{"id":30649,"date":"2020-09-25T21:46:09","date_gmt":"2020-09-25T18:46:09","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=30649"},"modified":"2020-09-25T17:36:02","modified_gmt":"2020-09-25T14:36:02","slug":"a-madarak-eneke-is-megvaltozott-a-karanten-alatt","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=30649&lang=hu","title":{"rendered":"A madarak \u00e9neke is megv\u00e1ltozott a karant\u00e9n alatt"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>A madarak \u00e9nekhangjai is megv\u00e1ltoztak a vil\u00e1gj\u00e1rv\u00e1ny miatti korl\u00e1toz\u00e1sok idej\u00e9n &#8211; \u00e1llap\u00edtotta meg egy friss amerikai tanulm\u00e1ny.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"562\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/09\/madar169.jpg\" alt=\"\" class=\"wp-image-30650\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/09\/madar169.jpg 1000w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/09\/madar169-300x169.jpg 300w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/09\/madar169-768x432.jpg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Elizabeth Derryberry, a knoxville-i Tennessee-i Egyetem \u00f6kol\u00f3giai \u00e9s evol\u00faci\u00f3s biol\u00f3giai tansz\u00e9k\u00e9nek kutat\u00f3ja \u00e9vek \u00f3ta tanulm\u00e1nyozza, hogyan befoly\u00e1solja a madarak \u00e9nek\u00e9t a zajszennyez\u00e9s.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>&#8220;J\u00f3l hallott\u00e1k az emberek, hogy a karant\u00e9n alatt m\u00e1sk\u00e9pp \u00e9nekeltek a madarak: amikor mi elhallgattunk, \u0151k t\u00f6lt\u00f6tt\u00e9k ki hangokkal a teret. Mi felhagytunk a zajong\u00e1ssal, a csendet elfoglalt\u00e1k a madarak, \u00e9s azt hiszem, ez sok mindent elmond arr\u00f3l, mekkora az emberi tev\u00e9kenys\u00e9g hat\u00e1sa a mad\u00e1rdalra \u00e9s az \u00e1llatok kommunik\u00e1ci\u00f3j\u00e1ra, k\u00fcl\u00f6n\u00f6sen a v\u00e1rosokban&#8221; &#8211; mondta el a BBC h\u00edrport\u00e1lj\u00e1nak.<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">A San Francisco-\u00f6b\u00f6l r\u00e9gi\u00f3j\u00e1ban \u00e9l\u0151 koron\u00e1s ver\u00e9bs\u00e1rm\u00e1nyok (Zonotrichia leucophrys) hangad\u00e1s\u00e1nak \u00e9vtizedek \u00f3ta foly\u00f3 kutat\u00e1sa lehet\u0151v\u00e9 tette, hogy a tud\u00f3sok \u00f6sszehasonl\u00edts\u00e1k a popul\u00e1ci\u00f3 karant\u00e9n el\u0151tti \u00e9s alatti \u00e9nek\u00e9t. Meglep\u0151 eredm\u00e9nyre jutottak: a csend h\u00f3napjai alatt a madarak finom\u00edtottak az el\u0151ad\u00e1sm\u00f3djukon, alacsonyabb frekvenci\u00e1n, &#8220;szexibb&#8221; hangon \u00e9nekeltek, hogy p\u00e1rt tal\u00e1ljanak \u00e9s hogy ter\u00fclet\u00fcket megv\u00e9dj\u00e9k.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>&#8220;Amikor a karant\u00e9n alatt cs\u00f6kkent a zajszint, daluk val\u00f3ban szexibbnek hangzott a popul\u00e1ci\u00f3 t\u00f6bbi madara f\u00fcl\u00e9ben. Ez j\u00f3l p\u00e9ld\u00e1zza, milyen gyorsan kigy\u00f3gyul a term\u00e9szet az ember okozta zajszennyez\u00e9s \u00e1rtalmaib\u00f3l&#8221; &#8211; magyar\u00e1zta Derryberry.