{"id":15733,"date":"2022-10-31T17:27:06","date_gmt":"2022-10-31T17:27:06","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=15733"},"modified":"2022-10-31T17:27:06","modified_gmt":"2022-10-31T17:27:06","slug":"whale-fall-feast-deep-sea","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/marine-science\/whale-fall-feast-deep-sea\/","title":{"rendered":"Velryb\u00ed kostra: Hostina pro hlubokomo\u0159sk\u00e9 tvory"},"content":{"rendered":"

Velryb\u00ed kostra: Hostina pro hlubokomo\u0159sk\u00e9 tvory<\/h2>\n\n

Objev kompletn\u00ed kostry velryby<\/h2>\n\n

B\u011bhem pr\u016fzkumu podmo\u0159sk\u00e9ho vrchu Davidson pobl\u00ed\u017e pob\u0159e\u017e\u00ed Kalifornie narazili v\u011bdci z N\u00e1rodn\u00ed n\u00e1mo\u0159n\u00ed rezervace Monterey Bay na pozoruhodn\u00fd objev: kompletn\u00ed kostru kostice le\u017e\u00edc\u00ed na mo\u0159sk\u00e9m dn\u011b. Kostra dlouh\u00e1 p\u0159ibli\u017en\u011b p\u011bt metr\u016f le\u017eela b\u0159ichem vzh\u016fru a poskytla vz\u00e1cn\u00fd pohled do fascinuj\u00edc\u00edho sv\u011bta velryb\u00edch koster.<\/p>\n\n

Velryb\u00ed kostry: Podmo\u0159sk\u00e1 hostina p\u0159\u00edrody<\/h2>\n\n

Kdy\u017e velryba zem\u0159e a klesne ke dnu oce\u00e1nu, vytvo\u0159\u00ed unik\u00e1tn\u00ed ekosyst\u00e9m zn\u00e1m\u00fd jako velryb\u00ed kostra. Velryb\u00ed kostry jsou hotspoty biodiverzity a p\u0159itahuj\u00ed \u0161irokou \u0161k\u00e1lu mrcho\u017erout\u016f a organism\u016f, kter\u00e9 se \u017eiv\u00ed ostatky velryby.<\/p>\n\n

V p\u0159\u00edpad\u011b velryb\u00ed kostry na podmo\u0159sk\u00e9m vrchu Davidson v\u011bdci pozorovali r\u016fzn\u00e9 \u017eivo\u010dichy hoduj\u00edc\u00ed na kost\u0159e, v\u010detn\u011b \u043e\u0441\u044c\u043c\u0438\u043d\u043e\u0433\u016f, \u00faho\u0159\u016f, \u010derv\u016f Osedax, krab\u016f, treskovit\u00fdch ryb, \u0161t\u011btinovc\u016f, mo\u0159sk\u00fdch prasat a velk\u00e9ho kraba poustevn\u00edka. Tito mrcho\u017erouti hraj\u00ed z\u00e1sadn\u00ed roli p\u0159i rozkl\u00e1d\u00e1n\u00ed zbytk\u016f velryby a uvol\u0148ov\u00e1n\u00ed \u017eivin do okoln\u00edho prost\u0159ed\u00ed.<\/p>\n\n

Osmi\u010dky: Neo\u010dek\u00e1van\u00ed hodovn\u00edci<\/h2>\n\n

Jedn\u00edm z nejzaj\u00edmav\u011bj\u0161\u00edch pozorov\u00e1n\u00ed byla p\u0159\u00edtomnost mnoha \u043e\u0441\u044c\u043c\u0438\u043d\u043e\u0433\u016f p\u0159ichycen\u00fdch k p\u00e1te\u0159i a \u017eebr\u016fm velryby. A\u010dkoli jsou \u043e\u0441\u044c\u043c\u0438\u043d\u043e\u0433y obvykle zn\u00e1m\u00e9 t\u00edm, \u017ee lov\u00ed \u017eivou ko\u0159ist, byly v minulosti pozorov\u00e1ny, jak se shroma\u017e\u010fuj\u00ed kolem velryb\u00edch koster. V\u011bdci se domn\u00edvaj\u00ed, \u017ee \u043e\u0441\u044c\u043c\u0438\u043d\u043e\u0433y u velryb\u00ed kostry na podmo\u0159sk\u00e9m vrchu Davidson se \u017eivili mal\u00fdmi kor\u00fd\u0161i a dal\u0161\u00edmi organismy, kter\u00e9 kolonizovaly kostru.<\/p>\n\n

