{"id":1273,"date":"2020-02-05T11:53:45","date_gmt":"2020-02-05T10:53:45","guid":{"rendered":"http:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/?page_id=1273"},"modified":"2024-11-06T16:37:16","modified_gmt":"2024-11-06T15:37:16","slug":"poskozeni-vetrem-2","status":"publish","type":"page","link":"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/index.php\/poskozeni-vetrem-2\/","title":{"rendered":"Po\u0161kozen\u00ed v\u011btrem"},"content":{"rendered":"\n<p><strong>PO\u0160KOZOVAN\u00c9 D\u0158EVINY:<\/strong> v\u0161echny druhy d\u0159evin<br><\/p>\n\n\n\n<p><strong>POPIS PO\u0160KOZEN\u00cd:<\/strong> korunov\u00e9 a kmenov\u00e9 zlomy, v\u00fdvraty, vznik dvoj\u00e1k\u016f a v\u00edcer\u00e1k\u016f.<\/p>\n\n\n<style type=\"text\/css\">\n#foogallery-gallery-2503 .fg-image { width: 560px; }\n#foogallery-gallery-2503 { --fg-gutter: 10px; }<\/style>\n\t\t\t<div class=\"foogallery foogallery-container foogallery-default foogallery-lightbox-none fg-left fg-default fg-ready fg-light fg-border-thin fg-shadow-outline fg-loading-default fg-loaded-fade-in fg-caption-always fg-hover-fade fg-hover-zoom\" id=\"foogallery-gallery-2503\" data-foogallery=\"{&quot;item&quot;:{&quot;showCaptionTitle&quot;:true,&quot;showCaptionDescription&quot;:true},&quot;lazy&quot;:true}\" style=\"--fg-title-line-clamp: 0; --fg-description-line-clamp: 0;\" >\n\t<div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/wp-content\/uploads\/2024\/11\/vitr_polom_Vysocina-1.jpg\" data-caption-title=\"Porost s v\u00fdvraty a zlomy, \u010ceskomoravsk\u00e1 vrchovina 2007.\" data-attachment-id=\"4341\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img fetchpriority=\"high\" decoding=\"async\" title=\"Porost s v\u00fdvraty a zlomy, \u010ceskomoravsk\u00e1 vrchovina 2007.\" width=\"560\" height=\"430\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/wp-content\/uploads\/cache\/2024\/11\/vitr_polom_Vysocina-1\/3832616886.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22560%22%20height%3D%22430%22%20viewBox%3D%220%200%20560%20430%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">Porost s v\u00fdvraty a zlomy, \u010ceskomoravsk\u00e1 vrchovina 2007.<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/wp-content\/uploads\/2024\/11\/vitr_polom_SLP.jpg\" data-caption-title=\"V\u011btrem naru\u0161en\u00e1 porostn\u00ed st\u011bna, \u0160LP K\u0159tiny 2008.\" data-attachment-id=\"4339\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" title=\"V\u011btrem naru\u0161en\u00e1 porostn\u00ed st\u011bna, \u0160LP K\u0159tiny 2008.\" width=\"560\" height=\"430\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/wp-content\/uploads\/cache\/2024\/11\/vitr_polom_SLP\/2688139449.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22560%22%20height%3D%22430%22%20viewBox%3D%220%200%20560%20430%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">V\u011btrem naru\u0161en\u00e1 porostn\u00ed st\u011bna, \u0160LP K\u0159tiny 2008.