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Le programme national de surveillance des salissures marines de Pêches et Océans Canada (MPO) effectue des relevés annuels sur le terrain pour surveiller l\u2019introduction, l\u2019établissement, la propagation, la richesse des espèces et l\u2019abondance relative des espèces indigènes et non indigènes depuis 2006. Les protocoles de surveillance normalisés employés par les régions des Maritimes, du Golfe et du Québec du MPO comprennent des plaques collectrices de biosalissures déployées de mai à octobre à des sites géoréférencés intertidaux et subtidaux peu profonds, y compris des quais publics et privés, des sites des concessions aquacoles, des marinas publiques et privées et des clubs nautiques.<\/SPAN><\/P>

Initialement, dans la région des Maritimes (2006-2017), les collecteurs consistaient en trois plaques en PVC de 10 cm sur 10 cm déployées en réseau vertical et espacées d\u2019environ 40 cm, la plaque la moins profonde étant suspendue à au moins 1 m sous la surface pour échantillonner les espèces subtidales et intertidales peu profondes (Sephton et al. 2011, 2017). Deux réseaux répétés ont été déployés à au moins 5 m de distance par site. Depuis 2018, les réseaux de collecteurs ont été modifiés pour améliorer la réplication statistique, y compris 10 collecteurs individuels déployés par site à 1 m de profondeur et à au moins 5 m de distance (comme ci-dessus) de mai à octobre. Le pourcentage de couverture des espèces aquatiques envahissantes sur tous les collecteurs a été déterminé par examen visuel et noté comme suit : (i) \u20180\u2019 = absent, (ii) \u20181\u2019 = ≤ 25 % de couverture (iii) \u20182\u2019 = 25 à ≤ 50 %, (iv) \u20183\u2019 = 50 à 75 % et (v) \u20184\u2019 => 75 %. La couverture moyenne en pourcentage est fournie pour toutes les espèces non indigènes observées annuellement par site. La présence et l\u2019absence indiquent qu\u2019une espèce non indigène a été observée sur au moins une plaque collectrice.<\/SPAN><\/P>

Une autre espèce intertidale rocheuse (le crabe sanguin; Hemigrapsus sanguineus) a été évaluée par l\u2019intermédiaire de relevés de plage, selon le temps et les ressources disponibles, à la suite du site, qui a été initialement installé dans la baie St. Marys (Nouvelle-Écosse) en avril 2020. Des relevés d\u2019évaluation rapide effectués à l\u2019automne 2020 et 2021 ont été employés pour délimiter la distribution et l\u2019abondance relative de H. sanguineus. Les zones jugées appropriées et à haut risque pour la propagation ont été ciblées, notamment l\u2019habitat intertidal rocheux exposé dans les régions du sud ouest de la Nouvelle-Écosse et du Nouveau-Brunswick. Chaque évaluation rapide consistait en des relevés de plage de 30 minutes par site effectués par deux ou trois personnes (modifié de Stephenson et al. 2011). Au cours de chaque relevé, les crabes ont été recueillis sous les rochers et les algues dans l\u2019habitat préféré des galets et des rochers (Lohrer et al. 2000). Les données de dénombrement ont été standardisées pour chaque site comme le nombre de crabes recueillis par 30 minutes de recherche et par personne.<\/SPAN><\/P>

Doit être cité comme suit :<\/SPAN><\/P>

Programme de surveillance des salissures marines de la région des Maritimes du MPO. Publié en octobre 2018, mis à jour en Décembre 2022. Division de la science des écosystèmes côtiers, Pêches et Océans Canada, Dartmouth (Nouvelle-Écosse).<\/SPAN><\/P>

Références :<\/SPAN><\/P>

Sephton D, B Vercaemer, JM Nicolas, J Keays (2011) Monitoring for invasive tunicates in Nova Scotia, Canada (2006-2009) Aquatic Invasions 6: 391-403.<\/SPAN><\/P>

Sephton D, B Vercaemer, A Silva, L Stiles, M Harris, K Godin (2017) Biofouling monitoring for aquatic invasive species (AIS) in DFO Maritimes Regions (Atlantic shore of Nova Scotia and southwest New Brunswick): May-November, 2012-2015. Canadian Technical Report of Fisheries and Aquatic Sciences 3158: 72 pp.<\/SPAN><\/P>

Stephenson EH, RS Steneck, RH Seeley (2009) Possible temperature limits to range expansion of non-native Asian shore crabs in Maine. Journal of Experimental Marine Biology and Ecology 375: 21\u201331. doi:10.1016/j.jembe.2009.04.020.<\/SPAN><\/P>

Apprenez-en plus ou téléchargez cet ensemble de données à partir du portail de données ouvertes du gouvernement du Canada.<\/SPAN><\/SPAN><\/A><\/P><\/DIV><\/DIV><\/DIV>", "mapName": "Programme de surveillance des salissures marines de la région des Maritimes de Pêches et Océans Canada (MPO)", "description": "

