I-WeBS Hynestown Lake Naul 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 Hynestown Lake Naul (site code 0U003) 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 | Hynestown Lake Naul - 5 Year | Hynestown Lake Naul - 12 Year | Hynestown Lake Naul - 23 Year | Long Term Trend |
|---|---|---|---|---|
| Lapwing | 247.6 | -8.8 | -88.8 | Large Decline |
| Pochard | 788.9 | 17.6 | -76.8 | Large Decline |
| Curlew | 536.4 | -43.1 | -73.9 | Large Decline |
| Tufted Duck | 221.4 | -57.1 | -66.7 | Large Decline |
| Wigeon | 76.5 | 718.2 | -66.4 | Large Decline |
| Grey Heron | 114.7 | -36.0 | -55.2 | Large Decline |
| Coot | 271.4 | 13.0 | -49.8 | Moderate Decline |
| Great Crested Grebe | 406.7 | -10.6 | -44.9 | Moderate Decline |
| Mallard | 152.9 | -60.6 | -38.6 | Moderate Decline |
| Little Grebe | 118.9 | 30.6 | -37.2 | Moderate Decline |
| Golden Plover | 1740.0 | -84.3 | -35.7 | Moderate Decline |
| Teal | 56.5 | 66.2 | -19.4 | Intermediate Decline |
| Mute Swan | -34.2 | 35.9 | 27.7 | Stable or Increasing |
| Cormorant | 1085.7 | -48.4 | 48.2 | Stable or Increasing |
Species Analysis
Mute Swan
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Hynestown Lake Naul | -34.2 | 35.9 | 27.7 |
| National | 4.6 | 9.6 | 13.8 |
Wigeon
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Hynestown Lake Naul | 76.5 | 718.2 | -66.4 |
| National | 0.9 | -17.0 | -18.2 |
Mallard
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Hynestown Lake Naul | 152.9 | -60.6 | -38.6 |
| National | -11.3 | -19.7 | -19.1 |
Teal
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Hynestown Lake Naul | 56.5 | 66.2 | -19.4 |
| National | 1.8 | 5.7 | 19.4 |
Pochard
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Hynestown Lake Naul | 788.9 | 17.6 | -76.8 |
| National | -19.8 | -60.4 | -79.1 |
Tufted Duck
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Hynestown Lake Naul | 221.4 | -57.1 | -66.7 |
| National | -20.7 | -28.9 | -17.9 |
Coot
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Hynestown Lake Naul | 271.4 | 13.0 | -49.8 |
| National | -10.1 | 1.1 | -23.2 |
Little Grebe
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Hynestown Lake Naul | 118.9 | 30.6 | -37.2 |
| National | 6.1 | 16.7 | 38.2 |
Great Crested Grebe
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Hynestown Lake Naul | 406.7 | -10.6 | -44.9 |
| National | -39.5 | -6.1 | -10.8 |
Lapwing
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Hynestown Lake Naul | 247.6 | -8.8 | -88.8 |
| National | -6.5 | -45.1 | -63.9 |
Golden Plover
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Hynestown Lake Naul | 1740.0 | -84.3 | -35.7 |
| National | -16.9 | -58.1 | -54.1 |
Curlew
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Hynestown Lake Naul | 536.4 | -43.1 | -73.9 |
| National | -9.4 | -23.7 | -43.1 |
Cormorant
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Hynestown Lake Naul | 1085.7 | -48.4 | 48.2 |
| National | 38.5 | 8.4 | 42.9 |
Grey Heron
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Hynestown Lake Naul | 114.7 | -36.0 | -55.2 |
| 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)