“…Previous surveys are usefully collected into three overlapping groups: those focused on cohorts within specific nations, those focused on specific populations and those focused on specific aspects of the Antarctic region. The national cohorts surveyed include Chile (Salazar 2013, Estrada-Goic et al 2023), Argentina (del Acebo Ibáñez & Costa 2010, the USA (Hamilton 2008, Hamilton et al 2012, Tin et al 2018, the Netherlands (Tin et al 2011, Bastmeijer & Tin 2015), New Zealand (Colmar Brunton 2011, 2015, Malaysia (Shabudin et al 2016, Goh et al 2019 and Australia (Leane et al 2021). All of these nations are Antarctic Treaty signatories, with four of them (Chile, Argentina, New Zealand and Australia) being territorial claimants and one (the USA) being a 'reserved claimant'.…”