{"id":30946,"date":"2020-09-28T19:56:57","date_gmt":"2020-09-28T16:56:57","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=30946"},"modified":"2020-09-28T18:42:39","modified_gmt":"2020-09-28T15:42:39","slug":"a-juharfa-egy-faja-ved-a-legjobban-a-karos-uv-sugarzas-ellen","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=30946&lang=hu","title":{"rendered":"A juharfa egy faja v\u00e9d a legjobban a k\u00e1ros UV-sug\u00e1rz\u00e1s ellen"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>A korai juhar\u00a0vagy\u00a0m\u00e1s n\u00e9ven plat\u00e1nlevel\u0171 juhar\u00a0(Acer platanoides) ny\u00fajtja a legnagyobb v\u00e9delmet az emberek sz\u00e1m\u00e1ra a Napb\u00f3l \u00e9rkez\u0151 ultraibolya sug\u00e1rz\u00e1s\u00a0k\u00e1ros hat\u00e1saival szemben &#8211; \u00e1llap\u00edtott\u00e1k meg kanadai szakemberek, akik az Urban Forestry &amp; Urban Greening c\u00edm\u0171 foly\u00f3iratban publik\u00e1lt\u00e1k eredm\u00e9nyeiket.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/09\/fa169-1024x576.jpg\" alt=\"\" class=\"wp-image-30947\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/09\/fa169-1024x576.jpg 1024w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/09\/fa169-300x169.jpg 300w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/09\/fa169-768x432.jpg 768w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/09\/fa169.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A Toront\u00f3i Egyetem kutat\u00f3i 16 olyan fafaj 64 p\u00e9ld\u00e1ny\u00e1t tanulm\u00e1nyozt\u00e1k, amelyek a toront\u00f3i iskolaudvarokon \u00e9s k\u00f6zparkokban leggyakrabban el\u0151fordul\u00f3 fajok k\u00f6z\u00e9 tartoznak &#8211; \u00edrja a BBC h\u00edrport\u00e1lja.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A szakemberek k\u00e9t ny\u00e1ron \u00e1t vizsg\u00e1lt\u00e1k, hogy mekkora k\u00fcl\u00f6nbs\u00e9g van az UV-sug\u00e1rz\u00e1s b\u0151rp\u00edrt vagy nap\u00e9g\u00e9st okoz\u00f3 ereje k\u00f6z\u00f6tt a k\u00fcl\u00f6nb\u00f6z\u0151 f\u00e1k koron\u00e1ja \u00e9s a szabad \u00e9g alatt \u00e1llva. A tanulm\u00e1ny egyik t\u00e1rsszerz\u0151je, Sivajanani Sivarajah szerint az \u00e9szaki f\u00e9ltek\u00e9n m\u00e9g soha ezel\u0151tt \u00e9s vil\u00e1gviszonylatban is csup\u00e1n Ausztr\u00e1li\u00e1ban, valamint \u00daj-Z\u00e9landon v\u00e9geztek eddig ilyen kutat\u00e1st. &#8220;A glob\u00e1lis \u00e9ghajlatv\u00e1ltoz\u00e1ssal kapcsolatos el\u0151rejelz\u00e9sek szerint forr\u00f3bb \u00e9s hosszabb nyaraknak n\u00e9z\u00fcnk el\u00e9be itt \u00e9szakon&#8221; &#8211; mondta a szakember. Hozz\u00e1tette: &#8220;\u00fagy v\u00e9lem, hogy fel kellene k\u00e9sz\u00fcln\u00fcnk ezekre a glob\u00e1lis k\u00f6rnyezeti v\u00e1ltoz\u00e1sokra \u00e9s eg\u00e9szs\u00e9ges, \u00e9lhet\u0151 v\u00e1rosok tervez\u00e9s\u00e9ben kell gondolkodnunk&#8221;. &#8220;A v\u00e1rosi k\u00f6rnyezetben a Napb\u00f3l \u00e9rkez\u0151 ultraibolya\u00a0sug\u00e1rz\u00e1s\u00a0visszaver\u0151dik az \u00e9p\u00edtett szerkezetekr\u0151l \u00e9s kem\u00e9ny talajfel\u00fcletekr\u0151l. Az egyik m\u00f3dja annak, hogy cs\u00f6kkents\u00fck az UV-visszaver\u0151d\u00e9s hat\u00e1sait, a lombkoronafedetts\u00e9g n\u00f6vel\u00e9se, \u00e9s ez k\u00fcl\u00f6n\u00f6sen fontos az olyan v\u00e1rosi ter\u00fcleteken, ahol a beton \u00e9s egy\u00e9b kem\u00e9ny fel\u00fcletek miatt az emberek ki vannak t\u00e9ve a fokozott UV-sug\u00e1rz\u00e1s kock\u00e1zatainak&#8221; &#8211; h\u00fazt\u00e1k al\u00e1 a kutat\u00f3k tanulm\u00e1nyukban.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A szakemberek szerint a korai juhar\u00a0ut\u00e1n a k\u00e9tsz\u00edn\u0171 t\u00f6lgy, az ostorfa \u00e9s az eur\u00f3pai b\u00fckk\u00a0ny\u00fajtja a legnagyobb v\u00e9delmet &#8211; ezeknek a f\u00e1knak az \u00e1rny\u00e9k\u00e1ban h\u00e1romszor annyi ideig maradhat az ember a szabadban, mintha v\u00e9delem n\u00e9lk\u00fcl menne ki a napf\u00e9nyre -, m\u00edg a legalacsonyabb v\u00e9delmet a v\u00f6r\u00f6s juhar\u00a0(Acer rubrum)\u00a0\u00e9s a p\u00e1fr\u00e1nyfeny\u0151\u00a0(Ginkgo biloba) ny\u00fajtja a vizsg\u00e1lt fajok k\u00f6z\u00fcl.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A kutat\u00f3k azt is meg\u00e1llap\u00edtott\u00e1k, hogy a s\u0171r\u0171bb \u00e9s kiterjedtebb lombkoron\u00e1j\u00fa f\u00e1k, valamint az \u00e1rny\u00e9kot jobban toler\u00e1l\u00f3 fajok nagyobb v\u00e9delmet biztos\u00edtanak.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MTI<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A Toront\u00f3i Egyetem kutat\u00f3i  k\u00e9t ny\u00e1ron \u00e1t vizsg\u00e1lt\u00e1k, hogy mekkora k\u00fcl\u00f6nbs\u00e9g van az UV-sug\u00e1rz\u00e1s b\u0151rp\u00edrt vagy nap\u00e9g\u00e9st okoz\u00f3 ereje k\u00f6z\u00f6tt a k\u00fcl\u00f6nb\u00f6z\u0151 f\u00e1k koron\u00e1ja \u00e9s a szabad \u00e9g alatt \u00e1llva. <\/p>\n","protected":false},"author":10,"featured_media":30947,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,598],"tags":[710,4696],"class_list":["post-30946","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-tudomany","tag-kutatas","tag-termeszet"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/30946","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\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=30946"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/30946\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/30947"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=30946"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=30946"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=30946"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}