{"id":5040,"date":"2026-03-18T17:51:20","date_gmt":"2026-03-18T17:51:20","guid":{"rendered":"https:\/\/researchnb.ca\/?post_type=impact-stories&#038;p=5040"},"modified":"2026-03-18T17:51:20","modified_gmt":"2026-03-18T17:51:20","slug":"alain-patoine","status":"publish","type":"impact-stories","link":"https:\/\/researchnb.ca\/fr\/impact-stories\/alain-patoine\/","title":{"rendered":"Lire les lits de rivi\u00e8res pour d\u00e9tecter les signes de pollution de l\u2019eau dans le nord du Nouveau-Brunswick"},"content":{"rendered":"\n\n\t <div class=\"breadcrumb-container theme1\">\n<ol>\n      <li><a href=\"https:\/\/researchnb.ca\/fr\/impact\/\"><span>Impact<\/span><\/a><span class=\"separator\"><i class=\"fa-solid fa-angle-right\"><\/i><\/span><\/li>\n    <li><a href=\"https:\/\/researchnb.ca\/fr\/impact\/impact-stories\/\"><span>Histoires d\u2019impact<\/span><\/a><span class=\"separator\"><i class=\"fa-solid fa-angle-right\"><\/i><\/span><\/li>\n    <li><a href=\"\"><span>Lire les lits de rivi\u00e8res pour d\u00e9tecter les signes de pollution de l\u2019eau dans le nord du Nouveau-Brunswick<\/span><\/a><\/li>\n                <\/ol>\n        <\/div>    <script type=\"application\/ld+json\">\n        {\n            \"@context\": \"http:\/\/schema.org\",\n            \"@type\": \"BreadcrumbList\",\n            \"itemListElement\": [\n                            ]\n        }\n    <\/script>\n   \n    <script>\n            <\/script>\n<nav aria-label=\"breadcrumbs\">\n            <div class=\"breadcrumb-container theme1\">\n                <ol>\n                                    <\/ol>\n            <\/div>\n        <\/nav>    <script type=\"application\/ld+json\">\n        {\n            \"@context\": \"http:\/\/schema.org\",\n            \"@type\": \"BreadcrumbList\",\n            \"itemListElement\": [\n                            ]\n        }\n    <\/script>\n   \n    <script>\n            <\/script>\n\n\n\t        <a href=\"https:\/\/researchnb.ca\/impact\/impact-stories\/?_impact_stories_category=stories-fr\">\n            Stories<\/a> <span> | <\/span>\n                          <a style=\"color:#292d74\"\n            href=\"https:\/\/researchnb.ca\/impact\/impact-stories\/?_impact_sector=oceans-fr\">\n            Oc\u00e9ans<\/a> <span> | <\/span>\n         \n\t\t<img width=\"1529\" height=\"815\" src=\"https:\/\/researchnb.ca\/wp-content\/uploads\/2026\/03\/test-alain-patoine.png\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/researchnb.ca\/wp-content\/uploads\/2026\/03\/test-alain-patoine.png 1529w, https:\/\/researchnb.ca\/wp-content\/uploads\/2026\/03\/test-alain-patoine-300x160.png 300w, https:\/\/researchnb.ca\/wp-content\/uploads\/2026\/03\/test-alain-patoine-1024x546.png 1024w, https:\/\/researchnb.ca\/wp-content\/uploads\/2026\/03\/test-alain-patoine-768x409.png 768w\" sizes=\"auto, (max-width: 1529px) 100vw, 1529px\" \/><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/uyjc-cINhlE?si=wswW91nGzPJQOb2R\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\t\n<h2>\n\t\t\tCe n&rsquo;est un secret pour personne : le nord du Nouveau-Brunswick accuse un retard par rapport au reste de la province en mati\u00e8re de croissance \u00e9conomique.\t<\/h2>\n\t<p>De nouveaux investissements qui affluent dans la r\u00e9gion par l&rsquo;entremise de l&rsquo;APECA, d&rsquo;\u00c9nergie NB et d&rsquo;investisseurs priv\u00e9s lui donnent toutefois un \u00e9lan prometteur. \u00c0 titre d&rsquo;exemple, l&rsquo;Administration portuaire de Belledune s&rsquo;est donn\u00e9 pour mission de devenir un p\u00f4le \u00e9nerg\u00e9tique majeur, tant pour le transport que pour l&rsquo;\u00e9nergie verte.<\/p>\n<p>Cependant, la croissance soul\u00e8ve des questions quant aux r\u00e9percussions qu&rsquo;une empreinte industrielle accrue pourrait avoir sur l&rsquo;environnement.<\/p>\n<p>Le Dr Alain Patoine, biologiste au campus de Shippagan de l&rsquo;Universit\u00e9 de Moncton, d\u00e9couvre des indices sur les impacts environnementaux dans les s\u00e9diments des rivi\u00e8res et des estuaires.<\/p>\n<p><strong>La pollution n&rsquo;est pas toujours \u00e9vidente<\/strong><\/p>\n<p>Shippagan est une ville aux ambitions industrielles. En 2023, le campus universitaire y a \u00e9tabli un p\u00f4le en robotique et en intelligence artificielle afin de moderniser l&rsquo;industrie locale de la transformation des produits de la mer.<\/p>\n<p>Quels effets un tel d\u00e9veloppement industriel pourrait-il avoir sur la qualit\u00e9 de l&rsquo;eau dans la r\u00e9gion environnante?