Estimating the viability of a reintroduced New Zealand robin population as a function of predator control

Article Abstract:

The level of predator control needed for a reintroduced population of North Island robins (Petroica longipes) to grow is assessed, accounting for uncertainty associated with parameter estimation, model structure, and demographic stochasticity. A simulation model incorporating relationships between vital rates of the robin population and rat tracking rate estimated from 5 years of data, is created.

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Modeling vital rates of a reintroduced New Zealand robin population as a function of predator control

Article Abstract:

North Island robins (Petroica longipes) were monitored for 5 years after reintroduction to Paengaroa Mainland Island and rat level's changed dramatically over the period owing to changes in management policy. The resulting data is used to model how vital rates varied with rat tracking, using Akaike's Information Criterion to compare alternative models for each vital rate.

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An experiment testing whether condition survival is limited by food supply in a reintroduced Hihi population

Article Abstract:

Hihi (Stitchbird, Notiomystis cincta) is an endemic New Zealand honeybeater that after European colonization survived on only one offshore island. An experiment shows that decline of reintroduced Hihi populations is not related to food supply.

Birds, Protection of, Bird conservation, Survival after airplane accidents, shipwrecks, etc., Survival

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