Le programme national de surveillance des salissures marines de Pêches et Océans Canada (MPO) effectue des relevés annuels sur le terrain pour surveiller l\u2019introduction, l\u2019établissement, la propagation, la richesse des espèces et l\u2019abondance relative des espèces indigènes et non indigènes depuis 2006. Les protocoles de surveillance normalisés employés par les régions des Maritimes, du Golfe et du Québec du MPO comprennent des plaques collectrices de biosalissures déployées de mai à octobre à des sites géoréférencés intertidaux et subtidaux peu profonds, y compris des quais publics et privés, des sites des concessions aquacoles, des marinas publiques et privées et des clubs nautiques.<\/SPAN><\/P>

Initialement, dans la région des Maritimes (2006-2017), les collecteurs consistaient en trois plaques en PVC de 10 cm sur 10 cm déployées en réseau vertical et espacées d\u2019environ 40 cm, la plaque la moins profonde étant suspendue à au moins 1 m sous la surface pour échantillonner les espèces subtidales et intertidales peu profondes (Sephton et al. 2011, 2017). Deux réseaux répétés ont été déployés à au moins 5 m de distance par site. Depuis 2018, les réseaux de collecteurs ont été modifiés pour améliorer la réplication statistique, y compris 10 collecteurs individuels déployés par site à 1 m de profondeur et à au moins 5 m de distance (comme ci-dessus) de mai à octobre. Le pourcentage de couverture des espèces aquatiques envahissantes sur tous les collecteurs a été déterminé par examen visuel et noté comme suit : (i) \u20180\u2019 = absent, (ii) \u20181\u2019 = ≤ 25 % de couverture (iii) \u20182\u2019 = 25 à ≤ 50 %, (iv) \u20183\u2019 = 50 à 75 % et (v) \u20184\u2019 => 75 %. La couverture moyenne en pourcentage est fournie pour toutes les espèces non indigènes observées annuellement par site. La présence et l\u2019absence indiquent qu\u2019une espèce non indigène a été observée sur au moins une plaque collectrice.<\/SPAN><\/P>

Une autre espèce intertidale rocheuse (le crabe sanguin; Hemigrapsus sanguineus) a été évaluée par l\u2019intermédiaire de relevés de plage, selon le temps et les ressources disponibles, à la suite du site, qui a été initialement installé dans la baie St. Marys (Nouvelle-Écosse) en avril 2020. Des relevés d\u2019évaluation rapide effectués à l\u2019automne 2020 et 2021 ont été employés pour délimiter la distribution et l\u2019abondance relative de H. sanguineus. Les zones jugées appropriées et à haut risque pour la propagation ont été ciblées, notamment l\u2019habitat intertidal rocheux exposé dans les régions du sud ouest de la Nouvelle-Écosse et du Nouveau-Brunswick. Chaque évaluation rapide consistait en des relevés de plage de 30 minutes par site effectués par deux ou trois personnes (modifié de Stephenson et al. 2011). Au cours de chaque relevé, les crabes ont été recueillis sous les rochers et les algues dans l\u2019habitat préféré des galets et des rochers (Lohrer et al. 2000). Les données de dénombrement ont été standardisées pour chaque site comme le nombre de crabes recueillis par 30 minutes de recherche et par personne.<\/SPAN><\/P>

Doit être cité comme suit :<\/SPAN><\/P>

Programme de surveillance des salissures marines de la région des Maritimes du MPO. Publié en octobre 2018, mis à jour en Décembre 2022. Division de la science des écosystèmes côtiers, Pêches et Océans Canada, Dartmouth (Nouvelle-Écosse).<\/SPAN><\/P>

Références :<\/SPAN><\/P>

Sephton D, B Vercaemer, JM Nicolas, J Keays (2011) Monitoring for invasive tunicates in Nova Scotia, Canada (2006-2009) Aquatic Invasions 6: 391-403.<\/SPAN><\/P>

Sephton D, B Vercaemer, A Silva, L Stiles, M Harris, K Godin (2017) Biofouling monitoring for aquatic invasive species (AIS) in DFO Maritimes Regions (Atlantic shore of Nova Scotia and southwest New Brunswick): May-November, 2012-2015. Canadian Technical Report of Fisheries and Aquatic Sciences 3158: 72 pp.<\/SPAN><\/P>

Stephenson EH, RS Steneck, RH Seeley (2009) Possible temperature limits to range expansion of non-native Asian shore crabs in Maine. Journal of Experimental Marine Biology and Ecology 375: 21\u201331. doi:10.1016/j.jembe.2009.04.020.<\/SPAN><\/P>

