{"id":18146,"date":"2019-06-06T21:19:35","date_gmt":"2019-06-06T21:19:35","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=18146"},"modified":"2019-06-06T21:19:35","modified_gmt":"2019-06-06T21:19:35","slug":"sperm-whale-strandings-in-the-north-sea","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/marine-biology\/sperm-whale-strandings-in-the-north-sea\/","title":{"rendered":"Uv\u00e1znut\u00ed vorva\u0148\u016f v Severn\u00edm mo\u0159i: Z\u00e1hada se odkr\u00fdv\u00e1"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Uv\u00e1znut\u00ed vorva\u0148\u016f v Severn\u00edm mo\u0159i: Z\u00e1hada se odkr\u00fdv\u00e1<\/h2>\n\n<h2 class=\"wp-block-heading\">Ned\u00e1vn\u00e1 uv\u00e1znut\u00ed vyvol\u00e1vaj\u00ed obavy<\/h2>\n\n<p>V posledn\u00edch t\u00fddnech uv\u00e1zlo na b\u0159ez\u00edch Severn\u00edho mo\u0159e n\u011bkolik vorva\u0148\u016f. Tato neobvykl\u00e1 ud\u00e1lost zasko\u010dila v\u011bdce a p\u0159im\u011bla je hledat odpov\u011bdi.<\/p>\n\n<h2 class=\"wp-block-heading\">P\u0159\u00ed\u010diny hromadn\u00fdch uv\u00e1znut\u00ed<\/h2>\n\n<p>K hromadn\u00fdm uv\u00e1znut\u00edm velryb m\u016f\u017ee doch\u00e1zet z r\u016fzn\u00fdch d\u016fvod\u016f. Jednou z mo\u017en\u00fdch p\u0159\u00ed\u010din je vystaven\u00ed toxin\u016fm. Toxiny uvol\u0148ovan\u00e9 \u0159asami se mohou dostat do potravinov\u00e9ho \u0159et\u011bzce a zp\u016fsobit onemocn\u011bn\u00ed velryb.<\/p>\n\n<p>Dal\u0161\u00edm faktorem je hlukov\u00e9 zne\u010di\u0161t\u011bn\u00ed zp\u016fsobovan\u00e9 lod\u011bmi a ponorkami, zejm\u00e9na v\u00fdkonn\u00fdm sonarem. Tyto zvuky mohou dezorientovat mo\u0159sk\u00e9 savce, co\u017e vede k tomu, \u017ee ztrat\u00ed orientaci a uv\u00e1znou.<\/p>\n\n<h2 class=\"wp-block-heading\">Vy\u0161et\u0159ov\u00e1n\u00ed uv\u00e1znut\u00ed<\/h2>\n\n<p>V\u011bdci prov\u00e1d\u011bj\u00ed pitvy neboli zv\u00ed\u0159ec\u00ed autopsie na uv\u00e1zl\u00fdch vorvan\u00edch, aby zjistili p\u0159\u00ed\u010dinu smrti. Prvn\u00ed zji\u0161t\u011bn\u00ed nazna\u010duj\u00ed, \u017ee velryby lovily potravu, kdy\u017e uv\u00e1zly.<\/p>\n\n<h2 class=\"wp-block-heading\">V\u00fdzvy v m\u011blk\u00fdch vod\u00e1ch<\/h2>\n\n<p>Vorvani jsou hluboce se pot\u00e1p\u011bj\u00edc\u00ed tvorov\u00e9, kte\u0159\u00ed naviguj\u00ed a komunikuj\u00ed pomoc\u00ed zvuku. M\u011blk\u00fd vody Severn\u00edho mo\u0159e v\u0161ak mohly omezit jejich schopnost efektivn\u011b navigovat a komunikovat.