{"id":27220,"date":"2023-03-06T14:31:37","date_gmt":"2023-03-06T13:31:37","guid":{"rendered":"https:\/\/deepseareporter.dev.phosdev.se\/?p=27220"},"modified":"2023-03-29T14:55:20","modified_gmt":"2023-03-29T12:55:20","slug":"sveriges-sista-korallrev-ska-raddas","status":"publish","type":"post","link":"https:\/\/deepseareporter.dev.phosdev.se\/sv\/sveriges-sista-korallrev-ska-raddas\/","title":{"rendered":"Sveriges sista korallrev &#8211; ska r\u00e4ddas"},"content":{"rendered":"\n<p><strong>I laboratoriets akvarier lyser yviga koraller sp\u00f6klikt vita i m\u00f6rkret. Men ute i havet, under ytan, finns n\u00e4stan bara grus och d\u00f6da skelett kvar.<\/strong><\/p>\n\n\n\n<p><strong>H\u00e4r \u00e4r forskarna som ska\u00a0r\u00e4dda\u00a0Sveriges\u00a0sista\u00a0korallrev.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"853\" src=\"https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a004nh-1-1280x853.jpg\" alt=\"\" class=\"wp-image-27225\" srcset=\"https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a004nh-1-1280x853.jpg 1280w, https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a004nh-1-720x480.jpg 720w, https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a004nh-1-768x512.jpg 768w, https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a004nh-1-1536x1024.jpg 1536w, https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a004nh-1-2048x1365.jpg 2048w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><figcaption class=\"wp-element-caption\">Anna Larsson, Iga-Maria Nestorowicz, Anita Tullrot och Susanna Str\u00f6mberg forskar p\u00e5 korallen Lophelia p\u00e5 Tj\u00e4rn\u00f6laboratoriet utanf\u00f6r Str\u00f6mstad.<br>Foto Adam Ihse\/TT <\/figcaption><\/figure>\n\n\n\n<p>En str\u00e5lande v\u00e5rsol glittrar i Kosterhavets vatten och kastar solkatter mot bryggor och sj\u00f6bodar. Men inne i labbet p\u00e5 Tj\u00e4rn\u00f6 marina laboratorium utanf\u00f6r Str\u00f6mstad \u00e4r det m\u00f6rkt.<\/p>\n\n\n\n<p>I stora akvarier lyser \u00f6gonkoraller vita i dunklet. N\u00e5got som liknar tunna, ljusa dammkorn virvlar sakta omkring i vattnet. Det \u00e4r \u00e4gg.<\/p>\n\n\n\n<p>&#8211; Vi h\u00e5ller p\u00e5 med ett test h\u00e4r f\u00f6r att se om\u00a0de\u00a0utvecklas \u00e4nnu b\u00e4ttre i r\u00f6relse, s\u00e4ger Susanna Str\u00f6mberg och visar ytterligare ett akvarium d\u00e4r en slags paddel vispar omkring korallembryon.<\/p>\n\n\n\n<p>Korallerna i labbet \u00e4r h\u00e4mtade fr\u00e5n det norska Tislerrevet. I svenska vatten finns det n\u00e4stan inga kvar.<\/p>\n\n\n\n<p>&#8211; Det har funnits p\u00e5 sammanlagt sex platser som vi k\u00e4nner till. P\u00e5\u00a0de\u00a0flesta finns det bara korallgrus kvar, s\u00e4ger Ann Larsson, forskningsledare f\u00f6r projektet Life Lophelia.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"750\" src=\"https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a005nh-1-1280x750.jpg\" alt=\"\" class=\"wp-image-27223\" srcset=\"https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a005nh-1-1280x750.jpg 1280w, https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a005nh-1-720x422.jpg 720w, https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a005nh-1-768x450.jpg 768w, https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a005nh-1-1536x900.jpg 1536w, https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a005nh-1-2048x1200.jpg 2048w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><figcaption class=\"wp-element-caption\">I dag finns det bara levande korallrev kvar p\u00e5 tv\u00e5 platser i svenska vatten: V\u00e4der\u00f6arna och S\u00e4cken. <br>Grafik: Anna-Lena Lindqvist\/TT<br><\/figcaption><\/figure>\n\n\n\n<p>Ute i havet, under ytan, finns n\u00e4stan bara grus och d\u00f6da skelett kvar. Nu ska forskarna f\u00f6rs\u00f6ka r\u00e4dda Sveriges sista korallrev.