Latest news with #ConquerCaulerpa
Scoop
26-05-2025
- Science
- Scoop
Northland Webinar To Give Update On Battle Against Invasive Seaweed Caulerpa
Article – Susan Botting – Local Democracy Reporter Conquer Caulerpa chair Verdon Kelliher said the event aimed to update participants on the regions efforts to fight the invasive superspreader exotic seaweed. More than 300 people are expected to attend New Zealand's first major online caulerpa webinar tomorrow, Tuesday 27 May, evening. The groundbreaking Northland-focused online caulerpa hui had 343 registrations and counting on Monday, May 26, morning in what has become a webinar of significant and increasing size. It has been organised by Northland's Conquer Caulerpa Trust. Conquer Caulerpa chair Verdon Kelliher said the event aimed to update participants on the region's efforts to fight the invasive superspreader exotic seaweed. Biosecurity New Zealand director pest management and the Government's national caulerpa response manager John Walsh will be among those speaking at the hui. He will be there along with Northland Regional Council chair Geoff Crawford, exotic caulerpa national advisory group Tai Tokerau Northland representative Natasha Clarke and Kelliher. Ngāti Kuta trustee Glenys Papuni will speak about the caulerpa fight partnership mahi her Te Rāwhiti hāpu is involved with. Kelliher said topics addressed would include the latest on where caulerpa has been found in Northland. Participants would also be updated on caulerpa elimination efforts. Kelliher said the webinar had been organised to address the most commonly-asked questions about invasive caulerpa and efforts to fight it in Northland. New technologies being developed in Northland and nationally include a large industrial-scale underwater tractor unit, ultra-violet light treatment and a movable underwater chlorine treatment chamber. New Zealand's first commercial rapid response caulerpa dive squad recently started surveying for the seaweed and new elimination efforts. Caulerpa was first confirmed in Northland in 2023 at the major boating anchorage of Omākiwi Cove at Te Rāwhiti. The Omākiwi Cove infestation is New Zealand's only mainland caulerpa infestation. MPI deputy director general Stuart Anderson said at the time of the seaweed's Omākiwi Cove and surrounds find that the Bay of Islands caulerpa infestation was a sizeable problem. as efforts to get on top of the pest continue. 500 tonnes of caulerpa washed up over Easter during ex-Tropical Cyclone Tam. New Zealand has recently been warned invasive caulerpa threatens a $9.4b hit.
Scoop
26-05-2025
- Science
- Scoop
Northland Webinar To Give Update On Battle Against Invasive Seaweed Caulerpa
Article – Susan Botting – Local Democracy Reporter Conquer Caulerpa chair Verdon Kelliher said the event aimed to update participants on the regions efforts to fight the invasive superspreader exotic seaweed. More than 300 people are expected to attend New Zealand's first major online caulerpa webinar tomorrow, Tuesday 27 May, evening. The groundbreaking Northland-focused online caulerpa hui had 343 registrations and counting on Monday, May 26, morning in what has become a webinar of significant and increasing size. It has been organised by Northland's Conquer Caulerpa Trust. Conquer Caulerpa chair Verdon Kelliher said the event aimed to update participants on the region's efforts to fight the invasive superspreader exotic seaweed. Biosecurity New Zealand director pest management and the Government's national caulerpa response manager John Walsh will be among those speaking at the hui. He will be there along with Northland Regional Council chair Geoff Crawford, exotic caulerpa national advisory group Tai Tokerau Northland representative Natasha Clarke and Kelliher. Ngāti Kuta trustee Glenys Papuni will speak about the caulerpa fight partnership mahi her Te Rāwhiti hāpu is involved with. Kelliher said topics addressed would include the latest on where caulerpa has been found in Northland. Participants would also be updated on caulerpa elimination efforts. Kelliher said the webinar had been organised to address the most commonly-asked questions about invasive caulerpa and efforts to fight it in Northland. New technologies being developed in Northland and nationally include a large industrial-scale underwater tractor unit, ultra-violet light treatment and a movable underwater chlorine treatment chamber. New Zealand's first commercial rapid response caulerpa dive squad recently started surveying for the seaweed and new elimination efforts. Caulerpa was first confirmed in Northland in 2023 at the major boating anchorage of Omākiwi Cove at Te Rāwhiti. The Omākiwi Cove infestation is New Zealand's only mainland caulerpa infestation. MPI deputy director general Stuart Anderson said at the time of the seaweed's Omākiwi Cove and surrounds find that the Bay of Islands caulerpa infestation was a sizeable problem. as efforts to get on top of the pest continue. Hundreds of people rushed to clear Omākiwi Cove and adjacent Whiorau Bay beaches after 500 tonnes of caulerpa washed up over Easter during ex-Tropical Cyclone Tam. New Zealand has recently been warned invasive caulerpa threatens a $9.4b hit.
