{"id":200832,"date":"2026-09-03T05:24:13","date_gmt":"2026-09-03T05:24:13","guid":{"rendered":"https:\/\/www.europesays.com\/cz\/200832\/"},"modified":"2026-09-03T05:24:13","modified_gmt":"2026-09-03T05:24:13","slug":"pomaly-rust-pomaha-prezit-nenapadna-rostlina-z-arktidy-se-dozila-145-let","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/cz\/200832\/","title":{"rendered":"Pomal\u00fd r\u016fst pom\u00e1h\u00e1 p\u0159e\u017e\u00edt. Nen\u00e1padn\u00e1 rostlina z\u00a0Arktidy se do\u017eila 145\u00a0let"},"content":{"rendered":"

\u00dapln\u011b jinou strategii ne\u017e dry\u00e1dka celolist\u00e1 (Dryas integrifolia) zvolil sl\u00e9z pi\u017emov\u00fd (Malva moschata). Ve zkouman\u00e9m souboru p\u0159ir\u016fstal p\u0159ibli\u017en\u011b o\u00a0dev\u011bt milimetr\u016f ro\u010dn\u011b, zaznamenan\u00fd jedinec se ale do\u017eil pouh\u00fdch dvou let.<\/p>\n

M\u00edsto r\u016fstu investuj\u00ed do p\u0159e\u017eit\u00ed<\/p>\n

Pr\u00e1v\u011b rozd\u00edl mezi ob\u011bma druhy n\u00e1zorn\u011b ukazuje pravidlo, kter\u00e9 v\u00fdzkumn\u00edci ov\u011b\u0159ovali. Pomaleji rostouc\u00ed byliny, ke\u0159e a\u00a0li\u00e1ny zpravidla vydr\u017e\u00ed d\u00e9le ne\u017e ty s\u00a0rychl\u00fdmi p\u0159\u00edr\u016fstky. A\u00a0plat\u00ed to ve velmi rozd\u00edln\u00fdch podm\u00ednk\u00e1ch\u00a0\u2013 od arktick\u00e9 tundry p\u0159es Him\u00e1laj a\u00a0Alpy a\u017e po hork\u00e9 polopou\u0161t\u011b. V\u00fdsledky studie zve\u0159ejnil odborn\u00fd \u010dasopis Nature Communications<\/a>.<\/p>\n

Ka\u017ed\u00fd druh hospoda\u0159\u00ed s\u00a0energi\u00ed jinak. Zat\u00edmco n\u011bkter\u00e9 ji vyu\u017e\u00edvaj\u00ed p\u0159edev\u0161\u00edm k\u00a0rychl\u00e9mu p\u0159ib\u00fdv\u00e1n\u00ed na velikosti, jin\u00e9 d\u00e1vaj\u00ed p\u0159ednost vlastnostem, kter\u00e9 jim umo\u017e\u0148uj\u00ed vydr\u017eet.<\/p>\n

<\/a><\/p>\n

\u201eRostliny se li\u0161\u00ed v\u00a0tom, jak rozd\u011bluj\u00ed sv\u00e9 zdroje mezi r\u016fst a\u00a0dlouhodob\u00e9 p\u0159e\u017e\u00edv\u00e1n\u00ed. Pomaleji rostouc\u00ed druhy mohou v\u00edce investovat do odoln\u011bj\u0161\u00edch pletiv, vytv\u00e1\u0159en\u00ed z\u00e1sob nebo ochrann\u00fdch l\u00e1tek. D\u00edky tomu mohou b\u00fdt odoln\u011bj\u0161\u00ed a\u00a0p\u0159e\u017e\u00edvat po dlouhou dobu,\u201c vysv\u011btlil Jan Binter z\u00a0Botanick\u00e9ho \u00fastavu Akademie v\u011bd \u010cR ve st\u0159edo\u010desk\u00fdch Pr\u016fhonic\u00edch.<\/p>\n

Podobnou souvislost ekologov\u00e9 p\u0159edpokl\u00e1dali u\u017e d\u0159\u00edve. Dosavadn\u00ed pr\u00e1ce se v\u0161ak soust\u0159edily p\u0159edev\u0161\u00edm na stromy nebo jednotliv\u00e9 skupiny. Nov\u00e1 studie uk\u00e1zala, \u017ee stejn\u00e1 z\u00e1konitost funguje nap\u0159\u00ed\u010d \u0161irok\u00fdm spektrem vytrval\u00fdch bylin, ke\u0159\u016f a\u00a0li\u00e1n.<\/p>\n

