{"id":14686,"date":"2021-09-28T16:19:40","date_gmt":"2021-09-28T19:19:40","guid":{"rendered":"https:\/\/mindthegraph.com\/blog\/?p=14686"},"modified":"2023-01-05T14:33:43","modified_gmt":"2023-01-05T17:33:43","slug":"young-sea-turtles-trapped-by-plastic-evolutionary-trap","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/et\/young-sea-turtles-trapped-by-plastic-evolutionary-trap\/","title":{"rendered":"Noored merikilpkonnad on plastikust l\u00f5ksu j\u00e4\u00e4nud: Evolutsiooniline l\u00f5ksu sattunud"},"content":{"rendered":"<h2>Kilpkonnad ja plastik<\/h2>\n\n\n\n<p>Uuring n\u00e4itab, et plastikreostus paneb noored merikilpkonnad aja jooksul l\u00f5ksu.&nbsp;<\/p>\n\n\n\n<p>V\u00e4ikelised merikilpkonnad lahkuvad p\u00e4rast koorumist randadest, et end ookeani p\u00f5hjas \u00fcles kasvatada. Lisaks on aja jooksul kogunenud nendesse vooludesse \u00fcha rohkem plasti, mida paljud kilpkonnad neelavad alla, kui nad toituvad kalda l\u00e4hedal.&nbsp;<\/p>\n\n\n\n<p>V\u00e4ikelised kilpkonnad, eriti \u00e4sja koorunud ja ookeani p\u00f5hjas elavad kilpkonnad, on arvatavasti k\u00f5ige vastuv\u00f5tlikumad plastikreostuse suhtes. Sellegipoolest on nende juurdep\u00e4\u00e4s ja hinnangud piiratud, kuna nad asuvad kaugel.&nbsp;<\/p>\n\n\n\n<p>\u00dches <a href=\"https:\/\/www.frontiersin.org\/articles\/10.3389\/fmars.2021.699521\/full\">uuring<\/a> juhitud <a href=\"https:\/\/www.exeter.ac.uk\/\">Exeteri \u00dclikool<\/a>avastasid teadlased Austraalia ida- (Vaikse ookeani) ja l\u00e4\u00e4nerannikul (India ookeani) merekilpkonnade kooruvate kilpkonnade sisemuses plasti.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/mindthegraph.com\/app\/illustrations\/cheloniidae\" target=\"_blank\" rel=\"https:\/\/mindthegraph.com\/app\/illustrations\/cheloniidae noopener\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/09\/turtle.png\" alt=\"Mind the Graph Illustratsioon: Cheloniidae\" class=\"wp-image-14687\" width=\"450\" height=\"386\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/09\/turtle.png 900w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/09\/turtle-300x257.png 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/09\/turtle-768x659.png 768w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/a><figcaption class=\"wp-element-caption\">Mind the Graph Illustratsioon: <a href=\"https:\/\/mindthegraph.com\/app\/illustrations\/cheloniidae\">Cheloniidae<\/a><\/figcaption><\/figure><\/div>\n\n\n<h2>Kas kilpkonnad v\u00f5ivad sattuda evolutsioonilisse l\u00f5ksu?<\/h2>\n\n\n\n<p>Meres\u00fcsteeme on plastj\u00e4\u00e4tmed m\u00f5jutanud juba aastaid ning on p\u00fc\u00fctud hinnata, kuidas need m\u00f5jutavad enam kui 700 liiki.&nbsp;<\/p>\n\n\n\n<p>Plastide allaneelamine, nendega p\u00f5imumine ja \u00f6kos\u00fcsteemi kahjustamine on k\u00f5ik ohud, mida plastid kujutavad endast. \u00dcha enam m\u00f5istetakse, et merekilpkonnad tarbivad plasti, kuid ei ole leitud andmeid, mis t\u00f5estaksid plasti allaneelamise m\u00f5ju populatsiooni tasandil.