Mitigating impacts of fishing on pelagic ecosystems
15-18 Oct 2012 Montpellier (France)

Week overview

Monday, October 15, 2012

Time Event  
8:00 am - 9:30 am Registration and welcoming breakfast (Lagoon)  
9:30 am - 10:05 am Opening (Auditorium)  
10:05 am - 10:50 am Keynote: Is it good or bad to fish with FADs? (Auditorium) - Kim Holland, Victor Restrepo, Gala Moreno, Laurent Dagorn
 
10:50 am - 12:30 pm Session 1: BIODIVERSITY & BYCATCH (Auditorium)  
10:50 - 11:10 › Large fish predators diversity highlighted by tuna fisheries data in the Indian Ocean - Frédéric Ménard, UMR EME  
11:10 - 11:30 › Pelagic elasmobranch diversity and abundance in the Western Indian Ocean: an analysis of long-term trends from research and fisheries longline data - Evgeny Romanov, CAP RUN / ARDA  
11:30 - 11:50 › Using fisheries data to identify pelagic predator hotspots in the North Atlantic - Niall Mcginty  
11:50 - 12:10 › Characterization of interactions between marine mammals, whale sharks and tropical tuna purse seine fishery in the Indian and Atlantic Oceans - Anna Capietto, University Montpellier 2, IRD  
12:10 - 12:30 › Bycatch recorded by the Mexican tuna purse-seine fleet in the eastern Pacific ocean - Sofia Ortega-Garcia, INSTITUTO POLITECNICO NACIONAL-CENTRO INTERDISCIPLINARIO DE CIENCIAS MARINAS  
12:30 pm - 1:45 pm Lunch (Ocean)  
1:45 pm - 2:25 pm Session 1: BIODIVERSITY & BYCATCH (Auditorium)  
13:45 - 14:05 › Patterns of turtle bycatch in tuna fisheries off southern Brazil: towards EBFM of pelagic fisheries in the southwest Atlantic ocean - Melissa Marcon, Graduate Program on Oceanography, Oceanographic Institute, University of São Paulo, Brazil - Maria de los Angeles Gasalla, Fisheries Ecosystems Laboratory (LabPesq), Department of Biological Oceanography, Oceanographic Institute, University of São Paulo, Brazil. mgasalla@usp.br - Bruno Giffoni, Fundação Pró-TAMAR, Ubatuba, São Paulo, Brazil  
14:05 - 14:25 › Pilot study of an electronic monitoring system on a tropical tuna purse seine vessel in the Atlantic Ocean - Jon Ruiz, AZTI  
2:25 pm - 3:25 pm Session 2: FISH ASSOCIATED WITH FADS: BIOLOGY & BEHAVIOR (Auditorium)  
14:25 - 14:45 › Schooling behavior of juvenile yellowfin tuna around a FAD in the Philippines - Yasushi Mitsunaga, Department of Fisheries, Kinki University  
14:45 - 15:05 › Lipid class composition and energy allocation during reproduction of yellowfin tuna in the western Indian ocean: comparison between FADs and free-swimming schools - Iker Zudaire, AZTI Tecnalia - Hilario Murua, AZTI Tecnalia  
15:05 - 15:25 › Skipjack reproductive capacity in relation to energy reserves: is there an influence of the school type? - Maitane Grande, AZTI Tecnalia - Hilario Murua, AZTI Tecnalia  
3:25 pm - 3:50 pm Coffee break  
3:50 pm - 5:50 pm Session 2: FISH ASSOCIATED WITH FADS: BIOLOGY & BEHAVIOR (Auditorium)  
15:50 - 16:10 › Temporal patterns of yellowfin and skipjack tuna associated with anchored and drifting FADs - Marc Soria, Institut de Recherche pour le Développement  
16:10 - 16:30 › Residence times and vertical behaviour of tunas around drifting fish aggregating devices (DFADs) in the Indian Ocean - Rodney Govinden, Seychelles Fishing Authority  
16:30 - 16:50 › Evolution of radio buoys technology for FAD, past, present and future. - Francisco Pino, technology  
16:50 - 17:10 › Using fishers' echosounder buoys for scientific studies - Jon Lopez, AZTI  
17:10 - 17:30 › The behavioural ecology of two major bycatch species of the tuna purse-seine fishery: the oceanic triggerfish and the rainbow runner - Fabien Forget, Institut de Recherche pour le Developpement, South African Institute of Aquatic Biodiversity, Rhodes University  
17:30 - 17:50 › Behavior of fish aggregations assessed using fishers' echosounder buoys - Jon Lopez, AZTI  

