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 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 [...]

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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 [...]

Continue reading about Installation of jute matting corridor to mitigate for the boat-mediated spread of Lagarosiphon major in Birchall Bay, Lough Corrib

Aquatic Invasive Species (AIS) and fish parasites or diseases are readily transferred from one water body to another on diving gear, boats and protective clothing. These can be very damaging to resident fish stocks, the aquatic habitat and the general environment. In order to ensure that invasive species and fish diseases are not inadvertently transferred [...]

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CAISIE on June 8th, 2012

As part of Fisheries Awareness Week, IFI in association with the EU Life+ CAISIE project organised a ‘Balsam Bash’ in Clashganny to remove Himalayan balsam (Impatiens glandulifera) from the banks of the River Barrow.  This event was reflected by others around the country in Dublin, Mayo and elsewhere. The events  gave local volunteers, such as [...]

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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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Himalyan balsam in bloom

16th June 2011
Background
Himalayan Balsam (Impatiens glandulifera) control operations were undertaken at a site near Carlow from the 7th to 10th June 2011. This invasive plant is currently spreading along the banks of the River Barrow (and many other Irish rivers). Impatiens glandulifera is a highly invasive annual weed, which has spread rapidly throughout the UK [...]

Continue reading about Volunteer operation control trials: Himalayan balsam (Impatiens glandulifera) via hand picking on the Barrow Navigation

admin on June 10th, 2011
Caisie at the Bloom Flower Show

CAISIE hosted a display at the Bloom Flower Show from Thursday 2nd to Monday 6th June 2011. Bloom is Ireland’s largest gardening, food and family event. The show attracted almost 90,000 visitors to the 70 acre site at the Visitor’s Centre in the Phoenix Park in Dublin. The CAISIE project team had an opportunity to [...]

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Recent collapse of erect Lagarosiphon major canopy at Ard Point in Lough Corrib in April 2011.
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 [...]

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