{"id":8936,"date":"2019-05-22T17:56:36","date_gmt":"2019-05-22T20:56:36","guid":{"rendered":"https:\/\/blog.mindthegraph.com\/?p=8936"},"modified":"2022-10-18T11:41:07","modified_gmt":"2022-10-18T14:41:07","slug":"ocean-acidification-consequences","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/lv\/okeana-paskabinasanas-sekas\/","title":{"rendered":"Oke\u0101na pask\u0101bin\u0101\u0161an\u0101s ietekme uz j\u016bras dz\u012bvniekiem"},"content":{"rendered":"

Oglek\u013ca dioks\u012bds ir atmosf\u0113r\u0101 bie\u017ei sastopama g\u0101ze. Parasti Zemes oglek\u013ca cikls uztur dabisku oglek\u013ca l\u012bdzsvaru atmosf\u0113r\u0101, sauszem\u0113 un oke\u0101n\u0101, pateicoties \"plan\u0113tas elpo\u0161anai\". Tom\u0113r cilv\u0113ka darb\u012bba, piem\u0113ram, fosil\u0101 kurin\u0101m\u0101 emisija, izjauc oglek\u013ca cikla l\u012bdzsvaru, izraisot klimata p\u0101rmai\u0146as, jo palielin\u0101s siltumn\u012bcas efekts un oke\u0101nu pask\u0101bin\u0101\u0161an\u0101s.<\/p>\n\n\n\n

Lai izprastu oke\u0101nu pask\u0101bin\u0101\u0161an\u0101s sekas, vispirms ir j\u0101atg\u0101dina oglek\u013ca cikls. Par to es rakst\u012bju \u0161eit1<\/sup>.<\/p>\n\n\n\n

Siltumn\u012bcas efekts nodro\u0161ina dz\u012bv\u012bbu uz Zemes, aizturot siltumu atmosf\u0113r\u0101 un sasiltinot plan\u0113tu. Es par\u0101d\u012bju, k\u0101 tas darbojas, \u0161eit1<\/sup>. Tom\u0113r, neraugoties uz t\u0101s noz\u012bm\u012bgumu, oglek\u013ca dioks\u012bda palielin\u0101\u0161an\u0101s to ir padar\u012bjusi par probl\u0113mu.<\/p>\n\n\n\n

Ta\u010du ne viss oglek\u013ca dioks\u012bda p\u0101rpalikums paliek atmosf\u0113r\u0101. Zin\u0101tnieki l\u0113\u0161, ka oke\u0101ni absorb\u0113 vienu tre\u0161da\u013cu no visa cilv\u0113ka darb\u012bbas rad\u012bt\u0101 oglek\u013ca dioks\u012bda. Oke\u0101na veikt\u0101 oglek\u013ca dioks\u012bda aizvade no atmosf\u0113ras pal\u012bdz aizkav\u0113t klimata p\u0101rmai\u0146u apm\u0113rus. Tom\u0113r par \u0161o ieguvumu ir j\u0101maks\u0101.<\/p>\n\n\n\n

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S\u0101ciet lietot Mind The Graph tie\u0161i tagad bez maksas!<\/a><\/div>\n<\/div>\n\n\n\n

Oglek\u013ca dioks\u012bds un oke\u0101na \u0137\u012bmija<\/h2>\n\n\n\n

P\u0113c iz\u0161\u0137\u012bdin\u0101\u0161anas j\u016bras \u016bden\u012b CO2 rea\u0123\u0113 ar \u016bdeni (H2O), veidojot og\u013csk\u0101bi: H2CO3: CO2 + H2O \u2194 H2CO3. Og\u013csk\u0101be strauji \u0161\u0137\u012bst, veidojot H+ jonus (sk\u0101be) un bikarbon\u0101tu HCO3- (b\u0101ze). J\u016bras \u016bdens ir dabiski pies\u0101tin\u0101ts ar citu b\u0101zi, karbon\u0101ta jonu (CO3-2), kas darbojas k\u0101 antac\u012bda, lai neitraliz\u0113tu H+, veidojot vair\u0101k bikarbon\u0101ta. T\u012br\u0101 reakcija izskat\u0101s \u0161\u0101di: CO2 + H2O + CO3-2\u2192 2HCO3-<\/p>\n\n\n

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\"oke\u0101nu<\/a><\/figure><\/div>\n\n\n

Oglek\u013ca dioks\u012bda absorbcija b\u016btiski maina oke\u0101na \u0137\u012bmisko sast\u0101vu, izraisot reakcijas, kuru rezult\u0101t\u0101 j\u016bras \u016bdens k\u013c\u016bst sk\u0101b\u0101ks - \u0161o par\u0101d\u012bbu sauc par oke\u0101na pask\u0101bin\u0101\u0161anos. Faktiski oke\u0101ns ir k\u013cuvis par gandr\u012bz 30 % sk\u0101b\u0101ks nek\u0101 r\u016bpniec\u012bbas \u0113ras s\u0101kum\u0101. \u0160\u012bs p\u0101rmai\u0146as ir liel\u0101kas un strauj\u0101kas, nek\u0101 nov\u0113rots fosilajos avotos vismaz 800 000 gadu sen\u0101 pag\u0101tn\u0113, pirms fosilajos avotos par\u0101d\u012bj\u0101s mugurkaulnieki un augi.<\/p>\n\n\n

