To help with the identification of Japanese knotweed, New Zealand pigmyweed & the Curly-leaved waterweed, CAISIE have created short clips on the main identifying features of these species. Most people will have encountered Japanese knotweed on roadsides or river banks. New Zealand pigmyweed is an aquatic invasive plant, but can be seen growing in damp [...]
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An EU Life+ CAISIE Project talk on ‘Aquatic Invasive Species in Ireland’ was given to the students and staff of the Zoology Department in the National University of Ireland Galway (NUIG) on the 22nd of January as part of their seminar series. Dr Michael Millane provided an overview on the range of aquatic invasive species [...]
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The CAISIE Project team were present at the 50th Oughterard Agricultural Show last weekend which provided an ideal opportunity to interact with members of the public including local anglers and boaters in the Lough Corrib area. An aquatic invasive species (AIS) demonstration and information stand was in place where members of the CAISIE project and [...]
Continue reading about The CAISIE Project attend 50th Oughterard Agricultural Show
The CAISIE Project were delighted to have the opportunity to provide an overview on the issue of aquatic invasive species in Ireland to fisheries managers and scientists from the Swedish Agency for Marine and Water Management. The delegation were in Galway yesterday to meet senior researchers from Inland Fisheries Ireland and view the Corrib fishery [...]
Birchall Pier is a frequently used mooring and access point for boating anglers in the west of Lough Corrib. The inner section of the bay is shallow in character (<1.5 m). It supports an infestation of the invasive Lagarosiphon major which often forms dense canopies close to or on the water surface. As such, the [...]
Minister Fergus O’Dowd launched a smart phone app to help fight the war against aquatic invasive species and pathogens in Ireland at the famous Galway Weir yesterday, along with a disinfection facility for salmon anglers at the Inland Fisheries Ireland fishery; and a handy and durable set of invasive species [...]
This is the third CAISIE (Control of Aquatic Invasive Species and Restoration of Natural Communities in Ireland) Project Bulletin. In this issue we have updates on aquatic invasive species (AIS) control and some related research from our two project areas, Lough Corrib and the Grand Canal & Barrow Navigation. In addition, we outline some of [...]
Two officials from the Department of Culture, Arts and Leisure Northern Ireland (DCAL; Peter Lynch and Jack McIlheron) recently visited Lough Corrib to inspect the mechanical cutting and harvesting boats used by Inland Fisheries Ireland (IFI) and the EU Life+ CAISIE project to control the invasive curly-leaved waterweed Lagarosiphon major in the lake. The weed [...]
Recent collapse of erect Lagarosiphon major canopy at Ard Point in Lough Corrib in April 2021.
The extensive canopies of Lagarosiphon major evident on the water surface throughout the autumn to spring period are now beginning to subside and collapse to the lake floor smothering the surrounding native keystone Charophyte habitat. The aeriel roots of this [...]
Continue reading about Collapse of erect L. major canopy at Ard Point, Lough Corrib
What is you name?
Lagarosiphon major.
That’s a long name do you have a common name?
Curly leaved waterweed
Where do you live?
I like freshwater lakes, canals, slow flowing rivers and streams.
Where do you come from?
I come from Southern Africa, but I am now invasive to mainland Europe, the UK and Ireland.
How did you get here?
I was brought into [...]
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