{"id":1344,"date":"2026-02-21T10:08:35","date_gmt":"2026-02-21T10:08:35","guid":{"rendered":"https:\/\/www.europesays.com\/sk\/1344\/"},"modified":"2026-02-21T10:08:35","modified_gmt":"2026-02-21T10:08:35","slug":"jelenia-zver-v-lese-nechava-tajomne-signaly-ktore-ziaria-109-stop-ukazalo-skryty-svet","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/sk\/1344\/","title":{"rendered":"Jelenia zver v lese nech\u00e1va tajomn\u00e9 sign\u00e1ly, ktor\u00e9 \u017eiaria. 109 st\u00f4p uk\u00e1zalo skryt\u00fd svet"},"content":{"rendered":"<p>Objav vedcov nazna\u010duje, \u017ee ich komunik\u00e1cia nemus\u00ed by\u0165 iba pachov\u00e1, ale aj vizu\u00e1lna. Pre \u013eudsk\u00e9 oko v\u0161ak zost\u00e1va nevidite\u013en\u00e1. T\u00edm vedcov z University of Georgia sk\u00famal spr\u00e1vanie samcov Odocoileus virginianus (vo vo\u013enom slovenskom preklade\u00a0jelen\u00edk alebo\u00a0pasrnec virg\u00ednsky \u010di bielochvost\u00fd) po\u010das jesennej ruje. <\/p>\n<p>V obdob\u00ed jesene si samce intenz\u00edvne zna\u010dkuj\u00fa terit\u00f3rium \u2013 tr\u00fa paro\u017eie o kmene stromov aj o p\u00f4du, zhadzuj\u00fa zvy\u0161ky ko\u017ee z rast\u00facich parohov a zanech\u00e1vaj\u00fa pachov\u00e9 stopy prostredn\u00edctvom \u017eliaz, mo\u010du \u010di trusu. Tieto zna\u010dky sa v angli\u010dtine ozna\u010duj\u00fa ako tzv. rubs\u00a0(odreniny na stromoch) a scrapes\u00a0(vy\u0161kraban\u00e9 miesta na zemi).<\/p>\n<p>Ako p\u00ed\u0161e <a href=\"https:\/\/www.sciencealert.com\/deer-create-mysterious-ultraviolet-signals-that-glow-in-forests\" target=\"_blank\" rel=\"noopener nofollow\">Science Alert<\/a>, doteraz sa predpokladalo, \u017ee sl\u00fa\u017eia predov\u0161etk\u00fdm na pachov\u00fa komunik\u00e1ciu. Nov\u00e9 zistenia v\u0161ak nazna\u010duj\u00fa, \u017ee pach nemus\u00ed by\u0165 jedin\u00fdm jazykom, ktor\u00fdm komunikuj\u00fa.<\/p>\n<p>Komunikuj\u00fa pomocou svetla?<\/p>\n<p>Vedci str\u00e1vili v roku 2024 pribli\u017ene dva mesiace v lesnom v\u00fdskumnom are\u00e1li Whitehall s rozlohou 337 hekt\u00e1rov. Presk\u00famali celkovo 109 zna\u010diek na stromoch a 37 vy\u0161kraban\u00fdch miest na zemi.<\/p>\n<p>K jednotliv\u00fdm lokalit\u00e1m sa vracali po zotmen\u00ed s UV baterkami s vlnovou d\u013a\u017ekou 365 a 395 nanometrov. V\u00fdber t\u00fdchto vlnov\u00fdch d\u013a\u017eok nebol n\u00e1hodn\u00fd. Ide o spektrum, ktor\u00e9 sa prirodzene vyskytuje najm\u00e4 za s\u00famraku a svitania \u2013 v \u010dase, ke\u010f je zver najakt\u00edvnej\u0161ia.<\/p>\n<p><a href=\"https:\/\/www.interez.sk\/jelenia-zver-v-lese-nechava-tajomne-signaly-ktore-ziaria-109-stop-ukazalo-skryty-svet\/uv-ziarenie\/\" rel=\"attachment wp-att-773989 nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-773989 size-full\" src=\"data:image\/svg+xml,%3Csvg%20xmlns=\" http:=\"\" alt=\"\" width=\"1024\" height=\"683\" data-lazy- data-lazy- data-lazy-src=\"https:\/\/www.europesays.com\/sk\/wp-content\/uploads\/2026\/02\/uv-ziarenie.jpg\"\/><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-773989 