{"id":14010,"date":"2024-09-02T10:38:17","date_gmt":"2024-09-02T10:38:17","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=14010"},"modified":"2024-09-02T10:38:17","modified_gmt":"2024-09-02T10:38:17","slug":"massive-red-crab-swarm-baffles-marine-biologists","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/marine-biology\/massive-red-crab-swarm-baffles-marine-biologists\/","title":{"rendered":"Masivn\u00ed hejno \u010derven\u00fdch krab\u016f zm\u00e1tlo v\u011bdce"},"content":{"rendered":"

Hejno \u010derven\u00fdch krab\u016f zm\u00e1tlo mo\u0159sk\u00e9 biology<\/h2>\n\n

Objev masivn\u00edho hejna<\/h2>\n\n

B\u011bhem ponorn\u00e9ho ponoru u pob\u0159e\u017e\u00ed Panamy byli mo\u0159\u0161t\u00ed biologov\u00e9 sv\u011bdky mimo\u0159\u00e1dn\u00e9ho \u00fakazu: masivn\u00ed hejno tis\u00edc\u016f \u010derven\u00fdch krab\u016f pochoduj\u00edc\u00edch po dn\u011b oce\u00e1nu. Toto bezprecedentn\u00ed chov\u00e1n\u00ed zanechalo v\u011bdce zmaten\u00e9.<\/p>\n\n

Unik\u00e1tn\u00ed jev<\/h2>\n\n

“Nem\u011bli jsme tu\u0161en\u00ed, co zp\u016fsobuje tento velk\u00fd oblak, dokud jsme nevid\u011bli, jak se pohybuj\u00ed jako hmyz,” \u0159ekl Jes\u00fas Pineda, biolog z Woods Hole Oceanographic Institution. “Nic takov\u00e9ho jsme je\u0161t\u011b nikdy nevid\u011bli.”<\/p>\n\n

Hejno bylo spat\u0159eno u z\u00e1kladny podmo\u0159sk\u00e9 hory Hannibal Bank, podmo\u0159sk\u00e9ho vrcholu p\u0159ibli\u017en\u011b 1200 stop pod hladinou. P\u0159esto\u017ee je Hannibal Bank zn\u00e1m\u00fd sv\u00fdm rozmanit\u00fdm mo\u0159sk\u00fdm \u017eivotem, takov\u00e1 velk\u00e1 shrom\u00e1\u017ed\u011bn\u00ed \u010derven\u00fdch krab\u016f v t\u00e9to oblasti nikdy nebyla pozorov\u00e1na.<\/p>\n\n

Bezprecedentn\u00ed hustota<\/h2>\n\n

\u010cist\u00fd po\u010det krab\u016f v hejn\u016f byl ohromuj\u00edc\u00ed, s odhadem sedmi krab\u016f na \u010dtvere\u010dn\u00ed stopu. Tato hustota je bezprecedentn\u00ed a \u010din\u00ed z n\u011bj nejv\u011bt\u0161\u00ed a nejhust\u0161\u00ed hejno \u010derven\u00fdch krab\u016f, jak\u00e9 kdy bylo zaznamen\u00e1no.<\/p>\n\n

Hypoxi\u010dn\u00ed habitat<\/h2>\n\n

Zaj\u00edmav\u00e9 je, \u017ee hejno bylo nalezeno v oblasti s n\u00edzkou hladinou kysl\u00edku, zn\u00e1m\u00e9 jako “hypoxi\u010dn\u00ed oblast”. P\u0159esto\u017ee byli \u010derven\u00ed krabi v podobn\u00fdch prost\u0159ed\u00edch spat\u0159eni i d\u0159\u00edve, v\u011bdci spekuluj\u00ed, \u017ee se mohli v t\u00e9to oblasti shrom\u00e1\u017edit, aby hledali \u00fakryt p\u0159ed pred\u00e1tory.<\/p>\n\n

D\u016fsledky zm\u011bny klimatu<\/h2>\n\n

Studium prost\u0159ed\u00ed s nedostatkem kysl\u00edku, jako je toto, se st\u00e1v\u00e1 st\u00e1le d\u016fle\u017eit\u011bj\u0161\u00ed, proto\u017ee zm\u011bna klimatu oh\u0159\u00edv\u00e1 oce\u00e1ny a vede k roz\u0161i\u0159ov\u00e1n\u00ed t\u011bchto hypoxi\u010dn\u00edch oblast\u00ed. Studiem takov\u00fdch prost\u0159ed\u00ed doufaj\u00ed v\u011bdci z\u00edskat poznatky o tom, jak zm\u011bna klimatu ovliv\u0148uje mo\u0159sk\u00e9 ekosyst\u00e9my.<\/p>\n\n

