Ecological Risk Assessment (ERA) for species caught in fisheries managed by the Indian Ocean Tuna Commission (IOTC): a first attempt | Bycatch Management Information System (BMIS)

Source URL

http://iotc.org/sites/default/files/documents/proceedings/2009/wpeb/IOTC-2009-WPEB-20.pdf

Citation

Murua H, Arrizabalaga H, Huang J, et al (2009) Ecological Risk Assessment (ERA) for species caught in fisheries managed by the Indian Ocean Tuna Commission (IOTC): a first attempt. IOTC-2009-WPEB-20. Indian Ocean Tuna Commission, Mahé, Seychelles

Abstract

ERA Level 2 Productivity Susceptibility Analysis for EU tropical tuna purse seiner, Soviet Union tuna purse seiner, Soviet Union longline research fleet, Taiwanese longline fleet, and La Reunion longline fleet was carried out. The productivity susceptibility analysis for all fleets showed somewhat similar results. In general, the analysis identified two main risk groups. The first one consists of pelagic and coastal sharks, characterized by relatively low productivities. The other group includes teleosts (both IOTC and non-IOTC species), characterized by higher productivities but high susceptibility to purse seine gear. Considering that sharks are beginning to receive the attention of the IOTC community, the analysis suggests that sharks at higher risk may deserve more detailed and thorough scientific monitoring and management actions.