I-WeBS Lough Owel 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 Owel (site code 0W004) 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 Owel - 5 Year | Lough Owel - 12 Year | Lough Owel - 23 Year | Long Term Trend |
|---|---|---|---|---|
| Curlew | 66.7 | -76.8 | -87.4 | Large Decline |
| Wigeon | -0.6 | -32.6 | -73.8 | Large Decline |
| Pochard | -41.7 | -70.6 | -66.8 | Large Decline |
| Goldeneye | 14.1 | -2.7 | -60.5 | Large Decline |
| Lapwing | -12.9 | 41.2 | -50.3 | Large Decline |
| Shoveler | -9.7 | -78.4 | -44.5 | Moderate Decline |
| Tufted Duck | -58.0 | -59.9 | -26.8 | Moderate Decline |
| Coot | -7.6 | -1.0 | -9.5 | Intermediate Decline |
| Grey Heron | 44.1 | -20.3 | 6.5 | Stable or Increasing |
| Cormorant | 3.4 | 12.2 | 17.9 | Stable or Increasing |
| Great Crested Grebe | -9.7 | -39.0 | 26.4 | Stable or Increasing |
| Teal | -34.9 | -55.7 | 28.4 | Stable or Increasing |
| Mallard | -21.0 | 137.0 | 60.0 | Stable or Increasing |
| Little Grebe | 86.7 | -21.1 | 69.7 | Stable or Increasing |
| Mute Swan | 7.5 | 280.0 | 132.7 | Stable or Increasing |
| Golden Plover | 153.0 | NA | 2285.7 | Stable or Increasing |
Species Analysis
Mute Swan
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Owel | 7.5 | 280.0 | 132.7 |
| National | 4.6 | 9.6 | 13.8 |
Shoveler
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Owel | -9.7 | -78.4 | -44.5 |
| National | 23.0 | -21.3 | -10.8 |
Wigeon
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Owel | -0.6 | -32.6 | -73.8 |
| National | 0.9 | -17.0 | -18.2 |
Mallard
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Owel | -21.0 | 137.0 | 60.0 |
| National | -11.3 | -19.7 | -19.1 |
Teal
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Owel | -34.9 | -55.7 | 28.4 |
| National | 1.8 | 5.7 | 19.4 |
Pochard
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Owel | -41.7 | -70.6 | -66.8 |
| National | -19.8 | -60.4 | -79.1 |
Tufted Duck
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Owel | -58.0 | -59.9 | -26.8 |
| National | -20.7 | -28.9 | -17.9 |
Goldeneye
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Owel | 14.1 | -2.7 | -60.5 |
| National | -32.5 | -39.0 | -66.9 |
Coot
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Owel | -7.6 | -1.0 | -9.5 |
| National | -10.1 | 1.1 | -23.2 |
Little Grebe
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Owel | 86.7 | -21.1 | 69.7 |
| National | 6.1 | 16.7 | 38.2 |
Great Crested Grebe
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Owel | -9.7 | -39.0 | 26.4 |
| National | -39.5 | -6.1 | -10.8 |
Lapwing
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Owel | -12.9 | 41.2 | -50.3 |
| National | -6.5 | -45.1 | -63.9 |
Golden Plover
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Owel | 153.0 | NA | 2285.7 |
| National | -16.9 | -58.1 | -54.1 |
Curlew
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Owel | 66.7 | -76.8 | -87.4 |
| National | -9.4 | -23.7 | -43.1 |
Cormorant
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Owel | 3.4 | 12.2 | 17.9 |
| National | 38.5 | 8.4 | 42.9 |
Grey Heron
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Owel | 44.1 | -20.3 | 6.5 |
| National | 1.0 | -4.9 | 6.6 |
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)