&nbsp;<\/p>\n\n\n\n<p>Avatud vesi pakub kilpkonnade arenguks ideaalset keskkonda, sest kiskjad on minimaalsed, mist\u00f5ttu on see ideaalne keskkond nende arenguks. Noorte merikilpkonnade toitumine ei ole selgepiiriline; nad s\u00f6\u00f6vad k\u00f5ike ja peaaegu k\u00f5ike, sealhulgas ka plasti.&nbsp;<\/p>\n\n\n\n<p>Merikilpkonnad v\u00f5ivad olla oma elupaigast ja k\u00e4itumisest tulenevalt oma eluts\u00fckli teatud etappides keskkonna saasteainete suhtes eriti haavatavad.&nbsp;<\/p>\n\n\n\n<p>V\u00e4lja arvatud lamekilpkonnad, elavad koorumisj\u00e4rgsed kilpkonnad tavaliselt ookeaniv\u00f6\u00f6ndites, kus neid leidub tavaliselt v\u00e4ikeses arvukuses maismaapiirkondades. Koorendamisj\u00e4rgse faasi ajal on lapikkilpkonnad rannikuvetes elutsevad. Vaid harva sukeldub ta s\u00fcgavamale ookeani, kui toitub t\u00f5usu ja m\u00f5\u00f5na piiride, ookeanipankade v\u00f5i ranniku l\u00e4hedale j\u00e4\u00e4vate seljandike l\u00e4heduses. Sageli on neile iseloomulik epipelaagiline toitumine.&nbsp;<\/p>\n\n\n\n<p>On n\u00e4idatud, et mittetoitvad esemed v\u00f5ivad p\u00f5hjustada toidu lahjendamist, v\u00e4hendada nende organismi energiataset, samuti p\u00f5hjustada m\u00f5nel liigil seedetrakti, kloaagi ja p\u00f5ie kahjustusi.&nbsp;&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/mindthegraph.com\/templates\" target=\"_blank\" rel=\"https:\/\/mindthegraph.com\/templates noopener\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/09\/preview381359-1-546x1024.png\" alt=\"Mind the Graph Mall: Ookeaniga seotud \" class=\"wp-image-14688\" width=\"410\" height=\"768\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/09\/preview381359-1-546x1024.png 546w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/09\/preview381359-1-160x300.png 160w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/09\/preview381359-1-768x1440.png 768w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/09\/preview381359-1-819x1536.png 819w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/09\/preview381359-1-1092x2048.png 1092w\" sizes=\"(max-width: 410px) 100vw, 410px\" \/><\/a><figcaption class=\"wp-element-caption\">Mind the Graph Mall: Ookeani teema: Ookeani teema<\/figcaption><\/figure><\/div>\n\n\n<h2>Uuringu tulemused<\/h2>\n\n\n\n<p>Uuring viidi l\u00e4bi noortest merikilpkonnadest (nii koorunud kui ka 50 cm pikkuse kesta suuruse saavutanud), kes olid j\u00e4rgmisel aastal Austraalia vetes kaldale uhutud v\u00f5i kalurite poolt p\u00fc\u00fctud.&nbsp;<\/p>\n\n\n\n<p>Uuringus osales 121 merikilpkonnaliiki, millest uuriti viit liiki: rohelist kilpkonna, merikilpkonna, hariliku kilpkonna, oliivikilpkonna ja lamekilpkonna.&nbsp;<\/p>\n\n\n\n<p>Vaikse ookeani rannikul sisaldasid kilpkonnad, rohelised kilpkonnad, lamekilpkonnad ja oliivikilpkonnad palju rohkem plasti: vastavalt 86%, 83%, 80% ja 29%.&nbsp;<\/p>\n\n\n\n<p>Plastikust oli 28% lamekilpkonnast, 21% kammeljakilpkonnast ja 9% rohelisest kilpkonnast India ookeani rannikul. Kummalgi rannikul leiti seitse rabakilpkonna kilpkonnat, nii et valimi suurus oli minimaalne.