Tuesday, October 16, 2012

Time Event  
9:00 am - 9:45 am Keynote: The Behavior of Pelagic Fishes and its Pertinence to Fisheries (Auditorium) - Kim Holland
 
9:45 am - 10:25 am Session 2: FISH ASSOCIATED WITH FADS: BIOLOGY & BEHAVIOR (Auditorium)  
09:45 - 10:05 › Behavioural plasticity displayed by tuna at fish aggregating devices (FADs) - Marianne Robert, Laboratoire d Ecologie Sociale - Université Libre de Bruxelles, Institut de Recherche pour le Développement  
10:05 - 10:25 › Role of social interactions on dynamics of fish aggregations in a multi-site system of fish aggregating devices (FADs) - Grégory Sempo, Unit of Social Ecology, Université Libre de Bruxelles  
10:25 am - 10:50 am Coffee break (Ocean)  
10:50 am - 11:30 am Session 2: FISH ASSOCIATED WITH FADS: BIOLOGY & BEHAVIOR (Auditorium)  
10:50 - 11:10 › Establishing a reference point to assess the existence of an ecological trap for tropical tunas - Marianne Robert, Institut de Recherche pour le Développement, Laboratoire d Ecologie Sociale - Université Libre de Bruxelles  
11:10 - 11:30 › The role of FADs in the ecology of juvenile silky sharks - John Filmalter, Institut de Recherche pour le Développement, South African Institute for Aquatic Biodiversity, Department of Ichthyology and Fisheries Science  
11:30 am - 12:30 pm Session 3: BIOLOGY & ECOLOGY OF PELAGIC SHARKS (Auditorium)  
11:30 - 11:50 › Linear growth of two oceanic sharks, Prionace glauca (blue shark) and Carcharhinus falciformis (silky shark) in the south western Indian Ocean assessed by back-calculation from vertebrae age readings - Niriniony Rabehagasoa, UMR EME - Evgeny Romanov, CAP RUN  
11:50 - 12:10 › Bomb radiocarbon dating of the Indian Ocean blue shark Prionace glauca: a preliminary test of ageing accuracy - Evgeny Romanov, CAP RUN / ARDA  
12:10 - 12:30 › Fin to carcass weight ratios for the silky shark, Carcharhinus falciformis, in the south-western Indian Ocean - Bernard Séret, Institut de Recherche pour le Développement  
12:30 pm - 1:45 pm Lunch (Ocean)  
1:45 pm - 3:25 pm Session 3: BIOLOGY & ECOLOGY OF PELAGIC SHARKS (Auditorium)  
13:45 - 14:05 › Can stable isotopes document trophic position, diet, and movement in pelagic sharks? Case studies in the Atlantic and Indian Oceans - Frédéric Ménard, Institut de Recherche pour le Développement, UMR EME  
14:05 - 14:25 › Recent Developments in Pop-up Tag Technology in Support of Fisheries Research - Melinda Holland, Wildlife Computers  
14:25 - 14:45 › A novel approach to predict fish abundance using thermocline depth and animal movement data - Felipe Carvalho, University of Florida  
14:45 - 15:05 › Spatial ecology and fisheries of juvenile blue shark (Prionace glauca) in the mid-North Atlantic - Frederic Vandeperre, University of the Azores  
15:05 - 15:25 › Identification of nursery areas of the blue and the oceanic whitetip sharks in southwestern Atlantic Ocean - Mariana Tolotti, Universidade Federal de Pernambuco, Laboratório de Ecologia Marinha  
3:25 pm - 3:50 pm Coffee break (Ocean)  
3:50 pm - 4:30 pm Session 3: BIOLOGY & ECOLOGY OF PELAGIC SHARKS (Auditorium)  
15:50 - 16:10 › Horizontal and vertical behavior of the oceanic whitetip shark in the western Atlantic ocean - Mariana Tolotti, Institut de Recherche pour le Développement, Universidade Federal de Pernambuco, Laboratório de Ecologia Marinha  
16:10 - 16:30 › Horizontal movement behaviour of silky and oceanic whitetip sharks in the Indian Ocean. - John Filmalter, Institut de Recherche pour le Développement, South African Institute for Aquatic Biodiversity, Department of Ichthyology and Fisheries Science  
4:30 pm - 5:50 pm Session 4: FISHERY IMPACTS (Auditorium)  
16:30 - 16:50 › The respective role of vessels, skipper and environment in tuna catches - Patrice Guillotreau, Université de Nantes  
16:50 - 17:10 › Ecological Risk Assessment for species incidentally caught by fisheries managed by the Indian Ocean Tuna Commission (IOTC) - Hilario Murua, AZTI Tecnalia  
17:10 - 17:30 › How much do fish aggregating devices (FADs) modify the habitat of tropical tunas? - Nicolas Bez, Institut de Recherche pour le Développement, UMR EME  
17:30 - 17:50 › On the fast track to managing FADs - Susan Jackson, International Seafood Sustainability Foundation  

