{"id":4232,"date":"2019-09-25T13:27:09","date_gmt":"2019-09-25T13:27:09","guid":{"rendered":"https:\/\/www.naturepl.com\/blog\/?p=4232"},"modified":"2019-09-25T14:24:38","modified_gmt":"2019-09-25T14:24:38","slug":"clip-of-the-week-source-of-the-rio-tinto-river","status":"publish","type":"post","link":"https:\/\/www.naturepl.com\/blog\/2019\/09\/25\/clip-of-the-week-source-of-the-rio-tinto-river\/","title":{"rendered":"Clip of the Week &#8211; source of the Rio Tinto river"},"content":{"rendered":"<h3>Clip of the Week<\/h3>\n<p>This week&#8217;s clip is a t<span>racking aerial shot of the <a href=\"https:\/\/www.naturepl.com\/stock-video\/tracking-aerial-shot-of-the-source-of-the-rio-tinto-river-the-river-is\/search\/detail-0_01622835.html\">source of the Rio Tinto river<\/a>, Andalusia, Spain. It was filmed in January 2019 by Milan Radisics. Rio Tinto translates as Red River, as the river is coloured by oxidised iron and other minerals leaching from the surrounding terrain. The river maintains this colour for around 50km, before both the colour and the mineral content of the water start to decline.<\/span><\/p>\n<div style=\"padding: 56.25% 0 0 0; position: relative;\"><iframe style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%;\" src=\"https:\/\/player.vimeo.com\/video\/348414959?title=0&amp;byline=0&amp;portrait=0\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<h3>The chemistry behind the process<\/h3>\n<p>Acid conditions in the area dissolve minerals and heavy metals, which then leach into the water and cause environmental problems. (The river has a pH of around 2, a strong acid roughly equivalent to vinegar). It is not clear how much of this acidity is natural, and how much results from ore mining &#8211; for gold, copper and silver, amongst other minerals &#8211; in the area.\u00a0<span>Although the river represents a harsh environment for life, some microorganisms classified as extremophiles do thrive in these conditions. Such life forms include certain species of bacteria, algae and heterotrophs.<\/span><\/p>\n<h3>As Milan comments,<\/h3>\n<p><span>&#8220;I am not sure how mining processes also affected the acidity of water, but as I saw, nature and human presence is so interwoven in this area it&#8217;s hard to separate the two&#8230;&#8221;<\/span><\/p>\n<div id='gallery-1' class='gallery gallery-4232 style-scrollingstrip'><figure class='gallery-item col-0'><div class='gallery-icon landscape'><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364941.jpg\" class=\"attachment-gallery-strip-thumb size-gallery-strip-thumb\" alt=\"Red waters of the Rio Tinto, coloured by dissolved minerals, primarily iron. Andalusia, Spain, December 2011.\" srcset=\"https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364941.jpg 1024w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364941-150x100.jpg 150w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364941-300x200.jpg 300w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364941-768x512.jpg 768w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364941-360x240.jpg 360w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364941-600x400.jpg 600w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364941-510x340.jpg 510w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364941-320x213.jpg 320w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364941-375x250.jpg 375w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364941-900x600.jpg 900w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364941-159x106.jpg 159w\" sizes=\"100vw\" title=\"Red waters of the Rio Tinto, coloured by dissolved minerals, primarily iron. Andalusia, Spain, December 2011.\" \/><\/div><div class=\"gallery-overview-caption\"><strong>01364941<\/strong> by Juan Carlos Munoz<\/div>\n\t\t\t\t\t<\/figure><figure class='gallery-item col-0'><div class='gallery-icon landscape'><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364947.jpg\" class=\"attachment-gallery-strip-thumb size-gallery-strip-thumb\" alt=\"Red waters of the Rio Tinto, coloured by dissolved minerals, primarily iron. Andalusia, Spain, December 2011\" srcset=\"https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364947.jpg 1024w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364947-150x100.jpg 150w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364947-300x200.jpg 300w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364947-768x512.jpg 768w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364947-360x240.jpg 360w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364947-600x400.jpg 600w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364947-510x340.jpg 510w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364947-320x213.jpg 320w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364947-375x250.jpg 375w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364947-900x600.jpg 900w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364947-159x106.jpg 159w\" sizes=\"100vw\" title=\"Red waters of the Rio Tinto, coloured by dissolved minerals, primarily iron. Andalusia, Spain, December 2011\" \/><\/div><div class=\"gallery-overview-caption\"><strong>01364947<\/strong> by Juan Carlos Munoz<\/div>\n\t\t\t\t\t<\/figure><figure class='gallery-item col-0'><div class='gallery-icon landscape'><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364936.jpg\" class=\"attachment-gallery-strip-thumb size-gallery-strip-thumb\" alt=\"Red waters of the Rio Tinto, coloured by dissolved minerals, primarily iron. Andalusia, Spain, December 2011.