I-WeBS Broadmeadow (Malahide) Estuary 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 Broadmeadow (Malahide) Estuary (site code 0U408) 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 | Broadmeadow (Malahide) Estuary - 5 Year | Broadmeadow (Malahide) Estuary - 12 Year | Broadmeadow (Malahide) Estuary - 23 Year | Long Term Trend |
|---|---|---|---|---|
| Pochard | -13.3 | -82.2 | -95.7 | Large Decline |
| Golden Plover | -69.2 | -89.3 | -89.3 | Large Decline |
| Sanderling | -91.0 | 2.3 | -87.2 | Large Decline |
| Tufted Duck | -40.5 | -24.1 | -82.6 | Large Decline |
| Lapwing | -56.5 | -58.8 | -81.0 | Large Decline |
| Goldeneye | -26.6 | -58.9 | -79.1 | Large Decline |
| Gadwall | -96.5 | -74.5 | -72.7 | Large Decline |
| Grey Plover | -33.3 | -70.2 | -69.4 | Large Decline |
| Dunlin | 2.9 | -32.0 | -63.1 | Large Decline |
| Pintail | -16.2 | -70.7 | -57.9 | Large Decline |
| Curlew | -9.4 | -45.1 | -56.4 | Large Decline |
| Knot | 33.7 | 51.9 | -42.0 | Moderate Decline |
| Ringed Plover | 47.7 | -13.9 | -39.3 | Moderate Decline |
| Red-breasted Merganser | -24.8 | -8.4 | -37.7 | Moderate Decline |
| Turnstone | -37.6 | -73.7 | -36.3 | Moderate Decline |
| Redshank | -11.8 | -55.6 | -33.3 | Moderate Decline |
| Shelduck | -4.5 | -29.8 | -26.6 | Moderate Decline |
| Oystercatcher | -15.2 | -17.6 | -9.3 | Intermediate Decline |
| Great Crested Grebe | -34.3 | -22.3 | 1.8 | Stable or Increasing |
| Light-bellied Brent Goose | -32.1 | -38.9 | 5.8 | Stable or Increasing |
| Wigeon | 18.5 | -59.6 | 6.2 | Stable or Increasing |
| Bar-tailed Godwit | -35.2 | -57.3 | 8.6 | Stable or Increasing |
| Greenshank | 0.8 | 40.0 | 12.5 | Stable or Increasing |
| Black-tailed Godwit | 88.1 | 49.1 | 23.4 | Stable or Increasing |
| Grey Heron | 2.0 | -29.9 | 33.8 | Stable or Increasing |
| Mallard | 4.6 | -27.8 | 52.0 | Stable or Increasing |
| Mute Swan | 27.9 | 7.8 | 52.8 | Stable or Increasing |
| Teal | 14.9 | -21.6 | 87.1 | Stable or Increasing |
| Cormorant | 28.9 | -14.0 | 108.5 | Stable or Increasing |
| Shoveler | 182.1 | 137.2 | 436.0 | Stable or Increasing |
| Little Grebe | 173.9 | 530.0 | 563.2 | Stable or Increasing |
| Little Egret | 40.9 | 32.9 | 564.3 | Stable or Increasing |
Species Analysis
Light-bellied Brent Goose
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | -32.1 | -38.9 | 5.8 |
| National | -11.2 | 1.2 | 93.3 |
Mute Swan
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | 27.9 | 7.8 | 52.8 |
| National | 4.6 | 9.6 | 13.8 |
Shelduck
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | -4.5 | -29.8 | -26.6 |
| National | 6.3 | -0.8 | 9.3 |
Shoveler
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | 182.1 | 137.2 | 436.0 |
| National | 23.0 | -21.3 | -10.8 |
Gadwall
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | -96.5 | -74.5 | -72.7 |
| National | -26.5 | 4.3 | 24.4 |
Wigeon
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | 18.5 | -59.6 | 6.2 |
| National | 0.9 | -17.0 | -18.2 |
Mallard
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | 4.6 | -27.8 | 52.0 |
| National | -11.3 | -19.7 | -19.1 |
Pintail
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | -16.2 | -70.7 | -57.9 |
| National | -0.8 | -6.0 | -13.7 |
Teal
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | 14.9 | -21.6 | 87.1 |
| National | 1.8 | 5.7 | 19.4 |
Pochard
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | -13.3 | -82.2 | -95.7 |
| National | -19.8 | -60.4 | -79.1 |
Tufted Duck
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | -40.5 | -24.1 | -82.6 |
| National | -20.7 | -28.9 | -17.9 |
Goldeneye
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | -26.6 | -58.9 | -79.1 |
| National | -32.5 | -39.0 | -66.9 |
Red-breasted Merganser
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | -24.8 | -8.4 | -37.7 |
| National | -12.9 | 5.2 | -14.7 |
Little Grebe
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | 173.9 | 530.0 | 563.2 |
| National | 6.1 | 16.7 | 38.2 |
Great Crested Grebe
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | -34.3 | -22.3 | 1.8 |
| National | -39.5 | -6.1 | -10.8 |
Oystercatcher
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | -15.2 | -17.6 | -9.3 |
| National | -17.5 | -31.1 | 10.8 |
Lapwing
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | -56.5 | -58.8 | -81.0 |
| National | -6.5 | -45.1 | -63.9 |
Golden Plover
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | -69.2 | -89.3 | -89.3 |
| National | -16.9 | -58.1 | -54.1 |
Grey Plover
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | -33.3 | -70.2 | -69.4 |
| National | -30.6 | -39.4 | -57.8 |
Ringed Plover
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | 47.7 | -13.9 | -39.3 |
| National | -4.3 | -26.8 | -1.1 |
Curlew
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | -9.4 | -45.1 | -56.4 |
| National | -9.4 | -23.7 | -43.1 |
Bar-tailed Godwit
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | -35.2 | -57.3 | 8.6 |
| National | -32.6 | -13.9 | -5.1 |
Black-tailed Godwit
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | 88.1 | 49.1 | 23.4 |
| National | 22.5 | 25.0 | 92.3 |
Turnstone
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | -37.6 | -73.7 | -36.3 |
| National | -33.6 | -46.0 | -23.7 |
Knot
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | 33.7 | 51.9 | -42.0 |
| National | 0.0 | -12.2 | -9.8 |
Sanderling
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | -91.0 | 2.3 | -87.2 |
| National | -23.8 | -11.1 | 84.6 |
Dunlin
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | 2.9 | -32.0 | -63.1 |
| National | 5.9 | -21.2 | -45.2 |
Redshank
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | -11.8 | -55.6 | -33.3 |
| National | -14.0 | -28.4 | 6.7 |
Greenshank
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | 0.8 | 40.0 | 12.5 |
| National | 0.9 | 7.3 | 41.0 |
Cormorant
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | 28.9 | -14.0 | 108.5 |
| National | 38.5 | 8.4 | 42.9 |
Grey Heron
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | 2.0 | -29.9 | 33.8 |
| National | 1.0 | -4.9 | 6.6 |
Little Egret
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Broadmeadow (Malahide) Estuary | 40.9 | 32.9 | 564.3 |
| National | 34.6 | 61.5 | 483.3 |
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)