{"id":4442,"date":"2025-10-22T14:10:27","date_gmt":"2025-10-22T14:10:27","guid":{"rendered":"https:\/\/improveaquaticlife.se\/2025\/10\/22\/freshwater-pearl-mussel-rescued-in-river-eman-new-feature\/"},"modified":"2025-10-22T14:15:18","modified_gmt":"2025-10-22T14:15:18","slug":"freshwater-pearl-mussel-rescued-in-river-eman-new-feature","status":"publish","type":"post","link":"https:\/\/improveaquaticlife.se\/en\/2025\/10\/22\/freshwater-pearl-mussel-rescued-in-river-eman-new-feature\/","title":{"rendered":"Freshwater pearl mussel rescued in River Em\u00e5n &#8211; new feature"},"content":{"rendered":"<p><strong>In a new feature, we are taken to the secret underwater world of the Freshwater pearl mussel, as biologists move the mussels for an upcoming restoration in a tributary of the River Em\u00e5n.<\/strong><\/p>\n<p>The River Em\u00e5n is one of Sweden&#8217;s most species-rich rivers and an important habitat for threatened species such as the Freshwater pearl mussel. Populations have declined sharply due to migration barriers, deteriorating water quality and habitat loss. However, important work to improve the status of the species is ongoing.  <\/p>\n<p><iframe title=\"#2 Em\u00e5n\" src=\"https:\/\/player.vimeo.com\/video\/1129443705?dnt=1&amp;app_id=122963\" width=\"1218\" height=\"685\" frameborder=\"0\" allow=\"autoplay; fullscreen; picture-in-picture; clipboard-write; encrypted-media; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\"><\/iframe><\/p>\n<p><small>Watch the news report from the Silver River as Linn\u00e9a Carlzon and Mathias Ibbe move the stream&#8217;s Freshwater pearl mussels to the evacuation site upstream.<\/small><\/p>\n<p>&nbsp;<\/p>\n<blockquote><p>With binoculars and sharp eyes, biologists methodically and patiently search for Freshwater pearl mussels<\/p><\/blockquote>\n<p><strong>Major investment in restoration<br \/>\n<\/strong>Through the Improve Aquatic LIFE project, extensive restoration work is being carried out to strengthen mussel and fish populations. The work includes removing migration barriers, improving hydrology and restoring wetlands.<br \/>\nSeveral stretches of the River Em\u00e5n are part of Natura 2000 and protect important habitats for species such as salmon, otter and Freshwater pearl mussel. The aim is to restore ecosystems and secure these unique species for the future.  <\/p>\n<div id=\"attachment_4400\" style=\"width: 660px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-4400\" class=\"size-medium wp-image-4399\" src=\"https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_sep2025_Nicka-2587_webb-650x433.jpg\" alt=\"\" width=\"650\" height=\"433\" srcset=\"https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_sep2025_Nicka-2587_webb-650x433.jpg 650w, https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_sep2025_Nicka-2587_webb-1300x867.jpg 1300w, https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_sep2025_Nicka-2587_webb-325x217.jpg 325w, https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_sep2025_Nicka-2587_webb-300x200.jpg 300w, https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_sep2025_Nicka-2587_webb-500x333.jpg 500w, https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_sep2025_Nicka-2587_webb-750x500.jpg 750w, https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_sep2025_Nicka-2587_webb-1000x667.jpg 1000w, https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_sep2025_Nicka-2587_webb-1500x1000.jpg 1500w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><p id=\"caption-attachment-4400\" class=\"wp-caption-text\">Biologist Linn\u00e9a Carlzon is looking for Freshwater pearl mussels in the Silver River.<br \/>Photo: Nicka Hellenberg<\/p><\/div>\n<p><strong>Silver\u00e5n &#8211; a sanctuary for Freshwater pearl mussels<\/strong><br \/>\nIn the feature we are taken to Silver\u00e5n, one of River Em\u00e5n&#8217;s most important tributaries. This is where the endangered Freshwater pearl mussel lives. Linnea Carlzon and her colleague Mathias Ibbe from the County Administrative Board of \u00d6sterg\u00f6tland, move Freshwater pearl mussels for an upcoming restoration project.<br \/>\nWith binoculars and sharp eyes, the biologists methodically and patiently look for the Freshwater pearl mussels, which hide on the bottom.  <\/p>\n<div id=\"attachment_4398\" style=\"width: 660px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-4398\" class=\"size-medium wp-image-4397\" src=\"https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_sep2025_Nicka-2565_webb-650x433.jpg\" alt=\"\" width=\"650\" height=\"433\" srcset=\"https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_sep2025_Nicka-2565_webb-650x433.jpg 650w, https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_sep2025_Nicka-2565_webb-1300x867.jpg 1300w, https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_sep2025_Nicka-2565_webb-325x217.jpg 325w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><p id=\"caption-attachment-4398\" class=\"wp-caption-text\">With water binoculars and accuracy, the bilogists try to locate the Freshwater pearl mussels.