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Displaying items by tag: Grand Canal

Waterways Ireland advises masters and owners of vessels that it will be carrying out maintenance works on the waiting jetty on the upstream side of the 35th Lock in Shannon Harbour.

Works will begin on Monday 29 January and will last for four weeks, from 9am to 5pm each day. The jetty will be closed during this time, the cross-border body for Ireland’s inland waterways says.

Published in Inland Waterways

Waterways Ireland advises masters and owners of vessels on the Grand Canal that the Barrow Line from Lock 24 (McCartney’s) to Lock 25 (Moores) will reopen to navigation on Thursday 28 March following essential quay wall refurbishment at Bell Harbour in Monasterevin.

Localised quay wall restrictions will remain within Bell Harbour to facilitate ongoing paving and landscaping works, and vessels navigating within the harbour are asked to proceed with caution, the cross-border body for Ireland’s inland waterways adds.

Published in Inland Waterways

Waterways Ireland advises masters and owners of vessels that the water level in the Grand Canal between Locks 13 and 14 in north-east Kildare will be reduced by around 18 inches (450mm) with immediate effect.

The reduced water level will be in place until 1 February 2024.

The cross-border body for Ireland’s inland waterways advises masters of vessels to check mooring lines regularly throughout this period.

Navigation in this section will be restricted and only possible by first contacting the area foreman on 087 359 9072.

Published in Inland Waterways

Waterways Ireland advises masters of vessel on the Grand Canal that due to the ongoing works at Shannon Harbour, passage through Locks 35 and 36 will only be possible by prior arrangement with the Waterway Patroller.

This system will be in place until Tuesday 21 November, the cross-border body for Ireland’s inland waterways adds.

Operation of the locks will be controlled by the Waterway Patroller and only during working hours, as follows:

  • Until 31 October: 9.30am to 4.45pm (lunch break 1-1.30pm).
  • 1 November to 15 March: 9.30am to 2pm (lunch break 1-1.30pm).

To arrange passage through Locks 35 and 36, use the following numbers:

  • For passage from Monday to Sunday (excluding Friday), call 087 245 6587.
  • For passage on a Friday, call 087 245 6609.

Waterways Ireland thanks its customers for their cooperation.

Published in Inland Waterways

Waterways Ireland advises masters and owners of vessels on the Grand Canal that the Barrow Line will be closed to vessel traffic from McCartney’s (Lock 24) to Moore’s (Lock 25) to enable essential quay wall refurbishment at Bell Harbour in Monasterevin.

This closure will commence on Wednesday 1 November for a period of around 18 weeks, until early March 2024.

Mooring in Bell Harbour and through navigation will not be possible in this area for the duration of the works. Vessels moored in Bell Harbour will be accommodated on the 24th and 26th levels during this period.

Vessels in Bell Harbour are requested to vacate the harbour and 25th level by Tuesday 31 October.

Any craft remaining in this area on 1 November will be removed to alternative mooring on the 26th level by the cross-border body for Ireland’s inland waterways.

Published in Inland Waterways

Waterways Ireland advises masters and owners of vessels on the Grand Canal that culvert replacement works will be commencing on the summit level from Thursday 2 November.

These works — some 450 metres east of Lock 19 in Lowtown, Co Kildare — are to replace a damaged culvert under the canal and are expected take around 10 weeks.

Navigation will not be possible in this area for the duration of the works, the cross-border body for Ireland’s inland waterways adds.

Published in Inland Waterways

Waterways Ireland advises masters and owners of vessels on the Grand Canal that essential repair works will be taking place at Lock 22 at Cappyroe Bridge in Co Offaly until this Friday 6 October.

Due to these works, navigation will not be possible through the area during this time, the cross-border body for Ireland’s inland waterways says.

Published in Inland Waterways

Waterways Ireland advises all masters and owners of vessels on the Grand Canal that Offaly Rowing Club will be holding time trials between Locks 23 and 24 this Saturday 30 September.

The event will take place between 8am and 4pm. The cross-border body for Ireland’s inland waterways asks users of the navigation and adjacent greenway to follow the directions given by the event marshals on the day.

Published in Inland Waterways

Waterways Ireland advises all masters of vessels on and users of the Grand Canal that as part of the Green WIN project (more HERE), new deep well and flow devices are to be installed at Locks 35 and 36 at Shannon Harbour.

These works are due to begin Monday 25 September and will continue for around eight weeks, until mid-to-late November.

The works are land-based and navigation through the locks will not be affected, the cross-border body for Ireland’s inland waterways adds.

