Risk Characterization For Introduction And Spread Of Multinucleate Sphere X (Msx) In Prince Edward Island, Canada
Multinucleate Sphere X (MSX) is an important pathogen of the eastern oyster (Crassostrea virginica) on the east coast of North America. This parasite is currently not present in Prince Edward Island (PEI), but there are concerns that it will spread from Cape Breton, Nova Scotia, where it was recentl...
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Online Access: | https://scholarworks.wm.edu/vimsarticles/310 https://scholarworks.wm.edu/context/vimsarticles/article/1309/viewcontent/sanchez2015.pdf |
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ftwilliammarycol:oai:scholarworks.wm.edu:vimsarticles-1309 2024-06-23T07:55:26+00:00 Risk Characterization For Introduction And Spread Of Multinucleate Sphere X (Msx) In Prince Edward Island, Canada Sanchez, J Carnegie, Ryan Warris, P Hill, J Davidson, J St-Hilaire, S. 2015-01-01T08:00:00Z application/pdf https://scholarworks.wm.edu/vimsarticles/310 doi: 10.2983/035.034.0326 https://scholarworks.wm.edu/context/vimsarticles/article/1309/viewcontent/sanchez2015.pdf unknown W&M ScholarWorks https://scholarworks.wm.edu/vimsarticles/310 doi: 10.2983/035.034.0326 https://scholarworks.wm.edu/context/vimsarticles/article/1309/viewcontent/sanchez2015.pdf http://creativecommons.org/licenses/by-nc-sa/3.0/ VIMS Articles Shellfish Oyster Movement Risk Dissemination Multinucleate Sphere X Haplosporidium Nelsoni Pathway Network Analysis Aquatic Health Sciences Peer-Reviewed Articles Marine Biology text 2015 ftwilliammarycol https://doi.org/10.2983/035.034.0326 2024-06-05T03:31:54Z Multinucleate Sphere X (MSX) is an important pathogen of the eastern oyster (Crassostrea virginica) on the east coast of North America. This parasite is currently not present in Prince Edward Island (PEI), but there are concerns that it will spread from Cape Breton, Nova Scotia, where it was recently identified. Introduction of MSX to PEI would cause direct losses to the shellfish industry and it would have long-term implications for exports of oysters. The main goal of this study was to assess the risk of introduction and dissemination of MSX, as estimated by the number of movements of commercial oysters from three data sources. The in-degree (incoming) and out-degree (outgoing) of the contact network among bays, estuaries, and rivers were used to quantify the risks. For a single location on PEI, identification of up to 55 incoming and up to 26 outgoing movements to and from different locations within PEI were recorded. This suggests that if MSX was introduced it could be disseminated quickly. Movements of shellfish (oysters and mussels) from New Brunswick and Nova Scotia, which pose additional risks of pathogen introduction to PEI, were also identified. Two locations (New London Bay and the East-North-West River complex) were consistently ranked in the top quartile of incoming movements by the three data sources. In addition, two other locations (Bideford Area and Conway Narrows) were classified in the same quartile by only two of the data sources, suggesting that these four areas can be considered at high risk for pathogen introduction. Similarly, two locations were classified in the top quartile of outgoing movements (East-North-West River complex and Orwell Area) by the three data sources, whereas Bideford Area and Foxley River were only identified by two of the three data sources in the same quartile. These results indicate not only risk areas for pathogen introduction or dissemination, but also those areas having both high risk of introduction and high risk of dissemination (e.g., East-North-West River ... Text North West River Prince Edward Island W&M ScholarWorks Canada Conway ENVELOPE(-61.422,-61.422,-62.841,-62.841) Orwell ENVELOPE(-45.417,-45.417,-60.733,-60.733) Journal of Shellfish Research 34 3 995 1005 |
institution |
Open Polar |
collection |
W&M ScholarWorks |
op_collection_id |
ftwilliammarycol |
language |
unknown |
topic |
Shellfish Oyster Movement Risk Dissemination Multinucleate Sphere X Haplosporidium Nelsoni Pathway Network Analysis Aquatic Health Sciences Peer-Reviewed Articles Marine Biology |
spellingShingle |
Shellfish Oyster Movement Risk Dissemination Multinucleate Sphere X Haplosporidium Nelsoni Pathway Network Analysis Aquatic Health Sciences Peer-Reviewed Articles Marine Biology Sanchez, J Carnegie, Ryan Warris, P Hill, J Davidson, J St-Hilaire, S. Risk Characterization For Introduction And Spread Of Multinucleate Sphere X (Msx) In Prince Edward Island, Canada |