<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p>V\u00fdsledn\u00e9 ohro\u017een\u00ed porost\u016f v\u011btrem a velikost n\u00e1sledn\u00fdch polom\u016f z\u00e1vis\u00ed na t\u011bchto faktorech:<br><br><strong>1) Ro\u010dn\u00ed doba a po\u010das\u00ed <\/strong> nas\u00e1klost p\u016fdy vodou (nejv\u011bt\u0161\u00ed v obdob\u00ed t\u00e1n\u00ed \u010di podzimn\u00edch de\u0161\u0165\u016f) z\u00e1sadn\u011b ovliv\u0148uje ukotven\u00ed stromu v p\u016fd\u011b, stejn\u011b tak promrz\u00e1n\u00ed svrchn\u00edch vrstev p\u016fdy (p\u0159i\u00a0zmrzl\u00e9 p\u016fd\u011b lep\u0161\u00ed stabilita); velk\u00e9 p\u0159esuny vzdu\u0161n\u00fdch mas spojen\u00e9 s bo\u0159iv\u00fdm v\u011btrem jsou \u010dast\u00e9 na ja\u0159e a na podzim (vich\u0159ice), smr\u0161t\u011b a v\u011btrn\u00e9 bou\u0159e jsou nej\u010dast\u011bj\u0161\u00ed v l\u00e9t\u011b.<\/p>\n\n\n\n<p><strong>2) Stanovi\u0161t\u011b <\/strong>\u2013 bo\u0159iv\u00fd \u00fa\u010dinek m\u016f\u017ee b\u00fdt umoc\u0148ov\u00e1n \u010di naopak brzd\u011bn \u010dlenitost\u00ed ter\u00e9nu, v\u011bt\u0161\u00ed ohro\u017een\u00ed lze o\u010dek\u00e1vat na konc\u00edch dlouh\u00fdch \u00fadol\u00ed orientovan\u00fdch po sm\u011bru v\u011btru, na n\u00e1v\u011btrn\u00fdch stran\u00e1ch; znateln\u00fd vliv m\u016f\u017ee m\u00edt sklon svahu (SCH\u00dcTZ et al. 2006); \u00fa\u010dinek je d\u00e1le ur\u010dov\u00e1n tak\u00e9 charakterem substr\u00e1tu (men\u0161\u00ed stabilita na zamok\u0159en\u00fdch lokalit\u00e1ch, sypk\u00fdch p\u00edsc\u00edch apod.).<\/p>\n\n\n<style type=\"text\/css\">\n#foogallery-gallery-2510 .fg-image { width: 560px; }\n#foogallery-gallery-2510 { --fg-gutter: 10px; }<\/style>\n\t\t\t<div class=\"foogallery foogallery-container foogallery-default foogallery-lightbox-none fg-left fg-default fg-ready fg-light fg-border-thin fg-shadow-outline fg-loading-default fg-loaded-fade-in fg-caption-always fg-hover-fade fg-hover-zoom\" id=\"foogallery-gallery-2510\" data-foogallery=\"{&quot;item&quot;:{&quot;showCaptionTitle&quot;:true,&quot;showCaptionDescription&quot;:true},&quot;lazy&quot;:true}\" style=\"--fg-title-line-clamp: 0; --fg-description-line-clamp: 0;\" >\n\t<div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/wp-content\/uploads\/2024\/11\/vitr_tatry-2006-1.jpg\" data-caption-title=\"Holina po Tatransk\u00e9 b\u00f3\u0159e (2004), Vysok\u00e9 Tatry 2006.\" data-attachment-id=\"4343\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" title=\"Holina po Tatransk\u00e9 b\u00f3\u0159e (2004), Vysok\u00e9 Tatry 2006.\" width=\"560\" height=\"430\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/wp-content\/uploads\/cache\/2024\/11\/vitr_tatry-2006-1\/2541944814.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22560%22%20height%3D%22430%22%20viewBox%3D%220%200%20560%20430%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">Holina po Tatransk\u00e9 b\u00f3\u0159e (2004), Vysok\u00e9 Tatry 2006.<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/wp-content\/uploads\/2024\/11\/vitr_Pomoravi_tornado.jpg\" data-caption-title=\"Zar\u016fst\u00e1n\u00ed holiny po torn\u00e1du, Litovelsk\u00e9 Pomorav\u00ed 2003.\" data-attachment-id=\"4342\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" title=\"Zar\u016fst\u00e1n\u00ed holiny po torn\u00e1du, Litovelsk\u00e9 Pomorav\u00ed 2003.