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A Harbour Seal photographed at Dun Laoghaire Marina on Dublin Bay, Ireland. Also known as the common seal, is a true seal found along temperate and Arctic marine coastlines of the Northern Hemisphere. The most widely distributed species of pinnipeds, they are found in coastal waters of the northern Atlantic and Pacific oceans, Baltic and North seas. Photo: AfloatA photograph of a Harbour Seal taken at Dun Laoghaire Marina on Dublin Bay, Ireland. Also known as the common seal, this species can be found along temperate and Arctic marine coastlines throughout the Northern Hemisphere. They are the most widely distributed species of pinnipeds and can be found in the coastal waters of the northern Atlantic and Pacific oceans, as well as the Baltic and North Seas. Photo: Afloat

Displaying items by tag: Whales

#MarineWildlife - Naval Service personnel on patrol with the LÉ Samuel Beckett encountered the carcass of a large whale some 50 nautical miles south-east of Ballycotton Lighthouse in the days after Christmas.

The “mystery whale” is neither a sighting (which only counts or living cetaceans) nor a stranding. But as the Irish Whale and Dolphin Group (IWDG) says, the encounter “serves to remind us that the animals that wash up on our shoreline may represent only a small percentage of the total number of cetaceans that expire at sea of presumably natural causes.”

IWDG sightings officer Pádraig Whooley said the location of these whale remains was “interesting as this area of the Celtic Sea has produced the most consistent large-whale sightings in recent months, with fairly regular sightings of fin whales from land-based sites between Ram Head, Ardmore extending east towards the Hook Head lighthouse.”

Published in Marine Wildlife

The Beluga whale — a species mainly found in the Arctic Circle — has been recorded in Irish territorial waters as part of a groundbreaking three-year research project into our offshore habitats for marine wildlife.

On Friday (23 November) the ObSERVE Programme team announced the findings of its aerial and acoustic projects, led respectively by UCC and GMIT and which survived larked areas of the Irish and Celtic seas as well as the Atlantic Margin.

Besides the begula, the researchers detected endangered blue whales underwater up to 200km from their survey position, noting strong seasonal patterns in their sounds.

The most abundant baleen whale species is the minke whale, whose numbers in Irish waters reach some 12,000 in summer months and 5,000 in winter, including significant sightings of calves.

Fin whales were also recorded throughout the year, suggesting the continental slope and adjacent deep waters are an important area for this species.

Numbers of deep-water beaked whales — recently the subject of concern over mass strandings in Ireland and Scotland — were also estimated to reach some 4,000 in winter months.

In addition the ObSERVE Programme studied distribution and behaviour of dolphin species, as well as the half a million seabirds of the Atlantic Margin — which included sightings of white-tailed tropicbirds normally found much further south.

The news comes just days after a rare spotting of killer whales in pair off the coast of Co Dublin — and as hundreds of translucent parasitoid phronima have washed up on a beach near Dingle, as TheJournal.ie reports.

Published in Marine Wildlife

#MarineWildlife - Two common seals were released off the North Coast last week after being nursed back to health at the Exploris aquarium in Portaferry.

According to The Irish News, the seals named Hans and Albert had been with the sanctuary since the summer, when they arrived with various injuries.

However, by September both had put on weight and were eating by themselves, prompting Exploris staff to plan for their eventual release at Ballintoy Harbour last Wednesday (29 November).

In a techy twist, Hans and Albert have been microchipped so their progress can be monitored from shore over the next few weeks and months.

Also in the care of Exploris staff is a baby seal rescued from a rocky outcrop off Bangor in Belfast Lough in late October.

BBC News has video of the tiny white seal pup, which was suspected to have an injured hip and damaged flipper likely suffered during Storm Ophelia.

Another presumed victim of the stormy weather was a seal recovered from Dun Laoghaire’s East Pier on Hallowe’en.

The Irish Times reports that the marine mammal had sustained injuries to its face and rear flipper, but was said to be doing well in the care of volunteers from the Courtown Seal Rescue Centre in Co Wexford.

More recently, a number of stranded dolphins were successfully returned to the water off Achill Island by locals and volunteers on Tuesday 21 November.

Four common dolphins were reflected from Keem Beach, though a fifth was found dead on nearby rocks. The Irish Whale and Dolphin Group (IWDG) removed the carcass to determine its cause of death, as the Mayo News reports.

Back on the North Coast, BelfastLive says a six-metre whale carcass surprised locals at Runkerry Strand near Portballintrae on 24 November.

The find came just weeks after a much larger fin whale carcass was found on Arranmore off the Donegal coast, as previously reported on Afloat.ie.

Published in Marine Wildlife

#MarineWildlife - The carcass of an 11-tonne sperm whale has washed up at Carnsore Point in Co Wexford, as the Gorey Guardian reports.