<\/p>\n\n\n\n<p>I drygt tre \u00e5r har hon och hennes kollegor arbetat med att f\u00f6da upp larver av \u00f6gonkorall f\u00f6r att studera under vilka f\u00f6rh\u00e5llanden\u00a0de\u00a0trivs. M\u00e5let \u00e4r att \u00e5teretablera dem i svenska vatten \u2013 och att\u00a0r\u00e4dda\u00a0korallreven i Kosterhavet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00d6ver tusen arter<\/h2>\n\n\n\n<p>Bland&nbsp;de&nbsp;vita undervattensskogarna i akvariet syns flortunna sj\u00f6pungar, svajande havsborstmaskar och blekrosa trollhumrar, stora som fingernaglar. I havet utanf\u00f6r, p\u00e5 drygt 80 meters djup, finns \u00e4nnu mer spektakul\u00e4ra ekosystem i anslutning till reven.<\/p>\n\n\n\n<p>&#8211; Det finns arter av alla m\u00f6jliga slag. Djur av olika storlekar bor d\u00e4r och hittar f\u00f6da och skydd, och\u00a0de\u00a0drar till sig flera fiskarter som hittar sin mat d\u00e4r. Det \u00e4r d\u00e4rf\u00f6r det tidigare har fiskats n\u00e4ra reven, s\u00e4ger Anita Tullrot, projektledare vid l\u00e4nsstyrelsen.<\/p>\n\n\n\n<p>Fler \u00e4n 1&nbsp;300 arter har observerats vid rev av \u00f6gonkorall, en artrikedom fullt j\u00e4mf\u00f6rbar med den vid tropiska&nbsp;korallrev.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"841\" src=\"https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a002nh-1280x841.jpg\" alt=\"\" class=\"wp-image-27227\" srcset=\"https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a002nh-1280x841.jpg 1280w, https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a002nh-720x473.jpg 720w, https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a002nh-768x505.jpg 768w, https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a002nh-1536x1009.jpg 1536w, https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a002nh-2048x1346.jpg 2048w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><figcaption class=\"wp-element-caption\">\u00d6gonkorallen v\u00e4xer djupt och l\u00e5ngsamt, omkring 25 millimeter om \u00e5ret under goda f\u00f6rh\u00e5llanden.<br>Foto: Adam Ihse \/TT <\/figcaption><\/figure>\n\n\n\n<p>&#8211; Det \u00e4r ganska vanligt att folk inte k\u00e4nner till att vi har svenska\u00a0korallrev. Att sprida kunskapen \u00e4r en del av projektet, om folk vet att\u00a0de\u00a0finns kan man vilja bevara dem, s\u00e4ger Ann Larsson.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tv\u00e5 levande rev<\/h2>\n\n\n\n<p>Exakt n\u00e4r&nbsp;de&nbsp;f\u00f6rsvann vet man inte. Varf\u00f6r finns det m\u00e5nga teorier om. Tr\u00e5lning efter r\u00e4ka har troligtvis brutit s\u00f6nder&nbsp;de&nbsp;k\u00e4nsliga reven, medan \u00f6verg\u00f6dning och sedimentering kan ha p\u00e5verkat milj\u00f6n i omr\u00e5det.<\/p>\n\n\n\n<p>\u00c4nd\u00e5 lever hoppet. Efter att tr\u00e5l- och ankringsf\u00f6rbud inf\u00f6rts har korallerna \u00e5terh\u00e4mtat sig p\u00e5 naturlig v\u00e4g p\u00e5 en av platserna: vid V\u00e4der\u00f6arna som ligger utanf\u00f6r Fj\u00e4llbacka. Det \u00e4r i dag omkring 300 kvadratmeter stort.<\/p>\n\n\n\n<p>&#8211; Korallerna v\u00e4xer cirka 25 millimeter per \u00e5r och f\u00f6r drygt tio \u00e5r sedan fanns det inget d\u00e4r. S\u00e5 det m\u00e5ste ha varit m\u00e5nga larver som satt sig, annars hade revet inte kunnat v\u00e4xa s\u00e5 snabbt, s\u00e4ger Anita Tullrot.<\/p>\n\n\n\n<p>\u00c4ven vid S\u00e4cken, norr om Str\u00f6mstad, finns i dag ett f\u00e5tal levande korallkolonier.<\/p>\n\n\n\n<p>Att larverna, bara 0,2 millimeter stora, finns i svenska vatten vet man.&nbsp;De&nbsp;driver med str\u00f6mmarna fr\u00e5n Tislerrevet eller till och med s\u00e5 l\u00e5ngt som fr\u00e5n fundament till oljeplattformar i Nordsj\u00f6n. Problemet \u00e4r att&nbsp;de&nbsp;inte stannar.<\/p>\n\n\n\n<p>Vid&nbsp;de&nbsp;tv\u00e5 i dag levande korallreven finns det gamla, d\u00f6da korallskelett kvar som larverna kan f\u00e4sta p\u00e5. Vid&nbsp;de&nbsp;fyra andra platserna \u00e4r allt borta.<\/p>\n\n\n\n<p>&#8211; Finns det inget tredimensionellt skelett kvar att s\u00e4tta sig p\u00e5 s\u00e5 blir det ingen \u00e5terh\u00e4mtning. P\u00e5\u00a0de\u00a0andra st\u00e4llena finns det korallgrus p\u00e5 botten, men d\u00e4r \u00e4r det inget som v\u00e4xer, s\u00e4ger Susanna Str\u00f6mberg.