topic_facet |
Shellfish Oyster Movement Risk Dissemination Multinucleate Sphere X Haplosporidium Nelsoni Pathway Network Analysis Aquatic Health Sciences Peer-Reviewed Articles Marine Biology |
description |
Multinucleate Sphere X (MSX) is an important pathogen of the eastern oyster (Crassostrea virginica) on the east coast of North America. This parasite is currently not present in Prince Edward Island (PEI), but there are concerns that it will spread from Cape Breton, Nova Scotia, where it was recently identified. Introduction of MSX to PEI would cause direct losses to the shellfish industry and it would have long-term implications for exports of oysters. The main goal of this study was to assess the risk of introduction and dissemination of MSX, as estimated by the number of movements of commercial oysters from three data sources. The in-degree (incoming) and out-degree (outgoing) of the contact network among bays, estuaries, and rivers were used to quantify the risks. For a single location on PEI, identification of up to 55 incoming and up to 26 outgoing movements to and from different locations within PEI were recorded. This suggests that if MSX was introduced it could be disseminated quickly. Movements of shellfish (oysters and mussels) from New Brunswick and Nova Scotia, which pose additional risks of pathogen introduction to PEI, were also identified. Two locations (New London Bay and the East-North-West River complex) were consistently ranked in the top quartile of incoming movements by the three data sources. In addition, two other locations (Bideford Area and Conway Narrows) were classified in the same quartile by only two of the data sources, suggesting that these four areas can be considered at high risk for pathogen introduction. Similarly, two locations were classified in the top quartile of outgoing movements (East-North-West River complex and Orwell Area) by the three data sources, whereas Bideford Area and Foxley River were only identified by two of the three data sources in the same quartile. These results indicate not only risk areas for pathogen introduction or dissemination, but also those areas having both high risk of introduction and high risk of dissemination (e.g., East-North-West River ... |
format |
Text |
author |
Sanchez, J Carnegie, Ryan Warris, P Hill, J Davidson, J St-Hilaire, S. |
author_facet |
Sanchez, J Carnegie, Ryan Warris, P Hill, J Davidson, J St-Hilaire, S. |
author_sort |
Sanchez, J |
title |
Risk Characterization For Introduction And Spread Of Multinucleate Sphere X (Msx) In Prince Edward Island, Canada |
title_short |
Risk Characterization For Introduction And Spread Of Multinucleate Sphere X (Msx) In Prince Edward Island, Canada |
title_full |
Risk Characterization For Introduction And Spread Of Multinucleate Sphere X (Msx) In Prince Edward Island, Canada |
title_fullStr |
Risk Characterization For Introduction And Spread Of Multinucleate Sphere X (Msx) In Prince Edward Island, Canada |
title_full_unstemmed |
Risk Characterization For Introduction And Spread Of Multinucleate Sphere X (Msx) In Prince Edward Island, Canada |
title_sort |
risk characterization for introduction and spread of multinucleate sphere x (msx) in prince edward island, canada |
publisher |
W&M ScholarWorks |
publishDate |
2015 |
url |
https://scholarworks.wm.edu/vimsarticles/310 https://scholarworks.wm.edu/context/vimsarticles/article/1309/viewcontent/sanchez2015.pdf |
long_lat |
ENVELOPE(-61.422,-61.422,-62.841,-62.841) ENVELOPE(-45.417,-45.417,-60.733,-60.733) |
geographic |
Canada Conway Orwell |
geographic_facet |
Canada Conway Orwell |
genre |
North West River Prince Edward Island |
genre_facet |
North West River Prince Edward Island |
op_source |
VIMS Articles |
op_relation |
https://scholarworks.wm.edu/vimsarticles/310 doi: 10.2983/035.034.0326 https://scholarworks.wm.edu/context/vimsarticles/article/1309/viewcontent/sanchez2015.pdf |
op_rights |
http://creativecommons.org/licenses/by-nc-sa/3.0/ |
op_doi |
https://doi.org/10.2983/035.034.0326 |
container_title |
Journal of Shellfish Research |
container_volume |
34 |
container_issue |
3 |
container_start_page |
995 |
op_container_end_page |
1005 |
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1802648034554675200 |