\" width=\"560\" height=\"430\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/wp-content\/uploads\/cache\/2024\/11\/vitr_Pomoravi_tornado\/1158492892.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22560%22%20height%3D%22430%22%20viewBox%3D%220%200%20560%20430%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">Zar\u016fst\u00e1n\u00ed holiny po torn\u00e1du, Litovelsk\u00e9 Pomorav\u00ed 2003.<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>3) Druh d\u0159eviny <\/strong>\u2013 nejv\u00edce jsou ohro\u017eeny d\u0159eviny s kr\u00e1tkou, hustou, vysoko nasazenou korunou nebo d\u0159eviny s k\u0159ehk\u00fdm d\u0159evem: <em>Picea abies<\/em>, <em>Abies alba<\/em>, <em>Populus<\/em> sp., <em>Betula pendula<\/em>, <em>Alnus glutinosa<\/em>.<\/p>\n\n\n\n<p><strong>4) Architektura nadzemn\u00ed \u010d\u00e1sti stromu<\/strong> \u2013 obecn\u011b lze \u0159\u00edci, \u017ee po\u0161kozen\u00ed v\u011btrem (a stejn\u011b tak sn\u011bhem) roste s porostn\u00ed v\u00fd\u0161kou, s rostouc\u00edm hmotnostn\u00edm pom\u011brem mezi korunou a&nbsp;kmenem, s klesaj\u00edc\u00edm pr\u016fm\u011brem kmene a klesaj\u00edc\u00ed sb\u00edhavost\u00ed (CAMERON 2002).<\/p>\n\n\n\n<p><strong>5) Architektura ko\u0159en\u016f<\/strong> \u2013 parametry ko\u0159enov\u00e9ho syst\u00e9mu (vertik\u00e1ln\u00ed polom\u011br ko\u0159enov\u00e9ho balu, jeho \u0161\u00ed\u0159ka a povrch, po\u010detnost ko\u0159en\u016f jednotliv\u00fdch tlou\u0161\u0165kov\u00fdch t\u0159\u00edd atd.) pochopiteln\u011b z\u00e1sadn\u00ed m\u011brou ovliv\u0148uj\u00ed ukotven\u00ed stromu (viz nap\u0159. \u0160TOFKO, KODR\u00cdK 2008), rozd\u00edly mohou b\u00fdt d\u00e1ny jak geneticky, tak zdravotn\u00edm stavem \u010di vn\u011bj\u0161\u00edmi podm\u00ednkami.<\/p>\n\n\n\n<p><strong>6) Roz\u010dlen\u011bn\u00ed porost\u016f<\/strong> \u2013 ohro\u017een\u00e9 jsou p\u0159edev\u0161\u00edm velk\u00e9 homogenn\u00ed stejnov\u011bk\u00e9 porosty smr\u010din, zraniteln\u00e9 jsou st\u011bny n\u00e1hle uvoln\u011bn\u00fdch porost\u016f se strmou st\u011bnou na n\u00e1v\u011btrn\u00e9 stran\u011b; zv\u00fd\u0161en\u00e9 ohro\u017een\u00ed je tak\u00e9 v m\u00edst\u011b n\u00e1sek\u016f, kde v\u00edtr proud\u00ed vy\u0161\u0161\u00ed rychlost\u00ed, \u010di tam, kde n\u00e1v\u011btrn\u00e9 st\u011bny tvo\u0159\u00ed prav\u00fd nebo ostr\u00fd \u00fahel; rozd\u00edly v dopadech v\u011btru mezi jednotliv\u00fdmi tvary a sm\u011bry porostn\u00edch okraj\u016f mohou b\u00fdt relativn\u011b v\u00fdrazn\u00e9 (DUPONT, BRUNET 2008).<\/p>\n\n\n<style type=\"text\/css\">\n#foogallery-gallery-2514 .fg-image { width: 560px; }\n#foogallery-gallery-2514 { --fg-gutter: 10px; }<\/style>\n\t\t\t<div class=\"foogallery foogallery-container foogallery-default foogallery-lightbox-none fg-left fg-default fg-ready fg-light fg-border-thin fg-shadow-outline fg-loading-default fg-loaded-fade-in fg-caption-always fg-hover-fade fg-hover-zoom\" id=\"foogallery-gallery-2514\" data-foogallery=\"{&quot;item&quot;:{&quot;showCaptionTitle&quot;:true,&quot;showCaptionDescription&quot;:true},&quot;lazy&quot;:true}\" style=\"--fg-title-line-clamp: 0; --fg-description-line-clamp: 0;\" >\n\t<div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/wp-content\/uploads\/2024\/11\/vitr_po_loupani.jpg\" data-caption-title=\"Zlomy v porostu sloupan\u00e9m zv\u011b\u0159\u00ed, Karlovice1997.