{"id":50059952,"date":"2022-10-27T18:55:37","date_gmt":"2022-10-27T17:55:37","guid":{"rendered":"https:\/\/stage.dialogochino.net\/?p=59952"},"modified":"2024-04-12T14:40:08","modified_gmt":"2024-04-12T14:40:08","slug":"59952-explainer-blue-amazon-marine-deep-sea-mining-promise-perils","status":"publish","type":"explainer","link":"https:\/\/dialogue.earth\/en\/ocean\/59952-explainer-blue-amazon-marine-deep-sea-mining-promise-perils\/","title":{"rendered":"Explainer: The Blue Amazon, and the promise and perils of marine mining"},"content":{"rendered":"<p>You might not have heard of the \u201cBlue Amazon\u201d, but it\u2019s the part of the ocean owned by Brazil.<\/p>\n<p>Otherwise known as Brazil\u2019s exclusive economic zone (EEZ), it covers an area of 3.6 million square kilometres skirting the country\u2019s coast, and is so named for its size that is roughly equivalent to half of the entire of Amazon rainforest.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-59954\" src=\"https:\/\/dialogue.earth\/content\/uploads\/2022\/10\/Blue-Amazon-map-EN-scaled.jpg\" alt=\"Map of South America with Brazil's Blue Amazon exclusive economic zone highlighted\" width=\"300\" height=\"348\"><\/p>\n<p>Much like the Amazon itself, it is also an area that is abundant in natural and mineral wealth \u2013 something that has aroused great interest in Brazil, given the country\u2019s special rights to such resources within its EEZ.<\/p>\n<p>Beyond the EEZ, there is also ever intensifying attention \u2013 and ongoing negotiations \u2013 on deep-sea mining in international waters. Brazil wants to expand its jurisdiction to explore for and potentially exploit minerals beyond the confines of its Atlantic coastline. But experts warn that, given the lack of studies and specific legislation currently in place, such activities could cause serious damage to the ocean environment.<\/p>\n<h2>Which substances are found in the Blue Amazon?<\/h2>\n<p>Phosphate, ilmenite, potassium salts, rock salts and even coal are among the minerals and deposits for which applications for exploration and exploitation have been made in the Blue Amazon.<\/p>\n<p>A large number of requests have also been made for the reclamation of sand and limestone rock from the seabed.<\/p>\n<p><iframe class=\"flourish-embed-iframe\" style=\"width: 100%; height: 600px;\" title=\"Interactive or visual content\" src=\"https:\/\/flo.uri.sh\/visualisation\/11564070\/embed\" frameborder=\"0\" scrolling=\"no\" sandbox=\"allow-same-origin allow-forms allow-scripts allow-downloads allow-popups allow-popups-to-escape-sandbox allow-top-navigation-by-user-activation\"><\/iframe><\/p>\n<p>Brazil\u2019s National Mining Agency (ANM) has recorded <a href=\"https:\/\/dados.gov.br\/dataset\/sistema-de-informacoes-geograficas-da-mineracao-sigmine\">765 active requests<\/a> to mine in the country\u2019s marine area, covering an area that exceeds 1 million hectares. Of these requests, more than 70% have been made since 2010, 398 have authorisation for research, 44 are awaiting permission to begin mining and 50 have already obtained the concession. Another 268 are in the initial stage of requesting research, and five are open to prospecting requests.<\/p>\n<h2>What is already being explored and by whom?<\/h2>\n<p>The ANM has already authorised the extraction of two substances in Brazil\u2019s coastal marine system: sand and limestone. For phosphate \u2013 the substance of greatest interest to the mining sector in the Brazilian EEZ \u2013 no concessions have yet been granted, but there are 279 open requests covering a total of 531,000 hectares, submitted by 20 companies or individuals. Phosphate is a key material for the production of fertilisers, as well as many daily products including foods, cosmetics and electronics.<\/p>\n<p>Currently, only two companies produce limestone of marine origin in Brazil. According to the ANM, the exploited substance is used in the production of fertilisers and animal nutrition, as well as for shrimp aquaculture, water treatment and vitamin and mineral supplements.<\/p>\n<p>The S\u00e3o Paulo-headquartered company Oceana Minerals was granted six mining concessions in 2010, covering an area of 11,100 hectares off the coast of the northern state of Maranh\u00e3o. Meanwhile, in 2013 PrimaSea was authorised to explore for limestone in five concessions totaling just under 5,000 hectares off Bahia state, on Brazil\u2019s eastern coast. The Bahia-based company uses the mined limestone for the manufacture of cement.<\/p>\n<h2>What are the risks of mining in the Blue Amazon?