{"id":15,"date":"2026-03-18T22:12:05","date_gmt":"2026-03-18T21:12:05","guid":{"rendered":"https:\/\/biodiversityreview.com\/cs\/2026\/03\/18\/muze-zalesnovani-opravdu-ochladit-planetu-a-kde-je-treba-sazet-stromy\/"},"modified":"2026-03-18T22:15:15","modified_gmt":"2026-03-18T21:15:15","slug":"muze-zalesnovani-opravdu-ochladit-planetu-a-kde-je-treba-sazet-stromy","status":"publish","type":"post","link":"https:\/\/biodiversityreview.com\/cs\/2026\/03\/18\/muze-zalesnovani-opravdu-ochladit-planetu-a-kde-je-treba-sazet-stromy\/","title":{"rendered":"M\u016f\u017ee zales\u0148ov\u00e1n\u00ed opravdu ochladit planetu a kde je t\u0159eba s\u00e1zet stromy"},"content":{"rendered":"

\"M\u016f\u017ee<\/p>\n

M\u016f\u017ee zales\u0148ov\u00e1n\u00ed opravdu ochladit planetu a kde je t\u0159eba s\u00e1zet stromy<\/h1>\n

Vysazov\u00e1n\u00ed strom\u016f ve velk\u00e9m m\u011b\u0159\u00edtku je \u010dasto prezentov\u00e1no jako hlavn\u00ed \u0159e\u0161en\u00ed v boji proti glob\u00e1ln\u00edmu oteplov\u00e1n\u00ed. P\u0159esto z\u016fst\u00e1v\u00e1 jeho skute\u010dn\u00fd dopad na teploty \u0161patn\u011b pochopen a siln\u011b z\u00e1vis\u00ed na zvolen\u00fdch lokalit\u00e1ch. Ned\u00e1vn\u00e1 anal\u00fdza odhalila, \u017ee zales\u0148ov\u00e1n\u00ed m\u016f\u017ee Zem\u011b skute\u010dn\u011b ochladit, ale s velmi prom\u011bnliv\u00fdmi v\u00fdsledky v z\u00e1vislosti na regionech a zvolen\u00fdch strategi\u00edch.<\/p>\n

Lesy ovliv\u0148uj\u00ed klima dv\u011bma zp\u016fsoby. Zaprv\u00e9 pohlcuj\u00ed oxid uhli\u010dit\u00fd, \u010d\u00edm\u017e sni\u017euj\u00ed jeho hromad\u011bn\u00ed v atmosf\u00e9\u0159e a ochlazuj\u00ed planetu. Zadruh\u00e9 m\u011bn\u00ed m\u00edstn\u00ed prost\u0159ed\u00ed zm\u011bnou odrazu slune\u010dn\u00edho sv\u011btla, vypa\u0159ov\u00e1n\u00ed vody a drsnosti povrchu. V tropick\u00fdch oblastech stromy podporuj\u00ed vypa\u0159ov\u00e1n\u00ed a vytv\u00e1\u0159ej\u00ed mraky, kter\u00e9 odr\u00e1\u017eej\u00ed slune\u010dn\u00ed sv\u011btlo, co\u017e sni\u017euje teploty. Naopak v chladn\u00fdch oblastech, jako je Sibi\u0159 nebo Kanada, tmav\u00e9 lesy pohlcuj\u00ed v\u00edce tepla ne\u017e zasn\u011b\u017een\u00e9 plochy nebo louky, co\u017e m\u016f\u017ee m\u00edstn\u011b zah\u0159\u00edvat atmosf\u00e9ru.<\/p>\n

