| | Report of the Study Group on Baltic Fish and Fisheries Issues in |
| | 0,78 | | MB | the BSRP (SGBFFI) |
| | 43 | | stron |
| | 3900 | | ID | Helsinki Commission |
| | 2006 | | rok |
| | Contents |
| | Executive summary |
| | 1 Introduction. |
| | 1.1 Participation. |
| | 1.2 Terms of Reference. |
| | 1.3 Activities and achievements of the BSRP Fish and Fisheries Coordination centre. |
| | 2 Growth changes of Baltic herring and sprat. |
| | 2.1 Status of herring and sprat database |
| | 2.2 Preliminary results of effects of biotic and abiotic variables on growth of herring and sprat |
| | 2.3 Growth modelling of herring for stock development forecasts. |
| | 3 Population structure of flounder in the Baltic |
| | 3.1 Separation of flounder populations based on tagging experiments. |
| | 3.2 Population structure of flounder based on microsatellite/genetic analyses |
| | 3.3 Comparison of flounder stock development trends in selected areas |
| | 4 Recruitment of Baltic fishes |
| | 4.1 Overview of environmental factors influence on recruitment success of herring. |
| | 4.1.1 Stock-recruitment relationship |
| | 4.1.2 Egg mortality on spawning grounds. |
| | 4.1.3 Larval and fry mortality |
| | 4.1.4 Differences in recruitment factors of the open sea and gulf herring populations. |
| | 4.2 Effects of temperature on the Baltic fish recruitment success. |
| | 4.3 Overview of environmental factors influence on recruitment success of flounder. |
| | 5 The slope of the size spectra of coastal fish communities. |
| | 5.1 The slope of the size spectra for some selected coastal commercial fish species and its relation |
| | to fishing effort-related indices and environmental changes |
| | 5.2 Comparison of the performance of the slope of the size spectra to other coastal fish indicators |
| | |
| | 6 Update the Baltic Sea overview taking into account open sea and coastal interactions. |
| | 7 Framework for Integrated Assessment for the Baltic Sea and the future role of SGBFFI. |
| | 8 Age reading inconsistencies for the Baltic sprat. |
| | 9 Status and dynamics of the gulf herring populations in the Baltic Sea. |
| | 10 References28 |
| | Annex 1: List of participants.32Annex 2: Agenda. |
| | Annex 3: Recommendations |
| | Annex 4: Draft resolution for ICES/BSRP Workshop |