Anchors cause “extensive, persistent” damage to seafloor

Anchors cause “extensive, persistent” damage to seafloor

“It seems that this problem is ‘out of sight, out of mind’ because the environmental footprint of anchoring is not yet considered in official reporting of global human impacts on the marine ecosystem,” Dr Watson said.

Survey provides snapshot of harbour’s health

Survey provides snapshot of harbour’s health

Greater Wellington Regional Council regularly assess sediment quality and seafloor community health in the subtidal areas of Te Awarua-o-Porirua (Porirua Harbour) and Te Whanganui-a-Tara (Wellington Harbour).

Ticks Are Spreading in the US—and Taking New Diseases With Them

Ticks Are Spreading in the US—and Taking New Diseases With Them

That’s a problem, because research shows tick species are expanding into new areas and carrying greater amounts of pathogens as they move.

Stories from Palmyra: The Recapture

Stories from Palmyra: The Recapture

On the next Fishing for Science trip in February of this year, a scientific angler caught a bluefin trevally that had been tagged on February 6, 2020, at liberty for 753 days.Giant trevally caught and tagged on a Fishing for Science trip in February 2022.

The Queen Conch’s Gambit

The Queen Conch’s Gambit

A mother queen conch lays half a million eggs over a day or so in a gelatinous strand that, unfurled, would stretch longer than a semitruck trailer.A queen conch shell can grow as big as a football.

Fishing for Science on Palmyra Atoll

Fishing for Science on Palmyra Atoll

© Kydd Pollock / TNC My fishing partner, Kawika Auld, a master angler from Hawaii, is already by the side of the boat, gloves on and ready to go.After 10 days, we had tagged more than 240 trevally, more than any previous Fishing for Science trip.

Easy access to environmental research data

Easy access to environmental research data

New Zealand’s seven Crown Research Institutes (CRIs) have created the National Environmental Data Centre (NEDC) website to make the environmental information held by CRIs more accessible to all New Zealanders.

The Energy Crisis Is Pushing Solar Adoption—for Those Who Can Pay

The Energy Crisis Is Pushing Solar Adoption—for Those Who Can Pay

“On that very first weekend when the price cap change came in, our inquiries increased by 300 percent,” says Richard Moule, a director at the Sheffield-based solar installers All Seasons Energy.

​​Oceans Aren’t Just Warming—Their Soundscapes Are Transforming

​​Oceans Aren’t Just Warming—Their Soundscapes Are Transforming

Changes in salinity, temperature, and pressure change how the sea sounds, with unknown impacts on the life-forms that depend on that noise to survive.

As Climate Fears Mount, Some Are Relocating Within the US

As Climate Fears Mount, Some Are Relocating Within the US

Like a growing number of Americans, the Brazil family realized they could no longer live in a place where they faced soaring temperatures and worsening wildfires driven by climate change, and so they decided it was time to move to a less vulnerable part of the country.

The Race to Rebuild the World’s Coral Reefs

The Race to Rebuild the World’s Coral Reefs

It has taken Carne and her team more than a decade to plant 160,000 coral fragments on less than 9 acres of reef.Coral restoration has not summed up to even 1/100,000th of the area of shallow coral reefs worldwide.”.

Chernobyl Was a Wildlife Haven. Then Russian Troops Arrived

Chernobyl Was a Wildlife Haven. Then Russian Troops Arrived

Orizaola had come to the Chernobyl Exclusion Zone to collect tree frogs and find out whether living in the shadow of disaster had a lasting effect on the creatures’ genetics.

NIWA-Nippon Foundation Tonga Eruption Seabed Mapping Project a “rare opportunity” to study effects of Tonga eruption

NIWA-Nippon Foundation Tonga Eruption Seabed Mapping Project a “rare opportunity” to study effects of Tonga eruption

In a rare opportunity to improve understanding of the nature and impact of a major volcanic eruption, NIWA scientists are sailing to Tonga to survey the ocean around the Hunga-Tonga Hunga-Ha'apai (HT–HH) volcano and surrounding regions.

Passing FAD: Partnership Protects the Reef at Palmyra Atoll

Passing FAD: Partnership Protects the Reef at Palmyra Atoll

That is thanks to an innovative partnership called FAD Watch Program between conservation and industry, specifically the US tuna fishing fleet, that is remotely tracking FADs to protect Palmyra, and provide important oceanographic data as well.

Climate Change Is Disrupting the Global Supply Chain Too

Climate Change Is Disrupting the Global Supply Chain Too

A 2020 study in the Journal of Waterway, Port, Coastal, and Ocean Engineering that Becker coauthored found that of 85 US maritime infrastructure engineers who responded to a survey, only 29 percent said their organizations had a policy or planning document for sea level rise, let alone had acted on one.

