Introduced pests including stoats, possums, wasps and rodents threaten Rotoiti Mainland Island's native ecosystems.

Stoat with ear tags. Photo: DOC.
Stoats are a threat to the unique
ecosystem of Lake Rotoiti

Honeydew beech forests can support large numbers of native birds: the honeydew scale insect provides an energy source for nectar-feeding birds, and the sporadic and intense beech seed production ("masting") provides food for large numbers of seed-eating birds.

Unfortunately this unique ecosystem has been altered dramatically by introduced deer, possums, cats, rats, mice, stoats, and wasps. The goal is to reduce the numbers of these pests so that the ecological processes of this honeydew beech forest can recover.

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