Risicoanalyserapport Japanse Oesterboorder
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Risk assessment on the possible introduction of three predatory snails (Ocinebrellus inornatus, Urosalpinx cinerea , Rapana venosa) in the Dutch Wadden Sea F. Fey, A.M. van den Brink, J.W.M. Wijsman, O.G. Bos Report number C032/10 IMARES Wageningen UR Client: Dr. T.M. van der Have Plantenziektekundige Dienst LNV / Team Invasieve Exoten PO Box 9102 6700 HC Wageningen The Netherlands Publication Date: 6 mei 2010 Report Number C032/10 1 of 88 Cover photos: Ocinebrellus inornatus (Recluz, 1851) (taken from Faasse & Ligthart 2009), Urosalpinx cinerea (http://www.exoticsguide.org/species_pages/u_cinerea.html) and Rapana venosa (http://upload.wikimedia.org/wikipedia/commons/f/fb/Rapana_Black_Sea_2008_G1.jpg) IMARES is: • an independent, objective and authoritative institute that provides knowledge necessary for an integrated sustainable protection, exploitation and spatial use of the sea and coastal zones; • an institute that provides knowledge necessary for an integrated sustainable protection, exploitation and spatial use of the sea and coastal zones; • a key, proactive player in national and international marine networks (including ICES and EFARO). Dit onderzoek is uitgevoerd in opdracht van het Ministerie van Landbouw, Natuur en Voedselkwaliteit. © 2010 IMARES Wageningen UR IMARES, institute of Stichting DLO is The Management of IMARES is not responsible for resulting damage, as well as for registered in the Dutch trade record damage resulting from the application of results or research obtained by IMARES, its clients or any claims related to the application of information found within its nr. 09098104, research. This report has been made on the request of the client and is wholly the BTW nr. NL 806511618 client's property. This report may not be reproduced and/or published partially or in its entirety without the express written consent of the client. A_4_3_2-V9.1 2 of 88 Report Number C032/10 Contents Summary ........................................................................................................................... 6 1 Introduction .......................................................................................... 8 1.1 Invasive species............................................................................................ 11 2 Assignment ........................................................................................ 11 3 Materials and Methods ........................................................................ 11 4 Species description and biology........................................................... 13 4.1 Urosalpinx cinerea (Say, 1822) ...................................................................... 13 4.2 Ocinebrellus inornatus (Recluz, 1851)............................................................. 15 4.3 Rapana venosa (Valenciennes, 1846).............................................................. 17 5 Risk assessment................................................................................. 19 5.1 Likelihood of entrance in Dutch Wadden Sea ................................................... 19 5.2 Likelihood of establishment in the Dutch Wadden Sea ...................................... 20 5.3 Likelihood of distribution in Dutch Wadden Sea................................................ 24 5.4 Endangered areas......................................................................................... 24 5.5 Impact of introduction ................................................................................... 24 5.6 Risk assessment score ................................................................................. 27 6 Risk management ............................................................................... 29 6.1 Prevention.................................................................................................... 29 6.2 Elimination.................................................................................................... 30 6.3 Management ................................................................................................ 31 7 Discussion.......................................................................................... 32 8 Conclusions........................................................................................ 33 9 Quality Assurance ............................................................................... 33 References ......................................................................................................................34 Justification...................................................................................................................... 37 Appendix A. Economic impact on mussel plots and mussel seed capture installations (SMCs). 38 Report Number C032/10 3 of 88 1. Economic impact of the introduction of invasive predatory snails............................ 38 2. Estimated economic impact on mussel plots and seed mussel capture devices (SMC’s) in the Dutch Wadden Sea............................................................................ 39 Rik Beukers - LEI..................................................................................................... 39 Appendix B. FAO Organism risk assessments forms............................................................ 41 Japanese oyster drill -Ocinebrellus inornatus ....................................................................... 42 1. Literature review and background information....................................................... 42 2. Rating elements for the PIES.COM model.............................................................. 44 3. Risk Characterization .......................................................................................... 46 4. Specific Management Questions..................................................................... 47 American oyster drill - Urosalpinx cinerea ........................................................................... 49 1. Literature review and background information....................................................... 49 Pathway Information............................................................................................ 50 2. Rating elements for the PIES.COM model.............................................................. 51 3. Risk Characterization .......................................................................................... 53 4. Specific Management Questions: ......................................................................... 54 Asian rapa whelk - Rapana venosa...................................................................................... 56 1. Literature review and background information....................................................... 56 2. Rating elements for the PIES.COM model.............................................................. 58 3. Risk Characterization .......................................................................................... 60 4. Recommendations .............................................................................................. 61 5. Specific Management Questions: ......................................................................... 61 Appendix C. ISEISA assessments....................................................................................... 62 Japanese oyster drill - Ocinebrellus inornatus- ..................................................................... 63 1. Dispersion potential or invasiveness ..................................................................... 63 2. Colonisation of high conservation value habitats.................................................... 63 3. Adverse impacts on native species ...................................................................... 63 4. Alteration of ecosystem functions ........................................................................ 64 5. Global environmental risk..................................................................................... 64 American oyster drill - Urosalpinx cinerea-........................................................................... 65 1. Dispersion potential or invasiveness ..................................................................... 65 2. Colonisation of high conservation value habitats.................................................... 65 4 of 88 Report Number C032/10 3. Adverse impacts on native species ...................................................................... 65 4. Alteration of ecosystem functions ........................................................................ 66 5. Global environmental risk..................................................................................... 66 Asian Rapa Whelk - Rapana venosa..................................................................................... 67 1. Dispersion potential or invasiveness ..................................................................... 67 2. Colonisation of high conservation value habitats.................................................... 67 3. Adverse impacts on native species ...................................................................... 67 4. Alteration of ecosystem functions ........................................................................ 68 5. Global environmental risk..................................................................................... 68 Appendix D. Risico beoordeling – toetsing aan Habitatrichtlijn .............................................. 69 1.1 Relevantie habitattypen en habitatrichtlijnsoorten................................................