Institute of

SF Sea Fisheries

Project

Analyses of fishery effort in German fishing fleets

Lead Institute SF Institute of Sea Fisheries

A fishing vessel with a trawl net.

Development of scientific fundamentals for establishing a balance between fleet size and available quotas.

The project aims at a better understanding of the relationship between fisheries and population dynamics of fish stocks in order to better predict and justify the necessity of fleet capacity adjustment measures.

Background and Objective

Fischeries are currently regulated via total allowable catches (TACs) and effort managment. It is hoped that effort managment can help to protect fish stocks from overfishing and illegal fishing. Another aim of this project is to evaluate whether there is a balance between sustainable fishing opportunities and the capacity of the German fishing fleets.

Target Group

Policy, Science, Public

Approach

Each year, relevant information is extracted from German logbook data to conduct analyses on the effort management in European waters. The data are provided to international working groups. Data are also used to address specific questions from the German Ministry of Food and Agriculture regarding fishing activities of the German fleets.

Our Research Questions

How much effort is utilised by the German fleets in various areas and which gears have been mainly used?
Does the current effort level lead to overfishing of stocks in mixed fisheries under the assumption of constant catchability?

Preliminary Results

Advice to BMEL and EU with regard to fishing effort
Reports of STECF sub-groups on effort management
ICES mixed fisheries advice

Links and Downloads

<ul> <li><a href="http://www.ices.dk" target="_blank">ICES</a></li> <li><a href="http://stecf.jrc.ec.europa.eu" target="_blank">STECF</a></li> </ul>

Thünen-Contact

Dr. Matthias Bernreuther

Telephone

+49 471 94460 249

matthias.bernreuther@thuenen.de

SF Institute of Sea Fisheries

Involved Thünen-Partners

Funding Body

EU - European Maritime and Fisheries Fund (EMFF)
(international, öffentlich)
European Union (EU)
(international, öffentlich)

Duration

1.2008 - 12.2027

More Information

Project status: ongoing

Publications

0
Holmes SJ, Carlshamre S, Davie S, Demaneche S, Dolder PJ, Gil Herrera J, Kempf A, Abella JA, Andersen J, Döring R, Stransky C, et al (2014) Evaluation of fishing effort regimes in European waters - part 1 (STECF-14-12). Luxembourg: Publications Office of the European Union, 480 p, JRC Sci Pol Rep, doi:10.2788/12238
1
Holmes SJ, Carlshamre S, Cole H, Davie S, Demaneche S, Dolder PJ, Gil Herrera J, Kempf A, Kovsars M, Ligas A, O’Hea B, Ozernaja O, Raid T, Ribeiro C, Silva C, van der Kamp P, Vanhee W, Vermard Y, Döring R, Stransky C, et al (2014) Evaluation of fishing effort regimes in European waters - part 2 (STECF-14-20). Luxembourg: Publications Office of the European Union, 844 p, JRC Sci Pol Rep, doi:10.2788/951989
2
Rätz H-J, Kempf A, Döring R, Stransky C, et al (2013) Evaluation of fishing effort regimes in European waters - part 1 (STECF-13-13). Luxembourg: Publications Office of the European Union, 691 p, doi:10.2788/95715
3
Kraak SBM, Bailey N, Cardinale M, Darby C, De Oliveira J, Eero M, Graham N, Holmes SJ, Jakobsen T, Kempf A, Kirkegaard E, Powell J, Scott RD, Simmonds EJ, Ulrich C, Vanhee W, Vinther M (2013) Lessons for fisheries management from the EU cod recovery plan. Mar Policy 37:200-213, DOI:10.1016/j.marpol.2012.05.002
4
Rätz H-J, Mitrakis N, Casey J, Abella JA, Andersen J, Bailey N, Bertignac M, Cardinale M, Curtis H, Daskalov G, Delaney A, Döring R, Garcia Rodriguez M, Gascuel D, Graham N, Gustavsson T, Jennings S, Stransky C, Kempf A, Rätz H-J (2012) Evaluation of fishing effort regimes in European waters - part 1 (STECF-12-09). Luxembourg: Publications Office of the European Union, 379 p, EUR Sci Techn Res Ser
5
Casey J, Abella JA, Andersen JL, Bailey N, Bertignac M, Cardinale M, Curtis H, Daskalov G, Delaney A, Döring R, Garcia Rodriguez M, Gascuel D, Graham N, Gustavsson T, Jennings S, Kenny A, Kirkegaard E, Kraak SBM, Kempf A, Stransky C, et al (2011) Evaluation of fishing effort regimes in the Baltic Sea (STECF-11-11). Luxembourg: Publications Office of the European Union, 110 p, JRC Sci Techn Rep

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