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Pure Salt Tamatea

Long Island Tamatea Dusky Sound
Photo Credit: Pure Salt

The vision: Tamatea Dusky Sound Restoration

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The vision is for Tamatea/Dusky Sound to be one of the most intact ecosystems on Earth, and New Zealand’s largest ‘bio bank’ – a source of endangered native species that can be sent to pest free locations throughout the country.

Overall the Tamatea/Dusky Sound restoration plan has been developed by DOC with the ambitious goals of eradicating pests, re-introducing missing species and filling biodiversity information gaps in the area. The project area includes Breaksea Sound, Acheron Passage, Wet Jacket Arm, and Dusky Sound itself, including over 700 islands, including New Zealand’s fifth largest island, Resolution Island.

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Long Island Tamatea Dusky Sound
Long Island Tamatea Dusky Sound

Long Island

The Long Island project aims to protect vulnerable native species on the Island by addressing the main problem, damaging non-native predators, such as stoats and rats. In practical terms, Pure Salt’s goal is to reduce this predator population to undetectable levels to enable future translocations of missing species.

The project is an important strategic initiative as it will not only help to bring about a thriving island from fast decline, it will also support the protection and flourishing of its wider landscape – a key catalyst for wider conservation and environmental impact. Pure Salt have developed this project in collaboration with the Department of Conservation to ensure all work in the region is delivered with a co-ordinated and joined up vision for long term protection of one of our country’s greatest natural landscapes.
Sam tracking credit Pure Salt
Sam tracking credit Pure Salt
Setting Cliff Predator Traps
Setting Cliff Predator Traps

Indian Island / Mamaku Restoration Project

Pure Salt has initiated a project to remove rats from Indian Island/Mamaku in Dusky Sound in order to protect vulnerable native species on the Island as well as to reduce the risk of rats swimming to nearby rat-free Islands.

Indian Island was previously declared predator free. However, it was reinvaded by rats in 2015/16. Pure Salt’s goal is reduce the rat population to undetectable levels to enable future translocations of native species and play it’s part in the overall restoration. The work is being done using a grid network of GoodNature A24 self re-setting traps on an approximate 100 x 100 grid across the island.

Since 2018, over 17km of tracklines have been cut in order to establish and maintain the trap network required to achieve this goal. The results have been impressive with monitoring consistently showing that rat numbers have dropped below the threshold for translocations – an exciting milestone.
Credit - Pure Salt
pure salt aerial shot
Credit - Pure Salt
pure salt aerial shot
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