{"id":1948,"date":"2022-09-02T01:55:39","date_gmt":"2022-09-02T01:55:39","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=1948"},"modified":"2022-09-02T01:55:39","modified_gmt":"2022-09-02T01:55:39","slug":"glass-sponges-thrive-in-antarcticas-changing-seas","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/marine-biology\/glass-sponges-thrive-in-antarcticas-changing-seas\/","title":{"rendered":"Sklen\u011bn\u00e9 houby vzkv\u00e9taj\u00ed v m\u011bn\u00edc\u00edch se mo\u0159\u00edch Antarktidy"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Sklen\u011bn\u00e9 houby prosperuj\u00ed v m\u011bn\u00edc\u00edch se mo\u0159\u00edch Antarktidy<\/h2>\n\n<h2 class=\"wp-block-heading\">T\u00e1n\u00ed ledov\u00fdch \u0161elf\u016f vytv\u00e1\u0159\u00ed nov\u00e9 prost\u0159ed\u00ed<\/h2>\n\n<p>Jak ledov\u00e9 \u0161elfy kolem Antarktidy taj\u00ed, objevuj\u00ed se nov\u00e9 p\u0159\u00edle\u017eitosti pro mo\u0159sk\u00fd \u017eivot. Sklen\u011bn\u00e9 houby, kdysi omezen\u00e9 na okraje kontinentu, nyn\u00ed vzkv\u00e9taj\u00ed v nov\u011b zbaven\u00fdch ledu oblastech.<\/p>\n\n<p>Zmizen\u00ed ledov\u00fdch \u0161elf\u016f zm\u011bnilo oce\u00e1nsk\u00e9 podm\u00ednky a vytvo\u0159ilo p\u0159\u00edzniv\u011bj\u0161\u00ed prost\u0159ed\u00ed pro sklen\u011bn\u00e9 houby. Tyto houby, kter\u00e9 poskytuj\u00ed \u00fato\u010di\u0161t\u011b rozmanit\u00e9 \u0161k\u00e1le mo\u0159sk\u00fdch organism\u016f, obvykle rostou pomalu. Ned\u00e1vn\u00e9 studie v\u0161ak uk\u00e1zaly, \u017ee mohou r\u016fst rychle v nep\u0159\u00edtomnosti ledov\u00e9ho pokryvu.<\/p>\n\n<h2 class=\"wp-block-heading\">Hojnost potravy stimuluje r\u016fst<\/h2>\n\n<p>T\u00e1n\u00ed ledov\u00fdch \u0161elf\u016f nejen uvolnilo prostor pro r\u016fst sklen\u011bn\u00fdch hub, ale tak\u00e9 zv\u00fd\u0161ilo dostupnost potravy. Kv\u011bty fytoplanktonu, kter\u00e9 jsou pro v\u00fd\u017eivu sklen\u011bn\u00fdch hub nezbytn\u00e9, jsou nyn\u00ed b\u011b\u017en\u011bj\u0161\u00ed v oblastech otev\u0159en\u00e9 vody vytvo\u0159en\u00fdch t\u00e1n\u00edm ledu.<\/p>\n\n<p>T\u00e1n\u00ed ledu nav\u00edc znovu uvolnilo \u010d\u00e1stice a bakterie z mo\u0159sk\u00e9ho dna, co\u017e je \u010din\u00ed p\u0159\u00edstupn\u011bj\u0161\u00edmi pro organismy filtruj\u00edc\u00ed potravu, jako jsou sklen\u011bn\u00e9 houby.<\/p>\n\n<h2 class=\"wp-block-heading\">Rychl\u00fd r\u016fst a kolonizace<\/h2>\n\n<p>Ve studii publikovan\u00e9 v Current Biology v\u011bdci zjistili, \u017ee spole\u010denstv\u00ed sklen\u011bn\u00fdch hub se za pouh\u00e9 \u010dty\u0159i roky od zhroucen\u00ed ledov\u00e9ho \u0161elfu Larsen A zdvojn\u00e1sobila. Mnoho hub byly mal\u00e9 druhy, kter\u00e9 se obvykle nenach\u00e1zej\u00ed na star\u0161\u00edch houbov\u00fdch \u00fatesech.<\/p>\n\n<p>V\u011bdci tak\u00e9 pozorovali v\u00fdrazn\u00e9 zv\u00fd\u0161en\u00ed po\u010dtu hub o objemu 50-100 \u010dtvere\u010dn\u00edch centimetr\u016f, co\u017e nazna\u010duje, \u017ee mlad\u00e9 houby rostly velmi rychle.<\/p>\n\n<h2 class=\"wp-block-heading\">Implikace pro ekosyst\u00e9m<\/h2>\n\n<p>Rychl\u00fd r\u016fst sklen\u011bn\u00fdch hub v Antarktid\u011b je zn\u00e1mkou m\u011bn\u00edc\u00ed se povahy mo\u0159sk\u00e9ho ekosyst\u00e9mu kontinentu. Je mo\u017en\u00e9, \u017ee se sklen\u011bn\u00e9 houby stanou v budoucnu dominantn\u00edmi druhy, proto\u017ee dok\u00e1\u017eou prosperovat ve vod\u00e1ch bohat\u00fdch na \u010d\u00e1stice vytv\u00e1\u0159en\u00fdch t\u00e1n\u00edm ledov\u00fdch \u0161elf\u016f.