{"id":12249,"date":"2021-02-08T10:56:32","date_gmt":"2021-02-08T12:56:32","guid":{"rendered":"https:\/\/mindthegraph.com\/blog\/?p=12249"},"modified":"2023-01-05T14:52:59","modified_gmt":"2023-01-05T17:52:59","slug":"dinosaurs-in-the-21st-century","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/ro\/dinozauri-in-secolul-xxi\/","title":{"rendered":"Dinozaurii \u00een secolul XXI"},"content":{"rendered":"<p>Faptul c\u0103 dinozaurii au disp\u0103rut - \u00een urm\u0103 cu aproximativ 65,5 milioane de ani - nu este o noutate pentru nimeni. <\/p>\n\n\n\n<p>Dinozaurii au dominat suprafa\u021ba \u0219i cerul planetei P\u0103m\u00e2nt timp de 140 de milioane de ani, \u00een timp ce noi - oamenii - suntem aici de numai 200 de mii de ani. <\/p>\n\n\n\n<p>Cea mai acceptat\u0103 teorie despre extinc\u021bia \u00een mas\u0103 este c\u0103 un asteroid a provocat moartea a aproape tot ce era viu pe P\u0103m\u00e2nt - inclusiv a dinozaurilor - cauz\u00e2nd sf\u00e2r\u0219itul erei reptilelor.<\/p>\n\n\n\n<p>Analiz\u00e2nd toate datele disponibile despre acest subiect, unii paleobiologi spun c\u0103 dispari\u021bia dinozaurilor ar fi avut loc chiar dac\u0103 asteroidul nu ar fi lovit P\u0103m\u00e2ntul, din cauza unei aparente stagn\u0103ri evolutive a speciilor de dinozauri. <\/p>\n\n\n\n<p>Cu toate acestea, un alt grup de paleobiologi sus\u021bine c\u0103 analiza datelor disponibile a fost evaluat\u0103 \u00een mod eronat, ei spun c\u0103, f\u0103r\u0103 lovitura asteroidului, poate c\u0103 dinozaurii ar fi fost \u00eenc\u0103 aici - \u00een consecin\u021b\u0103, noi nu am fi fost.<\/p>\n\n\n\n<p>Dinozaurii au tr\u0103it \u00eentr-o perioad\u0103 agitat\u0103, P\u0103m\u00e2ntul era un loc cu erup\u021bii vulcanice vaste, temperatura global\u0103 \u0219i nivelul m\u0103rilor se schimbau rapid. <\/p>\n\n\n\n<p>\u00cen 1980, a fost publicat un articol care propunea teoria acceptat\u0103 \u00een prezent, conform c\u0103reia un asteroid ar fi cauzat extinc\u021bia Cretacic-Ter\u021biar, ultima perioad\u0103 de via\u021b\u0103 a dinozaurilor. <\/p>\n\n\n\n<p class=\"has-large-font-size\">Ziua \u00een care asteroidul a lovit P\u0103m\u00e2ntul se nume\u0219te <strong>Cretacic-Paleogen<\/strong> (<strong>K-Pg<\/strong>). Teoria este sus\u021binut\u0103 de dovezile privind existen\u021ba unui strat sub\u021bire de sedimente numit <a href=\"https:\/\/en.wikipedia.org\/wiki\/Cretaceous%E2%80%93Paleogene_boundary\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Grani\u021ba K-Pg<\/strong><\/a>. <\/p>\n\n\n\n<p>Acest strat sub\u021bire con\u021bine niveluri ridicate de <strong>iridiu<\/strong>, un metal rar \u00eent\u00e2lnit pe P\u0103m\u00e2nt, dar foarte prezent \u00een asteroizi.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/02\/dinosaur.