Social network analysis and the implications for Pontocaspian biodiversity conservation in Romania and Ukraine: A comparative study

22. Francis RA, Goodman MK. Post-normal science and the art of nature conservation. Journal for Nature Conservation. 2010; 18(2):89–105. 23. Wasserman S, Faust K. Social network analysis: Methods and applications: Cambridge university press; 1994. 24. Ernoul L, Wardell-Johnson A. Governance in integrated coastal zone management: a social networks analysis of cross-scale collaboration. Environmental Conservation. 2013; 40(3):231–40. 25. Haythornthwaite C. Social network analysis: An approach and technique for the study of information exchange. Library & information science research. 1996; 18(4):323–42. 26. Barnes ML, Lynham J, Kalberg K, Leung P. Social networks and environmental outcomes. Proceedings of the National Academy of Sciences. 2016; 113(23):6466–71. 27. Sandstro¨ m A, Rova C. Adaptive co-management networks: a comparative analysis of two fishery con- servation areas in Sweden. Ecology and Society. 2010; 15(3). 28. Yamaki K. Applying social network analysis to stakeholder analysis in Japan’s natural resource gover- nance: two endangered species conservation activity cases. Journal of Forest Research. 2017; 22 (2):83–90. 29. Hauck J, Schmidt J, Werner A. Using social network analysis to identify key stakeholders in agricultural biodiversity governance and related land-use decisions at regional and local level. Ecology and Society. 2016; 21(2). 30. Mills M, A´ lvarez-Romero JG, Vance-Borland K, Cohen P, Pressey RL, Guerrero AM, et al. Linking regional planning and local action: Towards using social network analysis in systematic conservation

planning. Biological Conservation. 2014; 169:6–13. 31. Bodin O¨ , Crona B, Ernstson H. Social networks in natural resource management: what is there to learn from a structural perspective? Ecology and Society. 2006;11(2). 32. Bodin O¨ , Crona BI. The role of social networks in natural resource governance: What relational patterns make a difference? Global Environmental Change. 2009; 19(3):366–74. https://doi.org/10.1016/j. gloenvcha.2009.05.002. 33. Weimann G. On the importance of marginality: One more step into the two-step flow of communication. American Sociological Review. 1982:764–73. 34. Abrahamson E, Rosenkopf L. Social network effects on the extent of innovation diffusion: A computer simulation. Organization science. 1997; 8(3):289–309. 35. Crona B, Bodin O¨ . What you know is who you know? Communication patterns among resource users as a prerequisite for co-management. Ecology and society. 2006; 11(2). 36. Newman L, Dale A. Network structure, diversity, and proactive resilience building: a response to Tomp- kins and Adger. Ecology and society. 2005; 10(1). 37. Newman L, Dale A. Homophily and agency: creating effective sustainable development networks. Envi- ronment, Development and Sustainability. 2007; 9(1):79–90. 38. Opsahl T, Colizza V, Panzarasa P, Ramasco JJ. Prominence and control: the weighted rich-club effect. Physical review letters. 2008; 101(16):168702. https://doi.org/10.1103/PhysRevLett.101.168702 PMID: 18999722 39. Burt RS. The social capital of structural holes. The new economic sociology: Developments in an emerging field. 2002; 148:190.

40. Granovetter MS. The strength of weak ties. American journal of sociology. 1973; 78(6):1360–80. 41. Leavitt HJ. Some effects of certain communication patterns on group performance. The Journal of Abnormal and Social Psychology. 1951; 46(1):38. 42. Prell C, Hubacek K, Reed M. Stakeholder analysis and social network analysis in natural resource man- agement. Society and Natural Resources. 2009; 22(6):501–18. 43. Olsson P, Folke C, Hahn T. Social-ecological transformation for ecosystem management: the develop- ment of adaptive co-management of a wetland landscape in southern Sweden. Ecology and Society. 2004; 9(4). 44. Cowling RM, Wilhelm-Rechmann A. Social assessment as a key to conservation success. CAM- BRIDGE UNIV PRESS 32 AVENUE OF THE AMERICAS, NEW YORK, NY 10013–2473 USA; 2007. 45. Herz A, Peters L, Truschkat I, editors. How to do qualitative strukturale Analyse? The qualitative inter- pretation of network maps and narrative interviews. Forum Qualitative Sozialforschung/Forum: Qualita- tive Social Research; 2015. 46. Kowalski AA, Jenkins LD. The role of bridging organizations in environmental management: examining social networks in working groups. Ecology and Society. 2015;20(2). PLOS ONE Social network analysis and the implications for Pontocaspian biodiversity conservation in Romania and Ukraine PLOS ONE | https://doi.org/10.1371/journal.pone.0221833 October 23, 2020 18 / 20