K ur\u010den\u00ed jejich st\u00e1\u0159\u00ed odborn\u00edci vyu\u017e\u00edvaj\u00ed letokruhy. Ty toti\u017e nevytv\u00e1\u0159ej\u00ed jen stromy. Modern\u00ed anatomick\u00e9 metody umo\u017e\u0148uj\u00ed stejn\u00fdm zp\u016fsobem zkoumat i\u00a0vytrval\u00e9 byliny.<\/p>\n

Podklady poch\u00e1zej\u00ed z\u00a0unik\u00e1tn\u00ed datab\u00e1ze budovan\u00e9 t\u0159icet let. D\u00edky n\u00ed bylo mo\u017en\u00e9 v\u016fbec poprv\u00e9 v\u00a0takov\u00e9m rozsahu porovnat vztah mezi rychlost\u00ed p\u0159ir\u016fst\u00e1n\u00ed a\u00a0dlouhov\u011bkost\u00ed nap\u0159\u00ed\u010d r\u016fzn\u00fdmi druhy a\u00a0prost\u0159ed\u00edmi.<\/p>\n

<\/a>Oteplov\u00e1n\u00ed m\u016f\u017ee zam\u00edchat kartami<\/p>\n

V\u00fdsledky uk\u00e1zaly je\u0161t\u011b jednu souvislost. V\u00a0teplej\u0161\u00edch oblastech maj\u00ed navrch druhy, kter\u00e9 p\u0159ib\u00fdvaj\u00ed rychleji a\u00a0zpravidla se do\u017e\u00edvaj\u00ed ni\u017e\u0161\u00edho v\u011bku. Pokra\u010duj\u00edc\u00ed oteplov\u00e1n\u00ed by proto mohlo postupn\u011b prom\u011b\u0148ovat nejen podobu vegetace, ale tak\u00e9 jej\u00ed odolnost.<\/p>\n

\u201ePokud oteplov\u00e1n\u00ed v\u00a0n\u011bkter\u00fdch prost\u0159ed\u00edch povede k\u00a0p\u0159evaze rychle rostouc\u00edch, ale kr\u00e1tkov\u011bk\u00fdch druh\u016f, m\u016f\u017ee se zm\u011bnit nejen slo\u017een\u00ed rostlinn\u00fdch spole\u010denstev, ale tak\u00e9 jejich stabilita,\u201c upozornil Ji\u0159\u00ed Dole\u017eal z\u00a0Botanick\u00e9ho \u00fastavu.<\/p>\n

D\u016fsledky mohou b\u00fdt \u0161ir\u0161\u00ed. D\u00e9lka \u017eivota toti\u017e ovliv\u0148uje tak\u00e9 dobu, po kterou z\u016fst\u00e1v\u00e1 uhl\u00edk ulo\u017een\u00fd v\u00a0biomase. Pokud by dlouhov\u011bk\u00e9 druhy postupn\u011b ustupovaly kr\u00e1tkov\u011bk\u00fdm, mohlo by se to projevit i\u00a0na schopnosti suchozemsk\u00fdch ekosyst\u00e9m\u016f uhl\u00edk ukl\u00e1dat.<\/p>\n

Auto\u0159i proto doporu\u010duj\u00ed dlouhov\u011bkost zahrnout do budouc\u00edch odhad\u016f ukl\u00e1d\u00e1n\u00ed uhl\u00edku. Dosud se pozornost soust\u0159edila hlavn\u011b na stromy, zat\u00edmco v\u00fdznam vytrval\u00fdch bylin a\u00a0ke\u0159\u016f z\u016fst\u00e1val sp\u00ed\u0161e stranou.<\/p>\n

<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"\u00dapln\u011b jinou strategii ne\u017e dry\u00e1dka celolist\u00e1 (Dryas integrifolia) zvolil sl\u00e9z pi\u017emov\u00fd (Malva moschata). Ve zkouman\u00e9m souboru p\u0159ir\u016fstal p\u0159ibli\u017en\u011b…\n","protected":false},"author":2,"featured_media":200833,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[7],"tags":[6067,1639,32473,43,42,41,40,6124],"class_list":["post-200832","post","type-post","status-publish","format-standard","has-post-thumbnail","category-cesko","tag-akademie-ved-ceske-republiky-avcr","tag-arktida","tag-botanika","tag-ceska-republika","tag-cesko","tag-czech-republic","tag-czechia","tag-rostliny"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@cz\/117205445335710593","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/200832","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=200832"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/200832\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media\/200833"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media?parent=200832"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/categories?post=200832"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/tags?post=200832"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}