{"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\/nb\/dinosaurs-in-the-21st-century\/","title":{"rendered":"Dinosaurer i det 21. \u00e5rhundre"},"content":{"rendered":"<p>At dinosaurene d\u00f8de ut - for rundt 65,5 millioner \u00e5r siden - er ingen nyhet for noen. <\/p>\n\n\n\n<p>Dinosaurene hersket over jordens overflate og himmel i 140 millioner \u00e5r, mens vi mennesker bare har v\u00e6rt her i 200 tusen \u00e5r. <\/p>\n\n\n\n<p>Den mest aksepterte teorien om masseutryddelsen er at en asteroide utslettet nesten alt som levde p\u00e5 jorden - inkludert dinosaurene - og for\u00e5rsaket slutten p\u00e5 reptilenes \u00e6ra.<\/p>\n\n\n\n<p>Noen paleobiologer mener at dinosaurene ville ha d\u00f8dd ut selv om asteroiden ikke hadde truffet jorden, p\u00e5 grunn av en tilsynelatende evolusjon\u00e6r stagnasjon hos dinosaurartene. <\/p>\n\n\n\n<p>En annen gruppe paleobiologer hevder imidlertid at analysen av de tilgjengelige dataene har blitt feilvurdert, og sier at uten asteroidenedslaget ville kanskje dinosaurene fortsatt v\u00e6rt her - og dermed ville ikke vi v\u00e6rt det.<\/p>\n\n\n\n<p>The dinosaurs lived in a turbulent time, Earth was a place with vast volcanic eruptions, global temperature and sea levels were rapidly changing. <\/p>\n\n\n\n<p>I 1980 ble det publisert en artikkel som fremsatte den i dag aksepterte teorien om at en asteroide for\u00e5rsaket utryddelsen i kritt-terti\u00e6rtiden, den siste perioden i dinosaurenes liv. <\/p>\n\n\n\n<p class=\"has-large-font-size\">Dagen da asteroiden traff Jorden, kalles asteroidedagen. <strong>Kritt-paleogen<\/strong> (<strong>K-Pg<\/strong>) utslettelseshendelse. Teorien st\u00f8ttes av bevisene p\u00e5 et tynt lag av sedimenter som kalles <a href=\"https:\/\/en.wikipedia.org\/wiki\/Cretaceous%E2%80%93Paleogene_boundary\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>K-Pg-grensen<\/strong><\/a>. <\/p>\n\n\n\n<p>Dette tynne laget inneholder h\u00f8ye niv\u00e5er av <strong>iridium<\/strong>et metall som er sjeldent p\u00e5 jorden, men som er sv\u00e6rt vanlig i asteroider.<\/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>Et interessant faktum er at laget av iridium finnes over hele verden, men i Yucat\u00e1n<a href=\"https:\/\/en.wikipedia.org\/wiki\/Yucat%C3%A1n_Peninsula\"> Halv\u00f8ya<\/a> ble det sjeldne metallet funnet i mye st\u00f8rre mengder. <\/p>\n\n\n\n<p>P\u00e5 begynnelsen av 90-tallet oppdaget forskere asteroidekrateret i<a href=\"https:\/\/en.wikipedia.org\/wiki\/Gulf_of_Mexico\"> <strong>Mexicogolfen<\/strong><\/a><strong>,<\/strong> som bekrefter K-Pg-hendelsen.<\/p>\n\n\n\n<p>The dinosaur\u2019s evolutionary path is still a topic that raises disagreements among the scientific community. <\/p>\n\n\n\n<p>Flere diskusjoner har oppst\u00e5tt p\u00e5 grunn av forskjeller i pr\u00f8vetaking og ikke-standardiserte analysemetoder. <\/p>\n\n\n\n<p>\u00c5 fullt ut forst\u00e5 og rekonstruere de ulike m\u00f8nstrene i denne perioden er ekstremt vanskelig og subjektivt, ettersom forskere har en tendens til \u00e5 ha en hierarkisk forutinntatthet. <\/p>\n\n\n\n<p>I et fors\u00f8k p\u00e5 \u00e5 korrigere disse avvikende faktorene brukes det dessuten ulike metoder, noe som f\u00f8rer til at forskerne kommer til ulike konklusjoner.<\/p>\n\n\n\n<p>S\u00e5 den viktigste diskusjonen blant<sup> <\/sup>Forskerne lurer p\u00e5 om dinosaurartene var i tilbakegang allerede f\u00f8r K-Pg-hendelsen, eller om artsdiversifiseringen og evolusjonen fortsatt p\u00e5gikk da asteroiden traff jorden.<\/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\">I en artikkel publisert i Royal Society Open Science skriver Bonsor og kolleger fra Universi<\/a>ty of Bath og Natural History Museum fors\u00f8kte \u00e5 finne et svar p\u00e5 denne debatten. <\/p>\n\n\n\n<p>Ved hjelp av dinosaurenes evolusjonstr\u00e6r og spesialisert statistisk modellering. Studien tok hensyn til tendensen til vekst og utvikling av nye arter som var p\u00e5 vei opp p\u00e5 den tiden.<\/p>\n\n\n\n<p>Dinosaurartenes evolusjon\u00e6re vei har v\u00e6rt preget av mange opp- og nedturer. <\/p>\n\n\n\n<p>N\u00e5r en ny herskerart dukket opp, levde den en stund, helt til en ny og sterkere art dukket opp og for\u00e5rsaket den forrige artens tilbakegang og utryddelse.<\/p>\n\n\n\n<p>\"Tidligere studier utf\u00f8rt av andre har brukt ulike metoder for \u00e5 konkludere med at dinosaurene uansett ville ha d\u00f8dd ut, ettersom de var i tilbakegang mot slutten av krittperioden. <\/p>\n\n\n\n<p>However, we show that if you expand the dataset to include more recent dinosaur family trees and a broader set of dinosaur types, the results don\u2019t actually all point to this conclusion \u2013 in fact only about half of them do\u201d, said Joe Bonsor, the lead author of the study in a statement.