Kezia Barker Birkbeck, University of London

k.barker@bbk.ac.uk

‘… the collection, collation, analysis,

interpretation and timely dissemination of

information on the presence, distribution

or prevalence of pests or diseases and the

animals or plants they affect.’

‘Every person is under a duty to inform the

Ministry, as soon as practical in the

circumstances, of the presence of what

appears to be an organism not normally

seen or otherwise detected in New

Zealand.’

‘Your obligations under section

44 are fulfilled by phoning the

MAF 0800 80 99 66 hotline’

Sensitivity: the ability to detect an organism (positive result) when present.

Specificity: a measure of false positives; the correlation of overall reports with positive detections.

Hellstrom 2008