&nbsp;<\/p>\n\n\n\n<p>Kummalgi rannikul ei leitud plastikut \u00fchelgi hariliku kilpkonnal. Vaikse ookeani kilpkonnad olid tavaliselt t\u00e4idetud k\u00f5va plastikfragmentidega, mis t\u00f5en\u00e4oliselt p\u00e4rinesid mitmesugustest inimtekkelistest esemetest, erinevalt India ookeani plastist, mis olid peamiselt kalav\u00f5rkudest v\u00f5i k\u00f6itest p\u00e4rit kiududest.<\/p>\n\n\n\n<p>M\u00f5lemad ookeanid sisaldasid k\u00f5rgeid kontsentratsioone pol\u00fcet\u00fcleeni, nailonist pol\u00fcprop\u00fcleeni, mida kilpkonnad alla neelavad.&nbsp;<\/p>\n\n\n\n<p>Kuna neid pol\u00fcmeere kasutatakse plasttoodetes nii laialdaselt, ei ole v\u00f5imalik leida leitud killustiku allikat t\u00e4pselt kindlaks teha.&nbsp;<\/p>\n\n\n\n<p>M\u00e4rkimisv\u00e4\u00e4rne merereostuse allikas vee l\u00e4hedal on vette tagasi lastud, demonteeritud ja muul moel maha kantud p\u00fc\u00fcgivahendid (ALDFG), mis tavaliselt koosnevad plastkiududest. Osakeste suurus varieerus koos kilpkonna suurusega, j\u00e4\u00e4des tavaliselt vahemikku 5 mm kuni 10 mm.&nbsp;<\/p>\n\n\n\n<p>Teadlased loodavad oma uurimist\u00f6\u00f6 j\u00e4rgmises etapis uurida, kuidas m\u00f5jutab plastiku allaneelamine kilpkonnade tervist ja elluj\u00e4\u00e4mist. Selleks peavad teadlased ja veterinaararstid kogu maailmas tegema tihedat koost\u00f6\u00f6d.&nbsp;<\/p>\n\n\n\n<p>Lisaks sellele on oluline, et me l\u00f5petaksime ka j\u00e4\u00e4tmete ladestamise veekogudesse, mis mitte ainult ei takista kilpkonni, vaid m\u00f5jub pikemas perspektiivis ka nende geneetilisele ehitusele.&nbsp;<\/p>\n\n\n\n<p>Kui soovite nende uuringute kohta rohkem \u00fcksikasju, vaadake palun allpool toodud viidet.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.frontiersin.org\/articles\/10.3389\/fmars.2021.699521\/full\">Duncan, Emily M., et al. \"Plastikreostus ja v\u00e4ikesed noored merekilpkonnad: potentsiaalne evolutsiooniline l\u00f5ks.\" Frontiers in Marine Science (2021): 961. DOI: 10.3389\/fmars.2021.699521.<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><a href=\"https:\/\/mindthegraph.com\/\" target=\"_blank\" rel=\"https:\/\/mindthegraph.com\/ noopener\"><img decoding=\"async\" loading=\"lazy\" width=\"800\" height=\"418\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/09\/twitter.gif\" alt=\"Kilpkonna s\u00f6\u00f6mine plastikust animatsioon\" class=\"wp-image-14698\"\/><\/a><\/figure>","protected":false},"excerpt":{"rendered":"<p>Kilpkonnad ja plastmass Uuring n\u00e4itab, et plastmassreostus p\u00fc\u00fcab noori merikilpkonni aja jooksul kinni.  Vasts\u00fcndinud merikilpkonnad lahkuvad p\u00e4rast koorumist randadest, et end ookeani p\u00f5hjas \u00fcles kasvatada. Lisaks on aja jooksul kogunenud nendesse hoovustesse \u00fcha rohkem plasti, mida paljud kilpkonnad neelavad alla, kui nad kalda l\u00e4hedal toituvad.  Beebikilpkonnad, eriti [...]<\/p>","protected":false},"author":18,"featured_media":14694,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[959,28],"tags":[707,854,554,853],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Young sea turtles trapped by plastic: Evolutionary Trap - MTG<\/title>\n<meta name=\"description\" content=\"Study shows that plastic pollution traps young sea turtles over time. 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