{"id":31855,"date":"2014-03-24T23:30:16","date_gmt":"2014-03-24T22:30:16","guid":{"rendered":"https:\/\/oneearth-oneocean.com\/2014\/03\/24\/invasive-plastic-hitchhikers\/"},"modified":"2022-12-20T22:37:02","modified_gmt":"2022-12-20T21:37:02","slug":"invasive-plastic-hitchhikers","status":"publish","type":"post","link":"https:\/\/oneearth-oneocean.com\/en\/north-pacific-en\/2014\/invasive-plastic-hitchhikers\/","title":{"rendered":"Invasive Plastic Hitchhikers"},"content":{"rendered":"<pre><a href=\"http:\/\/www.sea.edu\/plastics\/journal\/october_15_day_13\" target=\"_blank\" rel=\"noopener\">http:\/\/www.sea.edu\/plastics\/journal\/october_15_day_13<\/a>\n\nOctober 15: Day 13\nPosted by Jonathan Waterman\n\nInvasive Plastic Hitchhikers\n\nWe\u2019re ten days and 690 nautical miles out from the nearest land in \nCalifornia. In that time, we\u2019ve conducted 21 net deployments to collect \nand analyze plastic. We\u2019ve counted a total of 3,323 pieces of plastic, \nmost of it in the North Pacific subtropical gyre. Here in this gigantic \neddy-like \u201ctrap,\u201d the concentration of floating plastic has increased \nexponentially.\n\nWe\u2019re finding grain-size and quarter-size pieces of plastic in the net \ncod ends. Occasionally nets have counts as low as ten\u2014versus counts of \n1,372 pieces. Why? Because of the gyre\u2019s patchiness, some places are \nloaded with plastic and others are not. On calm days, often times the \nplastic can be seen floating by the ship, other times the sea looks \nclear and free of plastic until you filter it and discover plastic \npieces that are invisible to the human eye.\n\nOne project (among many onboard) is to count microscopic plastics that \naren\u2019t normally tallied with the larger and more visible pieces in the \nneuston net due to the fact that they pass out of the mesh net as it\u2019s \nbeing towed. To measure these, a liter of seawater is dyed pink and \nvacuumed through a micrometer-sized filter mesh. The dye doesn\u2019t stick \nto plastic, therefore, the pieces can be seen clear of other microbial \nlife and counted through a microscope. Over the last week, microscopic \nplastic counts have ranged from 56 to 224 pieces per liter of seawat<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>http:\/\/www.sea.edu\/plastics\/journal\/october_15_day_13 October 15: Day 13 Posted by Jonathan Waterman Invasive Plastic Hitchhikers We\u2019re ten days and 690 nautical miles out from the nearest land in California. In that time, we\u2019ve conducted 21 net deployments to collect and analyze plastic. We\u2019ve counted a total of 3,323 pieces of plastic, most of it in the North Pacific subtropical gyre. Here in this gigantic eddy-like \u201ctrap,\u201d the concentration of floating plastic has increased exponentially. We\u2019re finding grain-size and quarter-size pieces of plastic in the net cod ends. Occasionally nets have counts as low as ten\u2014versus counts of 1,372 pieces. Why? Because of the gyre\u2019s patchiness, some places are loaded with plastic and others are not. On calm days, often times the plastic can be seen floating by the ship, other times the sea looks clear and free of plastic until you filter it and discover plastic pieces that are invisible to the human eye. One project (among many onboard) is to count microscopic plastics that aren\u2019t normally tallied with the larger and more visible pieces in the neuston net due to the fact that they pass out of the mesh net as it\u2019s being towed. To measure these, a liter of seawater is dyed pink and vacuumed through a micrometer-sized filter mesh. The dye doesn\u2019t stick to plastic, therefore, the pieces can be seen clear of other microbial life and counted through a microscope. Over the last week, microscopic plastic counts have ranged from 56 to 224 pieces per liter of seawat<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3649,3488,3444],"tags":[1585,1445],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Invasive Plastic Hitchhikers - One Earth - One Ocean e. V.<\/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:\/\/oneearth-oneocean.com\/en\/north-pacific-en\/2014\/invasive-plastic-hitchhikers\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Invasive Plastic Hitchhikers - One Earth - One Ocean e. V.\" \/>\n<meta property=\"og:description\" content=\"http:\/\/www.sea.edu\/plastics\/journal\/october_15_day_13 October 15: Day 13 Posted by Jonathan Waterman Invasive Plastic Hitchhikers We\u2019re ten days and 690 nautical miles out from the nearest land in California. In that time, we\u2019ve conducted 21 net deployments to collect and analyze plastic. We\u2019ve counted a total of 3,323 pieces of plastic, most of it in the North Pacific subtropical gyre. Here in this gigantic eddy-like \u201ctrap,\u201d the concentration of floating plastic has increased exponentially. We\u2019re finding grain-size and quarter-size pieces of plastic in the net cod ends. Occasionally nets have counts as low as ten\u2014versus counts of 1,372 pieces. Why? Because of the gyre\u2019s patchiness, some places are loaded with plastic and others are not. On calm days, often times the plastic can be seen floating by the ship, other times the sea looks clear and free of plastic until you filter it and discover plastic pieces that are invisible to the human eye. One project (among many onboard) is to count microscopic plastics that aren\u2019t normally tallied with the larger and more visible pieces in the neuston net due to the fact that they pass out of the mesh net as it\u2019s being towed. To measure these, a liter of seawater is dyed pink and vacuumed through a micrometer-sized filter mesh. The dye doesn\u2019t stick to plastic, therefore, the pieces can be seen clear of other microbial life and counted through a microscope. Over the last week, microscopic plastic counts have ranged from 56 to 224 pieces per liter of seawat\" \/>\n<meta property=\"og:url\" content=\"https:\/\/oneearth-oneocean.com\/en\/north-pacific-en\/2014\/invasive-plastic-hitchhikers\/\" \/>\n<meta property=\"og:site_name\" content=\"One Earth - One Ocean e. 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