{"id":68901,"date":"2026-04-28T09:19:08","date_gmt":"2026-04-28T09:19:08","guid":{"rendered":"https:\/\/www.europesays.com\/cz\/68901\/"},"modified":"2026-04-28T09:19:08","modified_gmt":"2026-04-28T09:19:08","slug":"mensi-pole-mohou-snizit-cetnost-hrabosu-vyplyva-ze-studie-ceskych-vedcu","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/cz\/68901\/","title":{"rendered":"Men\u0161\u00ed pole mohou sn\u00ed\u017eit \u010detnost hrabo\u0161\u016f, vypl\u00fdv\u00e1 ze studie \u010desk\u00fdch v\u011bdc\u016f"},"content":{"rendered":"<p class=\"c_bz\">Pozitivn\u00ed efekt men\u0161\u00edch pol\u00ed se projevuje i\u00a0v \u0161ir\u0161\u00edm m\u011b\u0159\u00edtku cel\u00e9 zem\u011bd\u011blsk\u00e9 krajiny. Vypl\u00fdv\u00e1 to ze studie v\u011bdc\u016f z\u00a0katedry ekologie a\u00a0\u017eivotn\u00edho prost\u0159ed\u00ed P\u0159\u00edrodov\u011bdeck\u00e9 fakulty Univerzity Palack\u00e9ho v\u00a0Olomouci, Mendelovy univerzity v\u00a0Brn\u011b a\u00a0N\u00e1rodn\u00edho centra zem\u011bd\u011blsk\u00e9ho a\u00a0potravin\u00e1\u0159sk\u00e9ho v\u00fdzkumu v\u00a0Praze.<\/p>\n<p class=\"c_bz\">Studie vysv\u011btluje vliv velikosti pole na populaci hrabo\u0161\u016f tak, \u017ee na velk\u00fdch pol\u00edch se nov\u011b narozen\u00ed jedinci usazuj\u00ed rad\u011bji ne\u017e na mal\u00fdch pol\u00edch. Z\u00a0velk\u00fdch pol\u00ed m\u00e9n\u011b jedinc\u016f migruje jinam, co\u017e podporuje rychl\u00e9 houstnut\u00ed populace a\u00a0vznik hrabo\u0161\u00ed kalamity. Men\u0161\u00ed plochy naopak hrabo\u0161i \u010dast\u011bji opou\u0161t\u011bj\u00ed, populace se \u201e\u0159ed\u00ed\u201c a\u00a0nedoch\u00e1z\u00ed k\u00a0tak prudk\u00e9mu n\u00e1r\u016fstu jejich po\u010detnosti.<\/p>\n<p class=\"c_bz\">Zmen\u0161ov\u00e1n\u00ed pol\u00ed m\u016f\u017ee podle odborn\u00edk\u016f prokazateln\u011b sn\u00ed\u017eit po\u010det hrabo\u0161\u016f. Nap\u0159\u00edklad zmen\u0161en\u00ed pr\u016fm\u011brn\u00e9 velikosti pole z\u00a018\u00a0na 13\u00a0hektar\u016f povede k\u00a0poklesu pr\u016fm\u011brn\u00e9 populace hrabo\u0161e poln\u00edho zhruba o\u00a0osm procent, p\u0159i zmen\u0161en\u00ed z\u00a0deseti na p\u011bt hektar\u016f pak asi o\u00a015\u00a0procent. To se prom\u00edt\u00e1 do men\u0161\u00edch ztr\u00e1t na \u00farod\u011b i\u00a0ni\u017e\u0161\u00edch n\u00e1klad\u016f na ochranu porost\u016f.<\/p>\n<p><a data-dot=\"atm-link\" target=\"_self\" href=\"https:\/\/www.novinky.cz\/clanek\/veda-skoly-sklizen-na-polich-jizni-moravy-dvakrat-rocne-vodu-by-mohl-poskytnout-dunaj-40561782\" class=\"c_N\" rel=\"nofollow noopener\"><img fetchpriority=\"high\" height=\"427\" width=\"759\" src=\"https:\/\/www.europesays.com\/cz\/wp-content\/uploads\/2026\/04\/voda-veda-morava.jpeg\" loading=\"eager\" decoding=\"sync\" class=\"c_t c_r\"\/><\/a><\/p>\n<p class=\"c_bz\">\u201eZ na\u0161\u00ed pr\u00e1ce vypl\u00fdv\u00e1, \u017ee zm\u011bna struktury pol\u00ed m\u016f\u017ee p\u0159edstavovat jeden z\u00a0dlouhodob\u011b udr\u017eiteln\u00fdch n\u00e1stroj\u016f ochrany \u00farody. Men\u0161\u00ed pole z\u00e1rove\u0148 p\u0159isp\u00edvaj\u00ed k\u00a0v\u011bt\u0161\u00ed rozmanitosti prost\u0159ed\u00ed, podporuj\u00ed p\u0159irozen\u00e9 pred\u00e1tory hrabo\u0161\u016f a\u00a0zvy\u0161uj\u00ed stabilitu ekosyst\u00e9mu,\u201c uvedl Emil Tkadlec z\u00a0katedry ekologie a\u00a0\u017eivotn\u00edho prost\u0159ed\u00ed olomouck\u00e9 p\u0159\u00edrodov\u011bdeck\u00e9 fakulty.