Seabird Population Trends and Causes of Change: 1986-2019 Report Details Presentation of trends in abundance, productivity, demographic parameters and diet of breeding seabirds, from the Seabird Monitoring Programme (SMP), along with interpretive text on the likely causes of change based on the most recent research. Trend information is presented at the UK level and separately for Scotland, Wales, England, Northern, Republic of Ireland, All-Ireland, Channel Islands and Isle of Man. Interpretation of trends and reasons for change are given largely at the UK level, unless there is country-specific evidence. Published 25 May 2021