I-WeBS Lough Rea Trends Report
I-WeBS Trends Report 1994/95 – 2019/20
Published 2022-04-01
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 Lough Rea (site code 0G001) 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 | Lough Rea - 5 Year | Lough Rea - 12 Year | Lough Rea - 23 Year | Long Term Trend |
|---|---|---|---|---|
| Golden Plover | 446.2 | 16.4 | -91.8 | Large Decline |
| Lapwing | -41.1 | -17.6 | -80.0 | Large Decline |
| Goldeneye | -70.2 | -45.3 | -64.0 | Large Decline |
| Pochard | -44.0 | -28.4 | -58.1 | Large Decline |
| Wigeon | -21.0 | -21.7 | -56.7 | Large Decline |
| Curlew | 2.9 | -22.0 | -46.6 | Moderate Decline |
| Tufted Duck | 1.7 | -45.9 | -42.9 | Moderate Decline |
| Teal | 122.5 | 535.7 | -39.9 | Moderate Decline |
| Mallard | 56.7 | -14.6 | -37.9 | Moderate Decline |
| Shoveler | 21.2 | -34.0 | -7.2 | Intermediate Decline |
| Cormorant | 40.4 | -37.1 | -5.2 | Intermediate Decline |
| Great Crested Grebe | 2.5 | -47.9 | 6.9 | Stable or Increasing |
| Coot | -7.9 | 32.6 | 10.0 | Stable or Increasing |
| Little Grebe | -16.7 | -30.8 | 25.0 | Stable or Increasing |
| Mute Swan | 16.0 | 19.6 | 61.1 | Stable or Increasing |
Species Analysis
Mute Swan
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Rea | 16.0 | 19.6 | 61.1 |
| National | 4.6 | 9.6 | 13.8 |
Shoveler
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Rea | 21.2 | -34.0 | -7.2 |
| National | 23.0 | -21.3 | -10.8 |
Wigeon
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Rea | -21.0 | -21.7 | -56.7 |
| National | 0.9 | -17.0 | -18.2 |
Mallard
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Rea | 56.7 | -14.6 | -37.9 |
| National | -11.3 | -19.7 | -19.1 |
Teal
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Rea | 122.5 | 535.7 | -39.9 |
| National | 1.8 | 5.7 | 19.4 |
Pochard
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Rea | -44.0 | -28.4 | -58.1 |
| National | -19.8 | -60.4 | -79.1 |
Tufted Duck
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Rea | 1.7 | -45.9 | -42.9 |
| National | -20.7 | -28.9 | -17.9 |
Goldeneye
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Rea | -70.2 | -45.3 | -64.0 |
| National | -32.5 | -39.0 | -66.9 |
Coot
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Rea | -7.9 | 32.6 | 10.0 |
| National | -10.1 | 1.1 | -23.2 |
Little Grebe
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Rea | -16.7 | -30.8 | 25.0 |
| National | 6.1 | 16.7 | 38.2 |
Great Crested Grebe
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Rea | 2.5 | -47.9 | 6.9 |
| National | -39.5 | -6.1 | -10.8 |
Lapwing
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Rea | -41.1 | -17.6 | -80.0 |
| National | -6.5 | -45.1 | -63.9 |
Golden Plover
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Rea | 446.2 | 16.4 | -91.8 |
| National | -16.9 | -58.1 | -54.1 |
Curlew
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Rea | 2.9 | -22.0 | -46.6 |
| National | -9.4 | -23.7 | -43.1 |
Cormorant
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Rea | 40.4 | -37.1 | -5.2 |
| National | 38.5 | 8.4 | 42.9 |
Citations
Please cite this work as follows:
Kennedy, J., Burke, B., Fitzgerald, N., Kelly, S.B.A., Walsh, A.J. & Lewis, L.J. 2022. 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/2022/04/iwebs_trends_report.html)