The 8.5m whale — discovered by local man Davie Rea on the rocky shore at the end of last week — was identified as an adult female by the Irish Whale and Dolphin Group (IWDG).

Kevin MacCormick of the IWDG added that the giant marine mammal appeared to be emaciated “so most likely it was not in good health”.

It’s been five years since the last sperm whale stranding on the Wexford coast, as the species is more often found in western waters.

The Gorey Guardian has more on the story HERE.

Published in Marine Wildlife

#MarineWildlife - Not even two months in and 2017 is already the worst year on record for whale and dolphin strandings, according to the Irish Whale and Dolphin Group (IWDG).

As of Friday 17 February, a whopping 56 cetacean standings had been recorded — more than half of them identified as common dolphins.

Prior to 2010, the average numbers of standings were around 22, of which five would have been common dolphins, says the IWDG’s strandings officer Mick O’Connell.

The question of what is happening to cause such a spike in strandings throughout this decade prompted a meeting between the IWDG, Government agencies and representatives from Irish and European fishing fleets earlier this week.

“There is a disconnect somewhere,” says O’Connell, “as internationally accepted visual evidence of bycatch is seen in some strandings, and post-mortem reports on five common dolphins in Mayo in 2013 reported that their deaths were likely to be due to bycatch in a pelagic trawl net, yet Irish and EU observer schemes involving pelagic trawlers reported no bycatch in commercial pelagic hauls.”

The latest stranding was recorded in Fenit, Co Kerry on Wednesday (15 February) — a dolphin alleged by locals to have been caught in the nets of a large trawler offshore before being dumped overboard, as the Irish Mirror reports.

The Irish Examiner adds that another common dolphin with blood marks was found at Ballyconneely Beach in Connemara on the same day, while two days previous the emaciated carcass of a sperm whale was found on Nethertown Beach at the most south-easterly point of Co Wexford.

Last month, a spate of marine wildlife standings on the Waterford coast was blamed on pair trawling activity in the area.

Published in Marine Wildlife

I have been thinking of whales this week and remembering when I first saw a big one very close-up, so at the start of my podcast you can hear the sound, recorded underwater in the Atlantic Ocean of a humpback whale communicating with other whales.

The stranding of hundreds of whales on the New Zealand coastline was harrowing in the television pictures which showed the helplessness of these magnificent creatures when out of their environment, stranded ashore and the enormous efforts of human beings to refloat them. Some of those efforts were successful, but unfortunately, many whales died…..

The moment when I first saw a whale close-up is one of the memories etched on my mind. I was on the bow of Ireland’s first entry in the Round the World Yacht race in the Atlantic in May of 1990 when it happened. Suddenly, a huge whale was alongside us, so close I felt I could touch it. NCB Ireland was 85 feet long and the whale seemed, to my eyes, to be just as big and very close to the boat. I was awed by this magnificent creature which had emerged from the ocean and seemed to be staring at me. Having paced NCB for a while it effortlessly moved away, so much more part of the ocean world than us humans aboard NCB. I felt breathless as it disappeared from sight.

British Zoologist, Mark Carwardine, described such an experience well in his ‘Last Chance to See’ series on BBC Radio 4: “To have a huge whale approach your boat and look you straight in the eye is without doubt one of the most extraordinary experiences on the planet.”

That memory came to mind when Ireland’s top ocean racer, Damian Foxall, wrote to me in his present role as Recreation Education Manager at the Canadian Wildlife Federation. As the number of ocean yacht races increases, he is running a campaign to help scientists better understand areas of the world’s oceans where marine mammals are at risk of being struck by boats. Increasingly during these races there have been reports of yachts striking unidentified objects. “Currently the database for marine mammal strikes is very sparse,” he says. “We want to assemble reports of boats striking them. If everyone co-operates it will help plan future racing safely.”

If you can help Damian’s campaign you can Email him to: [email protected] Listen to the podcast below

 

Published in Island Nation
Tagged under

#MarineScience - Scientists from Northern Ireland will lead a new project monitoring whale and dolphin sounds off the Scottish and Irish coasts, as BBC News reports.

The scheme led by the Agri-Food and Biosciences Institute (AFBI) will see a network of buoys deployed with devices to pick up cetacean chatter – as well as potentially harmful ocean sounds from sea traffic or industry.

"Displacement from noise is a very real effect and ... if it doesn't cause them to move will change their behaviours and, at the most acute levels, can cause physical and physiological damage to the animals,” says Dr Adam Mellor of the AFBI.

BBC News has more on the story HERE.

Published in Marine Science

#MarineWildlife - Ireland’s whales and dolphins feature in a new atlas of the country’s wildlife, as The Irish Times reports.

