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Marine Science
Tánaiste Micheál Martin said that “Ireland today joins a growing chorus of countries, scientists, civil society organisations and private companies calling for a precautionary pause of deep-sea mining”
Ireland has supported calls for a “precautionary pause” on deep-sea mining on the international seabed. The “pause” means that no deep-sea mining should take place until a “robust” regulatory framework is in place to protect the marine environment, and until…
RV Celtic Explorer
Surface ocean carbon dioxide observations from Irish waters collected by the Marine Institute’s RV Celtic Explorer have been published in the 2023 version of the Surface Ocean CO2 Atlas (SOCAT). With over 42 million surface ocean CO2 measurements from across…
An orca close to a yacht off the Iberian coast
A scientist researching orca attacks on yachts off the Iberian coast says they are doing it for the “adrenaline shot”. As The Evening Standard reports, marine biologist Renaud de Stephanis said he believed the whales were ramming boats for fun,…
Dr Paul Connolly
The Marine Institute has announced details of the process to recruit a chief executive officer (CEO) following the retirement of Dr Paul Connolly at the end of the month. Dr Connolly has worked with the Marine Institute for over 30…
Angelsharks - now a critically endangered species in Irish waters
An ecological analysis of the western Irish Sea for potential marine protected areas warns of “significant spatial squeeze” if both offshore wind farms and commercial fishing are excluded from sensitive habitats. As The Sunday Independent reports, a report for the…
The EU is particularly vulnerable because high economic activity itself increases the risks of biological invasions via trade and the transportation of goods among member states without substantial border control, the study notes
Unreported costs of biological invasions have been calculated at €26.64 billion (US$28.0 billion) in the EU, according to a new study. The study's Lead researcher, Morgane Henry from McGill University in Canada, says there has been a “shocking underestimation of…
The Marine Institute locations in Oranmore, Co. Galway, and Newport, Co. Mayo welcome 22 university students this month to take part in the 2023 Summer Bursary programme. The bursary facilitates research, collaboration, and mutual education for a period of eight…
Fionn Ferreira
An Irish postgraduate’s novel solution to removing microplastics from water has landed him on the shortlist for a prestigious European prize. Fionn Ferreira, a chemistry Master’s degree student and teaching assistant at the University of Groningen in the Netherlands, has…
A seagrass meadow at Kilmore Quay
Scientists warn that an “unheard of” marine heatwave in the waters off Ireland and Great Britain poses a significant threat to marine wildlife and plant life. As the Guardian reports, the emerging El Niño conditions in the North Atlantic and…
UN senior advisor on oceans Vincent Doumeizel is speaking at the Borris House Festival of Writing and Ideas on Saturday, June 17
Stewardship of our coastal waters, our rich seaweed resource and its potential to mitigate climate change is the theme of a discussion involving two leading marine experts at the Borris House Festival of Writing and Ideas this Saturday, June 17th.…
Mapped location of the 12 benthic sensors between the Seven Heads and Old Head of Kinsale
The Department of Transport has been advised by the School of Biological, Earth and Environmental Sciences at University College Cork that on on Tuesday 12 June it deployed 12 benthic sensors between the Seven Heads and the Old Head of…
The new survey will map otters and compare results to the last survey in 2010-11
Kayakers, anglers, seashore, and riverbank walkers have been invited to participate in a national otter survey. The survey is being run by the National Parks and Wildlife Service (NPWS), with researchers at Queen’s University Belfast and the National Biodiversity Data…
The research shows a “steep increase” in marine plastic on Europe’s seabeds, with the number of plastic items detected per square kilometre in the northeast Atlantic increasing from 20 to 35 between 2012 and 2021
The amount of plastic in European waters has almost doubled in the past decade, according to newly published research. The research shows a “steep increase” in marine plastic on Europe’s seabeds, with the number of plastic items detected per square…
Education officer Michael Cosgrove visits Eglinton Community Pre-School to deliver a marine show-and-tell
Over the last few weeks, the Loughs Agency’s education team have been busy informing and educating pupils and teachers within the Foyle and Carlingford catchment areas about our waterways. Education officer Michael Cosgrove made several visits to St Mary’s College…
OCEANS 2023 Limerick logo
Thousands of international energy and marine engineers, roboticists and scientists among others are attending the global OCEANS 2023 conference hosted at University of Limerick this week in association with the Marine Institute, IEEE Oceanic Engineering Society and the Marine Technology…
Diverted water from rivers disperse tiny plastic particles across farmland from where they may be flushed back into other watercourses
Diverting streams and rivers to irrigate crops or provide drinking water may “significantly extend” the time microplastics spend in river catchments, new research states. Diverted water from rivers disperse tiny plastic particles across farmland from where they may be flushed…

Marine Science Perhaps it is the work of the Irish research vessel RV Celtic Explorer out in the Atlantic Ocean that best highlights the essential nature of marine research, development and sustainable management, through which Ireland is developing a strong and well-deserved reputation as an emerging centre of excellence. From Wavebob Ocean energy technology to aquaculture to weather buoys and oil exploration these pages document the work of Irish marine science and how Irish scientists have secured prominent roles in many European and international marine science bodies.


At A Glance – Ocean Facts

  • 71% of the earth’s surface is covered by the ocean
  • The ocean is responsible for the water cycle, which affects our weather
  • The ocean absorbs 30% of the carbon dioxide added to the atmosphere by human activity
  • The real map of Ireland has a seabed territory ten times the size of its land area
  • The ocean is the support system of our planet.
  • Over half of the oxygen we breathe was produced in the ocean
  • The global market for seaweed is valued at approximately €5.4 billion
  • · Coral reefs are among the oldest ecosystems in the world — at 230 million years
  • 1.9 million people live within 5km of the coast in Ireland
  • Ocean waters hold nearly 20 million tons of gold. If we could mine all of the gold from the ocean, we would have enough to give every person on earth 9lbs of the precious metal!
  • Aquaculture is the fastest growing food sector in the world – Ireland is ranked 7th largest aquaculture producer in the EU
  • The Atlantic Ocean is the second largest ocean in the world, covering 20% of the earth’s surface. Out of all the oceans, the Atlantic Ocean is the saltiest
  • The Pacific Ocean is the largest ocean in the world. It’s bigger than all the continents put together
  • Ireland is surrounded by some of the most productive fishing grounds in Europe, with Irish commercial fish landings worth around €200 million annually
  • 97% of the earth’s water is in the ocean
  • The ocean provides the greatest amount of the world’s protein consumed by humans
  • Plastic affects 700 species in the oceans from plankton to whales.
  • Only 10% of the oceans have been explored.
  • 8 million tonnes of plastic enter the ocean each year, equal to dumping a garbage truck of plastic into the ocean every minute.
  • 12 humans have walked on the moon but only 3 humans have been to the deepest part of the ocean.

(Ref: Marine Institute)

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