The ARISE (Arctic Isotopes and Seals) project aims to develop a framework to detect and attribute changes to Arctic food webs during periods of decadal change. Rather than evaluate an entire ecosystem, the ARISE project will take a specific focus on the base of the food web, termed ‘isoscape’ and two species of pelagic-feeding ice-dependent predators, the harp seal (Pagophilus groenlandicus) and the ringed seal (Phoca hispida), which are excellent ‘indicator species’ of food web functioning. Our aims will be delivered by a combination of seasonally resolved, pan-Arctic field campaigns, use novel stable isotope biomarkers to assess the food web, seal telemetry, state-of-the-art biogeochemical modelling and seal population modelling. Our project involves more than 20 project partners from 6 countries and thus is embedded in ongoing and relevant Arctic research. Uniquely, our project will not only address contemporary change but will use the best available archive seal tissue samples dating back to the 1950s to address past change to Arctic ecosystems and will also use a modelling approach to provide constraints on future ecosystem change. More information can be found here.