{"id":52697,"date":"2020-11-14T11:37:54","date_gmt":"2020-11-14T11:37:54","guid":{"rendered":"https:\/\/websitedesigns.com.au\/elankanew\/?p=52697"},"modified":"2020-11-14T11:37:54","modified_gmt":"2020-11-14T11:37:54","slug":"oceanic-sound-pollution-hazardous-threat-to-marine-mammals-by-kamanthi-wickramasinghe","status":"publish","type":"post","link":"https:\/\/websitedesigns.com.au\/elankanew\/oceanic-sound-pollution-hazardous-threat-to-marine-mammals-by-kamanthi-wickramasinghe\/","title":{"rendered":"Oceanic Sound Pollution: Hazardous Threat to Marine Mammals-by Kamanthi Wickramasinghe"},"content":{"rendered":"<h1 style=\"text-align: center;\"><span style=\"color: #800080;\">Oceanic Sound Pollution: Hazardous Threat to Marine Mammals-by Kamanthi Wickramasinghe<\/span><\/h1>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/T-jabL64UZE\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p><span style=\"font-size: 20px; color: #000000;\">Source:<\/span><span style=\"color: #000000;\"><a style=\"color: #000000; font-size: 20px;\" href=\"http:\/\/www.dailymirror.lk\/news-features\/Oceanic-Sound-Pollution-Hazardous-Threat-to-Marine-Mammals\/131-199484\" target=\"_blank\" rel=\"noopener noreferrer\">Dailymirror<\/a><\/span><\/p>\n<h3><span style=\"font-size: 20px; color: #ff0000;\"><strong>Whale stranding along Panadura Coast<\/strong><\/span><\/h3>\n<p><img loading=\"lazy\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-52698 aligncenter\" src=\"https:\/\/websitedesigns.com.au\/elankanew\/wp-content\/uploads\/2020\/11\/Whale-stranding-along-Panadura-Coast.jpg\" alt=\"\" width=\"600\" height=\"240\" \/><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\"><strong>SL Navy officer engaged in the rescue operation.<br \/>\nPic credits &#8211;\u00a0<\/strong><strong>SL Navy<\/strong><\/span><\/p>\n<blockquote>\n<ul>\n<li><span style=\"font-size: 20px; color: #000000;\"><strong>Wildlife Conservation Department says no abnormalities observed in post mortem report\u00a0<\/strong><\/span><\/li>\n<li><span style=\"font-size: 20px; color: #000000;\"><strong>High tech cargo vessels and use of\u00a0high-grade fuels should be encouraged<\/strong><\/span><\/li>\n<li><span style=\"font-size: 20px; color: #000000;\"><strong>High-frequency sonar used to\u00a0 detect oil deposits<\/strong><\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-52699 alignright\" src=\"https:\/\/websitedesigns.com.au\/elankanew\/wp-content\/uploads\/2020\/11\/Kamanthi.jpg\" alt=\"Kamanthi\" width=\"300\" height=\"115\" \/><\/p><\/blockquote>\n<p style=\"font-weight: 400; text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">On November 2, a little after daybreak, photos of a pod of short-finned pilot whales stranded along the Panadura coastal stretch started flooding social media newsfeeds.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">What followed was an approximately 18-hour operation to tackle the charismatic marine mammals, safely back into the waters. In no time, residents, volunteer groups, Sri Lanka Navy, emergency response teams and many other individuals joined hands in the rescue operation.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">While around 120 of them safely returned home, six pilot whales and one dolphin succumbed to injuries.\u00a0<\/span><br \/>\n<span style=\"font-size: 20px; color: #000000;\">However, the incident once again puts the spotlight on the need for robust marine insurance while raising concerns about the level of protection marine species have, given the geopolitical influences from surrounding nations.\u00a0\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\"><strong>No abnormalities observed<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">According to Dr Tharaka Prasad, Director \u2013 Wildlife Health at the Wildlife Conservation Department no abnormalities were observed in the post mortem report.\u00a0<\/span><br \/>\n<span style=\"font-size: 20px; color: #000000;\">\u201cExternal wounds have caused bleeding and there was less water space given the body pressure. The animals have grown to a height of 2.5 to three feet and when they turn to the left or right lateral position their blowholes are underwater.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">\u201cThis is similar to someone holding us underwater with our nose held tight.\u00a0<\/span><br \/>\n<span style=\"font-size: 20px; color: #000000;\">\u201cInitially it was the general public who got involved in the rescue operation and they released the whales to the water thinking that it\u2019s similar to a fish. They were of the impression that the whale should be underwater thereby adding pressure to the blowhole. There were instances when the whales deliberately tried to get some air but a few of them didn\u2019t succeed.\u201d<\/span><\/p>\n<p><img loading=\"lazy\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-52700 alignright\" src=\"https:\/\/websitedesigns.com.au\/elankanew\/wp-content\/uploads\/2020\/11\/Dr-Terney-Pradeep-Kumara.jpg\" alt=\"Dr Terney Pradeep Kumara\" width=\"400\" height=\"288\" \/><\/p>\n<p style=\"font-weight: 400; text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">According to his observations, Dr Terney Pradeep Kumara, marine biologist and General Manager at the Marine Environment Protection Authority, the reasons for this whale stranding could be manifold.<br \/>\n\u201cWhales use sound for echolocation and have a special organ called \u2018Melon\u2019 in their forehead which they use for echolocation. Therefore, one of the reasons could be that they were moving away from high-frequency sonar emitted from vessels which are an irritation to marine animals. <\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">\u201cPeople use high-frequency sonar to detect oil and gas deposits and it causes a huge pressure on these animals.\u201d<\/span><br \/>\n<span style=\"font-size: 20px; color: #000000;\">He said that so far there were no regulations in place to control oceanic noise pollution.<\/span><br \/>\n<span style=\"font-size: 20px; color: #000000;\">\u201cWe are in the process of amending the MEPA Act and one of the aspects is to include ocean noise pollution. But it will take time. There needs to be a discussion at the national level as well.