{"id":16185,"date":"2023-12-06T14:14:07","date_gmt":"2023-12-06T14:14:07","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=16185"},"modified":"2023-12-06T14:14:07","modified_gmt":"2023-12-06T14:14:07","slug":"cicadas-emerge-after-17-years-disrupting-daily-life","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/zoology\/cicadas-emerge-after-17-years-disrupting-daily-life\/","title":{"rendered":"Zp\u00edvaj\u00edc\u00ed invaze cik\u00e1d: Bzu\u010div\u00fd fenom\u00e9n s ne\u010dekan\u00fdmi d\u016fsledky"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Periodick\u00e9 cik\u00e1dy se objevuj\u00ed po 17 letech hibernace<\/h2>\n\n<p>Po 17 letech str\u00e1ven\u00fdch pod zem\u00ed se v 14 st\u00e1tech a ve Washingtonu, D.C. objevily miliardy cik\u00e1d Brood X. Tyto periodick\u00e9 cik\u00e1dy, zn\u00e1m\u00e9 sv\u00fdmi v\u00fdrazn\u00fdmi p\u00edsn\u011bmi o hlasitosti 100 decibel\u016f, daly o sv\u00e9 p\u0159\u00edtomnosti v\u011bd\u011bt r\u016fzn\u00fdmi p\u0159ekvapiv\u00fdmi zp\u016fsoby.<\/p>\n\n<h2 class=\"wp-block-heading\">Naru\u0161en\u00ed ka\u017edodenn\u00edho \u017eivota<\/h2>\n\n<p>Obrovsk\u00e9 mno\u017estv\u00ed cik\u00e1d naru\u0161ilo ka\u017edodenn\u00ed \u017eivot. Jejich ne\u00fanavn\u00fd zp\u011bv byl v n\u011bkter\u00fdch oblastech t\u00e9m\u011b\u0159 nevyhnuteln\u00fd a jejich svle\u010dky nymf pokryly zem. Jejich dopad se v\u0161ak net\u00fdkal pouze hlukov\u00e9ho zne\u010di\u0161t\u011bn\u00ed.<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Zpo\u017ed\u011bn\u00ed letadel:<\/strong> Cik\u00e1dy zp\u016fsobily zpo\u017ed\u011bn\u00ed letadel, v\u010detn\u011b letadla tiskov\u00e9ho sboru B\u00edl\u00e9ho domu. Hmyz se dostal do motor\u016f letadla a zp\u016fsobil mechanick\u00e9 probl\u00e9my.<\/li>\n<li><strong>Autonehody:<\/strong> Cik\u00e1dy byly zodpov\u011bdn\u00e9 tak\u00e9 za autonehody. V Cincinnati vlet\u011bla cik\u00e1da do auta a zas\u00e1hla \u0159idi\u010de do obli\u010deje, co\u017e zp\u016fsobilo, \u017ee \u0159idi\u010d prudce strhl \u0159\u00edzen\u00ed a narazil do sloupu.<\/li>\n<li><strong>Ru\u0161en\u00ed radaru:<\/strong> Obrovsk\u00e9 hejno cik\u00e1d dokonce ru\u0161ilo meteorologick\u00fd radar. P\u0159\u00edtomnost hmyzu vytvo\u0159ila \u201ebiologick\u00e9 hejno\u201c, kter\u00e9 zahltilo radarov\u00e9 sn\u00edmky a zt\u011b\u017eovalo detekci jin\u00fdch vzorc\u016f po\u010das\u00ed.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Cik\u00e1dy a doprava<\/h2>\n\n<p>V\u00fdskyt cik\u00e1d ovlivnil tak\u00e9 dopravu jin\u00fdmi zp\u016fsoby. Cik\u00e1dy byly spat\u0159eny, jak stopuj\u00ed na Air Force Two, v metru a dokonce i na zadn\u00ed kame\u0159e auta.<\/p>\n\n<h2 class=\"wp-block-heading\">Chov\u00e1n\u00ed hmyzu a lidsk\u00e9 reakce<\/h2>\n\n<p>Cik\u00e1dy neum\u00ed bodat ani kousat, ale jejich velk\u00e1 velikost a nep\u0159edv\u00eddateln\u00e9 letov\u00e9 dr\u00e1hy mohou lidi vyd\u011bsit. To vedlo k emocion\u00e1ln\u00edm p\u0159ehnan\u00fdm reakc\u00edm a dokonce k nehod\u00e1m.<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Faktor strachu:<\/strong> Mnoho lid\u00ed m\u00e1 neopodstatn\u011bn\u00fd strach z hmyzu, co\u017e m\u016f\u017ee v\u00e9st k panice a nebezpe\u010dn\u00e9mu chov\u00e1n\u00ed za volantem, kdy\u017e jsou p\u0159\u00edtomny cik\u00e1dy.<\/li>\n<li><strong>Nep\u0159edv\u00eddateln\u00e9 pohyby:<\/strong> Cik\u00e1dy mohou m\u00edt nep\u0159edv\u00eddateln\u00e9 letov\u00e9 dr\u00e1hy, co\u017e m\u016f\u017ee p\u0159ekvapit \u0159idi\u010de a chodce.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Cik\u00e1dy a meteorologick\u00fd radar<\/h2>\n\n<p>Meteorologov\u00e9 se domn\u00edvaj\u00ed, \u017ee meteorologick\u00fd radar dok\u00e1zal detekovat aktivitu cik\u00e1d, proto\u017ee hmyz bzu\u010d\u00ed kolem vrcholk\u016f strom\u016f. Rozmazanost na radarov\u00fdch sn\u00edmc\u00edch byla obzvl\u00e1\u0161t\u011b hust\u00e1 na vrcholc\u00edch strom\u016f, co\u017e nazna\u010duje, \u017ee cik\u00e1dy p\u0159isp\u00edvaj\u00ed k ru\u0161iv\u00fdm radarov\u00fdm sign\u00e1l\u016fm.<\/p>\n\n<h2 class=\"wp-block-heading\">\u017divotn\u00ed cyklus a odchod<\/h2>\n\n<p>Koncem \u010dervna cik\u00e1dov\u00e9 \u0161\u00edlenstv\u00ed skon\u010d\u00ed. Sami\u010d\u00ed cik\u00e1dy nakladou stovky vaj\u00ed\u010dek ka\u017ed\u00e1 do v\u011btv\u00ed strom\u016f a dosp\u011bl\u00e9 cik\u00e1dy uhynou. Za \u0161est a\u017e deset t\u00fddn\u016f se vaj\u00ed\u010dka vyl\u00edhnou a mal\u00e9 nymfy spadnou na zem, zahrabou se do p\u016fdy a za\u010dnou sv\u00e9 vlastn\u00ed 17let\u00e9 \u010dek\u00e1n\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"<p>Periodick\u00e9 cik\u00e1dy se objevuj\u00ed po 17 letech hibernace Po 17 letech str\u00e1ven\u00fdch pod zem\u00ed se v 14 st\u00e1tech a ve Washingtonu, D.C. objevily miliardy cik\u00e1d Brood X. Tyto periodick\u00e9 cik\u00e1dy,&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[280],"tags":[21466,21465,254,21468,21467,252],"class_list":["post-16185","post","type-post","status-publish","format-standard","hentry","category-zoology","tag-brood-x","tag-cicadas","tag-wildlife","tag-insect-invasion","tag-periodical-cicadas","tag-nature"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/16185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=16185"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/16185\/revisions"}],"predecessor-version":[{"id":16186,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/16185\/revisions\/16186"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=16185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=16185"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=16185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}