{"id":355,"date":"2015-09-21T15:51:15","date_gmt":"2015-09-21T14:51:15","guid":{"rendered":"https:\/\/saveourseas.com\/sosf-darros-research-centre\/floating-menaces\/"},"modified":"2015-09-21T15:51:15","modified_gmt":"2015-09-21T14:51:15","slug":"floating-menaces","status":"publish","type":"post","link":"https:\/\/saveourseas.com\/sosf-darros-research-centre\/floating-menaces\/","title":{"rendered":"Floating menaces"},"content":{"rendered":"<div class=\"the-content\"><p>A fish aggregation device, or FAD as it is commonly called, is generally a very simple, low-cost structure that increases fishing efficiency. It typically comprises a bamboo raft fitted with buoys for flotation (Figure 1) and has long ropes and netting hanging beneath it (Figure 2). A floating location beacon is also attached to the raft to enable its parent fishing vessel to locate it with its tracking technology.<br \/>\nFloating structures on the ocean\u2019s surface attract fish \u2013 both juvenile and adult \u2013 in great numbers and diversity. Why they do so is to a large extent poorly understood, although there are a number of theories for the fishes\u2019 aggregating behaviour. The most common suggestion is that FADs afford the fish protection from predators, either directly through the shelter they provide or indirectly through some other interference mechanism, such as camouflage or mimicry, that affects the predator\u2019s ability to capture prey.<\/p>\n<div id=\"attachment_11675\" class=\"wp-caption alignleft\" style=\"width: 3000px\"><a href=\"https:\/\/saveourseas.com\/wp-content\/uploads\/2015\/09\/Figure-1.jpg\" class=\"fresco\" data-fresco-caption=\"\" data-fresco-options=\"thumbnails:false\" ><img decoding=\"async\" class=\"size-full wp-image-11675\" src=\"https:\/\/saveourseas.com\/wp-content\/uploads\/2015\/09\/Figure-1.jpg\" alt=\"BULLOCK kerryn - menace FADs\" width=\"3000\" height=\"2000\" \/><\/a><p class=\"wp-caption-text\">Floating structure of the FAD.<\/p><\/div>\n<div id=\"attachment_11676\" class=\"wp-caption alignleft\" style=\"width: 2000px\"><a href=\"https:\/\/saveourseas.com\/wp-content\/uploads\/2015\/09\/Figure-2.jpg\" class=\"fresco\" data-fresco-caption=\"\" data-fresco-options=\"thumbnails:false\" ><img decoding=\"async\" class=\"size-full wp-image-11676\" src=\"https:\/\/saveourseas.com\/wp-content\/uploads\/2015\/09\/Figure-2.jpg\" alt=\"BULLOCK kerryn - FAD's menace\" width=\"2000\" height=\"3000\" \/><\/a><p class=\"wp-caption-text\">Submerged volume of the FAD.<\/p><\/div>\n<p>FADs can either be anchored or drifting. More and more often, drifting FADs are being found snagged in the coral around D\u2019Arros Island and they even get washed into the neighbouring St Joseph Lagoon. So recently the D\u2019Arros Research Centre team set aside time to remove all the FADs stuck in the deep lagoon. Although they can impact negatively on the ecosystem in several ways, such as by catching juvenile fish and vulnerable non-target species (Figure 3), our more immediate concern is that turtles, manta rays and other inhabitants of the lagoon can become entangled in them. (Figure 4)<\/p>\n<div id=\"attachment_11677\" class=\"wp-caption alignleft\" style=\"width: 3000px\"><a href=\"https:\/\/saveourseas.com\/wp-content\/uploads\/2015\/09\/Figure-31.jpg\" class=\"fresco\" data-fresco-caption=\"\" data-fresco-options=\"thumbnails:false\" ><img decoding=\"async\" class=\"size-full wp-image-11677\" src=\"https:\/\/saveourseas.com\/wp-content\/uploads\/2015\/09\/Figure-31.jpg\" alt=\"BULLOCK kerryn - FAD's blog\" width=\"3000\" height=\"2000\" \/><\/a><p class=\"wp-caption-text\">Lagoon inhabitants that can become tangled in the nets and ropes suspended under the FAD.<\/p><\/div>\n<div id=\"attachment_11678\" class=\"wp-caption alignleft\" style=\"width: 1500px\"><a href=\"https:\/\/saveourseas.com\/wp-content\/uploads\/2015\/09\/Figure-4.jpg\" class=\"fresco\" data-fresco-caption=\"\" data-fresco-options=\"thumbnails:false\" ><img decoding=\"async\" class=\"size-full wp-image-11678\" src=\"https:\/\/saveourseas.com\/wp-content\/uploads\/2015\/09\/Figure-4.jpg\" alt=\"BULLOCK kerryn - floating menaces FADs\" width=\"1500\" height=\"2000\" \/><\/a><p class=\"wp-caption-text\">Recently a hawksbill turtle <em>Eretmochelys imbricata<\/em> had to be rescued after being found entangled in a FAD. Luckily it had not been trapped for very long, as it had no serious visible injures.<\/p><\/div>\n<p>Working as carefully as possible, the team used knives to cut the FADs from the delicate coral. (Figure 5) The structures were then hauled onto <em>Minion<\/em> and transported slowly to the camp on St Joseph Atoll to be dismantled. The location devices make comfortable stools and foot rests around the campfire, while extra ropes and buoys are always useful around camp.<\/p>\n<div id=\"attachment_11679\" class=\"wp-caption alignleft\" style=\"width: 3000px\"><a href=\"https:\/\/saveourseas.com\/wp-content\/uploads\/2015\/09\/Figure-5.jpg\" class=\"fresco\" data-fresco-caption=\"\" data-fresco-options=\"thumbnails:false\" ><img decoding=\"async\" class=\"size-full wp-image-11679\" src=\"https:\/\/saveourseas.com\/wp-content\/uploads\/2015\/09\/Figure-5.jpg\" alt=\"BULLOCK kerryn - Fish Aggravating Devices\" width=\"3000\" height=\"2000\" \/><\/a><p class=\"wp-caption-text\">Cutting the FADs away from the coral so that they can be permanently removed from the lagoon.