<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">A tavaszi kij\u00e1r\u00e1si korl\u00e1toz\u00e1sok term\u00e9szetes k\u00eds\u00e9rletk\u00e9nt mutatt\u00e1k meg, hogyan reag\u00e1l az emberi zajokra az \u00e1llatvil\u00e1g. A Golden Gate h\u00edd forgalma az 1950-es szintre esett vissza, a k\u00f6z\u00f6ss\u00e9gi h\u00e1l\u00f3n sokan arr\u00f3l sz\u00e1moltak be, hogy pr\u00e9rifarkasokat l\u00e1ttak s\u00e9t\u00e1lni a vil\u00e1gh\u00edr\u0171 h\u00eddon. A kutat\u00f3 szerint tanulm\u00e1nyuk \u00fajabb adatokkal bizony\u00edtotta, hogy a &#8220;csendes tavasz&#8221; j\u00f3t tett mind az \u00e1llatvil\u00e1gnak, mind az embernek. &#8220;Jav\u00edtja az eg\u00e9szs\u00e9gi \u00e9s a lelki \u00e1llapotot is, ha t\u00f6bb mad\u00e1rdalt hallhatunk&#8221; &#8211; mondta Derryberry.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A jellegzetes fekete-feh\u00e9r cs\u00edkos fej\u0171 koron\u00e1s ver\u00e9bs\u00e1rm\u00e1nyok megtal\u00e1lhat\u00f3k az Egyes\u00fclt \u00c1llamok \u00e9s Kanada legnagyobb r\u00e9sz\u00e9n, \u00e9nek\u00fcket r\u00e9g\u00f3ta kutatj\u00e1k. K\u00fcl\u00f6nb\u00f6z\u0151 alfajai kicsit elt\u00e9r\u0151 hangokat adnak ki, de mindegyikre jellemz\u0151 a finom, f\u00fcttyszer\u0171 bevezet\u00e9s, az ezt k\u00f6vet\u0151 kusza f\u00fctty\u00f6k, majd a lez\u00e1r\u00f3 trill\u00e1z\u00f3 \u00e9nek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A San Francisco-\u00f6b\u00f6l ver\u00e9bs\u00e1rm\u00e1nyainak hangj\u00e1t az 1970-es \u00e9vek \u00f3ta rendszeresen r\u00f6gz\u00edtik. K\u00f6zismert, hogy a v\u00e1rosok k\u00f6rny\u00e9k\u00e9n \u00e9l\u0151 madaraknak az ut\u00f3bbi \u00e9vtizedekben meg kellett v\u00e1ltoztaniuk az \u00e9nek\u00fcket, nagyj\u00e1b\u00f3l \u00fagy, ahogy egy zajos \u00f6sszej\u00f6vetelen az ember \u00f6nk\u00e9ntelen\u00fcl hangosabban kezd besz\u00e9lni.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A tanulm\u00e1ny, amely a San Antoni\u00f3-i Texasi Egyetem \u00e9s a fairfaxi George Mason Egyetem kutat\u00f3i k\u00f6zrem\u0171k\u00f6d\u00e9s\u00e9vel k\u00e9sz\u00fclt, a Science tudom\u00e1nyos lap aktu\u00e1lis sz\u00e1m\u00e1ban jelent meg.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MTI<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A madarak \u00e9nekhangjai is megv\u00e1ltoztak a vil\u00e1gj\u00e1rv\u00e1ny miatti korl\u00e1toz\u00e1sok idej\u00e9n &#8211; \u00e1llap\u00edtotta meg egy friss amerikai tanulm\u00e1ny.<\/p>\n","protected":false},"author":10,"featured_media":30650,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,4383,596,49,598],"tags":[105,4696],"class_list":["post-30649","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-covid-19-hu","category-erdekes","category-hirek","category-tudomany","tag-tanulmany","tag-termeszet"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/30649","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=30649"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/30649\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/30650"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=30649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=30649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=30649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}