{"id":90562,"date":"2022-02-18T20:24:00","date_gmt":"2022-02-18T18:24:00","guid":{"rendered":"https:\/\/life.karpat.in.ua\/?p=90562"},"modified":"2022-02-18T01:29:11","modified_gmt":"2022-02-17T23:29:11","slug":"elszabadult-vilagito-halak-jelentik-az-ujabb-okologiai-problemat","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=90562&lang=hu","title":{"rendered":"Elszabadult vil\u00e1g\u00edt\u00f3 halak jelentik az \u00fajabb \u00f6kol\u00f3giai probl\u00e9m\u00e1t"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>A genetikailag m\u00f3dos\u00edtott, k\u00e9ken, z\u00f6lden vagy v\u00f6r\u00f6sen fluoreszk\u00e1l\u00f3 halak komoly n\u00e9pszer\u0171s\u00e9gnek \u00f6rvendenek az akvarist\u00e1k k\u00f6r\u00e9ben. B\u00e1r k\u00e9ts\u00e9gtelen\u00fcl sz\u00e9pek, hamarosan s\u00falyos probl\u00e9m\u00e1t okozhatnak Braz\u00edli\u00e1ban.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Egy a <a href=\"https:\/\/www.science.org\/content\/article\/transgenic-glowing-fish-invades-brazilian-streams\" target=\"_blank\" rel=\"noreferrer noopener\">Science<\/a>-ben megjelent tanulm\u00e1ny szerint az \u00e1llatok, amelyek term\u00e9szetes f\u00e9nyben is sokkal \u00e9l\u00e9nkebbek, mint a zebrahalak, kijutottak Braz\u00edlia d\u00e9lkeleti halgazdas\u00e1gaib\u00f3l, \u00e9s mostanra elszaporodtak az Atlanti-parti Es\u0151erd\u0151 Rezerv\u00e1tum vizeiben. Mindez ritka p\u00e9ld\u00e1ja annak, hogy egy g\u00e9nm\u00f3dos\u00edtott \u00e9l\u0151l\u00e9ny megtelepszik a k\u00f6rnyezetben, a biol\u00f3gusok azonban att\u00f3l tartanak, hogy vesz\u00e9lyeztetni fogj\u00e1k a helyi faun\u00e1t a bolyg\u00f3 biol\u00f3giai szempontb\u00f3l egyik legv\u00e1ltozatosabb hely\u00e9n.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"677\" src=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2022\/02\/halak-1024x677.jpg\" alt=\"\" class=\"wp-image-90563\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2022\/02\/halak-1024x677.jpg 1024w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2022\/02\/halak-300x198.jpg 300w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2022\/02\/halak-768x508.jpg 768w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2022\/02\/halak.jpg 1216w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Jean Vitule, a brazil Parana \u00c1llami Egyetem \u00f6kol\u00f3gusa szerint a k\u00f6vetkezm\u00e9nyek bel\u00e1thatatlanok. El\u0151fordulhat ugyanis, hogy a fluoreszk\u00e1l\u00e1st lehet\u0151v\u00e9 t\u00e9v\u0151 g\u00e9nek beker\u00fclhetnek az \u0151shonos halak g\u00e9n\u00e1llom\u00e1ny\u00e1ba, \u00edgy pedig jobban l\u00e1that\u00f3v\u00e1 v\u00e1lnak a ragadoz\u00f3k sz\u00e1m\u00e1ra.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A szakemberek a zebrahalakat (Danio rerio) \u00e9vek \u00f3ta haszn\u00e1lj\u00e1k a k\u00fcl\u00f6nb\u00f6z\u0151 kutat\u00e1sokhoz. Az eredetileg D\u00e9lkelet-\u00c1zsi\u00e1ban \u0151shonos \u00e1llat g\u00e9nszerkezet\u00e9t \u00fagy alak\u00edtott\u00e1k \u00e1t az 1990-es \u00e9vek v\u00e9g\u00e9n, hogy k\u00e9k, z\u00f6ld \u00e9s v\u00f6r\u00f6s sz\u00ednben vil\u00e1g\u00edtsanak. A 2000-es \u00e9vekben azt\u00e1n a kereskedelem is megl\u00e1tta benne a lehet\u0151s\u00e9get, nem sokkal k\u00e9s\u0151bb pedig m\u00e1r v\u00e1s\u00e1rolni is lehetett bel\u0151l\u00fck.