Wednesday, October 17, 2012

Time Event  
9:00 am - 9:45 am Keynote: Balanced harvest? What is it and how does it relate to EAF? (Auditorium) - Serge Garcia
 
9:45 am - 10:25 am Session 4: FISHERY IMPACTS (Auditorium)  
09:45 - 10:05 › Using FADs to derive fishery independent indices for monitoring ecosystem impacts from industrial fishing - Laurent Dagorn, IRD  
10:05 - 10:25 › Yellowfin tuna as an indicator of ecosystem state in the eastern tropical Pacific - Summer L. Martin, Scripps Institution of Oceanography, University of California San Diego  
10:25 am - 10:50 am Coffee break (Ocean)  
10:50 am - 12:30 pm Session 4: FISHERY IMPACTS (Auditorium)  
10:50 - 11:10 › Ecological metrics of biomass removed by three methods of purse-seine fishing for tunas in the eastern tropical Pacific Ocean - Tim Gerrodette, Southwest Fisheries Science Center, NMFS, NOAA  
11:10 - 11:30 › Ghost fishing of silky sharks by drifting FADs: highlighting the extent of the problem - John Filmalter, Institut de Recherche pour le Développement, South African Institute for Aquatic Biodiversity  
11:30 - 11:50 › Full Retention in tuna fisheries: Benefits, costs, and unintended consequences - Valerie Chan, National Marine Fisheries Service, NOAA  
11:50 - 12:10 › Understanding fisheries credit systems: do they offer something new to existing management arrangements? - Mariëlle van Riel, Environmental Policy group Wageningen University  
12:10 - 12:30 › How the MSC fisheries certification program assesses environmental issues of tuna fisheries and minimizes their impacts on the ecosystems - Carlos Montero, Marine Stewardship Council  
12:30 pm - 1:30 pm Lunch (Ocean)  
1:30 pm - 2:15 pm Keynote: Mitigating Problematic Bycatch & Broader Ecosystem-level Effects of Pelagic Tuna Fisheries (Auditorium) - Eric Gilman
 
2:15 pm - 3:35 pm Session 5: TIME-AREA CLOSURES TO MITIGATE BYCATCH (Auditorium)  
14:15 - 14:35 › Is spatial closure efficient for reducing silky shark bycatch by purse seiners? - Monin Amandé, Institut de Recherche pour le Développement  
14:35 - 14:55 › Prediction of spatial distribution of the catches rates of sharks in southwest Atlantic - Thierry Frédou, Universidade Federal Rural de Pernambuco - Flávia Lucena Frédou, Universidade Federal Rural de Pernambuco  
14:55 - 15:15 › Spatio-temporal distribution pattern of juvenile swordfish in the eastern Mediterranean - George Tserpes, Hellenic Centre for Marine Research  
15:15 - 15:35 › Using multi-scale electronic tracking data to evaluate spatial protection measures for juvenile (undersized) bycatch of longline fisheries - Pedro Afonso, IMAR  
3:35 pm - 4:00 pm Coffee break (Ocean)  
4:00 pm - 6:20 pm Session 6: MITIGATION TECHNIQUES IN LONGLINE FISHERIES (Auditorium)  
16:00 - 16:20 › Stress response and post-release survival of longline captures sharks - Diego Bernal, University of Massachusetts - Greg Skomal, Massachusetts Division of Marine Fisheries  
16:20 - 16:40 › Bait innovation as a new challenge in pelagic longlining - Pascal Bach, Institut de Recherche pour le Développement, UMR EME  
16:40 - 17:00 › Vertical behavior of juvenile swordfish revealed by electronic tags - Constantin Koutsikopoulos, University of Patras  
17:00 - 17:20 › Effects of environmental parameters and fishing practices on long-line swordfish catches in the eastern Mediterranean - George Tserpes, Hellenic Centre for Marine Research  
17:20 - 17:40 › Is the fishing time an appropriate bycatch mitigation measure in swordfish-targeting longline fisheries? - Pascal Bach, Institut de Recherche pour le Développement, UMR EME  
17:40 - 18:00 › Spatio-temporal patterns of hooking contacts in pelagic longlining : Do they depend on the catch composition (target species versus bycatch)? - Manuela Capello, Institut de Recherche pour le Développement  
18:00 - 18:20 › Evaluation of electropositive metal for reducing shark bycatch in a commercial pelagic longline fishery - Tonya Wimmer, WWF-Canada  