\u201d<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\"><strong>Link to Malabar naval drills?<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">Several conservationists also speculated whether the annual \u2018Malabar War Games\u2019 had a possible link to the mass stranding of whales. According to The Economic Times, the Malabar Naval Drills being held by the Quadrilateral Security Dialogue (QSD, also known as the Quad) with India, US, Japan and the new entrant Australia, kicked off at the Bay of Bengal on Tuesday with frontline warships and submarines participating in complex exercises that include surface and anti-submarine warfare.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\">\n<span style=\"font-size: 20px; color: #000000;\">However, Sri Lanka Navy Spokesperson Captain Indika De Silva refuted claims.\u00a0<\/span><br \/>\n<span style=\"font-size: 20px; color: #000000;\">\u201cThere\u2019s no such evidence to link war games with the whale stranding incident. There is also no evidence to prove such militarization in our waters. Our territorial waters are within 12 nautical miles and any vessel can do an \u2018innocent passage\u2019. If they do something detrimental to national security or cause marine pollution then it\u2019s not an innocent passage. If warships are entering our waters we are given prior notice. But outside territorial waters, they can do anything. None of the navies in the world has total control to regulate their waters,\u201d he added.<\/span><\/p>\n<p><span style=\"font-size: 20px; color: #000000;\"><strong>Conservation status of pilot whales\u00a0<\/strong><\/span><\/p>\n<p><img loading=\"lazy\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-52701 aligncenter\" src=\"https:\/\/websitedesigns.com.au\/elankanew\/wp-content\/uploads\/2020\/11\/Conservation-status-of-pilot-whales-426x400.jpg\" alt=\"\" width=\"426\" height=\"400\" \/><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">According to the International Whaling Commission, pilot whales were so named because it was believed that each observed group was navigated by a pilot or leader. There are two types of pilot whales: Short-finned pilot whales (Globicephala macrorhynchus) and long-finned pilot whales (G. melas). Short-finned pilot whales have a mostly tropical and warm temperate distribution both nearshore and open-ocean waters whereas long-finned pilot whales inhabit colder waters.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\">\n<span style=\"font-size: 20px; color: #000000;\">Pilot whales are generally nomadic but a few resident populations have been identified and studied in different locations. Short-finned pilot whales are native and are known to be found in many countries including Sri Lanka. Like killer and sperm whales, pilot whales form a stable family and social groups of 20-100 individuals. Pilot whales are the species most often involved in mass strandings throughout their range giving rise to various theories about its causes.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">These theories include accidents in navigation that lead these animals to unexpectedly shallow waters, anomalies in the Earth\u2019s geomagnetic fields caused by solar storms and impaired navigation in diseased individuals that lead the rest of the group astray. However, the latter theory was discredited to a certain extent by genetic analysis of pilot whales which showed that whales that are stranded together are not often closely related.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\">\n<span style=\"font-size: 20px; color: #000000;\">Short-finned pilot whales are known to be the subject of bycatch in many fisheries around the world. As top predators pilot whales also suffer from the bioaccumulation of contaminants such as heavy metals and organochlorine contaminants in their tissues which may have long term impacts on their breathing reproduction.\u00a0<\/span><br \/>\n<span style=\"font-size: 20px; color: #000000;\">However, although long-finned and short-finned pilot whales are abundant in many parts of the world, there is some uncertainty about their taxonomy. Likely, populations grouped under one species now may represent multiple species or sub-species. As such, both species are designated as Data Deficient in the IUCN Red List of Threatened Species.\u00a0\u00a0<\/span><\/p>\n<p><img loading=\"lazy\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-52702 aligncenter\" src=\"https:\/\/websitedesigns.com.au\/elankanew\/wp-content\/uploads\/2020\/11\/Whale-stranding-along-Panadura-Coast-1-600x400.jpg\" alt=\"\" width=\"600\" height=\"400\" \/><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px;\"><strong>Marine experts claim that the reason for the whale stranding could be manifold, one of that being ocean noise pollution.\u00a0<\/strong><\/span><br \/>\n<span style=\"font-size: 20px;\"><strong>Pic credit &#8211; Lahiru Harshana<\/strong><\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Oceanic Sound Pollution: Hazardous Threat to Marine Mammals-by Kamanthi Wickramasinghe Source:Dailymirror Whale stranding along Panadura Coast SL Navy officer engaged in the rescue operation. Pic credits &#8211;\u00a0SL Navy Wildlife Conservation Department says no abnormalities observed in post mortem report\u00a0 High tech cargo vessels and use of\u00a0high-grade fuels should be encouraged High-frequency sonar used to\u00a0 detect [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":52698,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"aside","meta":{"footnotes":""},"categories":[20],"tags":[30672,30673,30674],"class_list":{"0":"post-52697","1":"post","2":"type-post","3":"status-publish","4":"format-aside","5":"has-post-thumbnail","7":"category-articles","8":"tag-dr-terney-pradeep-kumara","9":"tag-indika-de-silva","10":"tag-wildlife-conservation-department","11":"post_format-post-format-aside"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.7.1 (Yoast SEO v25.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Oceanic Sound Pollution: Hazardous Threat to Marine Mammals-by 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