Benthic habitats

Latest news

The findings of the most complex underwater coastal survey of the seafloor undertaken in New Zealand, including previously undiscovered natural features and sunken boats, are to be formally presented to the Marlborough community tomorrow.
One of the most challenging scientific underwater experiments ever attempted by NIWA is taking place this month on the Chatham Rise.
Scientists exploring the Kermadec Trench believe they have retrieved the deepest ever sediment sample from the bottom of the ocean using a wire-deployed corer.
A team of international researchers leaves Wellington this weekend to explore the bottom of the Kermadec Trench – one of the deepest places in the ocean.

Our work

Seagrass beds form an important undersea habitat for small fish, seahorses and shellfish in New Zealand.
New Zealand's Kaikoura Canyon is a 'biodiversity hotspot', containing far more life than seen before at such depths.
This research project investigated whether the mechanisms for periphyton removal in rivers relate more directly to hydraulic and geomorphic conditions than flow metrics.

Latest videos

Wire deployed corer floats being retrieved
Wire deployed corer floats being retrieved on board the RV Tangaroa. The corer sampled sediments at 9994 metre depths in the Kermadec Trench.
ST47 9990m landing
Wire deployed corer landing at 9994 metre depth in the Kermadec Trench. Deployment and retrieval on board the RV Tangaroa.
Biodiversity in the Kermadecs

This amazing footage was captured at the Kermadec Ridge in 2011, by NIWA's Deep-Towed Imaging System (DTIS). 

Welcome to the latest edition of Coasts Update. Here we bring you news of some of NIWA's latest research on aspects of coastal ecology, and the possible impacts of climate change on one of our coastal communities.

New Zealand's Kaikoura Canyon is a 'biodiversity hotspot', containing far more life than seen before at such depths.

The return of the upgraded RV Tangaroa represents a huge advancement for New Zealand science and exploration

NIWA today welcomed home RV Tangaroa, New Zealand’s only deepwater research vessel, after a $20 million dollar upgrade to enhance its ocean science and survey capabilities.

A feeding frenzy of cusk-eels where nothing was previously thought to live, an entirely new species of deep-sea fish, and large crustacean scavengers, are among the highlights of a recent research expedition that is shedding new light on the ecology of deepest places on Earth.

In the past half century, mangroves have increased in extent in estuaries and tidal creeks throughout the upper half of the North Island.

Estuarine restoration research is relatively new in New Zealand and has been largely instigated by community groups that have become increasingly concerned with the decline of plant and animal species.

Two New Zealand research organisations will work closely with one of the world’s leading ocean research and engineering organisations to accelerate research and exploration in a wide range of oceanographic topics in the southwest Pacific region.

At the time that the NRWQN was developed, the incorporation of benthic (river bed) biological monitoring was considered quite innovative.

Seagrass beds form an important undersea habitat for small fish, seahorses and shellfish in New Zealand.

Researchers at the National Institute of Water and Atmospheric Research (NIWA) have contributed their findings to a major news release by the Census of Marine Life charting an astonishing abundance, diversity, and distribution of deep-sea species.

Scientists from the UK, Japan and New Zealand have successfully photographed the deepest fish in the southern hemisphere at 7561 metres deep in the Kermadec Trench, just northeast of New Zealand.

Three new posters of the Cook Strait and Wellington Harbour seabed reveal for the first time a treasure trove of detailed information for the benefit of all New Zealanders.

An international team led by scientists from the United States and New Zealand have observed, for the first time, the bizarre deep-sea communities living around methane seeps off New Zealand’s east coast.

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All staff working on this subject

Principal Scientist - Fisheries
Principal Scientist - Marine Geology
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Principal Scientist - Marine Ecology
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Marine Invertebrate Systematist
Principal Scientist - Marine Ecology
Fisheries Acoustics Scientist
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Marine Biologist (Biosecurity)
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Marine Ecology Technician
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Fisheries Scientist
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Marine Ecology Technician
Principal Technician - Marine Biology
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Principal Technician - Marine Geology
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