Published in Inland Waterways

Waterways Ireland advises all masters of vessels on and users of the Grand Canal that it will be carrying out maintenance works on a damaged section of the north quay wall in Shannon Harbour.

Works will begin on Monday 25 September and will last around seven weeks until mid November, from 9am to 5pm each day.

A section of the harbour wall will be closed off to boat users during this time.

The access road to the north of Shannon Harbour will also be closed to public traffic and only local traffic will be permitted access.

Water levels in Shannon Harbour may have to be lowered for a time to allow these works to be completed, the cross-border body for Ireland’s inland waterways adds.

Published in Inland Waterways
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Sharks in Irish waters

Irish waters are home to 71 species of shark, skates and rays, 58 of which have been studied in detail and listed on the Ireland Red List of Cartilaginous fish. Irish sharks range from small Sleeper sharks, Dogfish and Catsharks, to larger species like Frilled, Mackerel and Cow sharks, all the way to the second largest shark in the world, the Basking shark. 

Irish waters provide a refuge for an array of shark species. Tralee Bay, Co. Kerry provides a habitat for several rare and endangered sharks and their relatives, including the migratory tope shark, angel shark and undulate ray. This area is also the last European refuge for the extremely rare white skate. Through a European Maritime and Fisheries Fund (EMFF) project, Marine Institute scientists have been working with fishermen to assess the distribution, diversity, and monthly relative abundance of skates and rays in Tralee, Brandon and Dingle Bays.

“These areas off the southwest coast of Ireland are important internationally as they hold some of the last remaining refuges for angel shark and white skate,” said Dr Maurice Clarke of the Marine Institute. “This EMFF project has provided data confirming the critically endangered status of some species and provides up-to-date information for the development of fishery measures to eliminate by-catch.” 

Irish waters are also home to the Black Mouthed Catshark, Galeus melastomus, one of Ireland’s smallest shark species which can be found in the deep sea along the continental shelf. In 2018, Irish scientists discovered a very rare shark-nursery 200 nautical miles off the west coast by the Marine Institute’s ROV Holland 1 on a shelf sloping to 750 metres deep. 

There are two ways that sharks are born, either as live young or from egg casings. In the ‘case’ of Black Mouthed Catsharks, the nursery discovered in 2018, was notable by the abundance of egg casings or ‘mermaid’s purses’. Many sharks, rays and skate lay eggs, the cases of which often wash ashore. If you find an egg casing along the seashore, take a photo for Purse Search Ireland, a citizen science project focusing on monitoring the shark, ray and skate species around Ireland.

Another species also found by Irish scientists using the ROV Holland 1 in 2018 was a very rare type of dogfish, the Sail Fin Rough Shark, Oxynotus paradoxus. These sharks are named after their long fins which resemble the trailing sails of a boat, and live in the deep sea in waters up to 750m deep. Like all sharks, skates and rays, they have no bones. Their skeleton is composed of cartilage, much like what our noses and ears are made from! This material is much more flexible and lighter than bone which is perfect for these animals living without the weight of gravity.

Throughout history sharks have been portrayed as the monsters of the sea, a concept that science is continuously debunking. Basking sharks were named in 1765 as Cetorhinus maximus, roughly translated to the ‘big-nosed sea monster’. Basking sharks are filter feeders, often swimming with their mouths agape, they filter plankton from the water.

They are very slow moving and like to bask in the sun in shallow water and are often seen in Irish waters around Spring and early Summer. To help understand the migration of these animals to be better able to understand and conserve these species, the Irish Basking Shark Group have tagged and mapped their travels.

Remarkably, many sharks like the Angel Shark, Squatina squatina have the ability to sense electricity. They do this via small pores in their skin called the ‘Ampullae of Lorenzini’ which are able to detect the tiny electrical impulses of a fish breathing, moving or even its heartbeat from distances of over a kilometre! Angel sharks, often referred to as Monkfish have a distinctively angelic shape, with flattened, large fins appearing like the wings of an angel. They live on the seafloor in the coastal waters of Ireland and much like a cat are nocturnal, primarily active at night.

The intricate complexity of shark adaptations is particularly noticeable in the texture of their skin. Composed of miniscule, perfectly shaped overlapping scales, the skin of shark provides them with protection. Often shark scales have been compared to teeth due to their hard enamel structure. They are strong, but also due to their intricate shape, these scales reduce drag and allow water to glide past them so that the shark can swim more effortlessly and silently. This natural flawless design has been used as inspiration for new neoprene fabric designs to help swimmers glide through the water. Although all sharks have this feature, the Leafscale Gulper Shark, Centrophorus squamosus, found in Ireland are specifically named due to the ornate leaf-shape of their scales.