Prozkoum\u00e1v\u00e1n\u00ed podmo\u0159sk\u00fdch hor<\/h2>\n\n

Podmo\u0159sk\u00e9 hory, jako je podmo\u0159sk\u00e1 hora Hannibal Bank, jsou obrovsk\u00e9 a z velk\u00e9 \u010d\u00e1sti neprob\u00e1dan\u00e9, p\u0159i\u010dem\u017e m\u00e9n\u011b ne\u017e jedno procento bylo d\u016fkladn\u011b prozkoum\u00e1no. Zaznamen\u00e1n\u00ed hejna \u010derven\u00fdch krab\u016f zd\u016fraz\u0148uje potenci\u00e1l pro objevov\u00e1n\u00ed nov\u00e9ho a fascinuj\u00edc\u00edho mo\u0159sk\u00e9ho \u017eivota v t\u011bchto neprob\u00e1dan\u00fdch hloubk\u00e1ch.<\/p>\n\n

Rozmanit\u00fd ekosyst\u00e9m<\/h2>\n\n

B\u011bhem stejn\u00e9ho ponoru Pineda a jeho t\u00fdm pozorovali \u0161irokou \u0161k\u00e1lu dal\u0161\u00edch mo\u0159sk\u00fdch \u017eivo\u010dich\u016f, v\u010detn\u011b rejnok\u016f, chobotnic, m\u011bkk\u00fdch kor\u00e1l\u016f a mo\u0159sk\u00fdch je\u017ek\u016f. Tento bohat\u00fd ekosyst\u00e9m nazna\u010duje, \u017ee Hannibal Bank je prosperuj\u00edc\u00edm stanovi\u0161t\u011bm pro \u0161irokou \u0161k\u00e1lu mo\u0159sk\u00fdch druh\u016f.<\/p>\n\n

Budouc\u00ed v\u00fdzkum<\/h2>\n\n

V\u011bdci pl\u00e1nuj\u00ed vr\u00e1tit se na m\u00edsto \u010dinu, aby provedli dal\u0161\u00ed v\u00fdzkum hejna \u010derven\u00fdch krab\u016f a okoln\u00edho ekosyst\u00e9mu. Doufaj\u00ed, \u017ee odhal\u00ed d\u016fvody neobvykl\u00e9ho chov\u00e1n\u00ed krab\u016f a tak\u00e9 z\u00edskaj\u00ed lep\u0161\u00ed pochopen\u00ed slo\u017eit\u00fdch interakc\u00ed mezi druhy v tomto jedine\u010dn\u00e9m podmo\u0159sk\u00e9m prost\u0159ed\u00ed.<\/p>\n\n

Tento mimo\u0159\u00e1dn\u00fd objev masivn\u00edho hejna \u010derven\u00fdch krab\u016f nejen roz\u0161i\u0159uje na\u0161e znalosti o mo\u0159sk\u00e9m \u017eivot\u011b, ale tak\u00e9 zd\u016fraz\u0148uje d\u016fle\u017eitost pokra\u010duj\u00edc\u00edho pr\u016fzkumu a v\u00fdzkumu v obrovsk\u00e9 a tajemn\u00e9 \u0159\u00ed\u0161i hlubok\u00e9ho mo\u0159e.<\/p>","protected":false},"excerpt":{"rendered":"

Hejno \u010derven\u00fdch krab\u016f zm\u00e1tlo mo\u0159sk\u00e9 biology Objev masivn\u00edho hejna B\u011bhem ponorn\u00e9ho ponoru u pob\u0159e\u017e\u00ed Panamy byli mo\u0159\u0161t\u00ed biologov\u00e9 sv\u011bdky mimo\u0159\u00e1dn\u00e9ho \u00fakazu: masivn\u00ed hejno tis\u00edc\u016f \u010derven\u00fdch krab\u016f pochoduj\u00edc\u00edch po dn\u011b oce\u00e1nu.…<\/p>\n","protected":false},"author":2,"featured_media":24219,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[309,6438,265,361,252,362,18856,18857],"class_list":["post-14010","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-marine-biology","tag-animal-behavior","tag-deep-sea","tag-marine-life","tag-marine-biology","tag-nature","tag-ocean-exploration","tag-red-crabs","tag-underwater-photography"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/14010","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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=14010"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/14010\/revisions"}],"predecessor-version":[{"id":24220,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/14010\/revisions\/24220"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media\/24219"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=14010"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=14010"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=14010"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}