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Phocarctos hookeri | New Zealand Threat Classification System lists - 2005
Hitchmough, R., Bull, L., Cromarty, P (compilers). 2007. New Zealand Threat Classification System lists- 2005. Wellington: New Zealand Department of Conservation.
Affliation of assessor(s)/contributors/reviewers listed on assessment
Government
Assessor affiliation specific
Government
Criteria system specifics
New Zealand Threat Classfication System
Criteria system used
Non-IUCN
Criteria Citation
Molloy, J.; Bell, B.; Clout, M.; de Lange, P.; Gibbs, G.; Given, D.; Norton, D.; Smith, N.; Stephens, T. 2002: Classifying species according to threat of extinction. A system for NewZealand. Threatened species occasional publication 22, 26 p.
Qualifier(s): Conservation Dependent, Human Induced; Note(s): Populations: Figure-of-eight (no observed interchange with other colonies during breeding season) 87 pups produced in 2003/04; northern Auckland islands 2428 pups produced in 2003/04; Campbell Island 358 pups produced in 2002/03. Otago not considered a separate breeding population because founder female tagged on Auckland Island, still breeding and population still extremely small (4 breeding females). Northern Auckland Island colonies are considered a single population because of substantial male interchange and some female interchange. Total population of appro 7,000 mature individuals is extremely low for an otariid. Low diversity of mitochondrial haplotypes and MHC variation. Stable qualifier removed because of recent reduced pup productivity and increased pup mortality (epizootics).