I-WeBS Pollnagarragh Marshes 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 Pollnagarragh Marshes (site code 0G326) 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 | Pollnagarragh Marshes - 5 Year | Pollnagarragh Marshes - 12 Year | Pollnagarragh Marshes - 23 Year | Long Term Trend |
|---|---|---|---|---|
| Lapwing | -22.9 | -21.0 | -86.9 | Large Decline |
| Dunlin | 22.7 | -18.4 | -84.6 | Large Decline |
| Golden Plover | 26.4 | 250.0 | -77.5 | Large Decline |
| Curlew | 100.0 | -46.4 | -76.4 | Large Decline |
| Shoveler | -28.7 | 304.2 | -58.4 | Large Decline |
| Mallard | -14.9 | 5.1 | -16.4 | Intermediate Decline |
| Wigeon | -29.4 | 23.7 | -8.0 | Intermediate Decline |
| Teal | -49.7 | 0.0 | -7.9 | Intermediate Decline |
| Mute Swan | -17.2 | 71.2 | 22.5 | Stable or Increasing |
| Tufted Duck | -29.1 | 282.1 | 33.8 | Stable or Increasing |
| Coot | 40.8 | 130.0 | 76.9 | Stable or Increasing |
| Black-tailed Godwit | -5.9 | 65.5 | 300.0 | Stable or Increasing |
Species Analysis
Mute Swan
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Pollnagarragh Marshes | -17.2 | 71.2 | 22.5 |
| National | 4.6 | 9.6 | 13.8 |
Shoveler
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Pollnagarragh Marshes | -28.7 | 304.2 | -58.4 |
| National | 23.0 | -21.3 | -10.8 |
Wigeon
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Pollnagarragh Marshes | -29.4 | 23.7 | -8.0 |
| National | 0.9 | -17.0 | -18.2 |
Mallard
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Pollnagarragh Marshes | -14.9 | 5.1 | -16.4 |
| National | -11.3 | -19.7 | -19.1 |
Teal
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Pollnagarragh Marshes | -49.7 | 0.0 | -7.9 |
| National | 1.8 | 5.7 | 19.4 |
Tufted Duck
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Pollnagarragh Marshes | -29.1 | 282.1 | 33.8 |
| National | -20.7 | -28.9 | -17.9 |
Coot
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Pollnagarragh Marshes | 40.8 | 130.0 | 76.9 |
| National | -10.1 | 1.1 | -23.2 |
Lapwing
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Pollnagarragh Marshes | -22.9 | -21.0 | -86.9 |
| National | -6.5 | -45.1 | -63.9 |
Golden Plover
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Pollnagarragh Marshes | 26.4 | 250.0 | -77.5 |
| National | -16.9 | -58.1 | -54.1 |
Curlew
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Pollnagarragh Marshes | 100.0 | -46.4 | -76.4 |
| National | -9.4 | -23.7 | -43.1 |
Black-tailed Godwit
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Pollnagarragh Marshes | -5.9 | 65.5 | 300.0 |
| National | 22.5 | 25.0 | 92.3 |
Dunlin
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Pollnagarragh Marshes | 22.7 | -18.4 | -84.6 |
| National | 5.9 | -21.2 | -45.2 |
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)