{"id":16258,"date":"2020-02-25T10:43:13","date_gmt":"2020-02-25T02:43:13","guid":{"rendered":"https:\/\/www.jxscmachine.com\/?post_type=new&p=16258"},"modified":"2021-07-08T13:55:05","modified_gmt":"2021-07-08T05:55:05","slug":"mineracao-em-aguas-profundas-mau-ambiente","status":"publish","type":"new","link":"https:\/\/www.jxscmachine.com\/pt\/new\/deep-sea-mining-bad-environment\/","title":{"rendered":"A explora\u00e7\u00e3o mineira em \u00e1guas profundas \u00e9 m\u00e1 para o ambiente?"},"content":{"rendered":"

Cientistas preocupam-se: a explora\u00e7\u00e3o mineira em \u00e1guas profundas pode prejudicar a ecologia da Terra<\/strong><\/span><\/p>\n

\"Embora a explora\u00e7\u00e3o comercial do fundo do mar possa tornar-se uma realidade nos pr\u00f3ximos anos, investigadores da Organiza\u00e7\u00e3o Greenpeace alertaram recentemente para o facto de a explora\u00e7\u00e3o mineira em \u00e1guas profundas poder ser um golpe mortal para um ecossistema marinho j\u00e1 de si fr\u00e1gil e que n\u00e3o pode ser revertido.<\/p><\/blockquote>\n

\u00c0 medida que a popula\u00e7\u00e3o mundial aumenta, o r\u00e1pido crescimento da procura humana de recursos est\u00e1 a arrastar o desenvolvimento humano para um novo patamar. Embora a explora\u00e7\u00e3o comercial do fundo do mar profundo possa tornar-se uma realidade nos pr\u00f3ximos anos, investigadores da Universidade de Exeter e da Organiza\u00e7\u00e3o Greenpeace alertaram recentemente para o facto de a explora\u00e7\u00e3o mineira em \u00e1guas profundas poder constituir um golpe mortal para um ecossistema marinho j\u00e1 de si fr\u00e1gil e que n\u00e3o pode ser revertido. Os resultados desta investiga\u00e7\u00e3o foram publicados na revista Front. Mar. Sci.
\n\"extra\u00e7\u00e3o
\nA \u00e1rea de mar profundo refere-se \u00e0 \u00e1rea abaixo dos 3000 metros de altitude, cobrindo cerca de 50% da superf\u00edcie da Terra. Trata-se de um grande bolo que seduz as empresas mineiras mundiais.<\/p>\n

Apenas uma pequena parte das profundezas do mar foi explorada at\u00e9 agora, e estes lugares misteriosos est\u00e3o cheios de tesouros inexplorados. Num mundo cheio de vida marinha incont\u00e1vel, \u00e9 rico em mangan\u00eas, sulfureto, fosfato e at\u00e9 diamantes. Isto \u00e9 muito tentador para a ind\u00fastria mineira!<\/p>\n

V\u00e1rias empresas, como a Nautilus Minerals e a Diamond Fields International, t\u00eam afirmado sucessivamente que a extra\u00e7\u00e3o destes recursos assegurar\u00e1 uma oferta est\u00e1vel de recursos humanos nas pr\u00f3ximas d\u00e9cadas.
\n\"minera\u00e7\u00e3o
\nNo entanto, o novo relat\u00f3rio, redigido por cientistas e peritos em pol\u00edticas conexas, defende que a explora\u00e7\u00e3o mineira em \u00e1guas profundas n\u00e3o \u00e9 do interesse da humanidade ou do mundo em geral e que poder\u00e1 ter um pre\u00e7o elevado.<\/p>\n

