{"id":45358,"date":"2021-02-09T20:31:00","date_gmt":"2021-02-09T18:31:00","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=45358"},"modified":"2021-02-09T02:37:32","modified_gmt":"2021-02-09T00:37:32","slug":"egy-uj-balnafajt-fedeztek-fel-amit-maris-veszelyeztetette-nyilvanitottak","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=45358&lang=hu","title":{"rendered":"Egy \u00faj b\u00e1lnafajt fedeztek fel, amit m\u00e1ris vesz\u00e9lyeztetett\u00e9 nyilv\u00e1n\u00edtottak"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>M\u00e1r most vesz\u00e9lyeztetettek\u00e9 nyilv\u00e1n\u00edtott\u00e1k az Egyes\u00fclt \u00c1llamokban a Rice-b\u00e1ln\u00e1k, melyeket nemr\u00e9g fedeztek fel a Mexik\u00f3i-\u00f6b\u00f6lben.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"450\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/02\/balna.jpg\" alt=\"\" class=\"wp-image-45359\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/02\/balna.jpg 1024w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/02\/balna-300x132.jpg 300w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/02\/balna-768x338.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u00daj b\u00e1lnafajt azonos\u00edtottak kutat\u00f3k az Egyes\u00fclt \u00c1llamok d\u00e9lkeleti partjain\u00e1l, a Mexik\u00f3i-\u00f6b\u00f6lben. A Dale Rice amerikai biol\u00f3gus ut\u00e1n Rice-b\u00e1ln\u00e1nak, Balaenoptera riceinek elnevezett faj k\u00e9pvisel\u0151ib\u0151l kevesebb mint 100 p\u00e9ld\u00e1ny \u00e9l az \u00f6b\u00f6lben.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A fajt kor\u00e1bban a Bryde-b\u00e1lna egy popul\u00e1ci\u00f3j\u00e1nak v\u00e9lt\u00e9k a szakemberek, ugyanakkor felfigyeltek r\u00e1, hogy ez a csoport az \u00f6b\u00f6l \u00e9szakkeleti sark\u00e1ra koncentr\u00e1l\u00f3dik \u00e9s nem keveredik az Indiai-, Atlanti- \u00e9s Csendes-\u00f3ce\u00e1nban is el\u0151fordul\u00f3 Bryde-b\u00e1ln\u00e1kkal, valamint azokkal ellent\u00e9tben a tengerfen\u00e9khez k\u00f6zel t\u00e1pl\u00e1lkozik.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/img3.hvg.hu\/image.aspx?id=38084f89-56eb-442d-95ea-6476c7cef518&amp;view=54bc8a0e-b0dc-4420-8864-2b54f4f60ed5\" alt=\"\"\/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Az amerikai Nemzeti \u00d3ce\u00e1n- \u00e9s L\u00e9gk\u00f6rkutat\u00f3 Hivatal (NOAA) genetikusa, Lynsey Wilcox \u00e9s koll\u00e9g\u00e1i 2000 \u00f3ta gy\u0171jt\u00f6ttek sz\u00f6vetmint\u00e1kat a Rice-b\u00e1ln\u00e1kt\u00f3l. A 36 egyedt\u0151l sz\u00e1rmaz\u00f3 mint\u00e1kat \u00f6sszevetett\u00e9k a Bryde-b\u00e1ln\u00e1k g\u00e9njeivel \u00e9s az eredm\u00e9ny meger\u0151s\u00edtette, hogy k\u00fcl\u00f6n fajr\u00f3l van sz\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A genetikai vizsg\u00e1latokat morfol\u00f3giai elemz\u00e9ssel is kieg\u00e9sz\u00edtett\u00e9k a kutat\u00f3k. M\u00fazeumban \u0151rz\u00f6tt csontmaradv\u00e1nyok, valamint egy 2019 janu\u00e1rj\u00e1ban, Florid\u00e1ban partra vet\u0151d\u00f6tt, 11 m\u00e9teres Balaenoptera ricei csontv\u00e1z\u00e1t is elemezt\u00e9k.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A kopony\u00e1k vizsg\u00e1lata azt mutatta, hogy az \u00fajonnan azonos\u00edtott fajn\u00e1l az orrny\u00edl\u00e1s k\u00f6r\u00fcli csont formailag \u00e9s m\u00e9retben is k\u00fcl\u00f6nb\u00f6zik a Bryde-b\u00e1ln\u00e1k\u00e9t\u0151l \u00e9s a szint\u00e9n k\u00f6zeli rokonnak sz\u00e1m\u00edt\u00f3 tr\u00f3pusi b\u00e1ln\u00e1k\u00e9t\u00f3l.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wilcox szerint a genetikai \u00e9s a csontv\u00e1zbeli k\u00fcl\u00f6nbs\u00e9gek m\u00e1r elegend\u0151ek voltak egy \u00faj faj azonos\u00edt\u00e1s\u00e1nak igazol\u00e1s\u00e1ra.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/img3.hvg.hu\/image.aspx?id=bebf574a-c276-469e-8ae1-7f7e2da559c4&amp;view=54bc8a0e-b0dc-4420-8864-2b54f4f60ed5\" alt=\"\"\/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">A Rice-b\u00e1ln\u00e1k m\u00e1r most vesz\u00e9lyeztetettk\u00e9nt vannak besorolva az Egyes\u00fclt \u00c1llamokban. 2019 \u00e1prilis\u00e1ban a Bryde-b\u00e1ln\u00e1k egy popul\u00e1ci\u00f3jak\u00e9nt terjesztett\u00e9k ki r\u00e1juk a vesz\u00e9lyeztetett fajok t\u00f6rv\u00e9ny\u00e9t, \u00e9s az \u00f6n\u00e1ll\u00f3 fajk\u00e9nt val\u00f3 azonos\u00edt\u00e1sukkal val\u00f3sz\u00edn\u0171leg nem sok minden fog v\u00e1ltozni azon k\u00edv\u00fcl, hogy m\u00f3dos\u00edtj\u00e1k a nev\u00fcket.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A Mexik\u00f3i-\u00f6b\u00f6l \u201elak\u00f3ik\u00e9nt\u201d a b\u00e1ln\u00e1kra egyebek k\u00f6z\u00f6tt az olajsziv\u00e1rg\u00e1s, a haj\u00f3kkal val\u00f3 \u00fctk\u00f6z\u00e9s, az \u00f3ce\u00e1ni zajszennyez\u00e9s \u00e9s a hal\u00e1szfelszerel\u00e9sekbe gabalyod\u00e1s jelent fenyeget\u00e9st.<\/p>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\"><strong><a href=\"https:\/\/m.hvg.hu\/tudomany\/20210208_rice_balna_felfedezes_egyesult_allamok#rss\" target=\"_blank\" rel=\"noreferrer noopener\">(hvg.hu)<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u00e1r most vesz\u00e9lyeztetettek\u00e9 nyilv\u00e1n\u00edtott\u00e1k az Egyes\u00fclt \u00c1llamokban a Rice-b\u00e1ln\u00e1k, melyeket nemr\u00e9g fedeztek fel a Mexik\u00f3i-\u00f6b\u00f6lben.<\/p>\n","protected":false},"author":12,"featured_media":45359,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,596,49,39],"tags":[37870,37872,37871,13581,37873],"class_list":["post-45358","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-erdekes","category-hirek","category-vilag","tag-balnak","tag-mexikoi-obol","tag-rice-balna","tag-uj-faj","tag-veszelyeztett-faj"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/45358","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=45358"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/45358\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/45359"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=45358"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=45358"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=45358"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}