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Arlidge WNS, Firth JA, Alfaro-Shigueto J, Ibanez-Erquiaga B, Mangel JC, Squires D, Milner-Gulland EJ. Assessing information-sharing networks within small-scale fisheries and the implications for conservation interventions. ROYAL SOCIETY OPEN SCIENCE 2021; 8:211240. [PMID: 34853699 PMCID: PMC8611325 DOI: 10.1098/rsos.211240] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 10/26/2021] [Indexed: 06/13/2023]
Abstract
The effectiveness of behavioural interventions in conservation often depends on local resource users' underlying social interactions. However, it remains unclear to what extent differences in related topics of information shared between resource users can alter network structure-holding implications for information flows and the spread of behaviours. Here, we explore the differences in nine subtopics of fishing information related to the planned expansion of a community co-management scheme aiming to reduce sea turtle bycatch at a small-scale fishery in Peru. We show that the general network structure detailing information sharing about sea turtle bycatch is dissimilar from other fishing information sharing. Specifically, no significant degree assortativity (degree homophily) was identified, and the variance in node eccentricity was lower than expected under our null models. We also demonstrate that patterns of information sharing between fishers related to sea turtle bycatch are more similar to information sharing about fishing regulations, and vessel technology and maintenance, than to information sharing about weather, fishing activity, finances and crew management. Our findings highlight the importance of assessing information-sharing networks in contexts directly relevant to the desired intervention and demonstrate the identification of social contexts that might be more or less appropriate for information sharing related to planned conservation actions.
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Affiliation(s)
- William N. S. Arlidge
- Interdisciplinary Centre for Conservation Science, Department of Zoology, University of Oxford, Oxford OX1 3PS, UK
- Department of Biology and Ecology of Fishes, Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Müggelseedamm 310, 12587 Berlin, Germany
- Faculty of Life Sciences, Humboldt-Universität zu Berlin, Invalidenstrasse 42, 10115 Berlin, Germany
| | - Josh A. Firth
- Edward Grey Institute, Department of Zoology, University of Oxford, Oxford OX1 3PS, UK
- Merton College, University of Oxford, Oxford, UK
| | - Joanna Alfaro-Shigueto
- ProDelphinus, Calle José Galvez 780-E, Lima 15074, Perú
- School of Biosciences, University of Exeter, Cornwall Campus, Penryn, Cornwall TR10 9FE, UK
- Carrera de Biologia Marina, Universidad Científica del Sur, Lima, Perú
| | - Bruno Ibanez-Erquiaga
- Section for Coastal Ecology, Technical University of Denmark, National Institute of Aquatic Resources (DTU Aqua), Lyngby 2800, Denmark
- Asociación CONSERVACCION, Lima, Peru
| | - Jeffrey C. Mangel
- ProDelphinus, Calle José Galvez 780-E, Lima 15074, Perú
- School of Biosciences, University of Exeter, Cornwall Campus, Penryn, Cornwall TR10 9FE, UK
| | - Dale Squires
- NOAA Fisheries Southwest Fisheries Science Center, La Jolla, CA, USA
| | - E. J. Milner-Gulland
- Interdisciplinary Centre for Conservation Science, Department of Zoology, University of Oxford, Oxford OX1 3PS, UK
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