O oceano profundo da Terra est\u00e1 mais pr\u00f3ximo de n\u00f3s do que a Lua, mas os seres humanos n\u00e3o conhecem o mar profundo nem mesmo do que Marte. \u00c9 dif\u00edcil dizer quais s\u00e3o os danos potenciais causados pela extra\u00e7\u00e3o mineira em \u00e1guas profundas, e os poucos conhecimentos e experi\u00eancias actuais dizem-nos que o oceano n\u00e3o gosta de ser perturbado.
\n\"mar\"
\nDe facto, alguns cientistas acreditam que a explora\u00e7\u00e3o mineira em \u00e1guas profundas pode levar \u00e0 perda generalizada de habitats e \u00e0 extin\u00e7\u00e3o em massa. Atualmente, a maioria dos cientistas marinhos de todo o mundo chegou a um consenso de que qualquer atividade mineira em grande escala no fundo do mar consumir\u00e1 recursos, perturbar\u00e1, destruir\u00e1 ou eliminar\u00e1 os elementos estruturais dos ecossistemas, causar\u00e1 perda de biodiversidade e afectar\u00e1 os ecossistemas.<\/p>\n

O ecossistema marinho enfrenta atualmente muitas amea\u00e7as, como as altera\u00e7\u00f5es clim\u00e1ticas, a acidifica\u00e7\u00e3o dos oceanos, a polui\u00e7\u00e3o, a perfura\u00e7\u00e3o ao largo e a press\u00e3o da navega\u00e7\u00e3o e da pesca, que causaram in\u00fameras cat\u00e1strofes provocadas pelo homem no mundo subaqu\u00e1tico. Por conseguinte, o relat\u00f3rio apela aos seres humanos para que se mantenham vigilantes, proponham uma pol\u00edtica marinha coerente e eficaz, criem mais zonas marinhas protegidas (AMP) e ag\u00eancias de gest\u00e3o mais transparentes.<\/p>\n

O relat\u00f3rio mostra que a ind\u00fastria mineira est\u00e1 agora a competir por licen\u00e7as de explora\u00e7\u00e3o mineira submarina de v\u00e1rias formas. Catherine Miller, investigadora da Greenpeace International, afirmou: \"Muitos cientistas marinhos receiam que, uma vez adjudicado o primeiro contrato comercial de extra\u00e7\u00e3o mineira, n\u00e3o haja retorno.<\/p>\n

O relat\u00f3rio afirma que uma \"economia circular\" baseada na reutiliza\u00e7\u00e3o e reciclagem de minerais \u00e9 suficiente, por si s\u00f3, para reduzir o consumo insustent\u00e1vel de materiais. David Santillo, bi\u00f3logo marinho da Universidade de Exeter, questiona se devemos permitir a explora\u00e7\u00e3o mineira submarina, que apresenta riscos para os ecossistemas de profundidade, ou se devemos concentrar-nos na redu\u00e7\u00e3o da procura de minerais virgens. Antes de tomarmos qualquer decis\u00e3o precipitada, devemos refletir cuidadosamente sobre a resposta.<\/p>","protected":false},"excerpt":{"rendered":"

Cientistas preocupam-se: a explora\u00e7\u00e3o mineira em \u00e1guas profundas ir\u00e1 prejudicar a ecologia da Terra \"Embora a explora\u00e7\u00e3o comercial do fundo do mar possa tornar-se uma realidade nos pr\u00f3ximos anos, investigadores da Organiza\u00e7\u00e3o Greenpeace alertaram recentemente para o facto de a explora\u00e7\u00e3o mineira em \u00e1guas profundas poder ser um golpe mortal para um ecossistema marinho j\u00e1 de si fr\u00e1gil e que n\u00e3o pode ser revertido\". Como ... Continuar a ler A explora\u00e7\u00e3o mineira em \u00e1guas profundas \u00e9 m\u00e1 para o ambiente?<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":16261,"parent":0,"menu_order":248,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[],"tags":[],"class_list":["post-16258","new","type-new","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nIs Deep Sea Mining bad for the environment? - JXSC Machine<\/title>\n<meta name=\"description\" content=\"Although commercial exploitation of the bottom of the deep sea may become a reality in the next few years, researchers from Greenpeace Organization recently warned that deep-sea mining exploration could be a deadly blow to an already fragile marine ecosystem and cannot be reversed.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.jxscmachine.com\/pt\/novo\/mineracao-em-aguas-profundas-mau-ambiente\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Is Deep Sea Mining bad for the environment? 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