{"id":678,"date":"2021-04-15T06:42:30","date_gmt":"2021-04-15T04:42:30","guid":{"rendered":"https:\/\/www.ibot.cas.cz\/botanika\/?p=678"},"modified":"2024-05-15T09:53:08","modified_gmt":"2024-05-15T07:53:08","slug":"uhory-zapomenute-ostruvky-biodiverzity","status":"publish","type":"post","link":"https:\/\/www.ibot.cas.cz\/botanika\/?p=678","title":{"rendered":"\u00dahory \u2013 zapomenut\u00e9 ostr\u016fvky biodiverzity"},"content":{"rendered":"
\"Pohled

Pohled na experiment\u00e1ln\u00ed plochu \u2013 \u010derstv\u011b zalo\u017een\u00fd \u00fahor na G\u00e1li\u0161sk\u00e9 louce v \u00fadol\u00ed Dyje.
Foto T. Vymyslick\u00fd<\/p><\/div>\n

V oblasti Znojemska na ji\u017en\u00ed Morav\u011b se vysky\u00adtuj\u00ed velk\u00e9 rozlohy pol\u00ed, kter\u00e9 v\u00fdrazn\u011b kontrastuj\u00ed s mozaikou drobn\u00fdch pol\u00ed\u010dek na rakousk\u00e9 stran\u011b hranice. Po obou stran\u00e1ch t\u00e9to hranice se nach\u00e1z\u00ed n\u00e1\u0161 nejmen\u0161\u00ed n\u00e1rodn\u00ed park \u2013 Podyj\u00ed. P\u0159ed dvaceti lety za\u010dala postupn\u011b p\u0159ech\u00e1zet do rukou Spr\u00e1vy NP Podyj\u00ed i orn\u00e1 p\u016fda, kter\u00e1 byla je\u0161t\u011b po\u010d\u00e1tkem 20. stolet\u00ed intenzivn\u011b obhospoda\u0159ov\u00e1na. Na star\u00fdch fotografi\u00edch je patrn\u00e9, \u017ee v \u00fadoln\u00ed niv\u011b \u0159eky Dyje b\u00fdvala i na \u010desk\u00e9 stran\u011b mal\u00e1 pol\u00ed\u010dka a na svaz\u00edch a teras\u00e1ch pastviny. Sou\u010dasn\u011b s opu\u0161t\u011bn\u00edm tradi\u010dn\u00edho hospoda\u0159en\u00ed pole, louky a pastviny postupn\u011b zarostly ke\u0159i a ostatn\u00edmi d\u0159evinami nebo se zales\u0148ovaly, tak\u017ee v sou\u010dasn\u00e9 dob\u011b nelesn\u00ed spole\u010denstva tvo\u0159\u00ed jen mal\u00e9 plochy p\u0159ev\u00e1\u017en\u011b na v\u00fdchodn\u00edm okraji n\u00e1rodn\u00edho parku. Pat\u0159\u00ed mezi n\u011b zejm\u00e9na v\u0159esovi\u0161t\u011b, skaln\u00ed a stepn\u00ed vegetace, such\u00e9 a mezofiln\u00ed tr\u00e1vn\u00edky a v \u00fadol\u00ed t\u00e9\u017e fragmenty aluvi\u00e1ln\u00edch luk. Pr\u00e1v\u011b tr\u00e1vn\u00edky, z nich\u017e n\u011bkter\u00e9 byly v minulosti poli, trp\u00ed absenc\u00ed pravideln\u00e9ho obhospoda\u0159ov\u00e1n\u00ed nejv\u00edce. \u0160\u00ed\u0159\u00ed se zde expanziv\u00adn\u00ed druhy trav, jako je t\u0159tina k\u0159ovi\u0161tn\u00ed, ovs\u00edk vyv\u00fd\u0161en\u00fd a kost\u0159ava r\u00e1kosovit\u00e1. Ty postupn\u011b m\u011bn\u00ed druhov\u00e9 spektrum tr\u00e1vn\u00edk\u016f, sni\u017euj\u00ed celkovou diverzitu spole\u010denstev, a to jak rostlinn\u00fdch, tak \u017eivo\u010di\u0161n\u00fdch \u2013 zejm\u00e9na ub\u00fdv\u00e1 hmyzu. M\u016f\u017eeme s t\u00edm je\u0161t\u011b n\u011bco d\u011blat?<\/p>\n

V\u00edce v \u010dl\u00e1nku: Fab\u0161i\u010dov\u00e1 M., Jirou\u0161ek, \u0160ipo\u0161 J. & Vymyslick\u00fd T. (2021): \u00dahory \u2013 zapomenut\u00e9 ostr\u016fvky biodiverzity. Botanika 9\/1: 12\u201315<\/a>.<\/em><\/p>\n

Pou\u017eit\u00e1 literatura:<\/span><\/p>\n

\u010c\u00ed\u017eek L., Bene\u0161 J., Konvi\u010dka M. (2019): \u00dabytek hmyzu. \u0160patn\u011b zdokumentovan\u00e1 katastrofa? \u017diva 5: 247\u2013250.<\/span><\/p>\n

Hallmann C. A. et al. (2017): More than 75 percent decline over 27 years in total flying insect biomass in protected areas. PloS ONE 12(10): e0185809. doi:10.1371\/journal.pone.0185809<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

V oblasti Znojemska na ji\u017en\u00ed Morav\u011b se vysky\u00adtuj\u00ed velk\u00e9 rozlohy pol\u00ed, kter\u00e9 v\u00fdrazn\u011b kontrastuj\u00ed s mozaikou drobn\u00fdch pol\u00ed\u010dek na rakousk\u00e9 stran\u011b hranice. Po obou stran\u00e1ch t\u00e9to hranice se nach\u00e1z\u00ed n\u00e1\u0161 nejmen\u0161\u00ed n\u00e1rodn\u00ed park \u2013 Podyj\u00ed. P\u0159ed dvaceti lety za\u010dala postupn\u011b p\u0159ech\u00e1zet do rukou Spr\u00e1vy NP Podyj\u00ed i orn\u00e1 p\u016fda, kter\u00e1 byla je\u0161t\u011b po\u010d\u00e1tkem 20. stolet\u00ed intenzivn\u011b obhospoda\u0159ov\u00e1na.<\/p>\n","protected":false},"author":27,"featured_media":679,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[280],"tags":[159,161,155,169,147,153,163,173,151,157,167,165,171,149],"class_list":["post-678","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-2021-1","tag-drchnicka-modra","tag-hadinec-obecny","tag-hlavacek-plamenny","tag-hluchavka-objimava","tag-hnedasek-kvetelovy","tag-jason-dymnivkovy","tag-merlik-bily","tag-narodni-park-podyji","tag-perletovec-stribropasek","tag-pudni-semenna-banka","tag-pumpava-rozpukova","tag-stovik-mensi","tag-udoli-dyje","tag-uhor"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=\/wp\/v2\/posts\/678","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=\/wp\/v2\/users\/27"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=678"}],"version-history":[{"count":4,"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=\/wp\/v2\/posts\/678\/revisions"}],"predecessor-version":[{"id":1317,"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=\/wp\/v2\/posts\/678\/revisions\/1317"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=\/wp\/v2\/media\/679"}],"wp:attachment":[{"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=678"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=678"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=678"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}