{"id":293,"date":"2018-05-08T14:11:56","date_gmt":"2018-05-08T21:11:56","guid":{"rendered":"https:\/\/sites.sandiego.edu\/sdpollutiontrackers\/?p=293"},"modified":"2018-05-08T14:11:56","modified_gmt":"2018-05-08T21:11:56","slug":"seaweed-a-solution-to-ocean-acidification","status":"publish","type":"post","link":"https:\/\/sites.sandiego.edu\/sdpollutiontrackers\/2018\/05\/08\/seaweed-a-solution-to-ocean-acidification\/","title":{"rendered":"Seaweed- a Solution to Ocean Acidification"},"content":{"rendered":"

The problem: Ocean Acidification<\/strong><\/p>\n

Ocean acidification is caused by an increase in carbon dioxide concentration in the ocean. The main source of CO2<\/sub> in the atmosphere is due to carbon emissions and deforestation. The ocean water absorbs around 25% of CO2<\/sub> found in the atmosphere. As picture 1 illustrates, the absorbed CO2<\/sub> reacts and produces carbonic acid. The carbonic acid then causes a decrease in carbonate ions and an increase in H+<\/sup> ions. Carbonate ions are used by many marine species to build their shells and skeletons, hence by decreasing the amount of carbonate ions available many shellfish and marine life are not able to deposit as much calcium in their shells; shellfish and marine hurt from the decrease in carbonate ions. An increase in H+ <\/sup>ions leads to lowering the ocean\u2019s pH or causing ocean acidification.<\/p>\n

Picture1: C\"\"a<\/span>rbon dioxide absorption into the ocean<\/span><\/p>\n

Source:\u00a0http:\/\/marinesciencetoday.com\/2014\/03\/12\/ocean-acidification-the-devastating-truth\/<\/p>\n

 <\/p>\n

The solution: Seaweed – Kelp<\/strong><\/p>\n

Bren Smith, an \u201cocean farmer\u201d believes that kelp farming is the future. He called seaweed, more specifically, kelp, the trees of the ocean. This is because like most plants on land pull CO2<\/sub> from the atmosphere, seaweeds and kelp pull out CO2<\/sub> out of the water. The seaweed then uses the CO2<\/sub> to ease photosynthesis, as pictured in picture 2, and releases O2<\/sub>.<\/p>\n

\"\"<\/p>\n

Picture 2: Seaweed, CO2<\/sub> absorption<\/p>\n

Source:\u00a0http:\/\/ngojwg.org\/seaforest-e.html<\/p>\n

Bren Smith and his group plant kelp in rows in certain lots of the ocean. They use yellow buoys to measure how water changes as it flows through the kelp field and seeing if baby shellfish grown with the kelp do better at building their shells. However, results will not be available for another year. But he and his team are hopeful that they will see positive results from the effects of the kelp, such as stronger shells on shellfish and less acidic water. However, kelp\/seaweed is not the only thing Bren Smith and his group farm. They use the same ocean surface area but he stacks his produce. As shown in picture 3, the Smith group farms scallops, mussels, oysters, clams and seaweed.<\/p>\n

Besides the positive environmental impact of seaweed in the ocean, seaweed can also be a source of food, since it is rich and calcium, fiber, iron, and anti-oxidants.<\/p>\n

So seaweed could be new super food of the future.<\/p>\n

\"\"<\/p>\n

Picture 3: More than just Seaweed farming<\/p>\n

Source:\u00a0https:\/\/www.thimbleislandoceanfarm.com\/<\/p>\n

 <\/p>\n

Article:\u00a0https:\/\/www.cbsnews.com\/news\/seaweed-farming-and-its-surprising-benefits\/<\/p>\n","protected":false},"excerpt":{"rendered":"

The problem: Ocean Acidification Ocean acidification is caused by an increase in carbon dioxide concentration in the ocean. The main source of CO2 in the atmosphere is due to carbon emissions and deforestation. The ocean water absorbs around 25% of Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":689,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-293","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nSeaweed- a Solution to Ocean Acidification - San Diego Pollution Trackers<\/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:\/\/sites.sandiego.edu\/sdpollutiontrackers\/2018\/05\/08\/seaweed-a-solution-to-ocean-acidification\/\" class=\"yoast-seo-meta-tag\" \/>\n<meta property=\"og:locale\" content=\"en_US\" class=\"yoast-seo-meta-tag\" \/>\n<meta property=\"og:type\" content=\"article\" class=\"yoast-seo-meta-tag\" \/>\n<meta property=\"og:title\" content=\"Seaweed- a Solution to Ocean Acidification - San Diego Pollution Trackers\" class=\"yoast-seo-meta-tag\" \/>\n<meta property=\"og:description\" content=\"The problem: Ocean Acidification Ocean acidification is caused by an increase in carbon dioxide concentration in the ocean. 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