This report describes the results of ongoing population monitoring of New Zealand sea lions at the Auckland islands. This is the final report for the 2009/10 year.
This progress report outlines key findings from the 2009/10 New Zealand sea lion research field trip to the Auckland Islands. A manuscript containing detailed methods and full findings, including work undertaken for this project during 2008/09 and 2007/09, will be produced at a later date.
This work continues annual surveys of the Auckland Island breeding sites of the New Zealand sea lions (Phocarctos hookeri).
The objectives of the project were:
- To collect field data that will allow quantification and estimation of:
- pup production
- survival of previously marked New Zealand sea lions
- reproduction by known-age female New Zealand sea lions
- To maintain and update the New Zealand sea lion database
- To make available field data for relevant modelling work, and
- To characterise at-sea distribution of poorly known age and sex classes of New Zealand sea lions.
Prepared by Dr. Louise Chilvers, Department of Conservation