<\/p>\n<p>La r\u00e9ponse, selon le Dr Patoine, d\u00e9pend d&rsquo;une multitude de facteurs, dont plusieurs sont invisibles \u00e0 l&rsquo;\u0153il nu.<\/p>\n<p>Lorsqu&rsquo;on pense \u00e0 la pollution industrielle, on imagine souvent des \u00e9l\u00e9ments visibles, comme la fum\u00e9e des usines ou des eaux us\u00e9es se d\u00e9versant dans un lac. Pourtant, bien d&rsquo;autres facteurs ne peuvent \u00eatre observ\u00e9s qu&rsquo;au microscope. Les plans d&rsquo;eau abritent une incroyable diversit\u00e9 d&rsquo;organismes, et les plus minuscules d&rsquo;entre eux peuvent influencer la qualit\u00e9 de l&rsquo;eau.<\/p>\n<p><strong>Les le\u00e7ons tir\u00e9es des archives d&rsquo;algues<\/strong><\/p>\n<p>Les travaux r\u00e9cents du Dr Patoine, financ\u00e9s en partie par RechercheNB, portent sur des souches d&rsquo;algues qui ne peuvent \u00eatre d\u00e9tect\u00e9es qu&rsquo;\u00e0 l&rsquo;aide d&rsquo;\u00e9quipements sp\u00e9cialis\u00e9s.<\/p>\n<p>Le Dr Patoine qualifie les algues \u00ab d&rsquo;acteurs cl\u00e9s \u00bb des syst\u00e8mes aquatiques, puisqu&rsquo;elles se situent \u00e0 la base de la cha\u00eene alimentaire et servent d&rsquo;indicateurs de la qualit\u00e9 de l&rsquo;eau. Certaines vari\u00e9t\u00e9s d&rsquo;algues prosp\u00e8rent lorsque la qualit\u00e9 de l&rsquo;eau est excellente, tandis que d&rsquo;autres peuvent rendre l&rsquo;eau toxique.<\/p>\n<p>\u00c0 l&rsquo;image des pal\u00e9ontologues qui lisent l&rsquo;histoire \u00e0 travers les fossiles, le Dr Patoine et son \u00e9quipe pr\u00e9l\u00e8vent des \u00e9chantillons de s\u00e9diments dans diff\u00e9rentes couches au fond de la rivi\u00e8re Pokemouche et de son estuaire. Chaque couche contient des traces d&rsquo;algues correspondant \u00e0 une p\u00e9riode donn\u00e9e.<\/p>\n<p>De retour au laboratoire, l&rsquo;\u00e9quipe analyse les \u00e9chantillons afin d&rsquo;identifier les types d&rsquo;algues pr\u00e9sents et d&rsquo;\u00e9tablir une chronologie de la qualit\u00e9 de l&rsquo;eau s&rsquo;\u00e9chelonnant sur plusieurs d\u00e9cennies. En comparant ces donn\u00e9es avec des informations sur la croissance d\u00e9mographique, le d\u00e9veloppement des infrastructures et l&rsquo;activit\u00e9 industrielle, les chercheurs peuvent \u00e9tablir des liens entre les changements apport\u00e9s au territoire par l&rsquo;\u00eatre humain et ceux observ\u00e9s dans l&rsquo;eau.<\/p>\n<p><strong>La qualit\u00e9 de l&rsquo;eau, c&rsquo;est aussi la qualit\u00e9 de l&rsquo;\u00e9conomie<\/strong><\/p>\n<p>Les recherches du Dr Patoine portent sur des organismes microscopiques, mais leurs r\u00e9percussions pour le Nouveau-Brunswick sont consid\u00e9rables.<\/p>\n<p>\u00ab Nous d\u00e9pendons tous des ressources en eau, explique le Dr Patoine. Les questions que je pose sur les facteurs favorisant le d\u00e9veloppement d&rsquo;algues toxiques ont des r\u00e9percussions tr\u00e8s concr\u00e8tes et directes sur le tourisme r\u00e9cr\u00e9atif, la p\u00eache sportive et la p\u00eache commerciale. \u00bb<\/p>\n<p>Alors que le nord du Nouveau-Brunswick poursuit son d\u00e9veloppement \u00e9conomique, ces questions deviendront encore plus pertinentes, non seulement pour le tourisme et la p\u00eache, mais aussi pour d&rsquo;autres secteurs. En comprenant mieux les changements historiques de la qualit\u00e9 de l&rsquo;eau, nous obtiendrons de nouvelles informations pour aider \u00e0 \u00e9quilibrer la sant\u00e9 de l&rsquo;\u00e9conomie avec celle de l&rsquo;environnement qui la soutient.<\/p>\n<h2>\n\t\t\tSHARE:\t<\/h2>\n<h2>\n\t\t\tMore like this:\t<\/h2>\n\n","protected":false},"featured_media":5037,"parent":0,"template":"","meta":{"_acf_changed":false},"impact-category":[94],"sector":[99],"class_list":["post-5040","impact-stories","type-impact-stories","status-publish","has-post-thumbnail","hentry","impact-category-stories-fr","sector-oceans-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Lire les lits de rivi\u00e8res pour d\u00e9tecter les signes de pollution de l\u2019eau dans le nord du Nouveau-Brunswick - ResearchNB<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/researchnb.ca\/fr\/impact-stories\/alain-patoine\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lire les lits de rivi\u00e8res pour d\u00e9tecter les signes de pollution de l\u2019eau dans le nord du Nouveau-Brunswick - ResearchNB\" \/>\n<meta property=\"og:description\" content=\"Ce n&rsquo;est un secret pour personne : le nord du Nouveau-Brunswick accuse un retard par rapport au reste de la province en mati\u00e8re de croissance \u00e9conomique. 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