I-WeBS Lower Blackwater River Trends Report
I-WeBS Trends Report 1994/95 – 2019/20
First Published 2022-04-03, Updated 2023-08-17
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 Lower Blackwater River (site code 0M304) 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 | Lower Blackwater River - 5 Year | Lower Blackwater River - 12 Year | Lower Blackwater River - 23 Year | Long Term Trend |
|---|---|---|---|---|
| Lapwing | -60.2 | -30.9 | -60.7 | Large Decline |
| Curlew | 32.3 | -13.1 | -60.0 | |
| Dunlin | 8.2 | 25.3 | -54.8 | |
| Golden Plover | -89.9 | -87.1 | -46.9 | Moderate Decline |
| Cormorant | 63.0 | -13.8 | -46.8 | |
| Mallard | -34.7 | -17.9 | -43.2 | |
| Wigeon | 32.1 | -28.8 | -39.0 | |
| Grey Heron | 3.6 | -20.4 | -34.4 | |
| Teal | -24.1 | -5.7 | -29.9 | |
| Redshank | 12.5 | -27.7 | -29.8 | |
| Black-tailed Godwit | -19.4 | 16.0 | -4.1 | Intermediate Decline |
Species Analysis
Wigeon
Teal
Mallard
Cormorant
Grey Heron
Golden Plover
Lapwing
Dunlin
Black-tailed Godwit
Curlew
Redshank
Citations
Please cite this work as follows:
Kennedy, J., Burke, B., Fitzgerald, N., Kelly, S.B.A., Walsh, A.J. & Lewis, L.J. 2023. 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/2023/08/iwebs_trends_report.html)