\" srcset=\"https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364936.jpg 1024w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364936-150x100.jpg 150w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364936-300x200.jpg 300w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364936-768x512.jpg 768w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364936-360x240.jpg 360w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364936-600x400.jpg 600w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364936-510x340.jpg 510w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364936-320x213.jpg 320w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364936-375x250.jpg 375w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364936-900x600.jpg 900w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01364936-159x106.jpg 159w\" sizes=\"100vw\" title=\"Red waters of the Rio Tinto, coloured by dissolved minerals, primarily iron. Andalusia, Spain, December 2011.\" \/><\/div><div class=\"gallery-overview-caption\"><strong>01364936<\/strong> by Juan Carlos Munoz<\/div>\n\t\t\t\t\t<\/figure><figure class='gallery-item col-0'><div class='gallery-icon landscape'><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01185914.jpg\" class=\"attachment-gallery-strip-thumb size-gallery-strip-thumb\" alt=\"Dead Libellula dragonfly in the Rio Tinto, or Red River, very acidic and coloured deep red by iron dissolved in the water, causing severe environmental problems. Huelva, Spain\" srcset=\"https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01185914.jpg 1024w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01185914-150x100.jpg 150w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01185914-300x200.jpg 300w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01185914-768x512.jpg 768w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01185914-360x240.jpg 360w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01185914-600x400.jpg 600w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01185914-510x340.jpg 510w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01185914-320x213.jpg 320w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01185914-375x250.jpg 375w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01185914-900x600.jpg 900w, https:\/\/www.naturepl.com\/blog\/wp-content\/uploads\/2019\/09\/01185914-159x106.jpg 159w\" sizes=\"100vw\" title=\"Dead Libellula dragonfly in the Rio Tinto, or Red River, very acidic and coloured deep red by iron dissolved in the water, causing severe environmental problems. Huelva, Spain\" \/><\/div><div class=\"gallery-overview-caption\"><strong>01185914<\/strong> by Jose B. Ruiz<\/div>\n\t\t\t\t\t<\/figure>\n\t\t\t<\/div><!-- .gallery -->\n\n","protected":false},"excerpt":{"rendered":"<p>Clip of the Week This week&#8217;s clip is a tracking aerial shot of the source of the Rio Tinto river, Andalusia, Spain. It was filmed in January 2019 by Milan Radisics. Rio Tinto translates as Red River, as the river is coloured by oxidised iron and other minerals leaching from the surrounding terrain. The river&#8230;<\/p>\n<p><a href=\"https:\/\/www.naturepl.com\/blog\/2019\/09\/25\/clip-of-the-week-source-of-the-rio-tinto-river\/\" rel=\"nofollow\" class=\"button\">Read More<\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[8],"tags":[],"class_list":["post-4232","post","type-post","status-publish","format-standard","hentry","category-video"],"_links":{"self":[{"href":"https:\/\/www.naturepl.com\/blog\/wp-json\/wp\/v2\/posts\/4232"}],"collection":[{"href":"https:\/\/www.naturepl.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.naturepl.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.naturepl.com\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.naturepl.com\/blog\/wp-json\/wp\/v2\/comments?post=4232"}],"version-history":[{"count":5,"href":"https:\/\/www.naturepl.com\/blog\/wp-json\/wp\/v2\/posts\/4232\/revisions"}],"predecessor-version":[{"id":4243,"href":"https:\/\/www.naturepl.com\/blog\/wp-json\/wp\/v2\/posts\/4232\/revisions\/4243"}],"wp:attachment":[{"href":"https:\/\/www.naturepl.com\/blog\/wp-json\/wp\/v2\/media?parent=4232"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.naturepl.com\/blog\/wp-json\/wp\/v2\/categories?post=4232"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.naturepl.com\/blog\/wp-json\/wp\/v2\/tags?post=4232"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}