Scoop
26-05-2025
- General
- Scoop
Northland Webinar To Give Update On Battle Against Invasive Seaweed Caulerpa
More than 300 people are expected to attend New Zealand's first major online caulerpa webinar tomorrow, Tuesday 27 May, evening. The groundbreaking Northland-focused online caulerpa hui had 343 registrations and counting on Monday, May 26, morning in what has become a webinar of significant and increasing size. It has been organised by Northland's Conquer Caulerpa Trust. Conquer Caulerpa chair Verdon Kelliher said the event aimed to update participants on the region's efforts to fight the invasive superspreader exotic seaweed. Biosecurity New Zealand director pest management and the Government's national caulerpa response manager John Walsh will be among those speaking at the hui. He will be there along with Northland Regional Council chair Geoff Crawford, exotic caulerpa national advisory group Tai Tokerau Northland representative Natasha Clarke and Kelliher. Ngāti Kuta trustee Glenys Papuni will speak about the caulerpa fight partnership mahi her Te Rāwhiti hāpu is involved with. Kelliher said topics addressed would include the latest on where caulerpa has been found in Northland. Participants would also be updated on caulerpa elimination efforts. Kelliher said the webinar had been organised to address the most commonly-asked questions about invasive caulerpa and efforts to fight it in Northland. New technologies being developed in Northland and nationally include a large industrial-scale underwater tractor unit, ultra-violet light treatment and a movable underwater chlorine treatment chamber. New Zealand's first commercial rapid response caulerpa dive squad recently started surveying for the seaweed and new elimination efforts. Caulerpa was first confirmed in Northland in 2023 at the major boating anchorage of Omākiwi Cove at Te Rāwhiti. The Omākiwi Cove infestation is New Zealand's only mainland caulerpa infestation. MPI deputy director general Stuart Anderson said at the time of the seaweed's Omākiwi Cove and surrounds find that the Bay of Islands caulerpa infestation was a sizeable problem. as efforts to get on top of the pest continue. Hundreds of people rushed to clear Omākiwi Cove and adjacent Whiorau Bay beaches after 500 tonnes of caulerpa washed up over Easter during ex-Tropical Cyclone Tam. New Zealand has recently been warned invasive caulerpa threatens a $9.4b hit.
NZ Herald
20-05-2025
- Health
- NZ Herald
Northland divers start New Zealand-first caulerpa elimination work
Kelliher said the underwater rapid response dive team helped maintain momentum and respond quickly while larger funding decisions were still pending. The Conquer Caulerpa mahi is being carried out by Whangārei -based company Northern Divers. Company managing director Stephen Te Tai (Ngāti Hine) said his Northland-based team's mahi was crucial as part of the community getting on top of the invasive seaweed. It honoured his forbear, prominent Ngāpuhi rangatira Te Ruki Kawiti, by helping protect the moana and whenua he fought for. Biosecurity New Zealand, through Northland Regional Council (NRC), is providing $118,000 for four divers for pending 17 days of caulerpa survey and elimination work in the Bay of Islands. Kelliher said more was needed. 'We have 11 trained divers, with professional experience in offshore oil rigs and more, ready to work on caulerpa – but no funding for them to do this work beyond those 17 days,' Kelliher said. 'Time is of the essence in the fight against caulerpa.' Kelliher said $600,000 was needed, to extend the surveillance and elimination work north from Cape Reinga to the Bay of Islands. Conquer Caulerpa has set up a Givealittle page. The link to this page can be found here. Kelliher said money would be used for diver-led surveys, rapid-response treatments, specialised equipment, and community outreach. The rapid response dive team is first surveying potential high risk caulerpa locations. It has started working around four of the seven major Ipipiri Islands and Te Rāwhiti's mainland Hauai Bay. The surveillance and treatment plan has been created with Biosecurity New Zealand and NRC. Kelliher said caulerpa would be treated with benthic mats and chlorine tabs, ultra-violet light, chlorine curtains or the underwater tractor being developed at least in part in the Bay of Islands' Omākiwi Cove. The team's work follows caulerpa elimination trials in the Bay of Islands. Kelliher said community members, including Ngāti Kuta hapū, Motukōkako Ahu Whenua Trust, Foundation North, Eastern Bay of Islands Preservation Society and a number of private donors, had already raised $65,000 towards previous caulerpa work. He said it was hoped new fundraising could help towards a motorised underwater scooter to help divers move more efficiently through the water, meaning they could cover bigger areas. The divers are working in the Bay of Islands on the high-value boat anchorages - Urupukapuka Island's Paradise Bay and Entico/Otaia Bay; Waewaetorea Passage on the island of the same name, Moturua Island and Motukiekie Island. They will lay large mats known as benthic mats, covering chlorine tabs placed on isolated caulerpa plants. The goal is to kill small, isolated patches of caulerpa. This work follows earlier local trials. These will be put down at three sites on the east of Moturua Island in Army /Waiwhapuku Bay, one site of the west of Motukiekie Island; three sites in Waewaetorea Passage, nine sites on Urupukapuka Island and two sites in Te Rāwhiti mainland's Hauai Bay. Divers will then start surveying to check whether selected anchorages are still caulerpa-free and set up baseline data. Comprehensive grid-based island surveying will be done at sites including Urupukapuka's Otehei Bay tourist boating hub and Paradise Bay, Intico/Otaia Bay and Cable Bay as well. It will also be done on the south of Okahu Island in the passage of the same name, Waewaetorea Passage and Moturua Island's Army/Waiwhapuku Bay. Mainland surveying will be done at Te Rāwhiti's Kaimarama Bay, Oruruhoa Bay and Hauai Bay. A national community exotic caulerpa locations map viewer shows where surveillance work has previously been carried out nationally. $9.4 billion hit from caulpera's spread as it threatens tourism and recreation, commercial fishing, aquaculture and ecosystems.
