Suchergebnisse

The working group was held in remotely, from 6th to 10th Sept 2021. The meeting was attended by 20 experts in total, including two STECF members and two JRC experts along with one observer. The objective of the Mediterranean Methodology EWG 21-11 was to carry out assessments and provide draft advice for stocks identified in the ToR supplied by STECF. An initial plenary session commenced at 09:00 on the first day. The ToRs were discussed and examined in detail. Stocks were allocated to participants based on expertise. An ad-hoc ftp repository was created to share documents, data and scripts and prepare the report. The stock assessments were evaluated by all participants. Following EWG 21-02 data preparation EWG data was available for assessments much earlier in the meeting, in all cases by Tuesday night. For stocks with assessment issues some sensitivity test were possible, but for DWRS in GSA 1,5,6,7 exploratory assessments were not fully concluded given time limitations. Over the week plenary sessions were held each day to monitor progress and share results. The overall conclusions for each stock were discussed and finalized in plenary on the Friday. After the main meeting it became apparent that the selected assessment for red and blue shrimp in GSA 1 had issues with the form of the model, the model was re-examined and details circulated to all EWG participants. A short 45minute plenary was held on Tuesday 21st and a revised assessment was agreed. This report contains this final assessment and advice based on it. ; European Commission ; European Union, Joint Research Centre ; Published ; Refereed

Not Available ; Assessment of fish stocks whether marine or inland is an important aspect of intelligent fishery resource management. Due to the demanding pressures of social, political and economic environment, the subject of marine fisheries has acquired prominence in the growing literature on fish stock assessment. ; Not Available

Commission Decision of 25 February 2016 setting up a Scientific, Technical and Economic Committee for Fisheries, C(2016) 1084, OJ C 74, 26.2.2016, p. 4–10. The Commission may consult the group on any matter relating to marine and fisheries biology, fishing gear technology, fisheries economics, fisheries governance, ecosystem effects of fisheries, aquaculture or similar disciplines. This report is from STECF Expert Working Group 21-15: 2021 stock assessments of demersal stocks in Adriatic, Ionian and Aegean Seas from the meeting held remotely from 18th to 22th October 2021. A total of 9 fish stocks were evaluated. One stock had prior advice from 2020 for 2021 and 2022, and this is reiterated here. Index advice for 2022 and 2023 is provide for one other stock. The EWG reports age based assessments and short term forecasts for 5 of the remaining 7 stocks and surplus production assessments for two stocks. The content of the report gives the STECF terms of reference, the basis of the evaluations and advice, summaries of state of stock and advised based on either the MSY approach for assessed stocks or the precautionary approach for category 3 based advice. The report contains the full stock assessment reports for the 7 assessments, the exploration of assessments and category 3 evaluations for the remaining five stocks. The report also contains the STECF observations and conclusions on the assessment report. These conclusions come from the STECF Plenary meeting November 2021. ; European Commission ; European Union, Joint Research Centre ; Published ; Refereed

The working group was held in remotely, from 12th to 20th Sept 2020. The meeting was attended by 14 experts in total, including two STECF member and two JRC experts. The EWG had two observers who attended part time. The objective of the Mediterranean Methodology EWG 20-15 was to carry out assessments and provide draft advice for stocks identified in the ToR supplied by STECF. An initial plenary session commenced at 09:30 on the first day. The ToRs were discussed and examined in detail. Stocks were allocated to participants based on expertise. An ftp repository was created ad-hoc to share documents, data and scripts and prepare the report. The stocks were evaluated by the GSA groups identified in the ToRs. Most of the work was concluded by Tuesday 20 Sept, after 7 full days of work, and some additional work at the weekend. Over the 7 working days plenary sessions were held each day to monitor progress and share results. The overall conclusions for each stock were discussed and finalized in plenary on the Tuesday. ; European Commission ; European Union, Joint Research Centre ; Published ; Refereed

In the European Union (EU), the ecosystem approach to fisheries is implemented through several directives and polices, which are overarched by the Marine Strategy Framework Directive (MSFD). The MSFD requires the assessment of the environmental status of exploited fish and shellfish stocks, among others, to advise the EU Common Fisheries Policy (CFP) on sustainable catch options. The stock assessments for the CFP and the MSFD are supposed to be congruent, yet they differ in several substantial subjects. While the annual CFP assessment is based on two indicators, fishing mortality (F) and spawning stock biomass (SSB), in its Descriptor 3 (D3) the MSFD requires the assessment of three criteria (F, SSB, and age or size structure) within a six year period. Assessing exploited fish and shellfish stocks under the MSFD by using existing CFP assessments has therefore been a half-completed task, which had to be fulfilled by the member states of the EU. This paper suggests six easy steps, referred to as "quick wins" (QW), which are based on existing information from CFP stock assessments. The implementation of these six QW would allow for assessments of exploited fish and shellfish stocks that are compliant to D3. These QW are to (i) assess length/age structure within a stock, (ii) analyse and assess selectivity by fisheries, (iii) use all available information to assess a stock, (iv) use response indicators to assess environmental targets, (v) provide integrated stock-specific advice, and (vi) provide assessments with a mid-term perspective over a-period of six years. International Council for the Exploration of the Sea (ICES) combines the infrastructure and expertise to produce stock-specific assessment products tailored to the requirements of MSFD D3. Thereby, ICES could provide a valuable service to EU member states in the north-east Atlantic region by providing scientifically validated, quality-assured, and MSFD-compliant single-stock assessment products. This would be a big advancement towards implementing the ecosystem approach to fisheries management within Europe.

Commission Decision of 25 February 2016 setting up a Scientific, Technical and Economic Committee for Fisheries, C(2016) 1084, OJ C 74, 26.2.2016, p. 4–10. The Commission may consult the group on any matter relating to marine and fisheries biology, fishing gear technology, fisheries economics, fisheries governance, ecosystem effects of fisheries, aquaculture or similar disciplines. . This report is from STECF Expert Working Group 19-16: 2019 stock assessments of demersal stocks in the Adriatic Sea from the meeting in Rome Italy from 14th to 20th October 2019. A total of seven fish species were evaluated for GSA 17, 18 and 19. The EWG reports age based assessments and short term forecasts for all seven stocks. The content of the report gives the STECF terms of reference, the basis of the evaluations and advice, summaries of state of stock and advised based on either the MSY approach for assessed. The report contains the full stock assessment reports for the seven assessments, and three exploratory assessments for deep-water rose shrimp for each GSA separately. Advice for deep-water rose shrimp is based on the combined stock, the report also contains the STECF observations and conclusions on the assessment report. These conclusions come from the STECF Plenary meeting November 2019. ; European Commission ; European Union, Joint Research Centre ; Published ; Refereed