<\/h2>\n<p>According to the ANM, \u201cthe current legislation that regulates mineral research and mining in Brazil does not make any distinction between submarine and terrestrial areas.\u201d<\/p>\n<p>But without ocean-specific regulation, mining activity could lead to the collapse of marine coastal ecosystems, warns Paulo Horta, a marine biologist and professor at the Federal University of Santa Catarina: \u201cWe will produce commodities that are useful for agriculture and other economic spheres, but we will compromise the functioning of the ocean system, which is a carbon sink.\u201d<\/p>\n<p>Horta highlights the disturbance extractive activities can bring upon so-called <a href=\"https:\/\/dialogue.earth\/en\/conservation\/blue-carbon-how-coastal-ecosystems-help-capture-emissions\/\">\u201cblue carbon\u201d ecosystems<\/a> that have captured vast amounts of emissions. \u201cThe ocean has absorbed approximately 25% of the carbon we have emitted since the Industrial Revolution. By mining, we release what has already been stored and undermine the ocean\u2019s ability to continue to store it.\u201d<div class='cdo-shortcode--image'><\/p>\n<figure id=\"attachment_59961\" aria-describedby=\"caption-attachment-59961\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-59961 size-full\" src=\"https:\/\/dialogue.earth\/content\/uploads\/2022\/10\/Communities_found_in_rhodolith_beds.jpeg\" alt=\"Fish in a rhodolith bed on sea floor\" width=\"900\" height=\"675\"><figcaption id=\"caption-attachment-59961\" class=\"wp-caption-text\">Communities of sea creatures are seen on a rhodolith bed in waters off southern Brazil (Image: PA Horta \/ Wikimedia Commons \/ CC-BY-SA-4.0)<\/figcaption><\/figure>\n<p><\/div>According to Horta, one of the major risks of marine mining is the dispersion of soil sediments, or plumes, which can harm important ecosystems, like the <a href=\"https:\/\/www.nature.com\/articles\/s41598-020-80574-w#Ack1\">rhodolith bank<\/a> that stretches 231,000 km2 from Santa Catarina, in southern Brazil, to the mouth of the Amazon River, between Amap\u00e1 and Par\u00e1 states in the country\u2019s north.<\/p>\n<p>Coveted for the production of fertilisers, rhodoliths are calcium carbonate-rich algae essential in the formation of reefs, and are great accumulators of carbon. The rhodolith beds of this Atlantic bank have reportedly been targeted by the <a href=\"https:\/\/www.nature.com\/articles\/d41586-022-01890-x\">Brazilian government<\/a> for extraction.<\/p>\n<p>Horta adds that plumes could reduce the productive capacity of this rhodolith bank by 70%: \u201cIt\u2019s a very serious scenario, because many of the more than 700 applications are for shallow areas. But even those that are in deep waters produce plumes that can disperse for tens or hundreds of kilometres.\u201d<\/p>\n<p>Furthermore, the scientist says, extractive activities and the disturbances they cause would put at risk the livelihoods of thousands of families that live off fishing, tourism and mariculture in Brazilian waters.<\/p>\n<h2>Are there alternatives to mining these resources?<\/h2>\n<p>Horta advocates solutions based on the regenerative economy. Instead of depleting certain natural resources, a lower impact alternative to marine mining is <a href=\"https:\/\/ellenmacarthurfoundation.org\/circular-examples\/regenerative-ocean-farming\">regenerative ocean farming<\/a> of seaweed. This approach enables the cultivation of algae in marine environments that can be used for the production of biofertilisers, and brings a range of environmental and social co-benefits.<div class='cdo-shortcode--image'><\/p>\n<figure id=\"attachment_59964\" aria-describedby=\"caption-attachment-59964\" style=\"width: 2000px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-59964 size-full\" src=\"https:\/\/dialogue.earth\/content\/uploads\/2022\/10\/seaweed-farming-in-China_d04e1aaacc_k-scaled-1.jpeg\" alt=\"Rows of seaweed farms on ocean in China\" width=\"2000\" height=\"1334\"><figcaption id=\"caption-attachment-59964\" class=\"wp-caption-text\">Traditional seaweed farming in China\u2019s Fujian province, where species such as <em>Saccharina japonica<\/em> (konbu) are grown on ropes hung between bamboo poles in tidal areas (Image: <a href=\"https:\/\/www.flickr.com\/photos\/virtualwayfarer\/\">Alex Berger<\/a> \/ <a href=\"https:\/\/www.flickr.com\/photos\/virtualwayfarer\/49902676447\/\">Flickr<\/a>&nbsp;\/ CC BY NC)<\/figcaption><\/figure>\n<p><\/div>\u201cIn this way, we not only remove carbon dioxide from the atmosphere, but we also cover the damages from nitrogen and phosphorus [production] that today create dead zones around the planet,\u201d says the scientist.