Apprenez-en plus ou téléchargez cet ensemble de données à partir du portail de données ouvertes du gouvernement du Canada.<\/SPAN><\/SPAN><\/A><\/P><\/DIV><\/DIV><\/DIV>", "copyrightText": "Pêches et Océans Canada, Institut océanographique de Bedford, P.O. 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Le programme national de surveillance des salissures marines de Pêches et Océans Canada (MPO) effectue des relevés annuels sur le terrain pour surveiller l\u2019introduction, l\u2019établissement, la propagation, la richesse des espèces et l\u2019abondance relative des espèces indigènes et non indigènes depuis 2006. Les protocoles de surveillance normalisés employés par les régions des Maritimes, du Golfe et du Québec du MPO comprennent des plaques collectrices de biosalissures déployées de mai à octobre à des sites géoréférencés intertidaux et subtidaux peu profonds, y compris des quais publics et privés, des sites des concessions aquacoles, des marinas publiques et privées et des clubs nautiques.<\/SPAN><\/P>

Initialement, dans la région des Maritimes (2006-2017), les collecteurs consistaient en trois plaques en PVC de 10 cm sur 10 cm déployées en réseau vertical et espacées d\u2019environ 40 cm, la plaque la moins profonde étant suspendue à au moins 1 m sous la surface pour échantillonner les espèces subtidales et intertidales peu profondes (Sephton et al. 2011, 2017). Deux réseaux répétés ont été déployés à au moins 5 m de distance par site. Depuis 2018, les réseaux de collecteurs ont été modifiés pour améliorer la réplication statistique, y compris 10 collecteurs individuels déployés par site à 1 m de profondeur et à au moins 5 m de distance (comme ci-dessus) de mai à octobre. Le pourcentage de couverture des espèces aquatiques envahissantes sur tous les collecteurs a été déterminé par examen visuel et noté comme suit : (i) \u20180\u2019 = absent, (ii) \u20181\u2019 = ≤ 25 % de couverture (iii) \u20182\u2019 = 25 à ≤ 50 %, (iv) \u20183\u2019 = 50 à 75 % et (v) \u20184\u2019 => 75 %. La couverture moyenne en pourcentage est fournie pour toutes les espèces non indigènes observées annuellement par site. La présence et l\u2019absence indiquent qu\u2019une espèce non indigène a été observée sur au moins une plaque collectrice.<\/SPAN><\/P>

Une autre espèce intertidale rocheuse (le crabe sanguin; Hemigrapsus sanguineus) a été évaluée par l\u2019intermédiaire de relevés de plage, selon le temps et les ressources disponibles, à la suite du site, qui a été initialement installé dans la baie St. Marys (Nouvelle-Écosse) en avril 2020. Des relevés d\u2019évaluation rapide effectués à l\u2019automne 2020 et 2021 ont été employés pour délimiter la distribution et l\u2019abondance relative de H. sanguineus. Les zones jugées appropriées et à haut risque pour la propagation ont été ciblées, notamment l\u2019habitat intertidal rocheux exposé dans les régions du sud ouest de la Nouvelle-Écosse et du Nouveau-Brunswick. Chaque évaluation rapide consistait en des relevés de plage de 30 minutes par site effectués par deux ou trois personnes (modifié de Stephenson et al. 2011). Au cours de chaque relevé, les crabes ont été recueillis sous les rochers et les algues dans l\u2019habitat préféré des galets et des rochers (Lohrer et al. 2000). Les données de dénombrement ont été standardisées pour chaque site comme le nombre de crabes recueillis par 30 minutes de recherche et par personne.<\/SPAN><\/P>

Doit être cité comme suit :<\/SPAN><\/P>

Programme de surveillance des salissures marines de la région des Maritimes du MPO. Publié en octobre 2018, mis à jour en Décembre 2022. Division de la science des écosystèmes côtiers, Pêches et Océans Canada, Dartmouth (Nouvelle-Écosse).<\/SPAN><\/P>

Références :<\/SPAN><\/P>

Sephton D, B Vercaemer, JM Nicolas, J Keays (2011) Monitoring for invasive tunicates in Nova Scotia, Canada (2006-2009) Aquatic Invasions 6: 391-403.<\/SPAN><\/P>

Sephton D, B Vercaemer, A Silva, L Stiles, M Harris, K Godin (2017) Biofouling monitoring for aquatic invasive species (AIS) in DFO Maritimes Regions (Atlantic shore of Nova Scotia and southwest New Brunswick): May-November, 2012-2015. Canadian Technical Report of Fisheries and Aquatic Sciences 3158: 72 pp.<\/SPAN><\/P>

Stephenson EH, RS Steneck, RH Seeley (2009) Possible temperature limits to range expansion of non-native Asian shore crabs in Maine. Journal of Experimental Marine Biology and Ecology 375: 21\u201331. doi:10.1016/j.jembe.2009.04.020.<\/SPAN><\/P>

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