The Atlas of Mammals in Ireland 2010-2015, published by the National Biodiversity Data Centre, maps the distribution of 77 mammal species both on the island and in its territorial waters.

Cetaceans account for almost a third of this number, among a whopping 68 species of whales and dolphins that frequent Irish waters.

The Irish Whale and Dolphin Group’s Dr Simon Berrow relates his long-term study of the Shannon Estuary’s thriving population of bottlenose dolphins in a book that celebrates an encouraging national habitat for species that struggle not so far from our shores.

Afloat.ie readers might remember a previous atlas concentrating on Ireland’s abundance of marine mammals that was published in 2013, and for which this new book makes a useful comparison.

Published in Marine Wildlife

#MarineWildlife - The Irish Whale and Dolphin Group (IWDG) received a report at the weekend of a large baleen whale struggling in the shallows at Cross Beach in north-west Co Mayo.

The 12-metre marine mammal, thought to be a sei whale or fin whale, was ushered back into deeper waters by a group surfing in the area on Sunday 27 November.

But locals are urged to keep a lookout over the next few days as the whale, believed to be injured or in poor health, is likely to strand again.

 

Published in Marine Wildlife

#MarineWildlife - A young pilot whale was saved by a group of quick-thinking Wexford men after stranding on a beach at Kilmore Quay, as the New Ross Standard reports.

When Neil Bates spotted the 3m whale at Ballyteige Burrow and saw its blowhole move, he enlisted two other local men, John and Michael O'Flahery, to help refloat the animal.

And while it was it some distress for a time, it was soon out of the shallows and swimming in the direction of Hook Head.

In other marine wildlife news, the Irish Whale and Dolphin Group is seeking to recruit a new general manager, based out of the Shannon Dolphin Centre in Kilrush, Co Clare.

Details are on the IWDG website HERE.

Published in Marine Wildlife
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For all you need on the Marine Environment - covering the latest news and updates on marine science and wildlife, weather and climate, power from the sea and Ireland's coastal regions and communities - the place to be is Afloat.ie.

Coastal Notes

The Coastal Notes category covers a broad range of stories, events and developments that have an impact on Ireland's coastal regions and communities, whose lives and livelihoods are directly linked with the sea and Ireland's coastal waters.

Topics covered in Coastal Notes can be as varied as the rare finding of sea-life creatures, an historic shipwreck with secrets to tell, or even a trawler's net caught hauling much more than just fish.

Other angles focusing the attention of Coastal Notes are Ireland's maritime museums, which are of national importance to maintaining access and knowledge of our nautical heritage, and those who harvest the sea using small boats based in harbours where infrastructure and safety pose an issue, plying their trade along the rugged wild western seaboard.

Coastal Notes tells the stories that are arguably as varied as the environment they come from, and which shape people's interaction with the natural world and our relationship with the sea.

Marine Wildlife

One of the greatest memories of any day spent boating around the Irish coast is an encounter with Marine Wildlife. It's a thrill for young and old to witness seabirds, seals, dolphins and whales right there in their own habitat. And as boaters fortunate enough to have experienced it will testify, even spotting a distant dorsal fin can be the highlight of any day afloat. Was that a porpoise? Was it a whale? No matter how brief the glimpse, it's a privilege to share the seas with Irish marine wildlife.

Thanks to our location in the North Atlantic, there appears to be no shortage of marine life to observe. From whales to dolphins, seals, sharks and other ocean animals, the Marine Wildlife category documents the most interesting accounts around our shores. And we're keen to receive your observations, your photos, links and video clips, too!

Also valuable is the unique perspective of all those who go afloat, from coastal sailing to sea angling to inshore kayaking to offshore yacht racing, as what they encounter can be of great importance to organisations such as the Irish Whale and Dolphin Group (IWDG). Thanks to their work we now know we share the seas with dozens of species who also call Ireland home. But as impressive as the list is, the experts believe there are still gaps in our knowledge. Next time you are out on the ocean waves, keep a sharp look out!

Weather

As an island in the North Atlantic, Ireland's fate is decided by Weather more so than many other European countries. When storm-force winds race across the Irish Sea, ferry and shipping services are cut off, disrupting our economy. When swollen waves crash on our shores, communities are flooded and fishermen brace for impact - both to their vessels and to their livelihoods.

Keeping abreast of the weather, therefore, is as important to leisure cruisers and fishing crews alike - for whom a small craft warning can mean the difference between life and death - as it is to the communities lining the coast, where timely weather alerts can help protect homes and lives.

Weather affects us all, and Afloat.ie will keep you informed on the hows and the whys.

Marine Science

Perhaps it's the work of the Irish research vessels RV Celtic Explorer and RV Celtic Voyager out in the Atlantic Ocean that best highlights the essential nature of Marine Science for the future growth of Ireland's emerging 'blue economy'.

