A Graph Theory approach to assess marine nature’s contribution to people at a global scale

Seminario de mayo, en modalidad presencial:

JUEVES 27 DE MAYO 12.30h – 14.00h.

• A Graph Theory approach to assess marine nature’s contribution to people at a global scale

Prof. Sebastian Villasante
Profesor Contratado Doctor
Departamento de de Economía Aplicada. Universidade de Santiago de Compostela

Summary:
Marine and coastal areas are extremely important for human wellbeing and yet, management plans rarely consider in their formulation the contribution of these natural areas to society. The assessment of the contribution of nature to people wellbeing is particularly challenging due to its intangible and subjective nature. In this study, the working hypothesis was that data extracted from Instagram and analysed through different Graph Theory centrality measures can be used to understand peoples’ preferences for nature and nature-based experiences in marine and coastal areas worldwide, regardless of their geographical location, environmental characteristics, accessibility, tourism features, or any differentiating characteristics. The hypothesis was tested in 14 worldwide and well-known marine and coastal areas that span over the 12 marine realms (e.g. Galapagos, Great Barrier Reef, ETC.) Network analysis on Instagram hashtags allowed delineating the users’ discourse around a natural area, which provides crucial information for effective management of popular natural spaces for people.

Asistencia: Modalidad presencial, en el Salón de Actos ETSE (Escola Técnica Superior de Enxeñaría -USC)
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