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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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 [...]

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CAISIE on July 17th, 2012

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 [...]

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The invasive New Zealand Pigmyweed exposed after partial drainage of Grand Canal section

New Zealand Pigmyweed (Crassula helmsii) is an aggressive alien invasive weed that was introduced to Ireland as an ornamental species for use in the horticulture trade. It can grow submerged in up to 2 m water depth but is also capable of growing out of water.
It can grow luxuriantly when it is introduced to suitable [...]

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CAISIE team discussing problems and mediation measures related to the spread of invasive species in Irish waterways to the boating fraternity, Shannon Harbour Boating Rally, June 2011 (photo, S. Evers).

CAISIE staff attended the 40th Shannon Harbour Boating Rally on the 18th of June 2011. This event formed an ideal platform on which to highlight the issues relating to aquatic invasive species in Irish waterways to the boating fraternity. The aim of the event was to demonstrate effective methods of biosecurity to minimise the movement [...]

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Press Release March 16th, 2011.
Non–native aquatic invasive species are now an unwelcome feature in many sections of the Grand Canal and Barrow navigation. The abundant growth of some of the invasive plant species can fill the water channel and make conditions difficult for navigation, angling and other water-based pursuits. The aquatic weed control methods operated by [...]

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admin on March 14th, 2011

MARINE NOTICE
No. 21 of 2011
Continuation of Jute Matting Trials
Grand Canal and Barrow Navigation
Waterways Ireland wish to advise all masters and users of craft on
the Grand Canal and Barrow Navigation that a series of trials which commenced in November 2010 are to be continued into the 2011 boating season.
The trials involve the use of jute matting [...]

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This Action Plan has been developed in the context of the CAISIE Life+ Project Brief and
covers the Grand Canal and Barrow Navigation. CAISIE is the acronym for the ‘Control of
Aquatic Invasive Species and Restoration of Natural Communities in Ireland’ and the main
project objectives are to:

Control and possibly eradicate Aquatic Invasive Species
Consider the effects of [...]

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by Stephanie Evers
Summer surveys of the Grand Canal and Barrow navigation are well underway as part of the CAISIE project
Following the discovery of the Asian clam in April 2010, sampling trips have been undertaken to try to discover the full extent of the clam infestation.
The area around St. Mullins has been a [...]

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Biosecurity information presentation at the NCFFI junior angling competition, May 2010
Information and a demonstration was given by staff from the CAISIE team on biosecurity techniques and invasive species to all who attended the NCFFI Junior angling competition on Sat the 29th of May, 2010 at Ferns Lock, Kilcock. Turn out for the event was great [...]

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