Up-dated distribution Maps – November 2011

Database Updates

Distribution maps for 51 species have been updated including a map being added for the following species:

  • Ship rat (Rattus rattus) also known as black rat
Of particular interest are additional sighting records being added for species recently found in Ireland including:
  • Harlequin ladybird (Harmonia axyridis) – 5 records added including two for breeding evidence
  • Muntjac deer (Muntiacus reevesi) – 12 records added mostly for Norther Ireland and one for Co. Cork
  • Siberian chipmunk (Tamias sibiricus) – 2 records added including one of animal shot and photographed in 2007

Also of interest is the continued recording of species in areas where they were previously unknown from:

  • Zebra mussel (Dreissena polymorpha)
  • Wire weed (Sargassum muticum)
  • Hottentot fig (Carpobrotus edulis)
  • New Zealand pigmyweed (Crassula helmsii)
  • New Zealand flatworm (Arthurdendyus triangulatus)
There are now 24,965 records for 98 invasive and potentially invasive species in Ireland

Download a pdf of  distribution maps for the 98 invasive species or access their interactive maps and additional information on the species through the  species search browser.

Up-dated distribution maps – August 2011

Database Updates

Distribution maps for 19 species have been updated including a map being added for the following species:

  • Raccoon (Proycon lotor)
  • Bohemian knotweed (Fallopia x bohemica)
Of particular interest are additional sighting records being added for species recently found in Ireland including:
  • Harlequin ladybird (Harmonia axyridis)
  • Asian clam (Corbicula fluminea)
  • Yellow bellied slider (Trachemys scripta scripta)

Also of interest is the continued recording of species in waterbodies where they were previously unknown from:

  • Zebra mussel (Dreissena polymorpha)
  • the freshwater Gammarus tigrinus
There are now 23,930 records for 97 invasive and potentially invasive species in Ireland

Download a pdf of  distribution maps for the 97 invasive species or access their interactive maps and additional information on the species through the  species search browser.

Updated distribution maps – March 2011

Database Updates

Distribution maps for 19 species have been updated and a map added for the following species:

  • Himalayan knotweed (Persicaria wallichii)
  • Brown rat (Rattus norvegicus)
The map for Ludwigia peploides was removed as the National Botanic Gardens Dublin have since grown the plant and reviewed it as being Ludwigia grandflora.

There are now 23,742 records for 95 invasive and potentially invasive species in Ireland

Many of the recently added records have come from the following distinct datasets:
  • Atlas of Mammals in Ireland 2010-2015
  • EPA River Biologists data
  • Irish Deer Database
  • National Invasive Species Database

Download a pdf of  distribution maps for the 95 invasive species or access their interactive maps and additional information on the species through the  species search browser.

Updated distribution maps – Nov 2010

Database Updates

Approximately 1000 records were added to the database in November, 2010.  Distribution maps for 37 species have been updated and a map added for the following species:

  • Chipmunk (Tamias sibiricus)
  • Red-eared Slider (Trachemys scripta subsp. elegans)
  • Slipper Limpet (Crepidula fornicata) (extinct records included and noted in comments of relevant records)
  • Water Primrose (Ludwigia peploides)

Download a pdf of  distribution maps for 94 invasive species or access their interactive maps and additional information on the species through the  species search  browser.

Updated distribution maps -Apr 2010

Database Updates

521 records were added to the database in April, 2010.  Distribution maps for 10 species have been updated and a map added for the recently recorded Corbicula fluminea (Asian Clam).

Download a pdf of  distribution maps for 90 invasive species or access their interactive maps through the  species search  browser.

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