I-WeBS Dundalk Bay Trends Report
I-WeBS Trends Report 1994/95 – 2019/20
First Published 2022-04-03, Updated 2023-08-17
Introduction
This report presents site trends based on the data gathered by the Irish Wetland Bird Survey (I-WeBS). Only species with sufficient data at Dundalk Bay (site code 0Z401) are presented.
This report is part of the I-WeBS National and Site Trends Report 1994/95 – 2019/20.
For guidance on how to interpret these trends, please see the I-WeBS Trends Report Guidance.
For details on the methods used to generate these trends, please see the I-WeBS Trends Report Methodology.
Site Summary
| Species | Dundalk Bay - 5 Year | Dundalk Bay - 12 Year | Dundalk Bay - 23 Year | Long Term Trend |
|---|---|---|---|---|
| Knot | -33.0 | -22.5 | -42.7 | Moderate Decline |
| Dunlin | 31.5 | -26.0 | -39.1 | |
| Goldeneye | -51.3 | 81.9 | -38.8 | |
| Great Crested Grebe | 110.1 | 0.6 | -36.4 | |
| Lapwing | -9.5 | -21.1 | -36.4 | |
| Red-breasted Merganser | -43.5 | -18.6 | -32.4 | |
| Curlew | 19.1 | -1.8 | -25.3 | |
| Grey Plover | -19.1 | 65.2 | -16.2 | Intermediate Decline |
| Shelduck | 3.2 | -42.1 | -15.2 | |
| Mallard | -25.9 | -29.3 | -14.0 | |
| Wigeon | 21.1 | -26.6 | -6.1 | |
| Bar-tailed Godwit | -32.6 | -23.6 | 0.0 | Stable or Increasing |
| Golden Plover | -14.5 | -50.4 | 0.9 | |
| Mute Swan | 84.2 | 7.1 | 1.9 | |
| Oystercatcher | -10.5 | -50.2 | 2.3 | |
| Grey Heron | 29.5 | -2.9 | 14.8 | |
| Ringed Plover | -30.9 | -51.5 | 15.3 | |
| Redshank | -9.7 | -47.9 | 17.8 | |
| Turnstone | -46.1 | -24.1 | 22.4 | |
| Pintail | 17.2 | -36.4 | 25.4 | |
| Cormorant | 47.2 | -46.2 | 39.5 | |
| Teal | 28.1 | -38.0 | 46.2 | |
| Light-bellied Brent Goose | -7.4 | 89.9 | 206.1 | |
| Black-tailed Godwit | 8.0 | -3.3 | 228.9 |
Species Analysis
Mute Swan
Light-bellied Brent Goose
Shelduck
Wigeon
Teal
Mallard
Pintail
Goldeneye
Red-breasted Merganser
Great Crested Grebe
Cormorant
Grey Heron
Oystercatcher
Ringed Plover
Golden Plover
Grey Plover
Lapwing
Knot
Dunlin
Black-tailed Godwit
Bar-tailed Godwit
Curlew
Redshank
Turnstone
Citations
Please cite this work as follows:
Kennedy, J., Burke, B., Fitzgerald, N., Kelly, S.B.A., Walsh, A.J. & Lewis, L.J. 2023. Irish Wetland Bird Survey: I-WeBS National and Site Trends Report 1994/95 – 2019/20. BirdWatch Ireland Waterbird Report to the National Parks and Wildlife Service. BirdWatch Ireland, Wicklow. (https://birdwatchireland.ie/app/uploads/2023/08/iwebs_trends_report.html)