Artisanal fishing impact on deep coralligenous animal forests: A Mediterranean case study of marine vulnerability

Last modified: 
December 13, 2019 - 1:04pm
Type: Journal Article
Year of publication: 2019
Date published: 07/2019
Authors: F. Enrichetti, S. Bava, G. Bavestrello, F. Betti, L. Lanteri, M. Bo
Journal title: Ocean & Coastal Management
Volume: 177
Pages: 112 - 126
ISSN: 09645691

Vulnerable Marine Ecosystems (VMEs) are characterized by prominent biological features susceptible to anthropogenic disturbances. Following international guidelines, the identification and protection of VMEs require a detailed documentation regarding both the community structure and the fishing footprintin the area. This combined information is lacking for the majority of the Mediterranean mesophotic rocky reefs that, similarly to deep-seabottoms, are known to host valuable animal forests.

A deep coralligenous site exploited by artisanal fishermen in the NW Mediterranean Sea is here used as a model to assess the vulnerability of animal forests at mesophotic depths and evaluate the sustainability of artisanal fishing practices, particularly lobster trammel net. The Remotely Operated Vehicle (ROV) footage is used to document the biodiversity and health status of the megabenthic communities, while discard data are employed to quantify the entanglement risk, discard rates of fragile species and threats to sea floor integrity.

A multidisciplinary approach is proposed for the assessment of the vulnerability criteria of an EU Special Area of Conservation, leading to specific managementmeasures, including the delineation of fishing restrictions.

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