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"918\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/02\/dinosaur-1024x918.png\" alt=\"\" class=\"wp-image-12250\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/02\/dinosaur-1024x918.png 1024w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/02\/dinosaur-300x269.png 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/02\/dinosaur-768x689.png 768w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/02\/dinosaur-1536x1378.png 1536w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/02\/dinosaur.png 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/div>\n\n\n<p>Un fapt interesant este c\u0103 stratul de iridiu este prezent \u00een \u00eentreaga lume, dar \u00een Yucat\u00e1n<a href=\"https:\/\/en.wikipedia.org\/wiki\/Yucat%C3%A1n_Peninsula\"> Peninsula<\/a> metalul rar a fost g\u0103sit \u00eentr-o cantitate mult mai mare. <\/p>\n\n\n\n<p>La \u00eenceputul anilor '90, cercet\u0103torii au descoperit craterul asteroidului din<a href=\"https:\/\/en.wikipedia.org\/wiki\/Gulf_of_Mexico\"> <strong>Golful Mexic<\/strong><\/a><strong>,<\/strong> confirm\u00e2nd evenimentul K-Pg.<\/p>\n\n\n\n<p>Calea evolutiv\u0103 a dinozaurilor este \u00eenc\u0103 un subiect care ridic\u0103 dezacorduri \u00een r\u00e2ndul comunit\u0103\u021bii \u0219tiin\u021bifice. <\/p>\n\n\n\n<p>Au fost ridicate mai multe discu\u021bii din cauza diferen\u021belor de prelevare a probelor \u0219i a metodologiilor analitice nestandardizate. <\/p>\n\n\n\n<p>\u00cen\u021belegerea \u0219i reconstituirea pe deplin a diverselor modele din acea perioad\u0103 este extrem de dificil\u0103 \u0219i subiectiv\u0103, deoarece cercet\u0103torii au tendin\u021ba de a avea o prejudecat\u0103 ierarhic\u0103. <\/p>\n\n\n\n<p>\u00cen plus, \u00een \u00eencercarea de a corecta ace\u0219ti factori divergen\u021bi, se aplic\u0103 metode diferite, ceea ce conduce oamenii de \u0219tiin\u021b\u0103 la concluzii diferite.<\/p>\n\n\n\n<p>A\u0219adar, principala discu\u021bie \u00eentre<sup> <\/sup>oamenii de \u0219tiin\u021b\u0103 este dac\u0103 speciile de dinozauri erau \u00een declin chiar \u00eenainte de evenimentul K-Pg sau dac\u0103 diversificarea \u0219i evolu\u021bia speciilor era \u00eenc\u0103 \u00een desf\u0103\u0219urare atunci c\u00e2nd asteroidul a lovit P\u0103m\u00e2ntul.<\/p>\n\n\n\n<p class=\"has-large-font-size\"><a href=\"https:\/\/royalsocietypublishing.org\/doi\/10.1098\/rsos.201195\" target=\"_blank\" rel=\"noreferrer noopener\">\u00centr-un articol publicat \u00een Royal Society Open Science, Bonsor \u0219i colegii s\u0103i de la Universi<\/a>Ty of Bath \u0219i Muzeul de Istorie Natural\u0103 au \u00eencercat s\u0103 g\u0103seasc\u0103 un r\u0103spuns la aceast\u0103 dezbatere. <\/p>\n\n\n\n<p>Folosind arborii evolutivi ai dinozaurilor \u0219i modelarea statistic\u0103 specializat\u0103. Studiul a \u021binut cont de tendin\u021ba de cre\u0219tere \u0219i evolu\u021bie a noilor specii care urcau la acea vreme.<\/p>\n\n\n\n<p>Calea evolutiv\u0103 a speciei de dinozauri a fost marcat\u0103 de multe sui\u0219uri \u0219i cobor\u00e2\u0219uri. <\/p>\n\n\n\n<p>Atunci c\u00e2nd ap\u0103rea o nou\u0103 specie conduc\u0103toare, aceasta tr\u0103ia o perioad\u0103 de timp p\u00e2n\u0103 c\u00e2nd ap\u0103rea o specie mai nou\u0103 \u0219i mai puternic\u0103, provoc\u00e2nd declinul \u0219i dispari\u021bia celei precedente.