{"id":212940,"date":"2022-08-09T14:31:00","date_gmt":"2022-08-09T11:31:00","guid":{"rendered":"https:\/\/howtogeek.inform.com.de\/?p=212940"},"modified":"2022-04-07T18:56:13","modified_gmt":"2022-04-07T15:56:13","slug":"gentoo-pingviner-kan-vara-fyra-arter-istaellet-foer-en","status":"publish","type":"post","link":"https:\/\/howtogeek.inform.com.de\/sv\/gentoo-pingviner-kan-vara-fyra-arter-istaellet-foer-en\/","title":{"rendered":"Gentoo-pingviner kan vara fyra arter ist\u00e4llet f\u00f6r en"},"content":{"rendered":"<p><a href=\"https:\/\/www.shutterstock.com\/image-photo\/gentoo-penguin-runs-over-snow-antarctica-562397380\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">vladsilver\/Shutterstock<\/a><\/p>\n<p>Forskare kanske \u00e4ndrar hur vi definierar olika arter i pingvinriket. De s\u00e4ger att gentoopingvinen kan vara fyra arter snarare \u00e4n en. Nya bevis visar att f\u00e5glarna \u00e4r n\u00e5got olika i form och storlek, med variationer i deras DNA.<\/p>\n<p>Forskare tror att om man r\u00e4knar dem som separata arter kommer det att hj\u00e4lpa till att \u00f6vervaka potentiella nedg\u00e5ngar i populationen. Genom att g\u00f6ra f\u00f6r\u00e4ndringen kan antalet pingvinarter \u00f6ka fr\u00e5n 18 till 21.<\/p>\n<p>Dr Jane Younger fr\u00e5n Milner Center for Evolution vid University of Bath h\u00e4vdar (via <a href=\"https:\/\/redirect.viglink.com\/?key=204a528a336ede4177fff0d84a044482&#038;u=https%3A%2F%2Fwww.bbc.com%2Fnews%2Fscience-environment-54817124\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">BBC<\/a>) att \u00e4ven om de kan se likadana ut p\u00e5 utsidan, vilket g\u00f6r dem sv\u00e5ra att skilja dem \u00e5t, indikerar deras genetiska sammans\u00e4ttning &quot;mycket tydligt&quot; att dessa \u00e4r fyra separata arter.<\/p>\n<p>Tyv\u00e4rr st\u00e5r pingviner inf\u00f6r stora problem i v\u00e4rlden, inklusive \u00f6verfiske, klimatf\u00f6r\u00e4ndringar och plastf\u00f6roreningar. Specifikt gentoo-befolkningen klarar sig ganska bra n\u00e4r det g\u00e4ller klimatf\u00f6r\u00e4ndringar, men forskare tror att andra kanske inte har lika tur. Vissa populationer kanske inte har \u00f6vervakats p\u00e5 \u00e5rtionden.<\/p>\n<p>Younger tror att vissa nordliga befolkningar kan flytta s\u00f6derut n\u00e4r klimatet b\u00f6rjar bli varmare p\u00e5 grund av klimatf\u00f6r\u00e4ndringarna. Men gentoo-pingviner verkar vara &quot;ganska stabila i antal.&quot; Detta tyder p\u00e5 att de b\u00f6rjar isolera sig till en punkt d\u00e4r de inte korsar sig, trots att de enkelt kan simma str\u00e4ckan.<\/p>\n<p>Forskare h\u00e4vdar att det \u00e4r d\u00e4rf\u00f6r de b\u00f6r betraktas som fyra olika arter. De lever p\u00e5 olika breddgrader p\u00e5 s\u00f6dra halvklotet, i Antarktis och l\u00e4ngre norrut. Om de lyckas dela upp arter i fyra har vi namnf\u00f6rslag. Beh\u00e5ll <a href=\"https:\/\/www.gentoo.org\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">Gentoo<\/a> och l\u00e4gg till <a href=\"https:\/\/www.debian.org\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">Debian<\/a>, <a href=\"https:\/\/getfedora.org\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">Fedora<\/a> och <a href=\"https:\/\/zorinos.com\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">Zorin<\/a>.<\/p>\n<p>K\u00e4lla: <a href=\"https:\/\/onlinelibrary.wiley.com\/journal\/20457758\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">Ecology and Evolution Journal<\/a> via <a href=\"https:\/\/redirect.viglink.com\/?key=204a528a336ede4177fff0d84a044482&#038;u=https%3A%2F%2Fwww.bbc.com%2Fnews%2Fscience-environment-54817124\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">BBC<\/a><\/p>\n<p><div id=\"PostUnique_PostSource\" style=\"padding-top: 50px\">Inspelningsk\u00e4lla:  <a target=\"_blank\" rel=\"noopener nofollow\" href=\"\/\/www.reviewgeek.com\" class=\"external external_icon\">www.reviewgeek.com<\/a><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Forskare kanske \u00e4ndrar hur vi definierar olika arter i pingvinriket. De s\u00e4ger att gentoopingvinen kan vara fyra arter snarare \u00e4n en. Nya bevis visar att f\u00e5glarna \u00e4r n\u00e5got olika i form och storlek, med variationer i deras DNA.<\/p>\n","protected":false},"author":1,"featured_media":173173,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wp_rev_ctl_limit":""},"categories":[],"tags":[],"class_list":["post-212940","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/howtogeek.inform.com.de\/sv\/wp-json\/wp\/v2\/posts\/212940","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/howtogeek.inform.com.de\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/howtogeek.inform.com.de\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/howtogeek.inform.com.de\/sv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/howtogeek.inform.com.de\/sv\/wp-json\/wp\/v2\/comments?post=212940"}],"version-history":[{"count":0,"href":"https:\/\/howtogeek.inform.com.de\/sv\/wp-json\/wp\/v2\/posts\/212940\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/howtogeek.inform.com.de\/sv\/wp-json\/wp\/v2\/media\/173173"}],"wp:attachment":[{"href":"https:\/\/howtogeek.inform.com.de\/sv\/wp-json\/wp\/v2\/media?parent=212940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/howtogeek.inform.com.de\/sv\/wp-json\/wp\/v2\/categories?post=212940"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/howtogeek.inform.com.de\/sv\/wp-json\/wp\/v2\/tags?post=212940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}