{"id":59287,"date":"2024-08-05T00:32:01","date_gmt":"2024-08-04T22:32:01","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=59287"},"modified":"2024-08-04T14:07:05","modified_gmt":"2024-08-04T12:07:05","slug":"dalsi-studie-ukazuje-zvysene-mnozstvi-co2-zpusobuje-ze-rostliny-vyparuji-vice-vody-a-svet-se-zazelena","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2024\/08\/05\/dalsi-studie-ukazuje-zvysene-mnozstvi-co2-zpusobuje-ze-rostliny-vyparuji-vice-vody-a-svet-se-zazelena\/","title":{"rendered":"Dal\u0161\u00ed studie ukazuje: Zv\u00fd\u0161en\u00e9 mno\u017estv\u00ed CO2 zp\u016fsobuje, \u017ee rostliny vypa\u0159uj\u00ed v\u00edce vody a sv\u011bt se zazelen\u00e1"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<p><strong><span>V d\u016fsledku zv\u00fd\u0161en\u00e9 hladiny CO2 v atmosf\u00e9\u0159e se nejen zvy\u0161uje r\u016fst rostlin, ale tak\u00e9 zaji\u0161\u0165uje v\u011bt\u0161\u00ed transpiraci a t\u00edm i vy\u0161\u0161\u00ed vlhkost vzduchu. Glob\u00e1ln\u00ed kolob\u011bh vody je pos\u00edlen, co\u017e m\u016f\u017ee prosp\u011bt i su\u0161\u0161\u00edm oblastem.<\/span><\/strong><\/p>\n<p><span>Ned\u00e1vno publikovan\u00e1 studie Chena a kol. s n\u00e1zvem \u201e\u00a0<\/span><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0921818124000420\"><span>Roz\u0161\u00ed\u0159en\u00fd n\u00e1r\u016fst transpirace rostlin zp\u016fsoben\u00fd glob\u00e1ln\u00ed ekologizac\u00ed<\/span><\/a><span> \u201c poskytuje nov\u00fd pohled na \u00fa\u010dinky zvy\u0161uj\u00edc\u00edch se koncentrac\u00ed CO2 na rostliny a glob\u00e1ln\u00ed klima. V\u011bdci zjistili, \u017ee zv\u00fd\u0161en\u00e9 hladiny CO2 v atmosf\u00e9\u0159e vedou k v\u00fdrazn\u00e9mu zv\u00fd\u0161en\u00ed transpirace rostlin a z\u00e1rove\u0148 zvy\u0161uj\u00ed glob\u00e1ln\u00ed ekologizaci a produkci vegetace.<\/span><\/p>\n<p><span style=\"font-size: 18pt;\"><strong>Kl\u00ed\u010dov\u00e9 v\u00fdsledky studie:<\/strong><\/span><\/p>\n<ul class=\"wp-block-list\">\n<li><span>Celosv\u011btov\u00e1 transpirace rostlin se mezi lety 1982 a 2015 zv\u00fd\u0161ila o 7,2 procenta, p\u0159edev\u0161\u00edm kv\u016fli n\u00e1r\u016fstu CO2.<\/span><\/li>\n<li><span>Vy\u0161\u0161\u00ed hladiny CO2 vedou ke zv\u00fd\u0161en\u00ed plochy list\u016f rostlin a biomasy, zn\u00e1m\u00e9 jako \u201eglob\u00e1ln\u00ed greening\u201c.<\/span><\/li>\n<li><span>Zv\u00fd\u0161en\u00e1 transpirace a ekologizace posiluj\u00ed glob\u00e1ln\u00ed vodn\u00ed cyklus.<\/span><\/li>\n<li><span>Produktivita vegetace se tak\u00e9 zv\u00fd\u0161ila vlivem hnojen\u00ed CO2.<\/span><\/li>\n<li><span>K prok\u00e1z\u00e1n\u00ed t\u011bchto souvislost\u00ed pou\u017eili v\u011bdci satelitn\u00ed data a klimatick\u00e9 modely. Zd\u016fraz\u0148uj\u00ed, \u017ee zv\u00fd\u0161en\u00e1 transpirace a ekologizace p\u0159edstavuj\u00ed d\u016fle\u017eit\u00e9 zp\u011btn\u00e9 vazby v klimatick\u00e9m syst\u00e9mu, kter\u00e9 byly v p\u0159edchoz\u00edch modelech \u010dasto podce\u0148ov\u00e1ny.<\/span><\/li>\n<\/ul>\n<p><span>\u201eNa\u0161e v\u00fdsledky ukazuj\u00ed, \u017ee rostliny hraj\u00ed aktivn\u011bj\u0161\u00ed roli v glob\u00e1ln\u00edm vodn\u00edm cyklu, ne\u017e se d\u0159\u00edve p\u0159edpokl\u00e1dalo,\u201c vysv\u011btluje vedouc\u00ed studie Dr. Chen. &#8222;To m\u00e1 d\u016fsledky pro region\u00e1ln\u00ed modely sr\u00e1\u017eek a dostupnost vody.&#8220;<\/span><\/p>\n<p><span>Studie objas\u0148uje, \u017ee vegetace komplexn\u011b ovliv\u0148uje klimatickou zm\u011bnu. Na jedn\u00e9 stran\u011b rostliny absorbuj\u00ed v\u00edce CO2 a t\u00edm ochlazuj\u00ed atmosf\u00e9ru. Na druhou stranu posiluj\u00ed kolob\u011bh vody prost\u0159ednictv\u00edm zv\u00fd\u0161en\u00e9ho v\u00fdparu, co\u017e m\u016f\u017ee v\u00e9st k v\u011bt\u0161\u00edmu mno\u017estv\u00ed sr\u00e1\u017eek v regionech.