\" data-attachment-id=\"4337\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" title=\"Zlomy v porostu sloupan\u00e9m zv\u011b\u0159\u00ed, Karlovice1997.\" width=\"560\" height=\"430\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/wp-content\/uploads\/cache\/2024\/11\/vitr_po_loupani\/2892078655.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22560%22%20height%3D%22430%22%20viewBox%3D%220%200%20560%20430%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">Zlomy v porostu sloupan\u00e9m zv\u011b\u0159\u00ed, Karlovice1997.<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/wp-content\/uploads\/2024\/11\/vitr_holina_Beskydy.jpg\" data-caption-title=\"Holina po polomu, Beskydy 2006.\" data-attachment-id=\"4335\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" title=\"Holina po polomu, Beskydy 2006.\" width=\"560\" height=\"430\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/wp-content\/uploads\/cache\/2024\/11\/vitr_holina_Beskydy\/1602913657.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22560%22%20height%3D%22430%22%20viewBox%3D%220%200%20560%20430%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">Holina po polomu, Beskydy 2006.<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/wp-content\/uploads\/2020\/02\/odluka.jpg\" data-caption-title=\"Opat\u0159en\u00ed pro zv\u00fd\u0161en\u00ed stability \u2013 odluka, \u010ceskomoravsk\u00e1 vrchovina 2007.\" data-attachment-id=\"4348\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" title=\"Opat\u0159en\u00ed pro zv\u00fd\u0161en\u00ed stability \u2013 odluka, \u010ceskomoravsk\u00e1 vrchovina 2007.\" width=\"560\" height=\"430\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/wp-content\/uploads\/cache\/2020\/02\/odluka\/1979164208.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22560%22%20height%3D%22430%22%20viewBox%3D%220%200%20560%20430%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">Opat\u0159en\u00ed pro zv\u00fd\u0161en\u00ed stability \u2013 odluka, \u010ceskomoravsk\u00e1 vrchovina 2007.<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/wp-content\/uploads\/2024\/11\/vyvraty-1.jpg\" data-caption-title=\"V\u00fdvraty v pro\u0159ed\u011bn\u00e9m porostu, \u010ceskomoravsk\u00e1 vrchovina 2011.\" data-attachment-id=\"4346\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" title=\"V\u00fdvraty v pro\u0159ed\u011bn\u00e9m porostu, \u010ceskomoravsk\u00e1 vrchovina 2011.\" width=\"560\" height=\"430\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/wp-content\/uploads\/cache\/2024\/11\/vyvraty-1\/1418382487.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22560%22%20height%3D%22430%22%20viewBox%3D%220%200%20560%20430%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">V\u00fdvraty v pro\u0159ed\u011bn\u00e9m porostu, \u010ceskomoravsk\u00e1 vrchovina 2011.