Biodiversity

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.
Recording underwater biodiversity after earthquakes

NIWA’s marine ecologist Dr Dave Bowden talks about the catastrophic changes to the seafloor in the Kaikoura Canyon following the November 2016 earthquake.

A NIWA scientist is calling for greater protection of submarine canyons around New Zealand as their rich marine life comes under increasing threat from human activity.
Exploring the deepsea

Despite many centuries of maritime exploration, only a fraction of our planet's seafloor has been observed. NIWA Deepsea Scientist Di Tracey tells us what it feels like to probe deep beneath the waves to see what's living on the ocean floor.

The seafloor of the Ross Sea region is covered in ice for much of the year, but many benthic sea creatures live and thrive there.
Te Papa has released a publication containing information, including pictures, distribution maps for all 1,262 known fish species found in our waters.
The Southwestern Pacific OBIS Node site is a gateway to marine biodiversity data from Antarctica to as far north as Fiji.
Identifying creepy crawlies in your local stream just got a whole lot easier and faster, thanks to a new 3D identification system developed by a NIWA researcher.
Taking the pulse of Antarctica’s ocean ecosystem

Niwa scientists have anchored an echosounder to the sea floor of Terra Nova Bay that could reveal the mystery of silverfish reproduction under the Antarctic ice.

Silverfish are important in the marine food web, providing a link between zooplankton and predators like penguins seals, and toothfish. While silverfish eggs are observed in abundance in Terra Nova Bay every spring, no-one knows whether the fish migrate into the bay to lay them under the cover of the winter ice, or if the eggs wash in on the current.

Read a media release about this research

NIWA scientists have anchored an echosounder to the sea floor of Terra Nova Bay that could reveal the mystery of silverfish reproduction under the Antarctic ice.
Now back on dry land, Voyage Leader Richard O'Driscoll reflects on the final days of RV Tangaroa's 2015 Antarctica expedition.
It has been another amazing week here on the Tangaroa. On Saturday we saw Antarctica which was an absolutely breath-taking experience that I’ll remember for the rest of my life!
Scientists from the Australian Antarctic Division explain the blue whale research they are leading onboard the New Zealand-Australia Antarctic Ecosystems Voyage 2015.
NIWA voyage leader Dr Richard O’Driscoll updates the Tangaroa’s encounter with the planet’s largest living beings – the Antarctic blue whales – and discovers what’s on their menu.
The first objective of the New Zealand- Australia Antarctic Ecosystems Voyage was successfully achieved with the completion of the research at the Balleny Islands.
The New Zealand-Australia Antarctic Ecosystems Voyage has been featured on Radio New Zealand National’s Our Changing World programme.

An interactive guide to the sea stars, brittle stars, feather stars, sea eggs, and sea cucumbers (echinoderms) of New Zealand.

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