{"id":641,"date":"2015-02-13T17:43:31","date_gmt":"2015-02-13T17:43:31","guid":{"rendered":"https:\/\/sites.cs.dal.ca\/meridian-rebuild\/?p=641"},"modified":"2019-12-10T15:05:26","modified_gmt":"2019-12-10T15:05:26","slug":"acoustic-monitoring-of-boating-activity","status":"publish","type":"post","link":"https:\/\/meridian.cs.dal.ca\/fr\/2015\/02\/13\/acoustic-monitoring-of-boating-activity\/","title":{"rendered":"Suivi acoustique des activit\u00e9s de navigation"},"content":{"rendered":"<div class=\"wp-block-columns alignwide has-2-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column content_column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\n\nAux \u00c9tats-Unis, une \u00e9quipe de recherche dirig\u00e9e par M. Neil Hammerschlag, Ph.D., de la Rosenstiel School of Marine and Atmospheric Science de l\u2019Universit\u00e9 de Miami \u00e9tudie les effets de l\u2019urbanisation c\u00f4ti\u00e8re sur la r\u00e9partition, les d\u00e9placements et la sant\u00e9 des requins. L\u2019\u00e9tude, connue sous le nom de Urban Sharks project, se concentre sur le nord de la Baie de Biscayne. Il s\u2019agit d\u2019une r\u00e9gion fortement affect\u00e9e par la population de Miami (2,5 millions d\u2019habitants), notamment en raison d\u2019un achalandage \u00e9lev\u00e9 de la navigation de plaisance.\n<\/p>\n\n\n\n<p>\nEn collaboration avec l\u2019OTN, Neil et son \u00e9quipe ont implant\u00e9 un r\u00e9seau de rep\u00e9rage acoustique, pour \u00e9tudier la distribution et les mouvements de requins munis d\u2019\u00e9metteurs. En outre, ils ont mis en place des hydrophones large bande qu'ils utilisent pour \u00e9couter les sons sous-marins qui sont cr\u00e9\u00e9s par l\u2019homme ou qui proviennent de la vie marine. \n<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"728\" src=\"https:\/\/meridian.cs.dal.ca\/wp-content\/uploads\/2019\/12\/Projects_AcousticMonitoring-1-1024x728.jpg\" alt=\"\" class=\"wp-image-1465\" srcset=\"https:\/\/meridian.cs.dal.ca\/wp-content\/uploads\/2019\/12\/Projects_AcousticMonitoring-1-1024x728.jpg 1024w, https:\/\/meridian.cs.dal.ca\/wp-content\/uploads\/2019\/12\/Projects_AcousticMonitoring-1-300x213.jpg 300w, https:\/\/meridian.cs.dal.ca\/wp-content\/uploads\/2019\/12\/Projects_AcousticMonitoring-1-768x546.jpg 768w, https:\/\/meridian.cs.dal.ca\/wp-content\/uploads\/2019\/12\/Projects_AcousticMonitoring-1.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>Les requins-marteaux figurent parmi les esp\u00e8ces de requins pr\u00e9sentes dans la Baie de Biscayne<\/figcaption><\/figure><\/div>\n\n\n\n<p>\nMERIDIAN soutient Neil et son \u00e9quipe dans l\u2019analyse des donn\u00e9es relatives aux hydrophones large bande et a d\u00e9velopp\u00e9 un logiciel permettant de d\u00e9tecter le bruit sous-marin caus\u00e9 par les bateaux. Ce \u00ab d\u00e9tecteur de bateaux \u00bb a \u00e9t\u00e9 appliqu\u00e9 avec succ\u00e8s pour quantifier l'activit\u00e9 de navigation de plaisance dans la Baie de Biscayne. Des donn\u00e9es pr\u00e9cieuses ont \u00e9t\u00e9 recueillies \u00e0 propos des perturbations caus\u00e9es par les bateaux. Ces derni\u00e8res peuvent alors \u00eatre compar\u00e9es \u00e0 l'habitat et au niveau d'activit\u00e9 des requins.\n<\/p>\n\n\n\n<p> Nos efforts actuels consistent \u00e0 \u00e9largir les capacit\u00e9s de notre \u00ab d\u00e9tecteur de bateaux \u00bb pour distinguer les types d\u2019activit\u00e9s de navigation et les sortes de moteurs. Nous examinerons \u00e9galement de plus pr\u00e8s les sons \u00e9mis par des animaux marins dans le but de quantifier la biodiversit\u00e9 dans la Baie de Biscayne. <\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped aligncenter blog_gallery wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/meridian.cs.dal.ca\/wp-content\/uploads\/2019\/10\/DSCN2598-1024x768.jpg\" alt=\"\" data-id=\"642\" data-link=\"https:\/\/meridian.cs.dal.ca\/dscn2598\/\" class=\"wp-image-642\" srcset=\"https:\/\/meridian.cs.dal.ca\/wp-content\/uploads\/2019\/10\/DSCN2598-1024x768.jpg 1024w, https:\/\/meridian.cs.dal.ca\/wp-content\/uploads\/2019\/10\/DSCN2598-300x225.jpg 300w, https:\/\/meridian.cs.dal.ca\/wp-content\/uploads\/2019\/10\/DSCN2598-768x576.jpg 768w, https:\/\/meridian.cs.dal.ca\/wp-content\/uploads\/2019\/10\/DSCN2598.