{"id":6318,"date":"2016-10-14T10:00:47","date_gmt":"2016-10-14T09:00:47","guid":{"rendered":"https:\/\/blogs.gov.scot\/marine-scotland\/?p=6318"},"modified":"2016-10-13T15:02:37","modified_gmt":"2016-10-13T14:02:37","slug":"new-topic-sheet-age-estimation-in-fish","status":"publish","type":"post","link":"https:\/\/blogs.gov.scot\/marine-scotland\/2016\/10\/14\/new-topic-sheet-age-estimation-in-fish\/","title":{"rendered":"New topic sheet &#8211; age estimation in fish"},"content":{"rendered":"<p align=\"LEFT\"><a href=\"https:\/\/blogs.gov.scot\/marine-scotland\/wp-content\/uploads\/sites\/23\/2016\/10\/Image-of-an-otolith-section-from-a-6-year-old-haddock.jpg\"><img decoding=\"async\" class=\"alignright size-medium wp-image-6320 lazyload\" data-src=\"https:\/\/blogs.gov.scot\/marine-scotland\/wp-content\/uploads\/sites\/23\/2016\/10\/Image-of-an-otolith-section-from-a-6-year-old-haddock-300x227.jpg\" alt=\"Otilith from a 6 year old haddock\" width=\"300\" height=\"227\" data-srcset=\"https:\/\/blogs.gov.scot\/marine-scotland\/wp-content\/uploads\/sites\/23\/2016\/10\/Image-of-an-otolith-section-from-a-6-year-old-haddock-300x227.jpg 300w, https:\/\/blogs.gov.scot\/marine-scotland\/wp-content\/uploads\/sites\/23\/2016\/10\/Image-of-an-otolith-section-from-a-6-year-old-haddock.jpg 603w\" data-sizes=\"(max-width: 300px) 100vw, 300px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300\/227;\" \/><\/a>How can you tell how old a fish is? Any why bother?<\/p>\n<p align=\"LEFT\">Age estimation is a fundamental part of studies of the life history of fish. In commercial marine fisheries, it is a key area in the monitoring, assessment and management of fish stocks because age determined parameters (such as age profiles, age at first maturity, spawning frequency, recruitment success, and growth and mortality) underlie the population dynamics used to perform fish stock assessments.<\/p>\n<p>We&#8217;ve just published a <a href=\"http:\/\/www.gov.scot\/Topics\/marine\/Publications\/TopicSheets\/tslist\/otilith\">new topic sheet<\/a> that tells you more. Have a read!<\/p>\n<p><strong>Further Information<\/strong><\/p>\n<ul>\n<li><a class=\"id--333780\" href=\"http:\/\/www.gov.scot\/Topics\/marine\/Publications\/TopicSheets\/tslist\/otilith\">Age estimation in fish topic sheet<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>How can you tell how old a fish is? Any why bother? Age estimation is a fundamental part of studies of the life history of fish. In commercial marine fisheries, it is a key area in the monitoring, assessment and management of fish stocks because age determined parameters (such as age profiles, age at first&#8230;<\/p>\n","protected":false},"author":115,"featured_media":6322,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,15],"tags":[],"class_list":["post-6318","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fisheries","category-mss"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>New topic sheet - age estimation in fish - Marine<\/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:\/\/blogs.gov.scot\/marine-scotland\/2016\/10\/14\/new-topic-sheet-age-estimation-in-fish\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"New topic sheet - age estimation in fish - Marine\" \/>\n<meta property=\"og:description\" content=\"How can you tell how old a fish is? Any why bother? Age estimation is a fundamental part of studies of the life history of fish. In commercial marine fisheries, it is a key area in the monitoring, assessment and management of fish stocks because age determined parameters (such as age profiles, age at first...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.gov.scot\/marine-scotland\/2016\/10\/14\/new-topic-sheet-age-estimation-in-fish\/\" \/>\n<meta property=\"og:site_name\" content=\"Marine\" \/>\n<meta property=\"article:published_time\" content=\"2016-10-14T09:00:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blogs.gov.scot\/marine-scotland\/wp-content\/uploads\/sites\/23\/2016\/10\/Image-of-an-otolith-section-from-a-6-year-old-haddock-banner.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"802\" \/>\n\t<meta property=\"og:image:height\" content=\"413\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Marine Scotland Communications\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Marine Scotland Communications\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/blogs.gov.scot\/marine-scotland\/2016\/10\/14\/new-topic-sheet-age-estimation-in-fish\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/blogs.gov.scot\/marine-scotland\/2016\/10\/14\/new-topic-sheet-age-estimation-in-fish\/\"},\"author\":{\"name\":\"Marine Scotland Communications\",\"@id\":\"https:\/\/blogs.gov.scot\/marine-scotland\/#\/schema\/person\/4421233cd09c62fea38ad8ecc3f75651\"},\"headline\":\"New topic sheet &#8211; 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