REPORT OF THE STANDING COMMITTEE ON RESEARCH ... - Iccat

ICCAT REPORT 2008-2009 (I)Addendum 2 to Appendix 8RESPONSES TO QUESTIONNAIRE ON DATA DEFICIENCIES, IMPACTS, SOLUTIONSAND PRIORITIES FOR STOCK SSSESSMENT OF ICCAT SPECIES - 2008Small Tuna Species 2008 Report2161. Species and stocks covered under the data review and preparation work.Since SMT (small tuna) includes a huge number of species, the priority list was: Atlantic bonito (Sardasarda), bullet tuna (Auxis rochei), little tunny (Euthynnus alletteratus) and plain bonito (Orcynopsisunicolor), all for the Mediterranean stocks.2. Please identify a recent data workshop or data preparation task for an assessment evaluation. (location,work time schedule, number of scientific participants)GFCM/ICCAT SMT. Málaga, Spain. May 5 to 9, 2008.About 27 scientists.It was not an specific data preparation meeting for stock assessment purposes, but the agenda included areview of data and information available.3. Please detail the task performed during the data workshop with regard to catch and effort dataa. Update and verification of landings, dead discards by? Flag, fishery, area, quarter, semester,etc.b. Update and verification of fishing effortc. Update and verification of gear/fleets distribution of catches.d. Revision of historical gaps or update of historical seriese. Others (describe): Comparison of various catch/landing data bases (FAO-GFCM, ICCAT andEUROSTAT). FAO-GFCM and ICCAT are quite comparable (except for the early years andfew points in some recent years). ICCAT and EUROSTAT showed remarkable discrepancies.4. Other tasks done during the workshopa. CPUE series updateb. Size, age conversions of catch datac. Review and update of biological information.d. Others (describe).5. What were the main problems/difficulties associated with the catch and effort data. Please provide abrief summary if applicable.a. Incomplete seriesb. Lack of information from main flags/fleets for recent yearsc. Under-reportingd. Others.It was estimated that about 38% of the countries have problems y reporting catch data on small tuna and17% of countries never reported any data to ICCAT of FAO.For the catch/effort data, there are remarkable gaps in data availability and in time series.6. What other limitations of data were identified. Please provide a brief summary and their consequences.a. No size data available for important flags/fleetsb. No area/ time of year of capture informationc. Others