<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>7) Zakmen\u011bn\u00ed, z\u00e1poj <\/strong>\u2013 p\u0159i pro\u0159ed\u011bn\u00ed porostu vzniknou nov\u00e9 nepevn\u00e9 porostn\u00ed st\u011bny a t\u00edm se vytvo\u0159\u00ed vysok\u00e9 riziko polom\u016f jak v\u011btrn\u00fdch, tak i sn\u011bhov\u00fdch a n\u00e1mrazov\u00fdch. Pro\u0159ed\u011bn\u00ed je nebezpe\u010dn\u00e9 bez ohledu na to, zda vzniklo \u00famysln\u00fdmi nebo nahodil\u00fdmi t\u011b\u017ebami. M\u00edru tohoto vlivu lze dolo\u017eit z konkr\u00e9tn\u00edch pr\u016fzkum\u016f. VICENA (2002) uv\u00e1d\u00ed, \u017ee pro\u0159ed\u011bn\u00ed z\u00a0pln\u00e9ho zakmen\u011bn\u00ed p\u0159i t\u011b\u017eb\u011b 10 % z\u00e1soby vedlo k v\u011btrn\u00fdm polom\u016fm ve v\u00fd\u0161i cca 7 m<sup>3<\/sup>\/ha, p\u0159i t\u011b\u017eb\u011b nad 30 % z\u00e1soby v\u0161ak ji\u017e k 90 m<sup>3<\/sup>\/ha. Pokud jsou v porostu ve vy\u0161\u0161\u00ed m\u00ed\u0159e ponech\u00e1ny stoj\u00edc\u00ed sou\u0161e (nap\u0159. v r\u00e1mci bezz\u00e1sahov\u00e9ho re\u017eimu) mohou kr\u00e1tkodob\u011b sn\u00ed\u017eit riziko polomu, stoj\u00edc\u00ed sou\u0161e jsou ov\u0161em cca 5x m\u00e9n\u011b odoln\u00e9 ne\u017e \u017eiv\u00e9 zdrav\u00e9 stromy, a\u00a0tak z\u00a0porost\u016f vystaven\u00fdch v\u011btru zpravidla rychle vypad\u00e1vaj\u00ed.<\/p>\n\n\n\n<p><strong>8) Zdravotn\u00ed stav strom\u016f<\/strong> \u2013 stromy se st\u0159edn\u00edm stupn\u011bm po\u0161kozen\u00ed tvrdou hnilobou se b\u011b\u017en\u011b l\u00e1mou ji\u017e p\u0159i rychlostech 14,5 a\u017e 24,5 m.s<sup>-1<\/sup>, stromy napaden\u00e9 pokro\u010dil\u00fdm stupn\u011bm rozkladu, hnilobou vo\u0161tinovou, se l\u00e1mou p\u0159i je\u0161t\u011b ni\u017e\u0161\u00edch rychlostech v\u011btru. V\u00edce ohro\u017euj\u00ed kmeny z hlediska mechanick\u00e9 stability okrajov\u00e9 hniloby (ranov\u00e9) ne\u017e hniloby st\u0159edov\u00e9. M\u00edra efektu je p\u0159itom do zna\u010dn\u00e9 m\u00edry d\u00e1na sm\u011brem p\u016fsoben\u00ed v\u011btru. M\u00edru vlivu hnilob lze op\u011bt dolo\u017eit konkr\u00e9tn\u00edmi \u00fadaji, nap\u0159\u00edklad v Rakousku bylo zji\u0161t\u011bno (STEYER, TOMICZEK 1998), \u017ee k vyvr\u00e1cen\u00ed a zlomen\u00ed sta\u010d\u00ed pou\u017e\u00edt momentu o 39 % men\u0161\u00edho u strom\u016f s&nbsp;nahnil\u00fdmi ko\u0159eny ne\u017e u strom\u016f zdrav\u00fdch.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PO\u0160KOZOVAN\u00c9 D\u0158EVINY: v\u0161echny druhy d\u0159evin POPIS PO\u0160KOZEN\u00cd: korunov\u00e9 a kmenov\u00e9 zlomy, v\u00fdvraty, vznik dvoj\u00e1k\u016f a [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-full-width.php","meta":{"footnotes":""},"class_list":["post-1273","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/index.php\/wp-json\/wp\/v2\/pages\/1273","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/index.php\/wp-json\/wp\/v2\/comments?post=1273"}],"version-history":[{"count":21,"href":"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/index.php\/wp-json\/wp\/v2\/pages\/1273\/revisions"}],"predecessor-version":[{"id":4347,"href":"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/index.php\/wp-json\/wp\/v2\/pages\/1273\/revisions\/4347"}],"wp:attachment":[{"href":"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/index.php\/wp-json\/wp\/v2\/media?parent=1273"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}