T\u0159i sc\u00e9n\u00e1\u0159e zales\u0148ov\u00e1n\u00ed byly porovn\u00e1ny pomoc\u00ed pokro\u010dil\u00fdch klimatick\u00fdch model\u016f. Prvn\u00ed p\u0159edpokl\u00e1d\u00e1 masivn\u00ed zales\u0148ov\u00e1n\u00ed na t\u00e9m\u011b\u0159 900 milionech hektar\u016f, p\u0159edev\u0161\u00edm v m\u00edrn\u00fdch a bore\u00e1ln\u00edch z\u00f3n\u00e1ch. Druh\u00fd se soust\u0159ed\u00ed na tropick\u00e9 oblasti, zat\u00edmco t\u0159et\u00ed, skromn\u011bj\u0161\u00ed, pokr\u00fdv\u00e1 p\u0159ibli\u017en\u011b 440 milion\u016f hektar\u016f. V\u00fdsledky ukazuj\u00ed, \u017ee v\u0161echny tyto sc\u00e9n\u00e1\u0159e vedou k glob\u00e1ln\u00edmu ochlazen\u00ed, ale s v\u00fdrazn\u00fdmi rozd\u00edly. Tropick\u00fd sc\u00e9n\u00e1\u0159, i kdy\u017e m\u00e9n\u011b rozs\u00e1hl\u00fd, nab\u00edz\u00ed t\u00e9m\u011b\u0159 stejn\u011b \u00fa\u010dinn\u00e9 ochlazen\u00ed jako ten nejambici\u00f3zn\u011bj\u0161\u00ed, proto\u017ee se vyh\u00fdb\u00e1 oteplovac\u00edm efekt\u016fm pozorovan\u00fdm ve vysok\u00fdch zem\u011bpisn\u00fdch \u0161\u00ed\u0159k\u00e1ch.<\/p>\n

Na m\u00edstn\u00ed \u00farovni zales\u0148ov\u00e1n\u00ed jasn\u011b ochlazuje tropy zv\u00fd\u0161en\u00edm vlhkosti a obla\u010dnosti. V Amazonii, st\u0159edn\u00ed Africe a jihov\u00fdchodn\u00ed Asii teploty klesaj\u00ed d\u00edky st\u00ednu a zv\u00fd\u0161en\u00e9 evapotranspiraci. Naopak v bore\u00e1ln\u00edch oblastech nahrazen\u00ed sn\u011bhu a travnat\u00fdch ploch lesy ztmav\u00ed p\u016fdu a zachyt\u00e1v\u00e1 v\u00edce tepla, \u010d\u00edm\u017e se \u010d\u00e1ste\u010dn\u011b ru\u0161\u00ed p\u0159\u00ednosy spojen\u00e9 s pohlcov\u00e1n\u00edm uhl\u00edku.<\/p>\n

Dal\u0161\u00edm d\u016fle\u017eit\u00fdm jevem je vzd\u00e1len\u00fd vliv les\u016f. Nap\u0159\u00edklad zales\u0148ov\u00e1n\u00ed v Evrop\u011b nebo Severn\u00ed Americe m\u016f\u017ee m\u011bnit atmosf\u00e9rick\u00e9 a oce\u00e1nsk\u00e9 proudy, co\u017e ovliv\u0148uje teploty ve vzd\u00e1len\u00fdch regionech. \u0160patn\u011b um\u00edst\u011bn\u00e9 projekty by tak mohly dokonce zhor\u0161it oteplov\u00e1n\u00ed jinde, zejm\u00e9na zesilov\u00e1n\u00edm vln veder nebo naru\u0161en\u00edm sr\u00e1\u017ekov\u00fdch re\u017eim\u016f.<\/p>\n

Studie zd\u016fraz\u0148uje, \u017ee um\u00edst\u011bn\u00ed nov\u00fdch les\u016f je stejn\u011b d\u016fle\u017eit\u00e9 jako jejich rozloha. C\u00edlen\u00e9 zales\u0148ov\u00e1n\u00ed v tropick\u00fdch a subtropick\u00fdch oblastech maximalizuje klimatick\u00e9 p\u0159\u00ednosy, zat\u00edmco v\u00fdsadba strom\u016f v pol\u00e1rn\u00edch nebo m\u00edrn\u00fdch oblastech m\u016f\u017ee n\u011bkdy m\u00edt opa\u010dn\u00fd efekt. Klimatick\u00e9 politiky by proto m\u011bly br\u00e1t v \u00favahu tyto komplexn\u00ed dynamiky, aby optimalizovaly dopad projekt\u016f zales\u0148ov\u00e1n\u00ed.<\/p>\n

