use of a web based recording scheme will mean that real time updates are available. Both of search effort, and bird distribution maps. This will mean participants can track the projects progress, and explore their favourite species current distribution. This advancement of previous Atlas projects will also mean members will be readily be able to check for Atlas squares which have not be covered, and plan trips to such squares. Previous paper based recording schemes have meant that such feedback is slow, and has hampered ensuring complete coverage of the country. Again, with improvements in internet technology since the last Atlas, the eBird recording scheme will ensure members will be able to track progress in real time and help to ensure all gaps in coverage are filled.

Unlike previous Atlas projects, when one record sheet per square was requested, participants will be asked to submit a complete checklist for each habitat within a 10 x 10km square. Participants are free to choose where, and when they go birding, and for how long they spend birding. A complete checklist is simply a record of all the birds seen or heard during a specific recorded time period – so the length of observation can be determined by the observer – there is no set time. The only request is that when one moves from one habitat type to another, a new checklist is started. For example when you leave farmland and enter a patch of native forest, you finish one checklist, and start a new one inside the forest; or you leave a residential area and walk along the beach you start a new checklist once on the beach.

During a period of unprecedented change in New Zealand, it is timely to undertake this. Modelling of the previous two Atlas schemes data has shown that many of our endemic and native birds have suffered significantly. With birds retrenching into the more remote back country areas. The reasons for this are varied, but intensive agriculture, urbanisation and climate change are all likely to be involved. At the 2018 Conference and AGM there was widespread interest in the Society become more involved in conservation issues. The New Zealand Bird Atlas gives members a chance to be involved in the country’s most significant conservation project for our birds. The results of New Zealand Bird Atlas will have a lasting impact on of birds, and will shape bird conservation for the next 20 years!

For more information visit the New Zealand Bird Atlas website and social media for the latest news and updates. But above all, get out into your favourite birding locations and start submitting Atlas checklists on eBird!