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\"oke\u0101nu<\/a><\/figure><\/div>\n\n\n
\n
Efekt\u012bvu zin\u0101tnisko fig\u016bru izveide da\u017eu min\u016b\u0161u laik\u0101<\/a><\/div>\n<\/div>\n\n\n\n

K\u0101 oke\u0101na pask\u0101bin\u0101\u0161an\u0101s ietekm\u0113s j\u016bras dz\u012bvi, piem\u0113ram, zivis, kora\u013c\u013cus un gliemenes?<\/h2>\n\n\n\n

Palielinoties \u016bde\u0146ra\u017ea jonu koncentr\u0101cijai, \u016bdens k\u013c\u016bst sk\u0101b\u0101ks. Turkl\u0101t karbon\u0101tu jonu k\u013c\u016bst maz\u0101k.<\/p>\n\n\n\n

Da\u017ei no papildu \u016bde\u0146ra\u017ea joniem rea\u0123\u0113 ar karbon\u0101ta joniem, veidojot vair\u0101k bikarbon\u0101ta. T\u0101 k\u0101 karbon\u0101tu k\u013c\u016bst maz\u0101k, \u0161iem organismiem, piem\u0113ram, kora\u013c\u013ciem un gliemen\u0113m, ir gr\u016bt\u0101k veidot un saglab\u0101t \u010daulas un skeletus. Paaugstin\u0101ts sk\u0101bums var pat izrais\u012bt da\u017eu karbon\u0101tu \u010daulu un skeletu iz\u0161\u0137\u012b\u0161anu. \u016ade\u0146ra\u017ea joni rea\u0123\u0113 ar cieto kalcija karbon\u0101tu un p\u0101rv\u0113r\u0161 to \u0161\u0137\u012bsto\u0161\u0101 bikarbon\u0101t\u0101 un kalcija jonos.<\/p>\n\n\n

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\"\"<\/a><\/figure><\/div>\n\n\n

Starp s\u012bku augu un dz\u012bvnieku mais\u012bjumu, kas veido planktonu, dz\u012bvo ar\u012b s\u012bks j\u016bras gliemezis, ko sauc par pteropodu. Neraugoties uz to mazo izm\u0113ru, pteropodi ir svar\u012bgs bar\u012bbas avots daudz\u0101m sug\u0101m, tostarp ziv\u012bm, ro\u0146iem un va\u013ciem. Ta\u010du pteropodiem ir trauslas kalcija karbon\u0101ta \u010daulas, kas ir jut\u012bgas pret oke\u0101na pask\u0101bin\u0101\u0161anos. Veicot virkni eksperimentu, pteropodu \u010daulas tika ievietotas j\u016bras \u016bden\u012b ar t\u0101du pH (sk\u0101bumu), k\u0101ds Dienvidu oke\u0101n\u0101 tiks prognoz\u0113ts l\u012bdz 2100. gadam. Pteropodu \u010daulas 48 stundu laik\u0101 s\u0101ka \u0161\u0137\u012bst.<\/p>\n\n\n\n

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Ieg\u016bstiet redzam\u012bbu ar Mind The Graph<\/a><\/div>\n<\/div>\n\n\n\n

P\u0113t\u012bjuma vizualiz\u0113\u0161ana<\/strong><\/h3>\n\n\n\n

Vizu\u0101lie resursi, piem\u0113ram, infografikas un videoklipi, ir efekt\u012bvs veids, k\u0101 inform\u0113t par zin\u0101tni. Es izveidoju visas \u0161\u012bs infografikas, izmantojot tie\u0161saistes platformu Mind the graph, kas \u013cauj zin\u0101tniekiem veidot pievilc\u012bgus materi\u0101lus.<\/p>\n\n\n\n

  1. Oglek\u013ca cikls un siltumn\u012bcas efekts - zin\u0101tniska infografika.<\/a><\/li><\/ol>\n\n\n\n

    <\/p>\n\n\n\n

    <\/p>\n\n\n\n

    <\/p>\n\n\n\n

    <\/p>","protected":false},"excerpt":{"rendered":"

    Oglek\u013ca dioks\u012bds ir atmosf\u0113r\u0101 bie\u017ei sastopama g\u0101ze. Parasti Zemes oglek\u013ca cikls uztur dabisku oglek\u013ca l\u012bdzsvaru atmosf\u0113r\u0101, sauszem\u0113 un oke\u0101n\u0101, pateicoties \"plan\u0113tas elpo\u0161anai\". Tom\u0113r cilv\u0113ka darb\u012bba, piem\u0113ram, fosil\u0101 kurin\u0101m\u0101 emisija, izjauc oglek\u013ca cikla l\u012bdzsvaru, izraisot klimata p\u0101rmai\u0146as, jo palielin\u0101s siltumn\u012bcefekta [...].<\/p>","protected":false},"author":11,"featured_media":8959,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","meta":[],"categories":[66,958],"tags":[219,51,299,311,310,554],"yoast_head":"\nConsequences of ocean acidification on marine animals - Mind the Graph Blog<\/title>\n<meta name=\"description\" content=\"Scientists estimate that the oceans absorbed one-third of all the carbon dioxide produced by human activities causing ocean acidification\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mindthegraph.com\/blog\/lv\/okeana-paskabinasanas-sekas\/\" \/>\n<meta property=\"og:locale\" content=\"lv_LV\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Consequences of ocean acidification on marine animals - 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