The Amazon Rainforest May Be Nearing a Point of No Return

The Amazon Rainforest May Be Nearing a Point of No Return

For a forest, one way to track resiliency is through a satellite measurement called vegetation optical depth, or VOD, which penetrates through the canopy and detects how much woody biomass there is.

Mean heat: Marine heatwaves to get longer and hotter by 2100

Mean heat: Marine heatwaves to get longer and hotter by 2100

New research from the Deep South Challenge: Changing with our Climate and NIWA shows that New Zealand could experience very long and “very severe” marine heatwaves by the end of the century.

Ukraine Is in an Environmental Crisis Too

Ukraine Is in an Environmental Crisis Too

The health effects of these kinds of wartime incidents are likely to be felt long after the physical conflict subsides, says Doug Weir, director of research and policy at the UK-based Conflict and Environment Observatory.

Offshore Wind Turbines Could Mess With Ships’ Radar Signals

Offshore Wind Turbines Could Mess With Ships’ Radar Signals

It turns out that massive wind turbines may interfere with marine radar systems, making it risky for both big ships passing through shipping channels near offshore wind farms and smaller vessels navigating around them.

Tropical seafloor secrets revealed

Tropical seafloor secrets revealed

NIWA scientists and Toitū Te Whenua Land Information New Zealand (LINZ) have used satellite technology to chart the Cook Islands’ seafloor in never-before-seen detail.The work was done as part of Seabed 2030 - a collaborative project to produce a definitive map of the world ocean floor by 2030.

Sea Level Rise Will Be Catastrophic—and Unequal

Sea Level Rise Will Be Catastrophic—and Unequal

Last week, a group of federal agencies released a report detailing the dire state of sea level rise in the United States: On average, it projects up to 12 additional inches in the next 30 years, the same amount that the country has seen in the last century.

Deer Mice: Get to Know North America’s Most Abundant Mammal

Deer Mice: Get to Know North America’s Most Abundant Mammal

“They are one of a handful of small mammals that are quintessential generalists,” says Bryan McLean, a professor at the University of North Carolina Greensborough who has studied deer mice for years.Climate may also be changing how deer mice breed and litter size.

Cutting-edge AI sea craft helping scientists count fish

Cutting-edge AI sea craft helping scientists count fish

“Hoki are one of the species we research – they have major spawning events, but we are currently only able to collect data on these for a few weeks every two years.NIWA hopes to be routinely using the vessel for monitoring fish within the next five years.

Serious, Salty Trouble Is Brewing Under Antarctic Glaciers

Serious, Salty Trouble Is Brewing Under Antarctic Glaciers

Last month, Milillo and other scientists reported that tidal pumping is forcing the rapid retreat of the grounding lines of other West Antarctica glaciers—Pope, Smith, and Kohler.

Public asked to help build national flood photo database

Public asked to help build national flood photo database

NIWA is asking people in flood-affected areas to contribute photos to a national database to support understanding of flood hazard and flood risk.I am really excited by the development of NIWA’s citizen science app, as we look to gather more information to support our country’s flood management decision-making.”.

The positives of Wellington’s wet weather: marine pest control

The positives of Wellington’s wet weather: marine pest control

Marine scientists from NIWA have been on the hunt for high-risk invasive species as part of their latest biosecurity survey, designed to detect marine animals and plants that come in from overseas.

Surveying scallop populations with artificial intelligence

Surveying scallop populations with artificial intelligence

To ensure the fishing surveys have the least impact possible, NIWA has been working with the University of Canterbury and Fisheries New Zealand to develop a non-invasive method of counting scallop populations.

Snapper on the rise

Snapper on the rise

Thirty years of management informed by a raft of scientific research appears to now be paying dividends.In the Hauraki Gulf, commercial and recreational fishers are reporting improving catches, and NIWA scientists will soon be able to estimate whether the highly valued Hauraki Gulf snapper population is seeing a similar increase.

Juvenile fish nurseries in the Hauraki Gulf

Juvenile fish nurseries in the Hauraki Gulf

The first type of nurseries are shallow areas of biogenic (living) habitats that ‘stick up’ from the seafloor and provide three-dimensional structures, such as horse mussel beds, subtidal seagrass, sponge gardens and calcareous tubeworm mounds.

Got an Invasive Army of Crayfish Clones? Try Eating Them

Got an Invasive Army of Crayfish Clones? Try Eating Them

Lyko led the ambitious genome study that established the extraordinary fact that all marbled crayfish originate from a single foundational female.