Up-dated distribution maps – Oct 2014

Database Updates

Records were added and distribution maps up-dated for 33 species.

Of particular interest are records received for species that are currently only known from few areas including:

  • a first record for Japanese kelp (Undaria pinnatifida) in the Republic of Ireland, see Species Alert news item
  • a record for Asian clam (Corbicula fluminea) in Lanesborough, Co. Longford
  • two raccoon (Procyon lotor) sightings, one in Co. Tipperary and another in Dublin City
  • 39 records of Harlequin ladybird (Harmonia axyridis) all for Cork City except a first record for Dublin, seen in Phoenix Park.

View the distribution of each of these species from the interactive Biodiversity Maps http://maps.biodiversityireland.ie

Species added- Caprella mutica

Database Updates

species inserted to the database: Japanese skeleton shrimp (Caprella mutica)

Date inserted:October, 2013

Reason for was insertion:

Additional notes: This species was first recorded in Ireland on July 16th, 2003 during a routine visit to a salmon farm in Bertraghbouy Bay, Co. Galway.  It has since been recorded in four additional sites in Ireland.  Records for three of the sites will be loaded into Biodiversity Maps in December.

Published journal papers on this species occurrence in Ireland:

  • Tierney, T.D. et al (2004) On the occurance of the caprellid amphipod, Caprella mutica Schurin 1935, in Ireland. Ir. Nat. J. Volume 27, No. 11.
  • Cook, E.J. et al (2006) European expansion of the introduced amphipod Caprella mutica Schurin 1935.  Aquatic Invasions Vol. 2, Issue 4: 411-421.

Interactive map link: http://maps.biodiversityireland.ie/#/Map/NbdcTerrestrial/Species/11192

Up-dated distribution maps – Oct 2013

Database Updates

Records were added and distribution maps up-dated for 60 species including  a map being added for

  • Japanese skeleton shrimp (Caprella mutica)

This species was first recorded in Ireland on July 16th, 2003 during a routine visit to a salmon farm in Bertraghbouy Bay, Co. Galway.  It has since been recorded in four additional sites in Ireland.  Records for three of the sites will be loaded into Biodiversity Maps in December.  An up-date of the risk assessment repeated in 2013 resulted in this species being ranked as medium impact with uncertain risk see: http://invasivespeciesireland.com/toolkit/risk-assessment/amber-list-recorded-species/


There are currently 34,800 records for the 103 species listed in the National Invasive Species Database  in Biodiversity Maps.

Download a copy of the up-dated species Quick View Maps (this is a static map pdf).

Access interactive maps and species profiles for invasive species in Ireland through the Access Database button

Species added – Styela clava

Database Updates

Species inserted to the database: Asian sea squirt (Styela clava)

Date inserted: June, 2013

Reason for was insertion:

Additional notes: published Aquatic Invasions journal papers on this species occurrence in Ireland

  • Nunn, J. and Minchin, D. (2009) Aquatic Invasions Vol. 4, Issue 4: 591-607
  • Minchin et al (2006) Aquatic Invasions Vol. 1, Issue 2: 91-96.

Interactive map link: http://maps.biodiversityireland.ie/#/Species/134386

Species added – Undaria pinnatifida

Database Updates

Species inserted to the database: Japanese kelp (Undaria pinnatifida)

Date inserted: June, 2013

Reason for was insertion:

Additional notes: just one individual seen. While the species was first reported to the Data Centre late 2012, a Species Alert poster was not was issued until in June 2013 to allow for the Northern Ireland Environment Agency to correspond fully with the recorders and site managers.

Download the Species Alert poster: Japanese kelp (Undaria pinnatifida)

Interactive map link: http://maps.biodiversityireland.ie/#/Species/763