{"id":13357,"date":"2023-04-04T22:44:30","date_gmt":"2023-04-04T22:44:30","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=13357"},"modified":"2023-04-04T22:44:30","modified_gmt":"2023-04-04T22:44:30","slug":"humans-caused-major-shift-earths-ecosystems-6000-years-ago","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/ecology-and-evolution\/humans-caused-major-shift-earths-ecosystems-6000-years-ago\/","title":{"rendered":"Lidsk\u00fd vliv na ekosyst\u00e9my Zem\u011b za posledn\u00edch 6000 let"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Lid\u00e9 zp\u016fsobili z\u00e1sadn\u00ed zm\u011bnu v ekosyst\u00e9mech Zem\u011b p\u0159ed 6000 lety<\/h2>\n\n<h2 class=\"wp-block-heading\">Antropoc\u00e9n: Nov\u00e1 \u00e9ra lidsk\u00e9 nadvl\u00e1dy<\/h2>\n\n<p>Po v\u00edce ne\u017e 300 milion\u016f let n\u00e1sledovalo rozm\u00edst\u011bn\u00ed rostlin a \u017eivo\u010dich\u016f na Zemi konzistentn\u00ed vzor: druhy m\u011bly tendenci se shroma\u017e\u010fovat spole\u010dn\u011b ve specifick\u00fdch stanovi\u0161t\u00edch. Nov\u00e1 studie publikovan\u00e1 v \u010dasopise Nature v\u0161ak odhaluje, \u017ee se tento vzor dramaticky zm\u011bnil asi p\u0159ed 6 000 lety, co\u017e se shoduje s n\u00e1stupem lidsk\u00e9ho zem\u011bd\u011blstv\u00ed a r\u016fstem populace.<\/p>\n\n<h2 class=\"wp-block-heading\">Zji\u0161t\u011bn\u00ed studie<\/h2>\n\n<p>V\u00fdzkumn\u00edci zkoumali t\u00e9m\u011b\u0159 360 000 p\u00e1r\u016f organism\u016f z 80 komunit na r\u016fzn\u00fdch kontinentech. Zjistili, \u017ee p\u0159ed 6 000 lety vykazovalo 64 % p\u00e1r\u016f druh\u016f v\u00fdznamn\u00fd vztah, co\u017e znamen\u00e1, \u017ee se \u010dasto nach\u00e1zeli spole\u010dn\u011b ve stejn\u00e9m stanovi\u0161ti. Po 6 000 letech se v\u0161ak toto \u010d\u00edslo sn\u00ed\u017eilo na 37 %. To nazna\u010duje, \u017ee se druhy staly v\u00edce odd\u011blen\u00fdmi nebo m\u00e9n\u011b pravd\u011bpodobn\u011b se budou nach\u00e1zet spole\u010dn\u011b.<\/p>\n\n<h2 class=\"wp-block-heading\">Role \u010dlov\u011bka<\/h2>\n\n<p>V\u011bdci nemohou s jistotou \u0159\u00edci, pro\u010d k t\u00e9to zm\u011bn\u011b do\u0161lo, ale vylou\u010dili jin\u00e1 mo\u017en\u00e1 vysv\u011btlen\u00ed, jako je zm\u011bna klimatu. Domn\u00edvaj\u00ed se, \u017ee nejpravd\u011bpodobn\u011bj\u0161\u00ed p\u0159\u00ed\u010dinou jsou lidsk\u00e9 \u010dinnosti, jako je ni\u010den\u00ed a fragmentace stanovi\u0161\u0165.<\/p>\n\n<h2 class=\"wp-block-heading\">D\u016fsledky pro budoucnost<\/h2>\n\n<p>Tato zm\u011bna v rozm\u00edst\u011bn\u00ed druh\u016f m\u00e1 v\u00fdznamn\u00e9 d\u016fsledky pro budoucnost \u017eivota na Zemi. Mohla by u\u010dinit druhy zraniteln\u011bj\u0161\u00edmi v\u016f\u010di vyhynut\u00ed, proto\u017ee mezi nimi existuje m\u00e9n\u011b spojen\u00ed. Mohlo by tak\u00e9 zt\u00ed\u017eit p\u0159edv\u00edd\u00e1n\u00ed, jak budou druhy reagovat na zm\u011bnu klimatu.<\/p>\n\n<h2 class=\"wp-block-heading\">Nov\u00e1 f\u00e1ze evoluce?