{"id":44403,"date":"2026-08-05T11:19:13","date_gmt":"2026-08-05T11:19:13","guid":{"rendered":"https:\/\/cp.snarskis.lt\/index.php\/2026\/08\/05\/odesos-srities-tuzlu-limanuose-vanduo-paraudo-mokslininkai-paaiskino-kokie-mikroorganizmai-tai-lemia\/"},"modified":"2026-08-05T11:19:13","modified_gmt":"2026-08-05T11:19:13","slug":"odesos-srities-tuzlu-limanuose-vanduo-paraudo-mokslininkai-paaiskino-kokie-mikroorganizmai-tai-lemia","status":"publish","type":"post","link":"https:\/\/cp.snarskis.lt\/index.php\/2026\/08\/05\/odesos-srities-tuzlu-limanuose-vanduo-paraudo-mokslininkai-paaiskino-kokie-mikroorganizmai-tai-lemia\/","title":{"rendered":"Odesos srities Tuzl\u0173 limanuose vanduo paraudo: mokslininkai paai\u0161kino, kokie mikroorganizmai tai lemia"},"content":{"rendered":"<p class=\"article__like-h2\">Odesos srities Tuzl\u0173 liman\u0173 nacionaliniame gamtos parke dalis s\u016bri\u0173 vandens telkini\u0173 \u012fgavo ry\u0161k\u0173 rausvai raudon\u0105 atspalv\u012f. Parko mokslininkai teigia, kad tai nat\u016bralus vasaros rei\u0161kinys, susij\u0119s su kar\u0161\u010diu ir intensyviu vandens garavimu.<\/p>\n<p>Apie poky\u010dius prane\u0161\u0117 parko tyrim\u0173 padalinio vadovas, biologijos moksl\u0173 daktaras Ivanas Rusevas. Pasak jo, tokia spalva da\u017eniausiai pasirodo tuomet, kai d\u0117l auk\u0161tos temperat\u016bros ir stiprios saul\u0117s spinduliuot\u0117s staigiai pakinta telkini\u0173 druskingumas.<\/p>\n<h2 class=\"article__like-h2\">Kas nuda\u017eo vanden\u012f?<\/h2>\n<p>Pagrindiniu \u201eda\u017eytoju\u201c \u012fvardijami mikrodumbliai Dunaliella salina. \u012eprastomis s\u0105lygomis \u0161i vienal\u0105st\u0117 r\u016b\u0161is atrodo \u017ealsva, ta\u010diau did\u0117jant druskingumui ir saul\u0117s intensyvumui ji pradeda gaminti daug beta karotino.<\/p>\n<p>Beta karotinas yra oran\u017ei\u0161kai raudonas pigmentas, padedantis mikroorganizmams apsisaugoti nuo ultravioletini\u0173 spinduli\u0173 ir oksidacinio streso. D\u0117l to vanduo, ypa\u010d sekliose ir labiau \u012f\u0161ylan\u010diose vietose, gali \u012fgauti rausv\u0105 ar net sodriai raudon\u0105 spalv\u0105.<\/p>\n<p>Specialistai pabr\u0117\u017eia, kad svarbus ir kitas veiksnys: telkiniams toliau garuojant bei did\u0117jant drusk\u0173 koncentracijai, suaktyv\u0117ja halofilin\u0117s arch\u0117jos, tarp j\u0173 Halobacterium. \u0160ie mikroorganizmai turi pigment\u0105 bakteriorodopsin\u0105, kuris sustiprina purpurinius ir raudonus atspalvius.<\/p>\n<h2 class=\"article__like-h2\">K\u0105 tai rei\u0161kia gamtai ir \u017emon\u0117ms?<\/h2>\n<p>Mokslininkai pa\u017eymi, kad pats vandens paraudimas neb\u016btinai signalizuoja tar\u0161\u0105 ar avarij\u0105. Da\u017eniausiai tai sezoninis pokytis s\u016briuose limanuose, kai kar\u0161tis, ma\u017eas krituli\u0173 kiekis ir aktyvus garavimas sukuria palankias s\u0105lygas ekstremofilams daugintis.<\/p>\n<p>Vis d\u0117lto tokie epizodai yra ir indikatorius, kaip jautriai ekosistemos reaguoja \u012f or\u0173 anomalijas bei ilg\u0117jan\u010dius kar\u0161\u010dio laikotarpius. Parko specialistai ragina steb\u0117ti telkini\u0173 b\u016bkl\u0119, o lankytojams primena laikytis saugom\u0173 teritorij\u0173 taisykli\u0173 ir netrikdyti jautri\u0173 pakran\u010di\u0173 buveini\u0173.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tuzl\u0173 limanuose Odesos srityje vanduo nusida\u017e\u0117 raudonai: mokslininkai ai\u0161kina, kad tai lemia kar\u0161tis, garavimas ir s\u016bri\u0173 telkini\u0173 mikroorganizmai.<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7],"tags":[34337,34335,101,34336,671,147,6199],"miestas":[],"class_list":["post-44403","post","type-post","status-publish","format-standard","hentry","category-technologijos","tag-druskingumas","tag-dunaliella-salina","tag-ekologija","tag-halobacterium","tag-karscio-bangos","tag-odesos-sritis","tag-tuzlu-limanai"],"acf":[],"_links":{"self":[{"href":"https:\/\/cp.snarskis.lt\/index.php\/wp-json\/wp\/v2\/posts\/44403","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cp.snarskis.lt\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cp.snarskis.lt\/index.php\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/cp.snarskis.lt\/index.php\/wp-json\/wp\/v2\/comments?post=44403"}],"version-history":[{"count":0,"href":"https:\/\/cp.snarskis.lt\/index.php\/wp-json\/wp\/v2\/posts\/44403\/revisions"}],"wp:attachment":[{"href":"https:\/\/cp.snarskis.lt\/index.php\/wp-json\/wp\/v2\/media?parent=44403"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cp.snarskis.lt\/index.php\/wp-json\/wp\/v2\/categories?post=44403"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cp.snarskis.lt\/index.php\/wp-json\/wp\/v2\/tags?post=44403"},{"taxonomy":"miestas","embeddable":true,"href":"https:\/\/cp.snarskis.lt\/index.php\/wp-json\/wp\/v2\/miestas?post=44403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}