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Both the characteristics of the value chains and the social-ecological context within which they exist are important to uncover motivations for engagement in legal and illegal value chains. Bêche-de-mer (dried sea cucumbers), shark fins, and fish maw (dried swim bladders) are valued products in the South Fly region of Papua New Guinea (PNG). We applied value chain analysis (VCA) to map the 'vertical' characteristics of trade and 'horizontal' contextual issues driving the trade. Vertical VCA showed that both legal and illegal value chains end in the same Asian cities, but using different routes. Prices offered by illegal middlemen to PNG fishers were significantly lower than those offered by legal buyers. Horizontal analysis showed five drivers (lack of information, obligatory dependencies to middlemen, kinship ties, need for cash, inaccessibility of legal markets) for accepting lower prices. We recommend interventions necessary to tackle these systemic drivers of illegal trade. [ABSTRACT FROM AUTHOR]

Knowledge co-production (KCP) is presented as an effective strategy to inform responses to complex coastal and marine social-ecological challenges. Co-production processes are further posited to improve research and decision outcomes in a wide range of problem contexts (e.g., biodiversity conservation, climate change adaptation), for example, by facilitating social learning among diverse actors. As such, KCP processes are increasingly centered in global environment initiatives such as the United Nations Decade of Ocean Science for Sustainable Development. However, KCP is not a panacea, and much uncertainty remains about its emergence and implementation, in particular, the manner in which broader governance contexts determine the interplay of knowledge, power, and decision-making. Three objectives guide our analysis: (1) to interrogate more fully the interplay among social relations of power, knowledge production practices, and the (colonial) governance contexts in which they are embedded; (2) to consider the challenges and limitations of KCP in particular places by drawing attention to key governance themes and their implications for achieving better outcomes; and (3) to work toward a fuller understanding of "deep KCP" that cautions against a tendency to view knowledge processes in coastal and marine governance settings as an instrumental or techno-managerial problem. A qualitative and reflective approach was used to examine multiple dimensions of the interplay of KCP, governance, and power in several marine and coastal contexts, including Canada, New Zealand, and Papua New Guinea. In particular, our analysis highlights the importance of: (1) recognizing diverse motivations that frame co-production processes; (2) the manner in which identities, positionality, and values influence and are influenced by governance contexts; (3) highlighting governance capacity with respect to spatial and temporal constraints; (4) institutional reforms necessary for KCP and the links to governance; and (5) the relationship between knowledge sharing, data sovereignty, and governance. We seek to encourage those involved in or considering co-production initiatives to engage carefully and critically in these processes and make co-production more than a box to tick. [ABSTRACT FROM AUTHOR]