<\/span><\/p>\n<p><span>Tato data jsou v souladu se studi\u00ed Ackera et al. s n\u00e1zvem \u201e\u00a0<\/span><a href=\"https:\/\/www.biorxiv.org\/content\/10.1101\/2023.12.06.570419v1.full\"><span>Vliv koncentrace atmosf\u00e9rick\u00e9ho CO2 na reakce transpirace a prodlu\u017eov\u00e1n\u00ed list\u016f na sucho u p\u0161enice, j\u00edlku vytrval\u00e9ho a kost\u0159avy vysok\u00e9<\/span><\/a><span>\u00a0\u201c, kter\u00fd byl zve\u0159ejn\u011bn v prosinci 2023. V\u011bdci zkoumali t\u0159i d\u016fle\u017eit\u00e9 druhy trav \u2013 p\u0161enici, j\u00edlek vytrval\u00fd a kost\u0159ava vysokou \u2013 v kontrolovan\u00fdch podm\u00ednk\u00e1ch s koncentracemi CO2 200 ppm a 800 ppm. Zjistili, \u017ee zv\u00fd\u0161en\u00e9 koncentrace CO2 zm\u00edr\u0148uj\u00ed negativn\u00ed dopady sucha na r\u016fst list\u016f u v\u0161ech t\u0159\u00ed druh\u016f a oddaluj\u00ed zastaven\u00ed r\u016fstu.<\/span><\/p>\n<p><span>Je zaj\u00edmav\u00e9, \u017ee zv\u00fd\u0161en\u00e1 koncentrace CO2 vedla k podobn\u00e9 nebo dokonce vy\u0161\u0161\u00ed celkov\u00e9 spot\u0159eb\u011b vody rostlinami i p\u0159es zlep\u0161enou regulaci pr\u016fduch\u016f. To bylo zp\u016fsobeno v\u00fdrazn\u00fdm zv\u00fd\u0161en\u00edm listov\u00e9 plochy p\u0159i zv\u00fd\u0161en\u00e9m CO2. \u201eTyto v\u00fdsledky ukazuj\u00ed slo\u017eit\u00e9 interakce mezi koncentrac\u00ed CO2, r\u016fstem rostlin a vodn\u00ed bilanc\u00ed,\u201c vysv\u011btluje hlavn\u00ed autorka Victoria Acker. &#8222;Na jedn\u00e9 stran\u011b zv\u00fd\u0161en\u00e9 CO2 zm\u00edr\u0148uje \u00fa\u010dinky sucha na jednotliv\u00e9 listy, ale na druh\u00e9 stran\u011b tak\u00e9 vede k v\u011bt\u0161\u00ed listov\u00e9 plo\u0161e, a t\u00edm potenci\u00e1ln\u011b k vy\u0161\u0161\u00ed pot\u0159eb\u011b vody pro celou rostlinu.&#8220;<\/span><\/p>\n<p><span>Proto\u017ee v\u0161ak zv\u00fd\u0161en\u00e1 transpirace rostlin zase vede k v\u011bt\u0161\u00edmu mno\u017estv\u00ed sr\u00e1\u017eek, povede to \u010dasem k nov\u00e9 rovnov\u00e1ze. Tyto \u00fadaje tak\u00e9 znovu jasn\u011b ukazuj\u00ed, \u017ee vy\u0161\u0161\u00ed hladiny oxidu uhli\u010dit\u00e9ho \u2013 jak je vysv\u011btleno v m\u00e9 knize \u201e\u00a0<\/span><a href=\"https:\/\/amzn.to\/3WS71ph\"><span>CO2 nen\u00ed n\u00e1\u0161 nep\u0159\u00edtel<\/span><\/a><span>\u00a0\u201c \u2013 maj\u00ed tak\u00e9 pozitivn\u00ed \u00fa\u010dinky na p\u0159\u00edrodu.<\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-1185\" src=\"http:\/\/www.infokuryr.cz\/n\/wp-content\/uploads\/2021\/04\/kuryr-podpis.png\" alt=\"\" width=\"84\" height=\"24\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V d\u016fsledku zv\u00fd\u0161en\u00e9 hladiny CO2 v atmosf\u00e9\u0159e se nejen zvy\u0161uje r\u016fst rostlin, ale tak\u00e9 zaji\u0161\u0165uje&#8230;<\/p>\n","protected":false},"author":2,"featured_media":59288,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[2692,873,65,5520,839],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/59287"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=59287"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/59287\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/59288"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=59287"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=59287"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=59287"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}