<\/p>\n\n<h2 class=\"wp-block-heading\">Fyziologick\u00e9 \u00fa\u010dinky uv\u00e1znut\u00ed<\/h2>\n\n<p>Kdy\u017e velryba uv\u00e1zne, jej\u00ed obrovsk\u00e1 v\u00e1ha rozdrt\u00ed jej\u00ed vnit\u0159n\u00ed org\u00e1ny a po\u0161kod\u00ed svaly. Toto po\u0161kozen\u00ed uvol\u0148uje toxick\u00e9 proteiny, kter\u00e9 mohou v\u00e9st k selh\u00e1n\u00ed ledvin a dehydrataci, co\u017e \u010dasto kon\u010d\u00ed smrt\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">Etick\u00e9 \u00favahy<\/h2>\n\n<p>Eutanazie je pova\u017eov\u00e1na za nejhum\u00e1nn\u011bj\u0161\u00ed \u0159e\u0161en\u00ed pro uv\u00e1zl\u00e9 vorvan\u011b, kte\u0159\u00ed jsou st\u00e1le na\u017eivu. Kv\u016fli jejich obrovsk\u00e9 velikosti je v\u0161ak utracen\u00ed vorva\u0148\u016f extr\u00e9mn\u011b n\u00e1ro\u010dn\u00e9.<\/p>\n\n<h2 class=\"wp-block-heading\">Budouc\u00ed v\u00fdzkum<\/h2>\n\n<p>Prob\u00edhaj\u00edc\u00ed v\u00fdzkum si klade za c\u00edl objasnit konkr\u00e9tn\u00ed faktory, kter\u00e9 vedly k t\u011bmto ned\u00e1vn\u00fdm uv\u00e1znut\u00edm. V\u011bdci zkoumaj\u00ed faktory, jako jsou hladiny toxin\u016f, hlukov\u00e9 zne\u010di\u0161t\u011bn\u00ed a vzorce hled\u00e1n\u00ed potravy velryb v t\u00e9to oblasti.<\/p>\n\n<h2 class=\"wp-block-heading\">Pochopen\u00ed chov\u00e1n\u00ed vorva\u0148\u016f<\/h2>\n\n<h2 class=\"wp-block-heading\">Potravn\u00ed n\u00e1vyky<\/h2>\n\n<p>Vorvani jsou zn\u00e1m\u00ed t\u00edm, \u017ee se pot\u00e1p\u011bj\u00ed hluboko do oce\u00e1nu, aby ulovili chobotnice a dal\u0161\u00ed ko\u0159ist. Jejich schopnost navigovat a komunikovat pomoc\u00ed zvuku je pro jejich p\u0159e\u017eit\u00ed z\u00e1sadn\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">Vliv hlukov\u00e9ho zne\u010di\u0161t\u011bn\u00ed<\/h2>\n\n<p>V\u00fdkonn\u00fd sonar a dal\u0161\u00ed hlasit\u00e9 zvuky z lod\u00ed a ponorek mohou naru\u0161it schopnost vorva\u0148\u016f navigovat a komunikovat. Tato dezorientace m\u016f\u017ee v\u00e9st k uv\u00e1znut\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">V\u00fdzvy v m\u011blk\u00fdch vod\u00e1ch<\/h2>\n\n<p>M\u011blk\u00e9 vody Severn\u00edho mo\u0159e mohly pro vorvan\u011b vytvo\u0159it akusticky n\u00e1ro\u010dn\u00e9 prost\u0159ed\u00ed. To mohlo naru\u0161it jejich navigaci a komunikaci a zv\u00fd\u0161it riziko uv\u00e1znut\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">Etick\u00e9 dilema uv\u00e1zl\u00fdch velryb<\/h2>\n\n<h2 class=\"wp-block-heading\">Humane zach\u00e1zen\u00ed<\/h2>\n\n<p>Eutanazie je pova\u017eov\u00e1na za nejhum\u00e1nn\u011bj\u0161\u00ed \u0159e\u0161en\u00ed pro uv\u00e1zl\u00e9 vorvan\u011b, kte\u0159\u00ed jsou st\u00e1le na\u017eivu. Obrovsk\u00e1 velikost vorva\u0148\u016f v\u0161ak eutanazii extr\u00e9mn\u011b zt\u011b\u017euje.<\/p>\n\n<h2 class=\"wp-block-heading\">Omezen\u00ed eutanazie<\/h2>\n\n<p>Sou\u010dasn\u00e9 metody eutanazie nejsou vhodn\u00e9 pro velryby tak velk\u00e9, jako jsou vorvani. Pro z\u00e1chran\u00e1\u0159e to p\u0159edstavuje zna\u010dnou etickou v\u00fdzvu.<\/p>\n\n<h2 class=\"wp-block-heading\">Zva\u017eov\u00e1n\u00ed mo\u017enost\u00ed<\/h2>\n\n<p>Z\u00e1chran\u00e1\u0159i mus\u00ed pe\u010dliv\u011b zv\u00e1\u017eit mo\u017enosti eutanazie, p\u0159irozen\u00e9 smrti nebo pokusu o z\u00e1chranu uv\u00e1zl\u00fdch velryb. Ka\u017ed\u00fd p\u0159\u00edpad p\u0159in\u00e1\u0161\u00ed jedine\u010dn\u00e9 v\u00fdzvy a vy\u017eaduje soucitn\u00fd a informovan\u00fd p\u0159\u00edstup.