ISSN 1198-6727 Fisheries Centre Research Reports 2009 Volume 17 Number 3 Ecopath 25 Years Conference Proceedings: Extended Abstracts Fisheries Centre, University of British Columbia, Canada Ecopath 25 Years Conference Proceedings: Extended Abstracts Edited by M.L. Deng Palomares Lyne Morissette Andres Cisneros-Montemayor Divya Varkey Marta Coll Chiara Piroddi Fisheries Centre Research Reports 17(3) 167 pages © published 2009 by The Fisheries Centre, University of British Columbia 2202 Main Mall Vancouver, B.C., Canada, V6T 1Z4 ISSN 1198-6727 Fisheries Centre Research Reports 17(3) 2009 ECOPATH 25 YEARS CONFERENCE PROCEEDINGS: EXTENDED ABSTRACTS edited by M.L. Deng Palomares Lyne Morissette Andres Cisneros-Montemayor Divya Varkey Marta Coll Chiara Piroddi CONTENTS Page FOREWORD ............................................................................................................................................. 1 WELCOME NOTE ......................................................................................................................................2 THE ORGANIZING COMMITTEE ...................................................................................................................3 ACKNOWLEDGEMENTS ..............................................................................................................................6 ON BEING GREEN..................................................................................................................................... 7 PROGRAM: ORAL PRESENTATIONS ..............................................................................................................8 LIST OF POSTER PRESENTATIONS .............................................................................................................. 12 KEYNOTE SPEAKERS ............................................................................................................................... 14 OPENING SESSION .................................................................................................................................. 16 The origins of Ecopath.................................................................................................................................................... 16 Jeffrey Polovina .......................................................................................................................................................... 16 Ecopath: from the French Frigate Shoals to the Philippines and to UBC ................................................................... 17 Daniel Pauly................................................................................................................................................................ 17 FISHERIES APPLICATIONS: ORAL PRESENTATIONS .......................................................................................20 Foraging arena theory ...................................................................................................................................................20 Carl J. Walters, Villy Christensen, Robert Ahrens ....................................................................................................20 EcoTroph: a new tool in the EwE family....................................................................................................................... 21 Didier Gascuel, Melen Leclerc, Audrey Valls, Sylvie Guénette................................................................................. 21 Exploring fisheries strategies for ecosystem-based management in the East China Sea.........................................23 Jiang Hong, Cheng He Qin, Francisco Arreguín-Sánchez........................................................................................23 Ecological effect of moonjelly, Aurelia aurita, removal in the Sea of Suo-Nada, Seto Inland Sea, Japan ...............25 Shingo Watari, Hiromu Zenitani, Keisuke Yamamoto, Naoaki Kono......................................................................25 Capturing significant coral reef ecosystem and fishery changes in Bolinao, Philippines (1997-2008) using Ecopath with Ecosim.......................................................................................................................................................27 Rollan C. Geronimo, Porfirio M. Aliño ......................................................................................................................27 Fisheries in Baja California Sur: a trophic-based analysis of management scenarios .............................................29 Andres M. Cisneros-Montemayor, Villy Christensen, Ussif Rashid Sumaila, Francisco Arreguín-Sánchez..........29 Impact of fishing and climate on the Celtic Sea and the Bay of Biscay....................................................................... 31 Sylvie Guénette, Didier Gascuel................................................................................................................................. 31 FISHERIES APPLICATIONS: POSTER PRESENTATIONS ................................................................................... 33 Recovery scenarios of a highly exploited species, Merluccius merluccius, in the NW Mediterranean Sea ..............33 Giovanni Vargiu, Marta Coll, Isabel Palomera, Sergi Tudela ...................................................................................33 On the transfer payment of the fishery fuel subsidies in China ...................................................................................35 Cheng He Qin, Jiang Hong.........................................................................................................................................35 Vulnerability to fishing of the Central Gulf of California ecosystem...........................................................................37 Francisco Arreguín-Sánchez, Luis A. Salcido-Guevara.............................................................................................37 Effects of local fisheries and ocean productivity on the Northeastern Ionian Sea ecosystem ...................................39 Chiara Piroddi, Giovanni Bearzi, Villy Christensen ..................................................................................................39 Trophodynamic modelling of the eastern shelf and slope of the South East Fishery ................................................. 41 Catherine Bulman, Scott Condie, Neil Klaer, Dianne Furlani, Madeleine Cahill, Simon Goldsworthy, Ian Knuckey....................................................................................................................................................................... 41 The impacts of longline fishery on the pelagic ecosystem in the eastern Taiwan waters......................................... 44 Chien-Pang Chin, Chi-Lu Sun, Kwang-Ming Liu ..................................................................................................... 44 Introducing ecosystem-based management in the Gulf of Thailand.......................................................................... 46 Ratanawalee Poonsawat, Mala Supongpan, Villy Christensen................................................................................ 46 Trophic analysis of Lake Awassa (Ethiopia) using a mass-balanced Ecopath model ...............................................47 Tadesse Fetahi, Seyoum Mengistou...........................................................................................................................47 SPATIAL ANALYSIS: ORAL PRESENTATIONS ................................................................................................ 49 Ecospace: has its time come? ........................................................................................................................................ 49 Steve Mackinson ........................................................................................................................................................ 49 Evaluation of the usefulness of Marine Protected Areas (MPAs) for management of recovery of fish stocks and ecosystems in the North Sea .......................................................................................................................................... 50 Georgi M. Daskalov, Steve Mackinson, Hong Q. Cheng, John K. Pinnegar............................................................50 Modelling spatial closures and fishing effort restrictions in Jurien Bay, Western Australia: a case study of the western rock lobster (Panulirus cygnus) fishery ..........................................................................................................52 Hector M. Lozano-Montes, Russ Babcock, Neil R. Loneragan.................................................................................52 A trophic model to simulate the combined effect of artisanal and recreational fisheries on a Mediterranean ecosystem: the Bonifacio Straits Natural Reserve (Corsica, France)..........................................................................55 Camille Albouy, François Le Loc’h, Jean Michel Culioli, David Mouillot................................................................55 Trophic modeling of a temperate marine ecosystem throughout marine reserve protection in New Zealand .......57 Tyler D. Eddy, Jonathan P.A. Gardner ......................................................................................................................57 Estimating the carrying capacity of monk seals using the French Frigate