From marine research to development and sustainable management, Ireland is developing a strong and well-deserved reputation as an emerging centre of excellence. Whether it's Wavebob ocean energy technology to aquaculture to weather buoys and oil exploration, the Marine Science category documents the work of Irish marine scientists and researchers and how they have secured prominent roles in many European and international marine science bodies.

Power From The Sea

The message from the experts is clear: offshore wind and wave energy is the future. And as Ireland looks towards the potential of the renewable energy sector, generating Power From The Sea will become a greater priority in the State's 'blue growth' strategy.

Developments and activities in existing and planned projects in the pipeline from the wind and wave renewables sector, and those of the energy exploration industry, point to the future of energy requirements for the whole world, not just in Ireland. And that's not to mention the supplementary industries that sea power projects can support in coastal communities.

Irish ports are already in a good position to capitalise on investments in offshore renewable energy services. And Power From The Sea can even be good for marine wildlife if done properly.

Aside from the green sector, our coastal waters also hold a wealth of oil and gas resources that numerous prospectors are hoping to exploit, even if people in coastal and island areas are as yet unsure of the potential benefits or pitfalls for their communities.

Changing Ocean Climate

Our ocean and climate are inextricably linked - the ocean plays a crucial role in the global climate system in a number of ways. These include absorbing excess heat from the atmosphere and absorbing 30 per cent of the carbon dioxide added to the atmosphere by human activity. But our marine ecosystems are coming under increasing pressure due to climate change.

The Marine Institute, with its national and international partners, works to observe and understand how our ocean is changing and analyses, models and projects the impacts of our changing oceans. Advice and forecasting projections of our changing oceans and climate are essential to create effective policies and management decisions to safeguard our ocean.

Dr Paul Connolly, CEO of the Marine Institute, said, “Our ocean is fundamental to life on earth and affects so many facets of our everyday activities. One of the greatest challenges we face as a society is that of our changing climate. The strong international collaborations that the Marine Institute has built up over decades facilitates a shared focusing on our changing ocean climate and developing new and enhanced ways of monitoring it and tracking changes over time.

“Our knowledge and services help us to observe these patterns of change and identify the steps to safeguard our marine ecosystems for future generations.”

The Marine Institute’s annual ocean climate research survey, which has been running since 2004, facilitates long term monitoring of the deep water environment to the west of Ireland. This repeat survey, which takes place on board RV Celtic Explorer, enables scientists to establish baseline oceanic conditions in Irish waters that can be used as a benchmark for future changes.

Scientists collect data on temperature, salinity, water currents, oxygen and carbon dioxide in the Atlantic Ocean. This high quality oceanographic data contributes to the Atlantic Ocean Observing System. Physical oceanographic data from the survey is submitted to the International Council for the Exploration of the Seas (ICES) and, in addition, the survey contributes to national research such as the VOCAB ocean acidification and biogeochemistry project, the ‘Clean Atlantic’ project on marine litter and the A4 marine climate change project.

Dr Caroline Cusack, who co-ordinates scientific activities on board the RV Celtic Explorer for the annual survey, said, “The generation of long-term series to monitor ocean climate is vital to allow us understand the likely impact of future changes in ocean climate on ecosystems and other marine resources.”

Other activities during the survey in 2019 included the deployment of oceanographic gliders, two Argo floats (Ireland’s contribution to EuroArgo) and four surface drifters (Interreg Atlantic Area Clean Atlantic project). The new Argo floats have the capacity to measure dissolved ocean and biogeochemical parameters from the ocean surface down to a depth of 2,000 metres continuously for up to four years, providing important information as to the health of our oceans.

During the 2019 survey, the RV Celtic Explorer retrieved a string of oceanographic sensors from the deep ocean at an adjacent subsurface moored station and deployed a replacement M6 weather buoy, as part of the Irish Marine Data Buoy Observation Network (IMDBON).

Funded by the Department of Agriculture, Food and the Marine, the IMDBON is managed by the Marine Institute in collaboration with Met Éireann and is designed to improve weather forecasts and safety at sea around Ireland. The data buoys have instruments which collect weather and ocean data including wind speed and direction, pressure, air and sea surface temperature and wave statistics. This data provides vital information for weather forecasts, shipping bulletins, gale and swell warnings as well as data for general public information and research.

“It is only in the last 20 years, meteorologists and climatologists have really began to understood the pivotal role the ocean plays in determining our climate and weather,” said Evelyn Cusack, Head of Forecasting at Met Éireann. “The real-time information provided by the Irish data buoy network is particularly important for our mariners and rescue services. The M6 data buoy in the Atlantic provides vital information on swell waves generated by Atlantic storms. Even though the weather and winds may be calm around our shores, there could be some very high swells coming in from Atlantic storms.”