<\/p>\n\n\n\n<p>\"Studiile anterioare realizate de al\u021bii au folosit diverse metode pentru a trage concluzia c\u0103 dinozaurii ar fi disp\u0103rut oricum, deoarece ace\u0219tia erau \u00een declin spre sf\u00e2r\u0219itul perioadei cretacice. <\/p>\n\n\n\n<p>Cu toate acestea, ar\u0103t\u0103m c\u0103, dac\u0103 extindem setul de date pentru a include arbori genealogici de dinozauri mai recen\u021bi \u0219i un set mai larg de tipuri de dinozauri, rezultatele nu conduc toate la aceast\u0103 concluzie - de fapt, doar aproximativ jum\u0103tate dintre ele o fac\", a declarat Joe Bonsor, autorul principal al studiului, \u00eentr-o declara\u021bie.<\/p>\n\n\n\n<p>Bonsor \u0219i grupul s\u0103u de cercetare nu sus\u021bin teoria conform c\u0103reia dinozaurii erau \u00een declin \u00een perioada K-Pg. Ultimele specii de dinozauri care au fost \u00een cre\u0219tere nu au fost luate \u00een considerare \u00een datele studiilor anterioare. <\/p>\n\n\n\n<p>Ace\u0219tia sus\u021bin c\u0103, dac\u0103 asteroidul nu s-ar fi zdrobit de Peninsula Yucat\u00e1n, dinozaurii ar fi continuat s\u0103 creasc\u0103 \u0219i s\u0103 evolueze, conduc\u00e2nd continuu planeta P\u0103m\u00e2nt.&nbsp;<\/p>\n\n\n\n<p>Cu toate acestea, Bonsor recunoa\u0219te c\u0103 \"prejudec\u0103\u021bile \u00een mare parte inevitabile ale \u00eenregistr\u0103rilor fosile \u0219i lipsa de date pot ar\u0103ta adesea un declin al speciilor\", dar, \u00een acela\u0219i timp, spune el, \u0219tiin\u021ba nu poate \u00een\u021belege pe deplin realitatea din acea perioad\u0103. <\/p>\n\n\n\n<p>\"S-ar putea s\u0103 nu cunoa\u0219tem niciodat\u0103 adev\u0103rata rat\u0103 de evolu\u021bie a dinozaurilor, deoarece singura modalitate de a \u0219ti cu siguran\u021b\u0103 este de a completa lacunele din arhive pentru a ob\u021bine cel mai bun r\u0103spuns, iar noi pur \u0219i simplu nu credem c\u0103 am ajuns \u00eenc\u0103 acolo\", spune Bonsor.<\/p>\n\n\n\n<p>Dac\u0103 nu ar fi existat evenimentul de extinc\u021bie K-Pg, era reptilelor nu s-ar fi \u00eencheiat niciodat\u0103, iar mamiferele nu ar fi evoluat sau nu ar fi cucerit noi ni\u0219e pe uscat, ceea ce ar fi dus la lumea pe care o cunoa\u0219tem ast\u0103zi. <\/p>\n\n\n\n<p>Dac\u0103 dinozaurii ar fi supravie\u021buit din anumite motive, iar noi am fi tr\u0103it \u00eempreun\u0103, ar fi fost ca unul dintre personajele principale din filmul Jurassic World the Fallen Kingdom, a spus: \"... prima dat\u0103 c\u00e2nd vezi un dinozaur, este ca un miracol, cite\u0219ti despre ei \u00een c\u0103r\u021bi, vezi oasele \u00een muzee, dar nu prea crezi. <\/p>\n\n\n\n<p>Ele sunt ca ni\u0219te mituri. \u0218i apoi vezi c\u0103 primul tr\u0103ie\u0219te\". <\/p>\n\n\n\n<p>Din fericire, - spre deosebire de ceea ce se \u00eent\u00e2mpl\u0103 \u00een film - nu putem vedea niciun dinozaur \u00een via\u021b\u0103, iar ceea ce s-a \u00eent\u00e2mplat cu adev\u0103rat va r\u0103m\u00e2ne un mister pentru noi \u0219i pentru oamenii de \u0219tiin\u021b\u0103. <\/p>\n\n\n\n<p class=\"has-large-font-size\">Deocamdat\u0103, studiul fosilelor este singura modalitate pe care o avem pentru a \u00een\u021belege mai bine realitatea dinozaurilor. &nbsp;<\/p>\n\n\n\n<p>Da, toat\u0103 lumea, Mind the Graph are ilustra\u021bii de dinozauri pe care le pute\u021bi folosi. Le pute\u021bi folosi pentru a v\u0103 prezenta cercet\u0103rile \u00eentr-un mod vizual \u0219i atractiv.