<\/p>\n\n<p>Je v\u0161ak tak\u00e9 mo\u017en\u00e9, \u017ee tento r\u016fstov\u00fd spurt je kr\u00e1tkodob\u00fd jev. Pouze \u010das uk\u00e1\u017ee, jak se ekosyst\u00e9m antarktick\u00e9ho mo\u0159sk\u00e9ho dna p\u0159izp\u016fsob\u00ed prob\u00edhaj\u00edc\u00edm zm\u011bn\u00e1m klimatu a ledov\u00e9ho pokryvu.<\/p>\n\n<h2 class=\"wp-block-heading\">Monitorov\u00e1n\u00ed a budouc\u00ed v\u00fdzkum<\/h2>\n\n<p>V\u011bdci pe\u010dliv\u011b sleduj\u00ed r\u016fst sklen\u011bn\u00fdch hub v Antarktid\u011b, aby sledovali zm\u011bny v mo\u0159sk\u00e9m ekosyst\u00e9mu. Tento v\u00fdzkum je d\u016fle\u017eit\u00fd pro pochopen\u00ed potenci\u00e1ln\u00edch dopad\u016f zm\u011bny klimatu na antarktick\u00fd bentos a pro p\u0159edpov\u011b\u010f toho, jak se bude ekosyst\u00e9m v budoucnu vyv\u00edjet.<\/p>\n\n<h2 class=\"wp-block-heading\">Dal\u0161\u00ed kl\u00ed\u010dov\u00e1 slova s dlouh\u00fdm \u0445\u0432\u043e\u0441\u0442\u043e\u043c:<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>M\u00edry r\u016fstu sklen\u011bn\u00fdch hub v Antarktid\u011b<\/li>\n<li>Dopady zhroucen\u00ed ledov\u00e9ho \u0161elfu na antarktick\u00fd mo\u0159sk\u00fd \u017eivot<\/li>\n<li>Role kv\u011bt\u016f fytoplanktonu v podpo\u0159e r\u016fstu sklen\u011bn\u00fdch hub<\/li>\n<li>Resuspendov\u00e1n\u00ed \u010d\u00e1stic a bakteri\u00ed t\u00e1n\u00edm ledu<\/li>\n<li>Dlouhodob\u00e9 monitorov\u00e1n\u00ed ekosyst\u00e9m\u016f antarktick\u00e9ho mo\u0159sk\u00e9ho dna<\/li>\n<li>Potenci\u00e1l sklen\u011bn\u00fdch hub st\u00e1t se dominantn\u00edmi druhy v Antarktid\u011b<\/li>\n<li>Zm\u011bna klimatu a budoucnost antarktick\u00fdch mo\u0159sk\u00fdch ekosyst\u00e9m\u016f<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Sklen\u011bn\u00e9 houby prosperuj\u00ed v m\u011bn\u00edc\u00edch se mo\u0159\u00edch Antarktidy T\u00e1n\u00ed ledov\u00fdch \u0161elf\u016f vytv\u00e1\u0159\u00ed nov\u00e9 prost\u0159ed\u00ed Jak ledov\u00e9 \u0161elfy kolem Antarktidy taj\u00ed, objevuj\u00ed se nov\u00e9 p\u0159\u00edle\u017eitosti pro mo\u0159sk\u00fd \u017eivot. Sklen\u011bn\u00e9 houby, kdysi&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[721,219,4159,4160,361,3398,4158,34,4161],"class_list":["post-1948","post","type-post","status-publish","format-standard","hentry","category-marine-biology","tag-antarctica","tag-ecology","tag-phytoplankton","tag-seafloor","tag-marine-biology","tag-ocean-acidification","tag-glass-sponges","tag-climate-change","tag-zooplankton"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/1948","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=1948"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/1948\/revisions"}],"predecessor-version":[{"id":1949,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/1948\/revisions\/1949"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=1948"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=1948"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=1948"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}