Social science literature frequently conflates the concepts "narrative" and "frame." We argue not only that using the terms interchangeably is conceptually imprecise but also that analyses based on them actually produce different kinds of knowledge. A systematic disentanglement, contrast and refinement of both concepts benefits from a comparative framework applied to the same case. We provide both. The illustrative case is a large infrastructural coastal management project. The key difference between narratives and frames turns out to be on the respective scale level: frames are actors' perspectives, whereas narratives are the expressed products of those perspectives. Being the mode of expression of one's perspective, we pinpoint "storytelling" as the link between narratives and framing and the origin of the conceptual confusion. Our framework clarifies the terminological usage and enables an informed method choice based on the desired kind of knowledge. With this clearer terminological understanding in mind, we encourage researchers to let the requirements and idiosyncrasies of their specific research interest and context inform their methods choice and to view the comparative framework as a heuristic rather than a deductive scheme.

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Climate change is the most formidable challenge that our ever-increasing world population faces, and it poses special problems for those living near coasts. People have always been attracted to the coast, as a place to live and work, and to relax. By 2050, around half of the world’s population is expected to live near the coast, the vast majority in developing countries. How will we cope with rapidly rising sea levels and more intense and frequent storm surges?@en

Ecosystem services (ES) are increasingly embedded in policy agendas, but if and how policy actors are considering them is not often reported. This study assesses the extent to which ES were considered by key policy actors involved in the strategic decision-making process leading to an innovative large-scale Dutch coastal management project. We analysed retrospective interviews to ascertain which ES were considered and how they were described by policy actors. Over half of the quotes (118/228) and 16 out of the 17 interviewees referred to three broad ES categories, with high degrees of adoption: coastal safety, recreation and cognitive development (learning by doing). The broad terms ‘nature’ and ‘spatial quality’ were also referenced often (36 times). Our findings suggest that broad, unspecified ecosystem services were adopted highly by the policy actors, while specific ecosystem service categories were rarely considered. Relatable and comprehensible cultural ecosystem services also constituted critical arguments for policy actors in their strategic decision making. We reflect that ambiguous, broad terms can help to garner support and unite efforts across disciplinary and institutional boundaries. For ES to align with relevant aspects of decision making, a ‘translation step’ between ES research and decision making might be required and ambiguity should be acknowledged.@en