&nbsp;<\/p>\n\n\n\n<p>Cu Mind the Graph pute\u021bi crea ilustra\u021bii, \u0219abloane infografice \u0219i abstracte grafice folosind galeria noastr\u0103 de ilustra\u021bii disponibile, de la <a href=\"https:\/\/app.mindthegraph.com\/illustrations\/subcategory\/earth-sciences\" target=\"_blank\" rel=\"noreferrer noopener\">\u0219tiin\u021bele p\u0103m\u00e2ntului<\/a> la <a href=\"https:\/\/app.mindthegraph.com\/illustrations\/subcategory\/geography\">geografie<\/a>.<\/p>\n\n\n\n<p>Dar, dac\u0103 ave\u021bi nevoie de o ilustra\u021bie foarte specific\u0103, o vom proiecta pentru dumneavoastr\u0103! Dac\u0103 nu g\u0103si\u021bi resursele perfecte pentru a v\u0103 comunica \u0219tiin\u021ba, pute\u021bi conta pe serviciul nostru la cerere. Toate realizate special pentru dvs. de c\u0103tre designeri profesioni\u0219ti \u0219i curatoriate de echipa noastr\u0103 de \u0219tiin\u021b\u0103.<\/p>\n\n\n\n<p>\u00cencepe\u021bi s\u0103 utiliza\u021bi Mind the Graph <a href=\"https:\/\/app.mindthegraph.com\/auth\/register\" target=\"_blank\" rel=\"noreferrer noopener\">chiar acum.<\/a>.&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Faptul c\u0103 dinozaurii au disp\u0103rut - \u00een urm\u0103 cu aproximativ 65,5 milioane de ani - nu este o noutate pentru nimeni. Dinozaurii au dominat suprafa\u021ba \u0219i cerul planetei P\u0103m\u00e2nt timp de 140 de milioane de ani, \u00een timp ce noi - oamenii - suntem aici doar de 200 de mii de ani. Cea mai acceptat\u0103 teorie despre extinc\u021bia \u00een mas\u0103 este c\u0103 un asteroid a provocat moartea [...]<\/p>","protected":false},"author":4,"featured_media":12251,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[959,28],"tags":[826,96,554,250,964,775],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Dinosaurs in the 21st Century - Mind The Graph<\/title>\n<meta name=\"description\" content=\"If the asteroid hasn&#039;t hit the earth, dinosaurs would be here in the 21st century. 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He has a Ph.D. and solid scientific background in Psychopharmacology and experience as a Guest Researcher at the Max Planck Institute of Psychiatry (Germany) and Researcher in D'Or Institute for Research and Education (IDOR, Brazil). Fabricio holds over 2500 citations in Google Scholar. He has 10 years of experience in small innovative businesses, with relevant experience in product design and innovation management. Connect with him on LinkedIn - Fabricio Pamplona.","sameAs":["http:\/\/mindthegraph.com","https:\/\/www.linkedin.com\/in\/fabriciopamplona"],"url":"https:\/\/mindthegraph.com\/blog\/ro\/author\/fabricio\/"}]}},"_links":{"self":[{"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/posts\/12249"}],"collection":[{"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/comments?post=12249"}],"version-history":[{"count":3,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/posts\/12249\/revisions"}],"predecessor-version":[{"id":26050,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/posts\/12249\/revisions\/26050"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/media\/12251"}],"wp:attachment":[{"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/media?parent=12249"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/categories?post=12249"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/tags?post=12249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}