<\/h2>\n\n<p>N\u011bkte\u0159\u00ed v\u011bdci se domn\u00edvaj\u00ed, \u017ee tato zm\u011bna v rozm\u00edst\u011bn\u00ed druh\u016f by mohla b\u00fdt zn\u00e1mkou toho, \u017ee vstupujeme do nov\u00e9 f\u00e1ze evoluce. Poukazuj\u00ed na skute\u010dnost, \u017ee lid\u00e9 jsou nyn\u00ed dominantn\u00edm druhem na Zemi a maj\u00ed hlubok\u00fd dopad na biosf\u00e9ru. Tento dopad zahrnuje homogenizaci rostlin a \u017eivo\u010dich\u016f, zav\u00e1d\u011bn\u00ed obrovsk\u00e9ho mno\u017estv\u00ed nov\u00e9 energie do zemsk\u00e9ho syst\u00e9mu a rostouc\u00ed integraci technologi\u00ed do lidsk\u00fdch interakc\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">Dlouhodob\u00e9 dopady<\/h2>\n\n<p>Pokud by bylo mo\u017en\u00e9 v\u00fdsledky Lyonse replikovat v z\u00e1znamech fosili\u00ed v jin\u00fdch \u010d\u00e1stech sv\u011bta, dok\u00e1zalo by to, \u017ee n\u00e1\u0161 glob\u00e1ln\u00ed vliv na v\u00fdvoj \u017eivota na Zemi za\u010dal p\u0159ed tis\u00edci lety. To by m\u011blo hlubok\u00e9 d\u016fsledky pro na\u0161e ch\u00e1p\u00e1n\u00ed antropoc\u00e9nu a dlouhodob\u00fdch dopad\u016f lidsk\u00e9 \u010dinnosti na planetu.<\/p>\n\n<h2 class=\"wp-block-heading\">Prevence negativn\u00edch d\u016fsledk\u016f<\/h2>\n\n<p>Je d\u016fle\u017eit\u00e9 poznamenat, \u017ee zm\u011bna v rozm\u00edst\u011bn\u00ed druh\u016f nutn\u011b neznamen\u00e1, \u017ee v\u0161echny druhy vyhynou. Zd\u016fraz\u0148uje v\u0161ak pot\u0159ebu p\u0159ijmout opat\u0159en\u00ed na ochranu biologick\u00e9 rozmanitosti a zm\u00edrn\u011bn\u00ed negativn\u00edch dopad\u016f lidsk\u00fdch \u010dinnost\u00ed na \u017eivotn\u00ed prost\u0159ed\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">Ot\u00e1zky k zamy\u0161len\u00ed<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Jak m\u016f\u017eeme zabr\u00e1nit tomu, aby zm\u011bna v rozm\u00edst\u011bn\u00ed druh\u016f m\u011bla negativn\u00ed d\u016fsledky?<\/li>\n<li>Jak\u00e9 jsou dlouhodob\u00e9 d\u016fsledky lidsk\u00e9ho vlivu na biosf\u00e9ru?<\/li>\n<li>Vstupujeme do nov\u00e9 f\u00e1ze evoluce?<\/li>\n<li>Co p\u0159inese budoucnost \u017eivotu na Zemi?<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Lid\u00e9 zp\u016fsobili z\u00e1sadn\u00ed zm\u011bnu v ekosyst\u00e9mech Zem\u011b p\u0159ed 6000 lety Antropoc\u00e9n: Nov\u00e1 \u00e9ra lidsk\u00e9 nadvl\u00e1dy Po v\u00edce ne\u017e 300 milion\u016f let n\u00e1sledovalo rozm\u00edst\u011bn\u00ed rostlin a \u017eivo\u010dich\u016f na Zemi konzistentn\u00ed vzor:&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5143],"tags":[3774,395,3490,136,640,137,3782,342],"class_list":["post-13357","post","type-post","status-publish","format-standard","hentry","category-ecology-and-evolution","tag-anthropocene","tag-biodiversity","tag-ecosystems","tag-evolution","tag-human-impact","tag-paleontology","tag-scienceart","tag-life-science"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/13357","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=13357"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/13357\/revisions"}],"predecessor-version":[{"id":13358,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/13357\/revisions\/13358"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=13357"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=13357"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=13357"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}