{"id":1124,"date":"2004-12-03T10:09:00","date_gmt":"2004-12-03T09:09:00","guid":{"rendered":"https:\/\/kids.esa.int\/disappearing_forests\/"},"modified":"2026-10-08T00:36:16","modified_gmt":"2026-10-07T22:36:16","slug":"disappearing_forests","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/cs\/disappearing_forests\/","title":{"rendered":"Mizej\u00edc\u00ed lesy"},"content":{"rendered":"
\n

Lesy pokr\u00fdvaj\u00ed t\u00e9m\u011b\u0159 t\u0159etinu povrchu pevniny na Zemi. Mnoh\u00e9 z nich jsou tak rozs\u00e1hl\u00e9, \u017ee je lze zmapovat a studovat pouze z vesm\u00edru.<\/p>\n<\/div>\n

Lesy nejsou jen cenn\u00fdm zdrojem d\u0159eva a paliva, ale jsou tak\u00e9 domovem mnoha druh\u016f rostlin a \u017eivo\u010dich\u016f.<\/p>\n

Stromy tak\u00e9 br\u00e1n\u00ed tomu, aby v\u00edtr a d\u00e9\u0161\u0165 odn\u00e1\u0161ely p\u016fdu, ovliv\u0148uj\u00ed m\u00edstn\u00ed klima a ukl\u00e1d\u00e1n\u00edm uhl\u00edku zpomaluj\u00ed klimatick\u00e9 zm\u011bny.<\/p>\n

Bohu\u017eel se lesy rychle zmen\u0161uj\u00ed. Ka\u017ed\u00fd rok jsou lidskou \u010dinnost\u00ed ni\u010deny obrovsk\u00e9 plochy.<\/p>\n

Satelity, kter\u00e9 ob\u00edhaj\u00ed nad n\u00e1mi, dok\u00e1\u017eou b\u011bhem n\u011bkolika dn\u00ed po\u0159\u00eddit detailn\u00ed sn\u00edmky cel\u00e9ho lesa. P\u0159edstavuj\u00ed jedin\u00fd rychl\u00fd a snadn\u00fd zp\u016fsob, jak zmapovat neust\u00e1le se m\u011bn\u00edc\u00ed lesy a pravideln\u011b poskytovat aktu\u00e1ln\u00ed informace o jejich stavu.<\/p>\n

\"Deforestation
Odles\u0148ov\u00e1n\u00ed v brazilsk\u00e9m st\u00e1t\u011b Rond\u00f4nia<\/figcaption><\/figure>\n

Satelity ERS a Envisat agentury ESA jsou vybaveny zobrazovac\u00edm radarem, kter\u00fd vid\u00ed skrz mraky a odhaluje zm\u011bny na povrchu zem\u011b.<\/p>\n

Skener pracuj\u00edc\u00ed ve viditeln\u00e9m a infra\u010derven\u00e9m spektru se pou\u017e\u00edv\u00e1 ke studiu r\u016fstu rostlin a m\u011b\u0159en\u00ed povrchov\u00fdch teplot. Detekuje tak\u00e9 po\u017e\u00e1ry, kter\u00e9 slou\u017e\u00ed k vy\u010di\u0161t\u011bn\u00ed pol\u00ed.<\/p>\n

Satelity dok\u00e1\u017eou dokonce rozli\u0161it r\u016fzn\u00e9 druhy strom\u016f a uk\u00e1zat, v jak\u00e9m zdravotn\u00edm stavu se nach\u00e1zej\u00ed.<\/p>\n

Mapy vytvo\u0159en\u00e9 na z\u00e1klad\u011b satelitn\u00edch sn\u00edmk\u016f pom\u00e1haj\u00ed mana\u017eer\u016fm a m\u00edstn\u00edm org\u00e1n\u016fm chr\u00e1nit a zachov\u00e1vat ub\u00fdvaj\u00edc\u00ed lesy.<\/p>","protected":false},"excerpt":{"rendered":"

Forests cover almost a third of world’s land surface. Many of them are so vast that the only way to map and study them is from space. Forests are not […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2004\/12\/deforastation_012\/17890539-2-eng-GB\/deforastation_01.jpg","esa_banner_description":"","esa_banner_credit":"AP Photo\/Lynne Slandky","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2004\/12\/deforastation_012","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[42,10,43],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-1124","post","type-post","status-publish","format-standard","hentry","category-earth","category-learn","category-protecting-earth","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/1124","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/comments?post=1124"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/1124\/revisions"}],"predecessor-version":[{"id":4860,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/1124\/revisions\/4860"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/media?parent=1124"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/categories?post=1124"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/tags?post=1124"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/panel?post=1124"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/language?post=1124"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/age?post=1124"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/duration?post=1124"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/resource_type?post=1124"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/audience?post=1124"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/wf_post_folders?post=1124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}