The authors would like to thank contributors of samples: Mark Ferryman, Juliet Robinson, Richard Wales, Ruth Carden, Colin Lawton, Catherine Waters, Paddy Sleeman, Huw Denman, Pat Whelan, Daniel Buckley, Jacinta Mullins, Siobhan Moran, David O’Neill, Eugene Burke, Ger O’Brien, Ann Fitzpatrick, Fintan Malone and anonymous senders. We would also like to thank property owners for access to their lands: Seán and Síle Murphy, Rosemary Higby and Mount Congreve Estate. This work was funded under the Embark Strand 1 initiative. We are grateful to two anonymous reviewers for valuable comments on the manuscript.