Nakonec, i v tom nejlep\u0161\u00edm p\u0159\u00edpad\u011b m\u016f\u017ee zales\u0148ov\u00e1n\u00ed sn\u00ed\u017eit glob\u00e1ln\u00ed teplotu pouze o n\u011bkolik desetin stupn\u011b do roku 2100. To z\u016fst\u00e1v\u00e1 nedostate\u010dn\u00e9 pro spln\u011bn\u00ed c\u00edl\u016f Pa\u0159\u00ed\u017esk\u00e9 dohody bez drastick\u00e9ho sn\u00ed\u017een\u00ed emis\u00ed sklen\u00edkov\u00fdch plyn\u016f. Lesy hraj\u00ed z\u00e1sadn\u00ed roli, ale nemohou nahradit ambici\u00f3zn\u00ed energetickou transformaci.<\/p>\n

\n

Cr\u00e9dits et attributions<\/h2>\n

Source principale<\/h3>\n

DOI\u00a0:<\/strong> https:\/\/doi.org\/10.1038\/s43247-026-03331-3<\/a><\/p>\n

Titre\u00a0:<\/strong> Reforestation scenarios shape global and regional temperature outcomes<\/p>\n

Revue : <\/strong> Communications Earth & Environment<\/p>\n

\u00c9diteur : <\/strong> Springer Science and Business Media LLC<\/p>\n

Auteurs : <\/strong> Nora L. S. Fahrenbach; Steven J. De Hertog; Felix J\u00e4ger; Peter J. Lawrence; Robert C. Jnglin Wills<\/p>\n","protected":false},"excerpt":{"rendered":"

M\u016f\u017ee zales\u0148ov\u00e1n\u00ed opravdu ochladit planetu a kde je t\u0159eba s\u00e1zet stromy Vysazov\u00e1n\u00ed strom\u016f ve velk\u00e9m m\u011b\u0159\u00edtku je \u010dasto prezentov\u00e1no jako hlavn\u00ed \u0159e\u0161en\u00ed v boji proti glob\u00e1ln\u00edmu oteplov\u00e1n\u00ed. P\u0159esto z\u016fst\u00e1v\u00e1 jeho skute\u010dn\u00fd dopad na teploty \u0161patn\u011b pochopen a siln\u011b z\u00e1vis\u00ed na zvolen\u00fdch lokalit\u00e1ch. Ned\u00e1vn\u00e1 anal\u00fdza odhalila, \u017ee zales\u0148ov\u00e1n\u00ed m\u016f\u017ee Zem\u011b skute\u010dn\u011b ochladit, ale s velmi prom\u011bnliv\u00fdmi… Pokra\u010dovat ve\u00a0\u010dten\u00ed M\u016f\u017ee zales\u0148ov\u00e1n\u00ed opravdu ochladit planetu a kde je t\u0159eba s\u00e1zet stromy<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-15","post","type-post","status-publish","format-standard","hentry","category-zivotni-prostredi","entry"],"_links":{"self":[{"href":"https:\/\/biodiversityreview.com\/cs\/wp-json\/wp\/v2\/posts\/15","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/biodiversityreview.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/biodiversityreview.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/biodiversityreview.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/biodiversityreview.com\/cs\/wp-json\/wp\/v2\/comments?post=15"}],"version-history":[{"count":1,"href":"https:\/\/biodiversityreview.com\/cs\/wp-json\/wp\/v2\/posts\/15\/revisions"}],"predecessor-version":[{"id":16,"href":"https:\/\/biodiversityreview.com\/cs\/wp-json\/wp\/v2\/posts\/15\/revisions\/16"}],"wp:attachment":[{"href":"https:\/\/biodiversityreview.com\/cs\/wp-json\/wp\/v2\/media?parent=15"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/biodiversityreview.com\/cs\/wp-json\/wp\/v2\/categories?post=15"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/biodiversityreview.com\/cs\/wp-json\/wp\/v2\/tags?post=15"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}