{"id":15,"date":"2026-03-18T22:12:56","date_gmt":"2026-03-18T21:12:56","guid":{"rendered":"https:\/\/biodiversityreview.com\/sk\/2026\/03\/18\/moze-oblesnovanie-skutocne-ochladit-planetu-a-kde-treba-sadzit-stromy\/"},"modified":"2026-03-18T22:15:34","modified_gmt":"2026-03-18T21:15:34","slug":"moze-oblesnovanie-skutocne-ochladit-planetu-a-kde-treba-sadzit-stromy","status":"publish","type":"post","link":"https:\/\/biodiversityreview.com\/sk\/2026\/03\/18\/moze-oblesnovanie-skutocne-ochladit-planetu-a-kde-treba-sadzit-stromy\/","title":{"rendered":"M\u00f4\u017ee obles\u0148ovanie skuto\u010dne ochladi\u0165 plan\u00e9tu a kde treba sadzi\u0165 stromy"},"content":{"rendered":"

\"M\u00f4\u017ee<\/p>\n

M\u00f4\u017ee obles\u0148ovanie skuto\u010dne ochladi\u0165 plan\u00e9tu a kde treba sadzi\u0165 stromy<\/h1>\n

Ve\u013ekorozsiahle sadenie stromov sa \u010dasto prezentuje ako hlavn\u00e9 rie\u0161enie v boji proti glob\u00e1lnemu otep\u013eovaniu. Napriek tomu jeho skuto\u010dn\u00fd dopad na teploty ost\u00e1va nedostato\u010dne pochopen\u00fd a silne z\u00e1vis\u00ed od vybran\u00fdch miest. Ned\u00e1vna anal\u00fdza uk\u00e1zala, \u017ee obles\u0148ovanie m\u00f4\u017ee skuto\u010dne ochladi\u0165 Zem, ale s ve\u013emi r\u00f4znymi v\u00fdsledkami pod\u013ea regi\u00f3nov a zvolen\u00fdch strat\u00e9gi\u00ed.<\/p>\n

Lesy ovplyv\u0148uj\u00fa kl\u00edmu dvoma sp\u00f4sobmi. Na jednej strane zachyt\u00e1vaj\u00fa oxid uhli\u010dit\u00fd, \u010do zni\u017euje jeho akumul\u00e1ciu v atmosf\u00e9re a ochladzuje plan\u00e9tu. Na druhej strane menia miestne prostredie zmenou odrazu slne\u010dn\u00e9ho \u017eiarenia, v\u00fdparu vody a drsnosti povrchu. V tropick\u00fdch oblastiach stromy podporuj\u00fa v\u00fdpar a vytv\u00e1raj\u00fa oblaky, ktor\u00e9 odr\u00e1\u017eaj\u00fa slne\u010dn\u00e9 l\u00fa\u010de, \u010do zni\u017euje teploty. Naopak v chladn\u00fdch regi\u00f3noch, ako je Sib\u00edr alebo Kanada, tmav\u00e9 lesy absorbuj\u00fa viac tepla ako zasne\u017een\u00e9 plochy alebo l\u00faky, \u010do m\u00f4\u017ee miestne ohrieva\u0165 atmosf\u00e9ru.<\/p>\n

Tri scen\u00e1re obles\u0148ovania boli porovnan\u00e9 pomocou pokro\u010dil\u00fdch klimatick\u00fdch modelov. Prvn\u00ed predpoklad\u00e1 mas\u00edvne obles\u0148ovanie na takmer 900 mili\u00f3noch hekt\u00e1rov, hlavne v miernych a bore\u00e1lnych z\u00f3nach. Druh\u00fd sa s\u00fastred\u00ed na tropick\u00e9 regi\u00f3ny, zatia\u013e \u010do tret\u00ed, skromnej\u0161\u00ed, pokr\u00fdva pribli\u017ene 440 mili\u00f3nov hekt\u00e1rov. V\u00fdsledky ukazuj\u00fa, \u017ee v\u0161etky tieto scen\u00e1re ved\u00fa k glob\u00e1lnemu ochladzovaniu, ale s v\u00fdrazn\u00fdmi rozdielmi. Tropick\u00fd scen\u00e1r, hoci je menej rozsiahly, pon\u00faka takmer rovnako \u00fa\u010dinn\u00e9 ochladzovanie ako ten najambici\u00f3znej\u0161\u00ed, preto\u017ee sa vyh\u00fdba otep\u013eovac\u00edm efektom pozorovan\u00fdm vo vysok\u00fdch zemepisn\u00fdch \u0161\u00edrkach.<\/p>\n

