I-WeBS Ballyhonock Lough 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 Ballyhonock Lough (site code 0L022) 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 | Ballyhonock Lough - 5 Year | Ballyhonock Lough - 12 Year | Ballyhonock Lough - 23 Year | Long Term Trend |
|---|---|---|---|---|
| Lapwing | -97.0 | -99.5 | -99.9 | Large Decline |
| Tufted Duck | -77.1 | -92.9 | -99.1 | Large Decline |
| Pochard | -64.6 | -90.4 | -98.6 | Large Decline |
| Wigeon | -3.1 | -81.2 | -92.3 | Large Decline |
| Coot | 130.5 | -67.5 | -87.4 | Large Decline |
| Mallard | -33.1 | -53.5 | -86.4 | Large Decline |
| Shoveler | 89.7 | -40.6 | -75.3 | Large Decline |
| Teal | 163.2 | 45.9 | -55.5 | Large Decline |
| Little Grebe | 33.3 | 25.7 | -29.4 | Moderate Decline |
| Cormorant | 43.9 | -14.6 | -8.9 | Intermediate Decline |
| Gadwall | -3.3 | -28.4 | -6.5 | Intermediate Decline |
| Mute Swan | 264.3 | 137.2 | 37.8 | Stable or Increasing |
| Grey Heron | 103.8 | 186.5 | 278.6 | Stable or Increasing |
Species Analysis
Mute Swan
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyhonock Lough | 264.3 | 137.2 | 37.8 |
| National | 4.6 | 9.6 | 13.8 |
Shoveler
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyhonock Lough | 89.7 | -40.6 | -75.3 |
| National | 23.0 | -21.3 | -10.8 |
Gadwall
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyhonock Lough | -3.3 | -28.4 | -6.5 |
| National | -26.5 | 4.3 | 24.4 |
Wigeon
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyhonock Lough | -3.1 | -81.2 | -92.3 |
| National | 0.9 | -17.0 | -18.2 |
Mallard
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyhonock Lough | -33.1 | -53.5 | -86.4 |
| National | -11.3 | -19.7 | -19.1 |
Teal
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyhonock Lough | 163.2 | 45.9 | -55.5 |
| National | 1.8 | 5.7 | 19.4 |
Pochard
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyhonock Lough | -64.6 | -90.4 | -98.6 |
| National | -19.8 | -60.4 | -79.1 |
Tufted Duck
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyhonock Lough | -77.1 | -92.9 | -99.1 |
| National | -20.7 | -28.9 | -17.9 |
Coot
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyhonock Lough | 130.5 | -67.5 | -87.4 |
| National | -10.1 | 1.1 | -23.2 |
Little Grebe
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyhonock Lough | 33.3 | 25.7 | -29.4 |
| National | 6.1 | 16.7 | 38.2 |
Lapwing
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyhonock Lough | -97.0 | -99.5 | -99.9 |
| National | -6.5 | -45.1 | -63.9 |
Cormorant
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyhonock Lough | 43.9 | -14.6 | -8.9 |
| National | 38.5 | 8.4 | 42.9 |
Grey Heron
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyhonock Lough | 103.8 | 186.5 | 278.6 |
| 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)