<\/p>\n\n<h2 class=\"wp-block-heading\">Prob\u00edhaj\u00edc\u00ed vy\u0161et\u0159ov\u00e1n\u00ed a budouc\u00ed kroky<\/h2>\n\n<h2 class=\"wp-block-heading\">Pitvy a v\u00fdzkum<\/h2>\n\n<p>Pitvy uv\u00e1zl\u00fdch vorva\u0148\u016f poskytuj\u00ed cenn\u00e9 poznatky o mo\u017en\u00fdch p\u0159\u00ed\u010din\u00e1ch smrti. C\u00edlem prob\u00edhaj\u00edc\u00edho v\u00fdzkumu je d\u00e1le roz\u0161\u00ed\u0159it na\u0161e ch\u00e1p\u00e1n\u00ed chov\u00e1n\u00ed velryb, uv\u00e1znut\u00ed a vlivu lidsk\u00fdch \u010dinnost\u00ed na mo\u0159sk\u00fd \u017eivot.<\/p>\n\n<h2 class=\"wp-block-heading\">Monitorov\u00e1n\u00ed a prevence<\/h2>\n\n<p>V\u011bdci nad\u00e1le monitoruj\u00ed populace velryb a zkoumaj\u00ed potenci\u00e1ln\u00ed hrozby. D\u00edky pochopen\u00ed faktor\u016f, kter\u00e9 p\u0159isp\u00edvaj\u00ed k uv\u00e1znut\u00ed, doufaj\u00ed v\u00fdzkumn\u00edci, \u017ee budou moci vyvinout strategie k prevenci budouc\u00edch ud\u00e1lost\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">Spolupr\u00e1ce a osv\u011bta<\/h2>\n\n<p>Spolupr\u00e1ce mezi v\u011bdci, ochr\u00e1nci p\u0159\u00edrody a ve\u0159ejnost\u00ed je z\u00e1sadn\u00ed pro ochranu velryb a jejich stanovi\u0161\u0165. Zvy\u0161ov\u00e1n\u00ed pov\u011bdom\u00ed o v\u00fdzv\u00e1ch, kter\u00fdm velryby \u010del\u00ed, m\u016f\u017ee pomoci podpo\u0159it snahy o jejich ochranu.<\/p>","protected":false},"excerpt":{"rendered":"<p>Uv\u00e1znut\u00ed vorva\u0148\u016f v Severn\u00edm mo\u0159i: Z\u00e1hada se odkr\u00fdv\u00e1 Ned\u00e1vn\u00e1 uv\u00e1znut\u00ed vyvol\u00e1vaj\u00ed obavy V posledn\u00edch t\u00fddnech uv\u00e1zlo na b\u0159ez\u00edch Severn\u00edho mo\u0159e n\u011bkolik vorva\u0148\u016f. Tato neobvykl\u00e1 ud\u00e1lost zasko\u010dila v\u011bdce a p\u0159im\u011bla je&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[23725,1658,23726,18115,4805],"class_list":["post-18146","post","type-post","status-publish","format-standard","hentry","category-marine-biology","tag-mass-strandings","tag-marine-science","tag-north-sea","tag-sperm-whales","tag-whale-conservation"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/18146","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=18146"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/18146\/revisions"}],"predecessor-version":[{"id":18147,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/18146\/revisions\/18147"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=18146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=18146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=18146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}