Coasts and Estuaries news

News and media releases related to the our coasts and estuaries-related work.

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New research shows that in some cases, lifting houses may be a cost-effective way to reduce intermittent flooding risk.
A new study is doing a deep dive into whether mussel farms could help reduce nitrogen in New Zealand waters.
Long-term protection of Otago’s coastal habitats took a step closer to reality after more than 100 marine Significant Ecological Areas (SEA) were identified as part of a research project led by NIWA.
New maps from NIWA and the Deep South National Science Challenge show areas across Aotearoa New Zealand that could be inundated by extreme coastal flooding.
Researchers have discovered 26 species of roundworms that are completely new to science.
Researchers have developed New Zealand’s most comprehensive online atlas, providing an overview of nearly 600 marine species, to guide management and conservation of the country’s unique seafloor communities.
A research project co-led by Blue Carbon Services and NIWA will aim to provide New Zealand’s first national estimate of natural kelp-carbon sequestration in the marine environment.
Beachgoers could be safer thanks to a new technology with the potential to give real-time updates of rip currents.
A study investigating the level of change needed to improve the state of Hawke’s Bay’s marine environment highlights the magnitude and frequency of interventions required for the seafloor ecosystem to recover.
A New Zealand-led team has completed the fullest investigation to date into January’s eruption of the underwater Tongan volcano.
A group of international scientists are visiting some of New Zealand’s most significant coastal wetlands as part of a five-year research project to help the country adapt and prepare for sea-level rise.
Aotearoa-New Zealand’s marine area covers 167,650 square kilometres presenting a staggering distribution of climates, from subtropical to subantarctic waters, to understand and manage.
Specialised monitoring equipment has been installed in Bay of Plenty estuaries to understand whether our coastal wetlands can survive the threat of inevitable sea-level rise.
NIWA is part of a multi-agency biosecurity response to an invasive seaweed discovered at Aotea Great Barrier Island and subsequently at Ahuahu Great Mercury Island.
For the first time, satellites have been used to track coastal water health around Aotearoa New Zealand.
Estuaries are coastal waterbodies where freshwater mixes with seawater. Many estuaries in Aotearoa New Zealand have been impacted by pollutants and contaminants entering via freshwater.
High-resolution mapping has produced the first ever global estimates of coastal habitat damage caused by anchoring.
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).
NIWA is contributing to an international effort to help developing countries reduce the impact of biofouling on aquatic-based industries and environments.
The tempestuous wet weather may have dampened Wellingtonians' spirits at the beginning of summer, but it had at least one positive effect - killing some unwanted species in the harbour.


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