Thursday, October 18, 2012

Time Event  
9:00 am - 9:45 am Keynote: Economic Incentives to Address Bycatch (Auditorium) - Dale Squires
 
9:45 am - 10:25 am Session 7: MITIGATION TECHNIQUES IN PURSE SEINE FISHERIES (Auditorium)  
09:45 - 10:05 › Economic challenges of the mitigation measures - Arantza Murillas-Maza, AZTI Tecnalia - Patrice Guillotreau, Nantes University  
10:05 - 10:25 › Size selectivity of small-scale purse seine in the Philippines - Ricardo Babaran, College of Fisheries and Ocean Sciences, University of the Philippines Visayas  
10:25 am - 10:50 am Coffee break (Ocean)  
10:50 am - 12:30 pm Session 7: MITIGATION TECHNIQUES IN PURSE SEINE FISHERIES (Auditorium)  
10:50 - 11:10 › ISSF Skippers Workshops: finding best practices in bycatch reduction with the collaboration of tuna purse seine fishers. - Jefferson Murua, AZTI-Tecnalia  
11:10 - 11:30 › An alternative drifting FAD for reducing turtle and shark mortality in Atlantic Ocean - Jose Franco, AZTI  
11:30 - 11:50 › Outcomes of the French program aiming at a widespread use of "non-entangling FADs" - Michel Goujon, Orthongel  
11:50 - 12:10 › Targeting bigger schools can reduce ecosystem impacts of fisheries - Laurent Dagorn, Institut de Recherche pour le Développement  
12:10 - 12:30 › Simultaneous behavior of bigeye, skipjack and yellowfin tunas associated with drifting fish-aggregating devices in the Equatorial eastern Pacific ocean - Kurt Schaefer, Inter-American Tropical Tuna Commission  
12:30 pm - 1:45 pm Lunch - Showing of movie on EU project MADE (Ocean)  
1:45 pm - 3:25 pm Session 7: MITIGATION TECHNIQUES IN PURSE SEINE FISHERIES (Auditorium)  
13:45 - 14:05 › Can the fishing time at FADs be adjusted to reduce bycatch by purse seiners? - Fabien Forget, Rhodes University, South African Institute of Aquatic Biodiversity, Institut de Recherche pour le Developpement  
14:05 - 14:20 › Evaluating a purse-seine captain's ability to accurately predict species composition, sizes and quantities of tunas prior to setting around drifting fish aggregating devices - Kurt Schaefer, Inter-American Tropical Tuna Commission  
14:25 - 14:45 › Mitigating bycatch of Bigeye on purse seine FAD operation using light stimuli - Tatsuki Oshima, Marine Fisheries Research and Development Center  
14:45 - 15:05 › Behavior of target and non-target species when encircled by tuna purse seine gear - Jeff Muir, Pelagic Fisheries research Program, University of Hawaii  
15:05 - 15:25 › Preliminary results of bycatch mitigation techniques before and during setting in the tuna purse seine fishery - Fabien Forget, Rhodes University, South African Institute of Aquatic Biodiversity, Institut de Recherche pour le Developpement  
3:25 pm - 3:50 pm Coffee break (Ocean)  
3:50 pm - 5:50 pm Session 7: MITIGATION TECHNIQUES IN PURSE SEINE FISHERIES (Auditorium)  
15:50 - 16:10 › Part of the Solution: Industry's Role in Research & Science - Thierry Leguennec, TRIMARINE  
16:10 - 16:30 › Selectively releasing sharks from Purse Seine gear: development and testing a release panel concept - David Itano, University of Hawaii at Manoa  
16:30 - 16:50 › Post-release survival of silky sharks caught in tuna purse seine gear - Melanie Hutchinson  
16:50 - 17:10 › Survival rate of silky sharks (Carcharhinus falciformis) caught incidentally onboard French tropical purse seiners. - Francois Poisson, Institut Francais de Recherche pour l'Exploitation de la Mer - John David Filmalter, Rhodes University, Institut de Recherche pour le Developpement, South African Institute for Aquatic Biodiversity - Anne-lise Vernet, IRD - Michel Goujon, Orthongel - Laurent DAGORN, Institut de Recherche pour le Développement  
17:10 - 17:30 › Post-release survival of sharks capture by purse seine in the eastern Pacific Ocean - William Eddy, University of Massachusetts - Diego Bernal, University of Massachusetts  
17:30 - 17:50 › Good practices to reduce the mortality of sharks and rays caught incidentally by the tropical tuna purse seiners. - Francois Poisson, Institut Francais de Recherche pour l'Exploitation de la Mer  
7:30 pm - 11:30 pm Cocktail (Lagoon)  
  
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