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/meridian.cs.dal.ca\/wp-content\/uploads\/2019\/10\/DSCN4016-1024x768.jpg\" alt=\"\" data-id=\"643\" data-link=\"https:\/\/meridian.cs.dal.ca\/dscn4016\/\" class=\"wp-image-643\" srcset=\"https:\/\/meridian.cs.dal.ca\/wp-content\/uploads\/2019\/10\/DSCN4016-1024x768.jpg 1024w, https:\/\/meridian.cs.dal.ca\/wp-content\/uploads\/2019\/10\/DSCN4016-300x225.jpg 300w, https:\/\/meridian.cs.dal.ca\/wp-content\/uploads\/2019\/10\/DSCN4016-768x576.jpg 768w, https:\/\/meridian.cs.dal.ca\/wp-content\/uploads\/2019\/10\/DSCN4016.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p class=\"has-text-align-center has-small-font-size caption\">\nHydrophone situ\u00e9 sur le fond sableux de la baie de Biscayne (\u00e0 gauche) d\u00e9ploiement d\u2019un hydrophone (\u00e0 droite)\n<\/p>\n\n\n\n<p> Les outils d'analyse de donn\u00e9es d\u00e9velopp\u00e9s par MERIDIAN seront mis \u00e0 disposition gratuitement sur notre portail de logiciels. Nous esp\u00e9rons qu'ils seront utilis\u00e9s dans le cadre d'autres projets de recherche en bioacoustique. <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column link_column is-layout-flow wp-block-column-is-layout-flow\">\n<h5 class=\"wp-block-heading\">Liens connexes<\/h5>\n\n\n\n<ul class=\"link_list wp-block-list\"><li><a href=\"https:\/\/gitlab.meridian.cs.dal.ca\/public_projects\/boat_detector\">Installer le d\u00e9tecteur de bateau<\/a><\/li><li><a href=\"https:\/\/sharkresearch.rsmas.miami.edu\/research\/projects\/urban-sharks\/\">Urban Sharks Project<\/a><\/li><\/ul>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>In Miami, US, a research team led by Dr. Neil Hammerschlag from the University of Miami&#8217;s Rosenstiel School of Marine and Atmospheric Science, is studying how coastal urbanization is affecting the distribution, movement, and health of coastal sharks. The study, known as the Urban Sharks project, is focusing on the [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":555,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[9,10],"class_list":["post-641","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-activities","tag-data-analysis","tag-software"],"_links":{"self":[{"href":"https:\/\/meridian.cs.dal.ca\/fr\/wp-json\/wp\/v2\/posts\/641","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/meridian.cs.dal.ca\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/meridian.cs.dal.ca\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/meridian.cs.dal.ca\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/meridian.cs.dal.ca\/fr\/wp-json\/wp\/v2\/comments?post=641"}],"version-history":[{"count":6,"href":"https:\/\/meridian.cs.dal.ca\/fr\/wp-json\/wp\/v2\/posts\/641\/revisions"}],"predecessor-version":[{"id":1473,"href":"https:\/\/meridian.cs.dal.ca\/fr\/wp-json\/wp\/v2\/posts\/641\/revisions\/1473"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/meridian.cs.dal.ca\/fr\/wp-json\/wp\/v2\/media\/555"}],"wp:attachment":[{"href":"https:\/\/meridian.cs.dal.ca\/fr\/wp-json\/wp\/v2\/media?parent=641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/meridian.cs.dal.ca\/fr\/wp-json\/wp\/v2\/categories?post=641"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/meridian.cs.dal.ca\/fr\/wp-json\/wp\/v2\/tags?post=641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}