<\/p>\n\n\n\n<p>Bonsor and his research group do not support the theory that the dinosaurs were in decline by the time of K-Pg. The last dinosaurs\u2019 species who were rising have not been considered into the data of previous studies. <\/p>\n\n\n\n<p>De hevder at hvis asteroiden ikke hadde knust Yucat\u00e1n-halv\u00f8ya, ville dinosaurene ha fortsatt \u00e5 reise seg og utvikle seg, og hersket kontinuerlig over planeten Jorden.&nbsp;<\/p>\n\n\n\n<p>However, Bonsor recognizes that \u201cThe largely unavoidable biases in the fossil record and lack of data can often show a decline in species\u201d, but at the same time, he says, science cannot fully understand the reality of that time. <\/p>\n\n\n\n<p>\"Vi kommer kanskje aldri til \u00e5 f\u00e5 vite den sanne evolusjonshastigheten til dinosaurene, siden den eneste m\u00e5ten \u00e5 vite det sikkert p\u00e5 er \u00e5 fylle hullene i arkivet for \u00e5 f\u00e5 det beste svaret, og vi tror rett og slett ikke at vi er der enn\u00e5\", sier Bonsor.<\/p>\n\n\n\n<p>Hadde det ikke v\u00e6rt for K-Pg-utslettelsen, ville reptilenes \u00e6ra kanskje aldri ha tatt slutt, og pattedyrene ville aldri ha utviklet seg eller erobret nye nisjer p\u00e5 land, noe som ville ha f\u00f8rt til verden slik vi kjenner den i dag. <\/p>\n\n\n\n<p>Hvis dinosaurene av en eller annen grunn hadde overlevd, og vi lever sammen, ville det v\u00e6re som en av hovedpersonene i filmen Jurassic World the Fallen Kingdom, sa: \"... f\u00f8rste gang du ser en dinosaur, er det som et mirakel, du leser om dem i b\u00f8ker, du ser knoklene p\u00e5 museer, men du tror ikke helt p\u00e5 det. <\/p>\n\n\n\n<p>De er som myter. Og s\u00e5 ser du at den f\u00f8rste er levende.\" <\/p>\n\n\n\n<p>Heldigvis kan vi - i motsetning til hva som skjer i filmen - ikke se en eneste dinosaur i live, og det vil forbli et mysterium for oss og for forskerne hva som egentlig skjedde. <\/p>\n\n\n\n<p class=\"has-large-font-size\">Forel\u00f8pig er fossilstudier den eneste m\u00e5ten vi har til \u00e5 forst\u00e5 dinosaurens virkelighet bedre. &nbsp;<\/p>\n\n\n\n<p>Yes everyone, Mind the Graph has dinosaur illustrations for you to use. You can use them to show your research in a visual and attractive way.&nbsp;<\/p>\n\n\n\n<p>With Mind the Graph you can create illustrations, infographics templates, and graphical abstracts using our illustrations gallery available, from <a href=\"https:\/\/app.mindthegraph.com\/illustrations\/subcategory\/earth-sciences\" target=\"_blank\" rel=\"noreferrer noopener\">geovitenskap<\/a> til <a href=\"https:\/\/app.mindthegraph.com\/illustrations\/subcategory\/geography\">Geografi<\/a>.<\/p>\n\n\n\n<p>Men hvis du trenger en helt spesifikk illustrasjon, kan vi designe den for deg! Hvis du ikke finner de perfekte ressursene for \u00e5 kommunisere vitenskapen din, kan du stole p\u00e5 v\u00e5r on demand-tjeneste. Alt er laget spesielt for deg av profesjonelle designere og kuratert av vitenskapsteamet v\u00e5rt.<\/p>\n\n\n\n<p>Begynn \u00e5 bruke Mind the Graph <a href=\"https:\/\/app.mindthegraph.com\/auth\/register\" target=\"_blank\" rel=\"noreferrer noopener\">akkurat n\u00e5<\/a>.&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>At dinosaurene d\u00f8de ut - for rundt 65,5 millioner \u00e5r siden - er ingen nyhet for noen. Dinosaurene hersket p\u00e5 jordens overflate og himmel i 140 millioner \u00e5r, mens vi mennesker bare har v\u00e6rt her i 200 000 \u00e5r. Den mest aksepterte teorien om masseutryddelsen er at en asteroide utl\u00f8ste d\u00f8den [...].<\/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\/nb\/author\/fabricio\/"}]}},"_links":{"self":[{"href":"https:\/\/mindthegraph.com\/blog\/nb\/wp-json\/wp\/v2\/posts\/12249"}],"collection":[{"href":"https:\/\/mindthegraph.com\/blog\/nb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mindthegraph.com\/blog\/nb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/nb\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/nb\/wp-json\/wp\/v2\/comments?post=12249"}],"version-history":[{"count":3,"href":"https:\/\/mindthegraph.com\/blog\/nb\/wp-json\/wp\/v2\/posts\/12249\/revisions"}],"predecessor-version":[{"id":26050,"href":"https:\/\/mindthegraph.com\/blog\/nb\/wp-json\/wp\/v2\/posts\/12249\/revisions\/26050"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/nb\/wp-json\/wp\/v2\/media\/12251"}],"wp:attachment":[{"href":"https:\/\/mindthegraph.com\/blog\/nb\/wp-json\/wp\/v2\/media?parent=12249"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/nb\/wp-json\/wp\/v2\/categories?post=12249"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/nb\/wp-json\/wp\/v2\/tags?post=12249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}