Habitat Use by Avocet and Dark-bellied Brent Geese on the Deben Estuary Over the High Tide Period Calbrade Neil A. Spiral / 2013 / Engelsk
Within-site Waterbird Trends Relative to Whole-site, Regional and National Population Trends: Dungeness, Romney Marsh and Rye Bay SSSI Austin Graham E. Spiral / 2013 / Engelsk
Within-site Waterbird Trends Relative to Whole-site and Regional Population Trends: the South Lincs Shooting Zone on the Wash SPA Austin Graham E. Spiral / 2012 / Engelsk
Methods of Comparing Low-tide Trends for Wetland Bird Survey Count Sectors with Wider Regions: A Pilot Study for Three Water Wader Species on the Stour and Orwell Estuaries Spa Marchant John H. Spiral / 2012 / Engelsk
Humber Estuary Spa Waterbird Populations Trend by Count Sector Austin Graham E. Spiral / 2009 / Engelsk