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Dr. Juan Santos
Institute of Baltic Sea Fisheries
Alter Hafen Süd 218069 Rostock
- Telephone
- +49 381 66099 122
- Fax
- +49 381 66099 199
- juan.santos@thuenen.de
Fields of activity
- Bycatch reduction in active and passive fisheries
- Development and testing of fishing gear technologies to address species and size selectivity in mixed fisheries
- Sampling scheme planning and cruise leadership in experimental sea trials
- Quantitative and qualitative assessment of species/size selection and relative catchability of fishing gears
Projects
Contact Person for
Involved in
ongoing projects
completed projects
Research interests
Fishing gears, trawl hydrodynamics and efficiency, trawl size selection, species selection in mixed fisheries, bycatch, fishing discards, fish behaviour, sampling design, programming, computer simulation, statistics (parametric and non-parametric regression tools, Mixed modelling, non-parametric inference tools [bootstrapping, jackknife, cross-validation and others], multivariate analysis)
Scientific background
Since Jan. 2013: Senior Researcher at the Thuenen Institute of Baltic Sea Fisheries, Rostock, Germany
2009 - 2012: Instituto Espanol de Oceanografıa, Vigo, Spain, Research technician (UE (DCR)-IEO)
- Monitoring the behavior of Spanish fisheries operating in ICES areas in relation with future by-catch and discards EU policy
- Selective gear design for by-catch reduction in ICES areas
- Selectivity projects management and monitoring. Data analysis
- Dissemination of effects of discard reduction technical measures tofishers
- Keep track of the laws and rules applicable to Spanish fisheries in ICESareas, and coordination with European researchers in the task of applytechnical measures for by-catch reduction
- Preparation and presentation of discards data from ICES fleets for demandinginstitutions
- Participation in research surveys related with DCF
Sep. 2007: M.S.Marine Biology and Aquaculture, Universidade de Santiago de Compostela,Santiago de Compostela, Spain. Thesis Topic: A comparison of two methods for discards estimation incommercial fishing vessels. Adviser:Professor Manuel Aldegunde.
Oct. 2006 - Feb. 2007: Selectivity project RAI-AP-10/2006
Jul. 2006 - Oct. 2006: Spanish Discard Sampling Programme
Oct. 2005 - Mar. 2006: Selectivity project RAI-AP-21/2005
Nov. 2004 - Sep. 2005: Spanish Discard Sampling Programme
Jun. 2004 to Nov. 2005: Spanish Pelagic Longline Sampling Programme
Dec. 2002: Degree in Biology Science
Publications
- 0
Santos J (2024) Cruise report FRV "Solea" cruise 811, 14.-29.09.2022. Rostock: Thünen Institute of Baltic Sea Fisheries, 33 p
- 1
Bak-Jensen Z, Herrmann B, Santos J, Stepputtis D, Melli V, Feekings JP (2024) Size selectivity of flatfish in trawl codends. Aquacult Fisheries: Online First, Oct 2024, DOI:10.1016/j.aaf.2024.10.001
- 2
Sistiaga M, Herrmann B, Brinkhof J, Larsen RB, Santos J, Stepputtis D, Brinkhof I, Jacques N, Cerbule K, Petetta A, Cuende E, Kvalvik L (2023) Is there a limit to the potential effects of shortening lastridge ropes on the size selectivity of diamond mesh codends? Fish Res 262:106671, DOI:10.1016/j.fishres.2023.106671
- 3
Santos J, Furkert F, Stepputtis D, Schütz A (2023) Neues Sortiergitter-Konzept zur Beifangreduktion in der Krabbenfischerei. Fischerblatt 71(12):21-25
- 4
Bak-Jensen Z, Herrmann B, Santos J, Melli V, Stepputtis D, Feekings JP (2023) The capability of square-meshes and fixed-shape meshes to control codend size selection. Fish Res 264:106704, DOI:10.1016/j.fishres.2023.106704
- 5
Hünerlage LK, Pedersen EM, Beier U, Lanssens T, Mosegaard H, Opstal M van, Schulze T, Stepputtis D, Santos J, Vlasselaer J van (2023) Working Group on Crangon Fisheries and Life History (WGCRAN). Copenhagen: ICES, 48 p, ICES Sci Rep 5(93), DOI:10.17895/ices.pub.24220471
- 6
Kratzer I, Stepputtis D, Santos J, Lütkefedder F, Stoltenberg A, Hartkens L, Schaber M, Kindt-Larsen L, Larsen F (2022) Angle-dependent acoustic reflectivity of gillnets and their modifications to reduce bycatch of odontocetes using sonar imaging. Fish Res 250:106278, DOI:10.1016/j.fishres.2022.106278
- 7
Bak-Jensen Z, Herrmann B, Santos J, Jacques N, Melli V, Feekings JP (2022) Fixed mesh shape reduces variability in codend size selection. Can J Fish Aquat Sci 79(11):1820-1829, DOI:10.1139/cjfas-2022-0049
- 8
Brooks ME, Melli V, Savina E, Santos J, Millar R, O'Neill FG, Veiga-Malta T, Ahm Krag L, Feekings JP (2022) Introducing selfisher: open source software for statistical analyses of fishing gear selectivity. Can J Fish Aquat Sci 79(8):1189-1197, DOI:10.1139/cjfas-2021-0099
- 9
Santos J, Stepputtis D, Oesterwind D, Herrmann B, Lichtenstein U, Hammerl C, Krumme U (2022) Reducing cod bycatch in flatfish fisheries. Ocean Coastal Manag 220:106058, DOI:10.1016/j.ocecoaman.2022.106058