<\/p>\n<p>In his view, this alternative could be implemented along the almost 8,000 kilometres of Brazilian coastline, generating jobs and income and reducing dependence on imported fertilisers, in addition to the economic potential for the pharmaceutical and cosmetics industries.<\/p>\n<h2>Where are Brazil\u2019s marine mining hotspots?<\/h2>\n<p>More than half of the mining requests to the ANM involve blocks in shallower waters nearer to Brazil\u2019s coast, in an area known as its continental margin. \u201cThis is the most interesting area for harnessing not only mineral resources, but the marine space as a whole, with wave, wind and green hydrogen energy,\u201d said Luciana Fel\u00edcio, head of the marine geology division of the Geological Survey of Brazil (SGB &#8211; CPRM), the state agency that researches the country\u2019s mineral resources.<\/p>\n<blockquote><p>Shallow waters are the most interesting area for harnessing not only mineral resources, but also wave, wind and green hydrogen energy<\/p><\/blockquote>\n<p>However, this area still demands more studies. \u201cWe need to know the relief of the seabed, ocean conditions, currents and the environmental baseline of the area so that the benefits pay off without great harm to the environment,\u201d added Fel\u00edcio.<\/p>\n<p>One of the SGB\u2019s current programmes involves a more comprehensive mapping of the Brazilian shallow regions, to deepen the knowledge of geology, ocean dynamics and environmental issues. According to Fel\u00edcio, this will be a major focus of the agency from next year. Its <a href=\"http:\/\/www.cprm.gov.br\/publique\/media\/planejamento_estrategico\/plano_estrategico_2022_2026.pdf\">plan<\/a> for 2023 to 2027 focuses on the country\u2019s northeast coast, among other areas.<\/p>\n<h2>What does the UN have to do with seabed mining?<\/h2>\n<p>The International Seabed Authority (ISA) is a UN-affiliated body that defines the rules for the extraction of marine minerals in areas beyond national jurisdiction, an issue that featured prominently at the second <a href=\"https:\/\/dialogue.earth\/en\/climate-energy\/56285-un-ocean-conference-ends-with-call-for-greater-action-to-tackle-crisis\/\">UN Ocean Conference<\/a> in Lisbon in June.<\/p>\n<figure id=\"attachment_56286\" aria-describedby=\"caption-attachment-56286\" style=\"width: 350px\" class=\"wp-caption alignright\"><a href=\"https:\/\/dialogue.earth\/en\/climate-energy\/56285-un-ocean-conference-ends-with-call-for-greater-action-to-tackle-crisis\/\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-56286\" src=\"https:\/\/dialogue.earth\/content\/uploads\/2022\/07\/2022-UN-Ocean-Conference-in-Lisbon_Rodrigo-Antunes_Alamy_2JFC4G6-2400x1508-1-scaled.jpeg\" alt=\"\" width=\"350\" height=\"220\"><\/a><figcaption id=\"caption-attachment-56286\" class=\"wp-caption-text\"><strong>Read more: <a href=\"https:\/\/dialogue.earth\/en\/climate-energy\/56285-un-ocean-conference-ends-with-call-for-greater-action-to-tackle-crisis\/\">UN Ocean Conference ends with call for greater action to tackle crisis<\/a><\/strong><\/figcaption><\/figure>\n<p>The ISA is still yet to produce regulation for deep-sea mining, despite it being the subject of enormous economic interest. The Pacific island state of Nauru has led the charge to permit the start of seabed mining on the high seas, by <a href=\"https:\/\/seas-at-risk.org\/general-news\/nauru-and-deepgreen-trigger-mechanism-to-start-deep-sea-mining-in-two-years\/\">invoking a clause<\/a> that would allow mining activities to begin in mid-2023 regardless of the rules in place.<\/p>\n<p>On the other side of the argument, many scientists and activists used the recent UN conference to push for a moratorium on ocean mining until more studies on its impacts have been done.<\/p>\n<h2>The Rio Grande Rise: a new frontier?<\/h2>\n<p>Since 2009, the SGB has been studying the <a href=\"https:\/\/www.marinha.mil.br\/secirm\/psrm\/proarea\">Rio Grande Rise<\/a>, a chain of underwater mountains distributed over an area of around 150,000 km2, at a depth of approximately 3,000 metres. This deep-sea region is beyond Brazilian jurisdiction, some 2,300 km off the coast to the country\u2019s south. During the first expeditions to the Rise, researchers identified the presence of metals such as manganese, copper and cobalt.<\/p>\n<p>To further the studies, the SGB <a href=\"https:\/\/www.isa.org.jm\/news\/isa-and-companhia-de-pesquisa-de-recursos-minerais-brazil-sign-exploration-contract\">signed<\/a> a 15-year contract with the ISA in November 2015. Research soon identified rock structures similar to those off the Brazilian coast. Then, in late 2018, Brazil made a <a href=\"https:\/\/dsmobserver.com\/2019\/10\/one-of-the-most-significant-deep-sea-mining-negotiations-is-underway-at-the-commission-on-the-limits-of-the-continental-shelf\/\">request<\/a> to the UN Commission on the Limits of the Continental Shelf to claim the Rio Grande Rise and other areas within its jurisdiction. If approved, the Brazilian EEZ would become 5.7 million km2.