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Addressing Sustainability of Clam Farming in the Venice Lagoon

Donata Melaku Canu, National Institute of Oceanography and Experimental Geophysics OGS
Pierpaolo Campostrini, CORILA Consorzio per la Gestione del Centro di Coordinamento delle Attivitą di Ricerca inerenti il Sistema Lagunare di Venezia
Simona Dalla Riva, CORILA Consorzio per la Gestione del Centro di Coordinamento delle Attivitą di Ricerca inerenti il Sistema Lagunare di Venezia
Roberto Pastres, Ca' Foscari University of Venice
Lara Pizzo, University of Padova TeSAF Dept
Luca Rossetto, University of Padova TeSAF Dept
Cosimo Solidoro, National Institute of Oceanography and Experimental Geophysics OGS

DOI: http://dx.doi.org/10.5751/ES-04263-160326

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Abstract

The clam fishing and aquaculture system in the Venice Lagoon still appears insufficiently resilient to buffer external and internal perturbations, such as productivity fluctuations, unregulated fishing, and market related dynamics, despite the efforts of regional and local authorities to achieve the sustainable development.
According to the System Approach Framework (SAF), based on previous studies and stakeholder interactions, we developed a model integrating ecological, social, and economic (ESE) aspects. We chose the aspects necessary to represent the essential dynamics of major ecological, social, and economic clam farming system components to project the consequences of implementing alternative management policies and to address the ecological and social carrying capacity. Results of the simulations suggest that a properly managed farming system can sustain an acceptable income and support the local community, while reducing negative environmental impacts, social conflicts, and consumer health risks and improving system resilience. The results highlight the importance of an interdisciplinary, participatory, and adaptive approach in planning the management of this important renewable resource.

Key words

clam farming; model integration; social carrying capacity; System Approach Framework; Tapes philippinarum; Venice Lagoon
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Ecology and Society. ISSN: 1708-3087