V\u00fdznam velryb\u00edch koster<\/h2>\n\n

Velryb\u00ed kostry jsou \u017eivotn\u011b d\u016fle\u017eit\u00e9 pro zdrav\u00ed hlubokomo\u0159sk\u00fdch ekosyst\u00e9m\u016f. Poskytuj\u00ed potravu a \u00fakryt \u0161irok\u00e9 \u0161k\u00e1le organism\u016f a podporuj\u00ed cel\u00e9 komunity po mnoho let nebo dokonce desetilet\u00ed. V ran\u00fdch st\u00e1di\u00edch rozkladu mrcho\u017erouti ob\u00edraj\u00ed kosti do\u010dista, zat\u00edmco pozd\u011bji bezobratl\u00ed pou\u017e\u00edvaj\u00ed tvrd\u00fd povrch kost\u00ed jako nov\u00fd domov. Jak se organick\u00e9 slou\u010deniny v kostech rozkl\u00e1daj\u00ed, mikroby se \u017eiv\u00ed energi\u00ed uvol\u0148ovanou z chemick\u00fdch reakc\u00ed a po dlouhou dobu udr\u017euj\u00ed ekosyst\u00e9m.<\/p>\n\n

D\u011bsiv\u00fd a v\u011bdeck\u00fd halloweensk\u00fd d\u00e1rek<\/h2>\n\n

Objev velryb\u00ed kostry b\u011bhem obdob\u00ed Halloweenu dodal expedici zvl\u00e1\u0161tn\u00ed atmosf\u00e9ru. V\u011bdci si nemohli nev\u0161imnout ironie n\u00e1lezu velryb\u00ed kostry na podzim a jeden z koment\u00e1tor\u016f vtipn\u011b poznamenal, \u017ee t\u00fdm musel m\u00edt “velryb\u00ed” z\u00e1\u017eitek.<\/p>\n\n

Objev velryb\u00ed kostry nejen poskytl fascinuj\u00edc\u00ed pohled do skryt\u00e9ho sv\u011bta hlubok\u00e9ho mo\u0159e, ale tak\u00e9 zd\u016fraznil v\u00fdznam t\u011bchto jedine\u010dn\u00fdch ekosyst\u00e9m\u016f. Jak v\u011bdci pokra\u010duj\u00ed v pr\u016fzkumu hlubin oce\u00e1nu, odhaluj\u00ed nov\u00e9 poznatky o slo\u017eit\u00fdch interakc\u00edch, kter\u00e9 utv\u00e1\u0159ej\u00ed mo\u0159sk\u00fd \u017eivot.<\/p>","protected":false},"excerpt":{"rendered":"

Velryb\u00ed kostra: Hostina pro hlubokomo\u0159sk\u00e9 tvory Objev kompletn\u00ed kostry velryby B\u011bhem pr\u016fzkumu podmo\u0159sk\u00e9ho vrchu Davidson pobl\u00ed\u017e pob\u0159e\u017e\u00ed Kalifornie narazili v\u011bdci z N\u00e1rodn\u00ed n\u00e1mo\u0159n\u00ed rezervace Monterey Bay na pozoruhodn\u00fd objev: kompletn\u00ed…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1300],"tags":[219,6438,361,1302,20915],"class_list":["post-15733","post","type-post","status-publish","format-standard","hentry","category-marine-science","tag-ecology","tag-deep-sea","tag-marine-biology","tag-oceanography","tag-whale-falls"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/15733","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=15733"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/15733\/revisions"}],"predecessor-version":[{"id":15734,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/15733\/revisions\/15734"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=15733"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=15733"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=15733"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}