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 Castlemaine Harbour & Rossbehy (site code 0K401) 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

Trend (%)
Species Castlemaine Harbour & Rossbehy - 5 Year Castlemaine Harbour & Rossbehy - 12 Year Castlemaine Harbour & Rossbehy - 23 Year Long Term Trend
Golden Plover 2.4 -81.7 -90.6 Large Decline
Turnstone -51.6 -73.9 -85.9 Large Decline
Grey Plover -64.0 -58.5 -80.6 Large Decline
Lapwing -36.8 -66.8 -77.5 Large Decline
Ringed Plover -32.5 -72.2 -68.3 Large Decline
Curlew -47.9 -41.1 -56.8 Large Decline
Bar-tailed Godwit -47.7 -46.9 -34.9 Moderate Decline
Knot 2.9 -34.5 -29.4 Moderate Decline
Greenshank -28.2 -12.5 -8.9 Intermediate Decline
Black-tailed Godwit -61.2 -20.6 25.0 Stable or Increasing
Sanderling -48.2 -48.6 47.9 Stable or Increasing

Species Analysis

Lapwing

Trend (%)
Site 5 Year 12 Year 23 Year
Castlemaine Harbour & Rossbehy -36.8 -66.8 -77.5
National -6.5 -45.1 -63.9

Golden Plover

Trend (%)
Site 5 Year 12 Year 23 Year
Castlemaine Harbour & Rossbehy 2.4 -81.7 -90.6
National -16.9 -58.1 -54.1

Grey Plover

Trend (%)
Site 5 Year 12 Year 23 Year
Castlemaine Harbour & Rossbehy -64.0 -58.5 -80.6
National -30.6 -39.4 -57.8

Ringed Plover

Trend (%)
Site 5 Year 12 Year 23 Year
Castlemaine Harbour & Rossbehy -32.5 -72.2 -68.3
National -4.3 -26.8 -1.1

Curlew

Trend (%)
Site 5 Year 12 Year 23 Year
Castlemaine Harbour & Rossbehy -47.9 -41.1 -56.8
National -9.4 -23.7 -43.1

Bar-tailed Godwit

Trend (%)
Site 5 Year 12 Year 23 Year
Castlemaine Harbour & Rossbehy -47.7 -46.9 -34.9
National -32.6 -13.9 -5.1

Black-tailed Godwit

Trend (%)
Site 5 Year 12 Year 23 Year
Castlemaine Harbour & Rossbehy -61.2 -20.6 25.0
National 22.5 25.0 92.3

Turnstone

Trend (%)
Site 5 Year 12 Year 23 Year
Castlemaine Harbour & Rossbehy -51.6 -73.9 -85.9
National -33.6 -46.0 -23.7

Knot

Trend (%)
Site 5 Year 12 Year 23 Year
Castlemaine Harbour & Rossbehy 2.9 -34.5 -29.4
National 0.0 -12.2 -9.8

Sanderling

Trend (%)
Site 5 Year 12 Year 23 Year
Castlemaine Harbour & Rossbehy -48.2 -48.6 47.9
National -23.8 -11.1 84.6

Greenshank

Trend (%)
Site 5 Year 12 Year 23 Year
Castlemaine Harbour & Rossbehy -28.2 -12.5 -8.9
National 0.9 7.3 41.0

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)