<\/p>\n<p>Data z\u00a0let 2015\u00a0a\u017e 2021\u00a0ve 22\u00a0okresech \u010cR<\/p>\n<p class=\"c_bz\">V\u00fdzkumn\u00edci vych\u00e1zeli z\u00a0dat sb\u00edran\u00fdch v\u00a0letech 2015\u00a0a\u017e 2021\u00a0ve 22\u00a0okresech \u010cesk\u00e9 republiky. Ka\u017edoro\u010dn\u011b sledovali v\u00edce ne\u017e 200\u00a0pol\u00ed s\u00a0p\u00edcninami, p\u0159i\u010dem\u017e m\u011b\u0159en\u00ed prob\u00edhala dvakr\u00e1t ro\u010dn\u011b\u00a0\u2013 na ja\u0159e a\u00a0na podzim.<\/p>\n<p class=\"c_bz\">Do anal\u00fdzy zahrnuli porosty vojt\u011b\u0161ky, jej\u00edch sm\u011bs\u00ed s\u00a0tr\u00e1vou i\u00a0jetel. Po\u010det hrabo\u0161\u016f odhadovali nep\u0159\u00edmo podle po\u010dtu aktivn\u00edch nor na hektar, kter\u00e9 zaznamen\u00e1vali na vybran\u00fdch \u00fasec\u00edch pol\u00ed a\u00a0n\u00e1sledn\u011b p\u0159epo\u010d\u00edt\u00e1vali. Velikost pol\u00ed ur\u010dovali pomoc\u00ed satelitn\u00edch dat s\u00a0vysokou p\u0159esnost\u00ed. Celkem tak z\u00edskali p\u0159es 3000\u00a0m\u011b\u0159en\u00ed, z\u00a0nich\u017e zhruba 2500\u00a0vyu\u017eili pro fin\u00e1ln\u00ed anal\u00fdzu.<\/p>\n<p class=\"c_bz\">V\u00fdsledky studie podle Tkadlece z\u00e1rove\u0148 potvrzuj\u00ed zn\u00e1m\u00fd fakt, \u017ee vojt\u011b\u0161ka je z\u00a0hlediska agronomick\u00e9ho a\u00a0ekologick\u00e9ho velmi vyhled\u00e1vanou plodinou v\u00a0zem\u011bd\u011blsk\u00e9 krajin\u011b. \u201eProto\u017ee v\u00a0n\u00ed populace hrabo\u0161e poln\u00edho dosahuj\u00ed nejvy\u0161\u0161\u00edch po\u010detnost\u00ed, jsou s\u00a0n\u00ed spojeny tak\u00e9 vy\u0161\u0161\u00ed n\u00e1klady na likvidaci tohoto \u0161k\u016fdce,\u201c dodal ekolog.<\/p>\n<p><a data-dot=\"atm-link\" target=\"_self\" href=\"https:\/\/www.novinky.cz\/clanek\/domaci-jedy-na-hrabose-zabijeji-take-sovy-40434408\" class=\"c_N\" rel=\"nofollow noopener\"><img height=\"1571\" width=\"2793\" src=\"https:\/\/www.europesays.com\/cz\/wp-content\/uploads\/2026\/04\/sova-letak-sshavirov.jpeg\" loading=\"eager\" decoding=\"sync\" class=\"c_t c_r\"\/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Pozitivn\u00ed efekt men\u0161\u00edch pol\u00ed se projevuje i\u00a0v \u0161ir\u0161\u00edm m\u011b\u0159\u00edtku cel\u00e9 zem\u011bd\u011blsk\u00e9 krajiny. Vypl\u00fdv\u00e1 to ze studie v\u011bdc\u016f z\u00a0katedry&hellip;\n","protected":false},"author":2,"featured_media":68902,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[43,42,41,40,1976,21711,23028,23029,22374,7584,6068,590],"class_list":{"0":"post-68901","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-cesko","8":"tag-ceska-republika","9":"tag-cesko","10":"tag-czech-republic","11":"tag-czechia","12":"tag-ekologie","13":"tag-hrabosi","14":"tag-mendelova-univerzita","15":"tag-narodni-centrum-zemedelskeho-a-potravinarskeho-vyzkumu","16":"tag-pole","17":"tag-upol","18":"tag-vedci","19":"tag-zemedelstvi"},"share_on_mastodon":{"url":"","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/68901","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/comments?post=68901"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/68901\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media\/68902"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media?parent=68901"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/categories?post=68901"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/tags?post=68901"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}