Na miestnej \u00farovni obles\u0148ovanie jasne ochladzuje tropy zvy\u0161ovan\u00edm vlhkosti a obla\u010dnosti. V Amaz\u00f3nii, strednej Afrike a juhov\u00fdchodnej \u00c1zii teploty klesaj\u00fa v\u010faka tie\u0148u a zv\u00fd\u0161enej evapotranspir\u00e1cii. Naopak v bore\u00e1lnych z\u00f3nach nahradenie snehu a tr\u00e1vy lesmi ztmav\u00ed p\u00f4du a zachyt\u00e1va viac tepla, \u010do zni\u017euje v\u00fdhody spojen\u00e9 so zachyt\u00e1van\u00edm uhl\u00edka.<\/p>\n

\u010eal\u0161\u00edm d\u00f4le\u017eit\u00fdm javom je vzdialen\u00fd vplyv lesov. Napr\u00edklad obles\u0148ovanie v Eur\u00f3pe alebo Severnej Amerike m\u00f4\u017ee meni\u0165 atmosf\u00e9rick\u00e9 a oce\u00e1nske pr\u00fady, \u010do ovplyv\u0148uje teploty v vzdialen\u00fdch regi\u00f3noch. Teda zle umiestnen\u00e9 projekty by mohli dokonca zhor\u0161i\u0165 otep\u013eovanie inde, najm\u00e4 posilnen\u00edm v\u013an hor\u00fa\u010davy alebo naru\u0161en\u00edm da\u017e\u010fov\u00fdch re\u017eimov.<\/p>\n

\u0160t\u00fadia zd\u00f4raz\u0148uje, \u017ee umiestnenie nov\u00fdch lesov je tak\u00e9 d\u00f4le\u017eit\u00e9 ako ich rozloha. Cielen\u00e9 obles\u0148ovanie v tropick\u00fdch a subtropick\u00fdch oblastiach maximalizuje klimatick\u00e9 v\u00fdhody, zatia\u013e \u010do sadenie stromov v pol\u00e1rnych alebo miernych regi\u00f3noch m\u00f4\u017ee niekedy ma\u0165 opa\u010dn\u00fd \u00fa\u010dinkok. Klimatick\u00e9 politiky musia teda bra\u0165 do \u00favahy tieto komplexn\u00e9 dynamiky, aby optimalizovali dopad projektov obles\u0148ovania.<\/p>\n

Napokon, aj v najlep\u0161om pr\u00edpade m\u00f4\u017ee obles\u0148ovanie zn\u00ed\u017ei\u0165 glob\u00e1lnu teplotu len o nieko\u013eko desat\u00edn stup\u0148a do roku 2100. To st\u00e1le nie je dostato\u010dn\u00e9 na dosiahnutie cie\u013eov Par\u00ed\u017eskej dohody bez drastick\u00e9ho zn\u00ed\u017eenia emisii sklen\u00edkov\u00fdch plynov. Lesy hraj\u00fa k\u013e\u00fa\u010dov\u00fa \u00falohu, ale nem\u00f4\u017eu nahradi\u0165 ambici\u00f3znu energetick\u00fa transform\u00e1ciu.<\/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\u00f4\u017ee obles\u0148ovanie skuto\u010dne ochladi\u0165 plan\u00e9tu a kde treba sadzi\u0165 stromy Ve\u013ekorozsiahle sadenie stromov sa \u010dasto prezentuje ako hlavn\u00e9 rie\u0161enie v boji proti glob\u00e1lnemu otep\u013eovaniu. Napriek tomu jeho skuto\u010dn\u00fd dopad na teploty ost\u00e1va nedostato\u010dne pochopen\u00fd a silne z\u00e1vis\u00ed od vybran\u00fdch miest. Ned\u00e1vna anal\u00fdza uk\u00e1zala, \u017ee obles\u0148ovanie m\u00f4\u017ee skuto\u010dne ochladi\u0165 Zem, ale s ve\u013emi r\u00f4znymi v\u00fdsledkami pod\u013ea… Pokra\u010dova\u0165 v \u010d\u00edtan\u00ed M\u00f4\u017ee obles\u0148ovanie skuto\u010dne ochladi\u0165 plan\u00e9tu a kde treba sadzi\u0165 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-zivotne-prostredie","entry"],"_links":{"self":[{"href":"https:\/\/biodiversityreview.com\/sk\/wp-json\/wp\/v2\/posts\/15","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/biodiversityreview.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/biodiversityreview.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/biodiversityreview.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/biodiversityreview.com\/sk\/wp-json\/wp\/v2\/comments?post=15"}],"version-history":[{"count":1,"href":"https:\/\/biodiversityreview.com\/sk\/wp-json\/wp\/v2\/posts\/15\/revisions"}],"predecessor-version":[{"id":16,"href":"https:\/\/biodiversityreview.com\/sk\/wp-json\/wp\/v2\/posts\/15\/revisions\/16"}],"wp:attachment":[{"href":"https:\/\/biodiversityreview.com\/sk\/wp-json\/wp\/v2\/media?parent=15"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/biodiversityreview.com\/sk\/wp-json\/wp\/v2\/categories?post=15"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/biodiversityreview.com\/sk\/wp-json\/wp\/v2\/tags?post=15"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}