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dc.contributor.authorNewman, Jamie
dc.contributor.authorScott, Darren
dc.contributor.authorBragg, Corey
dc.contributor.authorMcKechnie, Sam
dc.contributor.authorMoller, Henrik
dc.contributor.authorFletcher, David
dc.identifier.citationNewman, J., Scott, D., Bragg, C., McKechnie, S., Moller, H., & Fletcher, D. (2009). Estimating regional population size and annual harvest intensity of the sooty shearwater in New Zealand. New Zealand Journal of Zoology, 36(3), 307–323. doi:10.1080/03014220909510157en
dc.description.abstractRecent comprehensive survey data from multiple New Zealand offshore islands were combined with demographic population models to produce the first formal estimate of the total population of sooty shearwaters within New Zealand territory. We estimated the total population over 1994–2005 to be 21.3 (19.0–23.6) million individual birds in the New Zealand region. This population consisted of 12.8 (12.0–13.6) million adults, 2.8 (2.5–3.1) million chicks, and 4.4 (4.2–4.7) million breeding pairs. Breeding sooty shearwaters were concentrated primarily around the southern islands of New Zealand, with 53% breeding in the Titi Islands surrounding Rakiura (Stewart Island). Rakiura Maori muttonbirders were estimated to harvest 360 000 (320 000–400 000) sooty shearwaters per year, equivalent to 18% of the chicks produced in the harvested areas and 13% of chicks in the New Zealand region. Overall, 11% of the chicks within the Titi Islands live on unharvested ground. Systematic and widespread surveys of breeding colonies in South America are needed before a reliable global sooty shearwater population estimate can be calculated.en_NZ
dc.publisherTaylor & Francisen_NZ
dc.relation.ispartofNew Zealand Journal of Zoologyen_NZ
dc.subjectharvest intensityen_NZ
dc.subjectpopulation sizeen_NZ
dc.subjectpopulation structureen_NZ
dc.subjectsooty shearwateren_NZ
dc.titleEstimating regional population size and annual harvest intensity of the sooty shearwater in New Zealanden_NZ
dc.typeJournal Articleen_NZ
otago.schoolCentre for Sustainabilityen_NZ
otago.openaccessAbstract Onlyen_NZ
dc.rights.statement© The Royal Society of New Zealand 2009en_NZ
dc.description.refereedPeer Revieweden_NZ
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