<br \/>Photo: Nicka Hellenberg<\/p><\/div>\n<p>Freshwater <strong>pearl mussel facts<\/strong><br \/>\nFreshwater pearl mussels live in clean, oxygen-rich rivers with gravel and pebble bottoms and depend on host fish such as salmon and trout for reproduction. The larvae attach to the gills of the fish before developing into small mussels. <\/p>\n<div id=\"attachment_4406\" style=\"width: 660px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-4406\" class=\"size-medium wp-image-4405\" src=\"https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_flodparlmussla_sep2025_Nicka-2600_webb-650x433.jpg\" alt=\"\" width=\"650\" height=\"433\" srcset=\"https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_flodparlmussla_sep2025_Nicka-2600_webb-650x433.jpg 650w, https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_flodparlmussla_sep2025_Nicka-2600_webb-1300x867.jpg 1300w, https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_flodparlmussla_sep2025_Nicka-2600_webb-325x217.jpg 325w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><p id=\"caption-attachment-4406\" class=\"wp-caption-text\">Margaritifera margaritifera &#8211; Freshwater pearl mussel. The species can live up to 200 years and is one of the priority species within Improve Aquatic LIFE.<br \/>Photo: Nicka Hellenberg<\/p><\/div>\n<p>The species has disappeared from a third of its former habitats in Sweden and is threatened by factors such as siltation, acidification and migration barriers. It is protected under Swedish law and the European Union Habitats Directive. <\/p>\n<div id=\"attachment_4394\" style=\"width: 660px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-4394\" class=\"wp-image-4393 size-medium\" src=\"https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_flodparlmussla_sep2025_Nicka-2598-650x433.jpg\" alt=\"\" width=\"650\" height=\"433\" srcset=\"https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_flodparlmussla_sep2025_Nicka-2598-650x433.jpg 650w, https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_flodparlmussla_sep2025_Nicka-2598-1300x867.jpg 1300w, https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_flodparlmussla_sep2025_Nicka-2598-325x217.jpg 325w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><p id=\"caption-attachment-4394\" class=\"wp-caption-text\">The River Em\u00e5n is an important habitat for threatened species such as the Freshwater pearl mussel. Photo: Nicka Hellenberg<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>In a new feature, we are taken to the secret underwater world of the Freshwater pearl mussel, as biologists move the mussels for an upcoming restoration in a tributary of the River Em\u00e5n.<\/p>\n","protected":false},"author":2,"featured_media":4400,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36,66,33,105],"tags":[],"class_list":["post-4442","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-latest-news","category-river-em","category-river-pearl-mussel","category-silver-river"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Freshwater pearl mussel rescued in River Em\u00e5n - new feature - Improve Aquatic Life<\/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:\/\/improveaquaticlife.se\/en\/2025\/10\/22\/freshwater-pearl-mussel-rescued-in-river-eman-new-feature\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Freshwater pearl mussel rescued in River Em\u00e5n - new feature\" \/>\n<meta property=\"og:description\" content=\"In a new feature, we are taken to the secret underwater world of the Freshwater pearl mussel, as biologists move the mussels for an upcoming restoration in a tributary of the River Em\u00e5n.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/improveaquaticlife.se\/en\/2025\/10\/22\/freshwater-pearl-mussel-rescued-in-river-eman-new-feature\/\" \/>\n<meta property=\"og:site_name\" content=\"Improve Aquatic Life\" \/>\n<meta property=\"article:published_time\" content=\"2025-10-22T14:10:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-22T14:15:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/improveaquaticlife.se\/wp-content\/uploads\/2025\/10\/silveran_sep2025_Nicka-2587_webb.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1958\" \/>\n\t<meta property=\"og:image:height\" content=\"1224\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Nicka Hellenberg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nicka Hellenberg\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/improveaquaticlife.se\\\/en\\\/2025\\\/10\\\/22\\\/freshwater-pearl-mussel-rescued-in-river-eman-new-feature\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/improveaquaticlife.se\\\/en\\\/2025\\\/10\\\/22\\\/freshwater-pearl-mussel-rescued-in-river-eman-new-feature\\\/\"},\"author\":{\"name\":\"Nicka Hellenberg\",\"@id\":\"https:\\\/\\\/improveaquaticlife.se\\\/en\\\/#\\\/schema\\\/person\\\/e5d442f2b97a584babc10e82b6addc52\"},\"headline\":\"Freshwater pearl mussel rescued in River Em\u00e5n &#8211; 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