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Leopard seal on Gisborne beach

A leopard seal, which normally lives in Antarctica, has swum all the way to Gisborne and has decided to stay there a while for a rest. Leopard seals are a protected species and have made trips north fairly frequently in recent times, including times spent around Auckland and at Mahia Peninsula.

If you go see it or happen to come across one, make sure you keep a distance (20m is recommended) as they can move fast and have a nasty bite.

To see a photo and/or read the full story go to this article in the Gisborne Herald.

Long-lost plant to bring life back to Canterbury's coastal lakes

Ruppia megacarpa. Photo: NIWARuppia megacarpa. Photo: NIWAThe coastal lakes of Canterbury used to be important mahinga kai sites for Māori. Some are now the most polluted lakes in the country.

NIWA has undertaken significant research at the lakes over the last 20 years. In order to improve the lakes one of the plants that they want to bring back is horse’s mane (Ruppia megacarpa), which was last seen there in the 1980s. 17 hapua and coastal lagoons were surveyed earlier this year by NIWA freshwater ecologists Paul Champion and Mary de Winton. Finally, on the last day of their search, they found Ruppia. It is hoped that this plant will be able to be used to improve the quality of the lakes.

Ruppia species occur in China, Japan, Korea and Russia and it is thought to be linked to migratory birds. A visiting Chinese scientist, Dr Yu Cao, is researching how to best germinate Ruppia seed, so that it can be used in restoration projects.

Read the full story.

Key priorities for the future of marine science in NZ

The NZ marine science community came together recently to collaboratively identify the top ten priority research questions for the future of marine science in New Zealand across nine themes:

  1. fisheries and aquaculture,
  2. biosecurity,
  3. climate change,
  4. marine reserves and protected areas,
  5. ecosystems and biodiversity,
  6. policy and decision-making,
  7. marine guardianship (kaitiakitanga),
  8. coastal and ocean processes, and
  9. other anthropogenic factors.

These priority questions can be used to develop new areas of research, complement existing marine science activities, and encourage new opportunities for collaboration. In doing so, these questions can be used to bridge significant knowledge gaps and provide important new insights that will support the country’s progress towards effective marine conservation and management to deliver greater environmental, social, economic, and cultural benefits for the future of NZ seas and society.

You can access the paper and policy brief here:

1. Paper: Key priorities for the future of marine science in New Zealand

2. Policy Brief

Sydney golden wattle targeted by bio-control agents

Photo: John Smith-Dodsworth/NZ Plant Conservation NetworkPhoto: John Smith-Dodsworth/NZ Plant Conservation NetworkLandcare Research/Manaaki Whenua reported on the potential release of bio-control agents to combat the invasive Sydney golden wattle (Acacia longifolia), in their recent newsletter Weed Biocontrol. This shrub/small tree is weedy in Northland, north of Auckland, the Bay of Plenty, Whanganui and Levin. At the latter two locations they invade the coastal dunes.

Sydney golden wattle is also a weed in Portugal and South Africa. Two bio-control agents were released in South Africa in the 1980s to combat the weed. These two, the gall-forming wasp (Trichilogaster acaciaelongifoliae) and seed-feeding weevil (Melanterius ventralis) proved highly effective and are now being considered for release in New Zealand.

If approval to release these agents in New Zealand is granted by the EPA, it is anticipated that both agents will be imported into containment late next year and released shortly thereafter.

Read the full story on page 6 of the newsletter.