Zin\u0101tnieki Sp\u0101nijas Mar Menor piekrastes lag\u016bn\u0101 ir atkl\u0101ju\u0161i sl\u0113ptu toksiska pies\u0101r\u0146ojuma avotu – pazemes grunts\u016bde\u0146u upi, kas katru gadu \u016bdenstilp\u0113 iepl\u016bdina aptuveni vienu kilogramu dz\u012bvsudraba, zi\u0146o \u201cEarth.com\u201d.<\/p>\n
\u0160is atkl\u0101jums tika veikts, pateicoties Dr. Sel\u012bnas Laver\u0146as vad\u012btajam p\u0113t\u012bjumam J\u016bras zin\u0101t\u0146u instit\u016bt\u0101 Barselon\u0101. P\u0113tnieki p\u0113t\u012bja, k\u0101 met\u0101lu mikroelementi p\u0101rvietojas pa piekrastes \u016bde\u0146iem un ietekm\u0113 tuv\u0113j\u0101s ekosist\u0113mas.<\/p>\n
Mar Menor ir sekla, \u013coti s\u0101\u013ca piekrastes lag\u016bna Sp\u0101nijas dienvidaustrumos, ko no Vidusj\u016bras atdala \u0161aura smil\u0161u josla. T\u0101 aiz\u0146em aptuveni 135 kvadr\u0101tkilometrus, padarot to par liel\u0101ko piekrastes lag\u016bnu Vidusj\u016bras rietumu re\u0123ion\u0101.<\/p>\n
Zin\u0101tnieku komanda zem lag\u016bnas gultnes izsekoja zem\u016bdens notek\u016bde\u0146u t\u012bklu – \u016bdeni, kas pl\u016bst no piekrastes j\u016br\u0101. Vi\u0146i atkl\u0101ja, ka \u0161\u012b neredzam\u0101 pl\u016bsma pieg\u0101d\u0101ja dz\u012bvsudrabu.<\/p>\n
Iev\u0113rojama da\u013ca no \u0161\u012b dz\u012bvsudraba ir t\u0101 sauktais “mantojums”, kas noz\u012bm\u0113, ka \u0161is pies\u0101r\u0146ojums saglab\u0101jas augsn\u0113 un nogulumos iepriek\u0161\u0113jo ieguves un lauksaimniec\u012bbas darb\u012bbu rezult\u0101t\u0101. Kad grunts\u016bde\u0146i sajaucas ar s\u0101\u013co lag\u016bnas \u016bdeni krasta tuvum\u0101, rodas labv\u0113l\u012bgi apst\u0101k\u013ci metildz\u012bvsudraba – dz\u012bvsudraba veida, kas uzkr\u0101jas bar\u012bbas \u0137\u0113d\u0113s – veido\u0161anai.<\/p>\n
\u0160aj\u0101s sajauk\u0161an\u0101s zon\u0101s ir maz sk\u0101bek\u013ca, un t\u0101s ir bag\u0101tas ar organisk\u0101m viel\u0101m, kas veicina mikroorganismu aug\u0161anu, kuri neorganisko dz\u012bvsudrabu p\u0101rv\u0113r\u0161 metildz\u012bvsudrab\u0101.<\/p>\n
Metildz\u012bvsudrabs p\u0101rvietojas aug\u0161up pa \u016bdens bar\u012bbas \u0137\u0113d\u0113m, t\u0101p\u0113c liel\u0101k\u0101s pl\u0113s\u012bg\u0101s ziv\u012bs parasti ir augst\u0101ka koncentr\u0101cija nek\u0101 maz\u0101kos organismos, ar kuriem t\u0101s barojas.<\/p>\n
Saska\u0146\u0101 ar Pasaules vesel\u012bbas organiz\u0101cijas (PVO) datiem, metildz\u012bvsudrabs var boj\u0101t smadzenes un nervu sist\u0113mu, \u012bpa\u0161i aug\u013ca att\u012bst\u012bbas stadij\u0101 un agr\u0101 b\u0113rn\u012bb\u0101.<\/p>\n
Lai gan pa\u0161reiz\u0113jais dz\u012bvsudraba l\u012bmenis Mar Menor \u016bden\u012b un ziv\u012bs <\/a>netiek uzskat\u012bts par kritisku, zin\u0101tnieki br\u012bdina, ka \u0161\u012b pies\u0101r\u0146ojuma, klimata p\u0101rmai\u0146u, karsto vasaru un sk\u0101bek\u013ca defic\u012bta kombin\u0101cija var\u0113tu situ\u0101ciju pasliktin\u0101t.<\/p>\n Pazemes dz\u012bvsudraba avota atkl\u0101\u0161ana, p\u0113c p\u0113t\u012bjuma autoru dom\u0101m, liecina, ka l\u012bdz\u012bgi “neredzamie” draudi var\u0113tu past\u0101v\u0113t ar\u012b cit\u0101s piekrastes lag\u016bn\u0101s vis\u0101 pasaul\u0113.<\/p>\n \t\t\t\t\t\tinfo<\/p>\n Uzzini pirmais
kas interesants noticis Latvij\u0101 un pasaul\u0113,
pievienojoties mums Telegram<\/a> vai Whatsapp<\/a> kan\u0101l\u0101<\/p>\n","protected":false},"excerpt":{"rendered":"Zin\u0101tnieki Sp\u0101nijas Mar Menor piekrastes lag\u016bn\u0101 ir atkl\u0101ju\u0161i sl\u0113ptu toksiska pies\u0101r\u0146ojuma avotu – pazemes grunts\u016bde\u0146u upi, kas katru…\n","protected":false},"author":2,"featured_media":88809,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[23,57,28,29,32,33,22,30,31,35,39,38,36,37,34,40,20,26,27,24,25,54,55,56,21,58],"class_list":{"0":"post-88808","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-zinas-no-arvalstim","8":"tag-aktualitates","9":"tag-arvalstim","10":"tag-breaking-news","11":"tag-breakingnews","12":"tag-featured-news","13":"tag-featurednews","14":"tag-headlines","15":"tag-latest-news","16":"tag-latestnews","17":"tag-latvia","18":"tag-latvian","19":"tag-latviesu","20":"tag-latviesu-valoda","21":"tag-latviesuvaloda","22":"tag-latvija","23":"tag-lv","24":"tag-news","25":"tag-popularakas-zinas","26":"tag-popularakaszinas","27":"tag-top-stories","28":"tag-topstories","29":"tag-world","30":"tag-world-news","31":"tag-worldnews","32":"tag-zinas","33":"tag-zinas-no-arvalstim"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@lv\/115803063876006479","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/posts\/88808","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/comments?post=88808"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/posts\/88808\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/media\/88809"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/media?parent=88808"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/categories?post=88808"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/tags?post=88808"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}