<\/p><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>A fish aggregation device, or FAD as it is commonly called, is generally a very simple, low-cost structure that increases fishing efficiency. It typically comprises a bamboo raft fitted with buoys for flotation (Figure 1) and has long ropes and netting hanging beneath it (Figure 2). A floating location beacon is also attached to the [&hellip;]<\/p>\n","protected":false},"author":56,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"tags":[],"class_list":["post-355","post","type-post","status-publish","format-standard","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Floating menaces - SOSF D&#039;Arros Research Centre<\/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:\/\/saveourseas.com\/sosf-darros-research-centre\/floating-menaces\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Floating menaces\" \/>\n<meta property=\"og:description\" content=\"A fish aggregation device, or FAD as it is commonly called, is generally a very simple, low-cost structure that increases fishing efficiency. 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A floating location beacon is also attached to the [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/saveourseas.com\/sosf-darros-research-centre\/floating-menaces\/\" \/>\n<meta property=\"og:site_name\" content=\"SOSF D&#039;Arros Research Centre\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/saveourseasngo\/\" \/>\n<meta property=\"article:published_time\" content=\"2015-09-21T14:51:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/saveourseas.com\/wp-content\/uploads\/2015\/09\/Figure-1.jpg\" \/>\n<meta name=\"author\" content=\"Save Our Seas Foundation\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@saveourseas\" \/>\n<meta name=\"twitter:site\" content=\"@saveourseas\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Save Our Seas Foundation\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated 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:\\\/\\\/saveourseas.com\\\/sosf-darros-research-centre\\\/floating-menaces\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/saveourseas.com\\\/sosf-darros-research-centre\\\/floating-menaces\\\/\"},\"author\":{\"name\":\"Save Our Seas Foundation\",\"@id\":\"https:\\\/\\\/saveourseas.com\\\/sosf-darros-research-centre\\\/#\\\/schema\\\/person\\\/eb5923308878bb6a3a0db1eff27c8879\"},\"headline\":\"Floating menaces\",\"datePublished\":\"2015-09-21T14:51:15+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/saveourseas.com\\\/sosf-darros-research-centre\\\/floating-menaces\\\/\"},\"wordCount\":420,\"publisher\":{\"@id\":\"https:\\\/\\\/saveourseas.com\\\/sosf-darros-research-centre\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/saveourseas.com\\\/sosf-darros-research-centre\\\/floating-menaces\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/saveourseas.com\\\/wp-content\\\/uploads\\\/2015\\\/09\\\/Figure-1.jpg\",\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/saveourseas.com\\\/sosf-darros-research-centre\\\/floating-menaces\\\/\",\"url\":\"https:\\\/\\\/saveourseas.com\\\/sosf-darros-research-centre\\\/floating-menaces\\\/\",\"name\":\"Floating menaces - SOSF D&#039;Arros Research Centre\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/saveourseas.com\\\/sosf-darros-research-centre\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/saveourseas.com\\\/sosf-darros-research-centre\\\/floating-menaces\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/saveourseas.com\\\/sosf-darros-research-centre\\\/floating-menaces\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/saveourseas.com\\\/wp-content\\\/uploads\\\/2015\\\/09\\\/Figure-1.jpg\",\"datePublished\":\"2015-09-21T14:51:15+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/saveourseas.com\\\/sosf-darros-research-centre\\\/floating-menaces\\\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/saveourseas.com\\\/sosf-darros-research-centre\\\/floating-menaces\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\\\/\\\/saveourseas.com\\\/sosf-darros-research-centre\\\/floating-menaces\\\/#primaryimage\",\"url\":\"https:\\\/\\\/saveourseas.com\\\/wp-content\\\/uploads\\\/2015\\\/09\\\/Figure-1.jpg\",\"contentUrl\":\"https:\\\/\\\/saveourseas.com\\\/wp-content\\\/uploads\\\/2015\\\/09\\\/Figure-1.jpg\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/saveourseas.com\\\/sosf-darros-research-centre\\\/floating-menaces\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/saveourseas.com\\\/sosf-darros-research-centre\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Floating menaces\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/saveourseas.com\\\/sosf-darros-research-centre\\\/#website\",\"url\":\"https:\\\/\\\/saveourseas.com\\\/sosf-darros-research-centre\\\/\",\"name\":\"SOSF D&#039;Arros Research Centre\",\"description\":\"D\u2019Arros Island &amp; 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