size-full\" src=\"https:\/\/www.europesays.com\/sk\/wp-content\/uploads\/2026\/02\/uv-ziarenie.jpg\" alt=\"\" width=\"1024\" height=\"683\"  \/><\/a>Ilustra\u010dn\u00e1 foto: <a href=\"https:\/\/commons.wikimedia.org\/wiki\/File:Ultraviolet_Fluorescence_of_a_Kiwi_Fruit_5x.jpg\" rel=\"nofollow noopener\" target=\"_blank\">MicrocosmicWorld<\/a>, <a href=\"https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\" rel=\"nofollow noopener\" target=\"_blank\">CC BY-SA 4.0<\/a>, via Wikimedia Commons<\/p>\n<p>Zistili, \u017ee ozna\u010den\u00e9 miesta mali pri oboch vlnov\u00fdch d\u013a\u017ekach vy\u0161\u0161ie hodnoty \u017eiarenia ne\u017e okolit\u00e9 prostredie. \u201eVzniknut\u00e1 fotoluminiscencia by bola pre ne vidite\u013en\u00e1 na z\u00e1klade ich u\u017e op\u00edsan\u00fdch vizu\u00e1lnych schopnost\u00ed,\u201c uviedol t\u00edm v \u0161t\u00fadii publikovanej v \u010dasopise <a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/ece3.72618\" target=\"_blank\" rel=\"noopener nofollow\">Ecology and Evolution<\/a>.<\/p>\n<p>Predch\u00e1dzaj\u00face v\u00fdskumy toti\u017e u\u017e uk\u00e1zali, \u017ee zrak zveri je t\u00fdmto vlnov\u00fdm d\u013a\u017ekam prisp\u00f4soben\u00fd. Ak teda zna\u010dky pod UV svetlom v\u00fdraznej\u0161ie \u201e\u017eiarili\u201c, je pravdepodobn\u00e9, \u017ee ich dok\u00e1\u017eu registrova\u0165 aj samotn\u00e9 zvierat\u00e1.<\/p>\n<p>Ak sa tieto z\u00e1very potvrdia, i\u0161lo by pod\u013ea Science Alert o prv\u00fd zdokumentovan\u00fd pr\u00edpad, ke\u010f by cicavec mohol vo svojom prirodzenom prostred\u00ed vyu\u017e\u00edva\u0165 fotoluminiscenciu ako s\u00fa\u010das\u0165 komunik\u00e1cie.<\/p>\n<p>\u010co je zdrojom \u017eiary?<\/p>\n<p>Pokra\u010dovanie \u010dl\u00e1nku na \u010fal\u0161ej strane<\/p>\n","protected":false},"excerpt":{"rendered":"Objav vedcov nazna\u010duje, \u017ee ich komunik\u00e1cia nemus\u00ed by\u0165 iba pachov\u00e1, ale aj vizu\u00e1lna. Pre \u013eudsk\u00e9 oko v\u0161ak zost\u00e1va&hellip;\n","protected":false},"author":2,"featured_media":1345,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[33,1159,43,40,42,36,50,1160,1161,49,48],"class_list":{"0":"post-1344","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-svet","8":"tag-news","9":"tag-sialeny-objav","10":"tag-sk","11":"tag-slovak","12":"tag-slovencina","13":"tag-spravy","14":"tag-svet","15":"tag-veda-a-vyskum","16":"tag-vedecka-studia","17":"tag-world","18":"tag-world-news"},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/posts\/1344","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/comments?post=1344"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/posts\/1344\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/media\/1345"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/media?parent=1344"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/categories?post=1344"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/tags?post=1344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}