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WGITMO Report 2007 ICES WGITMO Report 2007 ICES Committee on Marine Environment ICES CM 2007/ACME:05 Report of the Working Group on Introductions and Transfers of Marine Organisms (WGITMO) 21–23 March 2007 Dubrovnik, Croatia International Council for the Exploration of the Sea Conseil International pour l’Exploration de la Mer H. C. Andersens Boulevard 44–46 DK­1553 Copenhagen V Denmark Telephone (+45) 33 38 67 00 Telefax (+45) 33 93 42 15 www.ices.dk [email protected] Recommended format for purposes of citation: ICES. 2007. Report of the Working Group on Introductions and Transfers of Marine Organisms (WGITMO), 21–23 March 2007, Dubrovnik, Croatia. ICES CM 2007/ACME:05. 160 pp. For permission to reproduce material from this publication, please apply to the General Secretary. The document is a report of an Expert Group under the auspices of the International Council for the Exploration of the Sea and does not necessarily represent the views of the Council. © 2007 International Council for the Exploration of the Sea ICES WGITMO Report 2007 | i Contents Contents ........................................................................................................................i 1 Summary..............................................................................................................1 2 Meeting attendance, adoption of agenda, appointment of rapporteur, and review of terms of reference ................................................................................2 3 Progress with Terms of Reference at the WGITMO 2007 Meeting...................2 4 Merger Consideration Discussion........................................................................3 5 National Report Synthesis, Revision of Format, and Adoption of Matrix with Locations......................................................................................................3 5.1 National Report Format................................................................................3 5.2 Communicating with ICES Members about Introduced Species ....................4 5.3 Highights of the national reports...................................................................5 6 OSPAR Report ..................................................................................................11 7 Draft 5­year summary (ToR d)..........................................................................12 8 Rapid assessment report (ToR e).......................................................................12 9 Status of development of ICES Alien Species Alert reports (ToR f).................14 9.1 General comments......................................................................................14 9.2 Alien Species Alert Report: Crassostrea gigas............................................14 9.3 Examination of the Code of Practice in the proposed introduction of Crassostrea ariakensis in the US................................................................16 10 Review impact of targeted fisheries species on nonindigenous species (ToR g) ...............................................................................................................17 11 Discussion on cooperation and communication with PICES WG21.................19 12 Other topics........................................................................................................20 12.1 Future meetings..........................................................................................20 12.2 Proposed Terms of Reference for 2008.......................................................20 Annex 1: List of participants at the meeting of WGITMO 2007.............................23 Annex 2: Agenda ......................................................................................................27 Annex 3: Letter to Paul Keiser from WGBOSV and WGITMO Regarding the Request to Consider Merging the two Working Groups...................................33 Annex 4: OSPAR Report..........................................................................................35 Annex 5: National Reports.......................................................................................41 Annex 6: Rapid Response Guidelines..................................................................... 125 Annex 7: Risk Assessment Protocols: Identifying risk of Nonindigenous Species. 137 Annex 8: Alien Species Alert Report – Crassostrea gigas...................................... 151 ii | ICES WGITMO Report 2007 Annex 9: Draft: Consideration of the oyster Crassostrea ariakensis for introduction to the Chesapeake Bay, USA and the utility of ICES Code of Practice guidelines ........................................................................................... 153 ICES WGITMO Report 2007 | 1 1 Summary In 2007 the ICES Working Group on Introductions and Transfers of Marine Organisms (WGITMO) met in Dubrovnik, Croatia with Judith Pederson (USA) as Chair and Amy Williams (Canada) as Rapporteur. The meeting venue was the University of Dubrovnik Rector Palace, Dubrovnik, Croatia with Marijana Katic Peravic and Josko Miskus (University of Dubrovnik) as hosts. Representatives and guests from Belgium, Canada, Croatia, France, Germany, Italy, Sweden, United Kingdom, and the United States of America contributed to the discussions. Terms of Reference a ) To identify and report on changes in the distribution, population abundance and condition of introduced marine species in the OSPAR maritime area in relation to changes in hydrodynamics and sea temperature; b ) consider and report on the utility and content of the National reports (TORs a and b) and the format and publication of the New Species Alerts; c ) synthesise and evaluate National Reports, after intersessionally restructuring the report format to ensure consistency for ease of assessment and to include geographic information (latitude and longitude) for rapid tracking of the spread of invasive species; d ) develop a 5 year summary of National Reports (2003–2007) with the aim to prepare a 25 year summary based on earlier reports at a future meeting (intercessional preparation of draft material is essential), e ) finalize a report for rapid response and control options, including • invitation of an internationally recognized expert to develop a risk assessment strategy for the rapid response including likelihood of success of eradication, impact of the invasive species on species in the area of introduction and impact of control methods (e.g. chemical eradication) on non­target species and habitat in the receiving environment; • contribute intersessionally to the database (Excel spreadsheet) for the rapid response account (e.g. case histories); f ) develop Alien Species Alert reports including evaluation of impacts and to increase public awareness. WGITMO suggests preparing intersessionally a Species Alert Report on the Pacific oyster Crassostrea gigas with the aim to finalize the report at next years meeting. Other candidate species are the Chinese mitten crab and Didemnum sp. (intercessional preparation of draft material is essential); g ) review the impact of targeted fisheries on non­indigenous species (e.g. King crab, Chinese mitten crab, Green crab, Manila clam); h ) consider and respond to the recommendation from ACME to merge in 2008 WGITMO and WGBOSV into a single working group with a broadened mandate for the occurrence and impact of marine invasive and/or pest organisms. 2 | ICES WGITMO Report 2007 2 Meeting attendance, adoption of agenda, appointment of rapporteur, and review of terms of reference In 2007 the ICES Working Group on Introductions and Transfers of Marine Organisms (WGITMO) met in Dubrovnik, Croatia with Judith Pederson (USA) as Chair. The meeting venue was the University of Dubrovnik Rector Palace, Dubrovnik, Croatia with Marijana Katic Peravic and Josko Miskus (University of Dubrovnik) as hosts. Representatives and guests from Belgium, Canada, Croatia France, Germany, Italy, Sweden, United Kingdom, and the United States of America contributed to the discussions (see Annex 1 for participant’s names and addresses). Apologies were received from WGITMO members Dorothee Kieser and Anne­Margaret McKinnon, Canada; Henn Ojaver, Estonia; Jorn Gessner, Germany; Dan Minchin, Ireland; Jan Sundet; Norway; Anna Szaniawska, Poland; Jesus Cabal and Santiago Fraga, Spain; Clare Eno and Tracy McCollin, United Kingdom; and James Carlton and Greg Ruiz, United States of American and observers Chad Hewitt, Australia. Amy Williams, Canada agreed to serve as rapporteur. The agenda was adopted (Annex 2). 3 Progress with Terms of Reference at the WGITMO 2007 Meeting This section addresses the terms of reference discussed at the meeting. All terms of reference were discussed with comments reported in this and the following sections. The highlights of the Terms of Reference are as follows: 3.1 A joint letter from the Working Group Introductions and Transfers of Marine Organisms (WGIMTO) and the Working Group on Ballast and Other Vectors (WGBOSV) was sent to Paul Keiser recommending to not merge the two working groups. 3.2 A revised National Report format was recommended along with a datasheet for reporting coordinates to assist with mapping new invasions. Several options for communicating the findings from the National Reports and the Alien Species Reports were discussed. 3.3 A report was submitted to OSPAR on changes in distribution and reproductive periods that are probably related to warmer temperatures. 3.4 A draft invertebrate section of the five­year report was reviewed by members at the
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