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A szakemberek viszont r\u00e9g\u00f3ta agg\u00f3dnak emiatt, ez\u00e9rt bizonyos ter\u00fcleteken \u2013 p\u00e9ld\u00e1ul Kaliforni\u00e1ban \u00e9s Braz\u00edli\u00e1ban \u2013 megtiltott\u00e1k az \u00e1rus\u00edt\u00e1sukat \u2013 pont az\u00e9rt, nehogy k\u00e1rt tegyenek a term\u00e9szetben.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2014-ben m\u00e1r tal\u00e1ltak egy szabadon \u00fasz\u00f3 \u00e1llatot Florid\u00e1n\u00e1l, de az v\u00e9g\u00fcl nem szaporodott el \u2013 val\u00f3sz\u00edn\u0171leg \u00e1ldozatul esett egy ragadoz\u00f3 halnak. Braz\u00edli\u00e1ban az els\u0151 szabadon \u00fasz\u00f3 csapatot 2015-ben fedezt\u00e9k fel. Val\u00f3sz\u00edn\u0171leg \u00fagy sz\u00f6khettek meg, hogy a halgazdas\u00e1gok viz\u00e9t a helyi term\u00e9szetes vizekbe engedik.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Itt azonban nincsenek olyan ragadoz\u00f3k, amelyek vesz\u00e9lyesek lenn\u00e9nek az \u00e1llatokra. A szakemberek r\u00e1ad\u00e1sul azt tal\u00e1lt\u00e1k, hogy amellett, hogy eg\u00e9sz \u00e9vben k\u00e9pesek szaporodni ezek a halak, a g\u00e9nm\u00f3dos\u00edt\u00e1s miatt az ivar\u00e9retts\u00e9g\u00fcket is hamarabb \u00e9rik el. A<a href=\"https:\/\/www.tandfonline.com\/doi\/full\/10.1080\/01650521.2021.2024054?src=\" target=\"_blank\" rel=\"noreferrer noopener\"> Studies on Neotropical Fauna and Environment<\/a> tudom\u00e1nyos szaklapban k\u00f6zz\u00e9tett kutat\u00e1si eredm\u00e9nyb\u0151l pedig az is kider\u00fclt, hogy az \u00e9tv\u00e1gyuk is kiv\u00e1l\u00f3, \u00e9s nagyon j\u00f3l elvannak azokkal a rovarokkal, alg\u00e1kkal, amelyeket a helyi vizekben tal\u00e1lnak.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A szakemberek szerint j\u00f3 h\u00edr, hogy az inv\u00e1zi\u00f3 m\u00e9g mindig csak az els\u0151 szakasz\u00e1ban j\u00e1r, vagyis van m\u00e9g id\u0151 cselekedni.<\/p>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\"><strong><a href=\"https:\/\/m.hvg.hu\/tudomany\/20220217_vilagito_hal_zebrahal_brazilia#rss\" target=\"_blank\" rel=\"noreferrer noopener\">(hvg.hu)<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A genetikailag m\u00f3dos\u00edtott, k\u00e9ken, z\u00f6lden vagy v\u00f6r\u00f6sen fluoreszk\u00e1l\u00f3 halak komoly n\u00e9pszer\u0171s\u00e9gnek \u00f6rvendenek az akvarist\u00e1k k\u00f6r\u00e9ben. B\u00e1r k\u00e9ts\u00e9gtelen\u00fcl sz\u00e9pek, hamarosan s\u00falyos probl\u00e9m\u00e1t okozhatnak Braz\u00edli\u00e1ban.<\/p>\n","protected":false},"author":12,"featured_media":90563,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,596,11,592,598,39],"tags":[83184,2010,11264,7393,83183],"class_list":["post-90562","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-erdekes","category-kiemelt-tema","category-tarsadalom","category-tudomany","category-vilag","tag-atlanti-parti-esoerdo-rezervatum","tag-brazilia","tag-genmodositas","tag-okoszisztema","tag-vilagito-halak"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/90562","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=90562"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/90562\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/90563"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=90562"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=90562"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=90562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}