<\/p>\n<p>The claim is yet to be addressed by the commission. Brazil has no permission for economic exploration of the Rio Grande Rise while it awaits a response.<\/p>\n<h2>Are big players monitoring this sea of possibilities?<\/h2>\n<p>Brazilian operations in the deep sea are still in the research phase, and have not yet attracted the interest of domestic companies, says Fel\u00edcio. The ANM has not received requests for mineral research in deep water.<\/p>\n<p>Petrobras, the partly state-owned Brazilian petroleum giant, is reportedly already aware of the presence of pockmarks in the Rio Grande Rise; these are crater-like depressions in the seabed where there are releases of fluids and gases, mainly methane, which may signal the presence of hydrocarbons. However, the company told Di\u00e1logo Chino that it does not at present envision exploring the area, due to the scarcity of studies.<\/p>\n<figure id=\"attachment_52476\" aria-describedby=\"caption-attachment-52476\" style=\"width: 350px\" class=\"wp-caption alignright\"><a href=\"https:\/\/dialogue.earth\/en\/climate-energy\/52453-un-high-seas-negotiations-fail-secure-treaty-long-awaited\/\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-52476\" src=\"https:\/\/dialogue.earth\/content\/uploads\/2022\/03\/UN-high-seas-treaty_Christopher-Michel_Flickr-1440x720-1.jpg\" alt=\"whale underwater\" width=\"350\" height=\"175\"><\/a><figcaption id=\"caption-attachment-52476\" class=\"wp-caption-text\"><strong>Read more: <a href=\"https:\/\/dialogue.earth\/en\/climate-energy\/52453-un-high-seas-negotiations-fail-secure-treaty-long-awaited\/\">UN high seas negotiations fail to secure long-awaited treaty<\/a><\/strong><\/figcaption><\/figure>\n<p>Since 2017, Maila Guilhon has been studying <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0967063718300311\">strategies and guidelines<\/a> to preserve ecosystems in international waters where mining exploration may take place. For the biologist, it is not clear if Brazil wants to mine in the deep sea. Despite being the country with the greatest command of personnel, infrastructure and scientific research techniques in the South Atlantic, \u201cBrazil does not have the technology to carry out this exploration\u201d and would have to make international partnerships.<\/p>\n<p>In addition, the country lacks a regulatory framework for deep-sea mining. \u201cIt is very important to have a regulatory basis, like a \u2018Law of the Sea\u2019, so that we have guiding principles and good environmental practices,\u201d Guilhon adds. \u201cDepending on what will be done, the precautionary principle is the first point to be taken into consideration, in addition to the participation of civil society.\u201d<\/p>\n<p>Guilhon is conducting part of her <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0195925522001123\">doctorate research<\/a> at the Institute for Advanced Sustainability Studies in Potsdam, Germany, in contact with multiple parties involved in the ongoing discussions over deep-sea mining. China, India, Russia and the United Kingdom are some of the main countries interested in pursuing such activities, while nations from the European Union, Latin America and the Caribbean have been vocal in their opposition to this exploration and potential exploitation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The mineral-rich seabed off Brazil\u2019s coast is attracting great interest. But unregulated extraction will have irreversible impacts on coastal and marine ecosystems<\/p>\n","protected":false},"featured_media":50060012,"comment_status":"closed","ping_status":"closed","template":"","categories":[50039901],"tags":[506,566],"country":[50000021],"class_list":["post-50059952","explainer","type-explainer","status-publish","has-post-thumbnail","hentry","category-ocean","tag-amazon","tag-mining","country-brazil"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.0 (Yoast SEO v26.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Explainer: The Blue Amazon, and the promise and perils of marine mining<\/title>\n<meta name=\"description\" content=\"The mineral-rich seabed off Brazil\u2019s Blue Amazon is attracting interest, but unregulated extraction will have irreversible impacts\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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