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3D-printar rev<\/h2>\n\n\n\n<p>Planen \u00e4r d\u00e4rf\u00f6r att tillverka konstgjorda rev och placera ut i havet, s\u00e5 att larverna har n\u00e5got att f\u00e4sta p\u00e5. I labbet p\u00e5 Tj\u00e4rn\u00f6 marina laboratorium, som tillh\u00f6r G\u00f6teborgs universitet, st\u00e5r sm\u00e5 plastkonstruktioner med olika h\u00e5ligheter och strukturer uppradade. En 3D-skrivare printar sakta ut den senaste prototypen.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"853\" src=\"https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a006nh-3-1280x853.jpg\" alt=\"\" class=\"wp-image-27233\" srcset=\"https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a006nh-3-1280x853.jpg 1280w, https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a006nh-3-720x480.jpg 720w, https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a006nh-3-768x512.jpg 768w, https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a006nh-3-1536x1024.jpg 1536w, https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2023\/03\/230306-ttvpkorallrev-eaf2c173-a006nh-3-2048x1365.jpg 2048w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><figcaption class=\"wp-element-caption\">En modell av en struktur som man hoppas att korallen Lophelia ska trivas p\u00e5. <br>Foto: Adam Ihse \/TT<\/figcaption><\/figure>\n\n\n\n<p>&#8211; Vi tittar p\u00e5 vad\u00a0de\u00a0gillar f\u00f6r material, ytstrukturer och under vilka f\u00f6rh\u00e5llanden\u00a0de\u00a0kan s\u00e4tta sig fast, ber\u00e4ttar Ann Larsson.<\/p>\n\n\n\n<p>I april ska en slutgiltig konstruktion vara f\u00e4rdig, och i h\u00f6st ska&nbsp;de&nbsp;konstgjorda reven placeras ut i havet \u2013 och f\u00f6rhoppningsvis bli hem \u00e5t nya larver och nya rev.<\/p>\n\n\n\n<p>Projektet \u00e4r ensamt i sitt slag, konstaterar forskarna.<\/p>\n\n\n\n<p>&#8211; Det har gjorts f\u00f6rs\u00f6k att transplantera \u00f6gonkoraller i liten skala p\u00e5 en del platser, men det h\u00e4r med att s\u00e4tta ut revstrukturer som \u00e4r anpassade efter larverna \u00e4r unikt, s\u00e4ger Ann Larsson och till\u00e4gger:<\/p>\n\n\n\n<p>&#8211; Det har inte gjorts n\u00e5gonstans tidigare vad jag vet.<\/p>\n\n\n\n<p>Alice Nordevik\/TT\/Nyhetsbyr\u00e5n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I laboratoriets akvarier lyser yviga koraller sp\u00f6klikt vita i m\u00f6rkret. Men ute i havet, under ytan, finns n\u00e4stan bara grus och d\u00f6da skelett kvar.<br \/>\nH\u00e4r \u00e4r forskarna som ska r\u00e4dda Sveriges sista korallrev.<br \/>\nEn str\u00e5lande v\u00e5rsol glittrar i Kosterhavets vatten och kastar solkatter mot bryggor och sj\u00f6bodar. Men inne i labbet p\u00e5 Tj\u00e4rn\u00f6 marina laboratorium utanf\u00f6r Str\u00f6mstad \u00e4r det m\u00f6rkt.<\/p>\n","protected":false},"author":4,"featured_media":27227,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[581],"tags":[1190,1198,1197,362],"class_list":["post-27220","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vastkusten","tag-bottentralning","tag-kallvattenkoraller","tag-ogonkorall","tag-tjarno-marina-laboratorium"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Sveriges sista korallrev - ska r\u00e4ddas - Deep Sea Reporter<\/title>\n<meta name=\"description\" content=\"I laboratoriets akvarier lyser yviga koraller sp\u00f6klikt vita i m\u00f6rkret. Men ute i havet, under ytan, finns n\u00e4stan bara grus och d\u00f6da skelett kvar.H\u00e4r \u00e4r forskarna som ska r\u00e4dda Sveriges sista korallrev.En str\u00e5lande v\u00e5rsol glittrar i Kosterhavets vatten och kastar solkatter mot bryggor och sj\u00f6bodar. Men inne i labbet p\u00e5 Tj\u00e4rn\u00f6 marina laboratorium utanf\u00f6r Str\u00f6mstad \u00e4r det m\u00f6rkt.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sveriges sista korallrev - ska r\u00e4ddas - Deep Sea Reporter\" \/>\n<meta property=\"og:description\" content=\"I laboratoriets akvarier lyser yviga koraller sp\u00f6klikt vita i m\u00f6rkret. Men ute i havet, under ytan, finns n\u00e4stan bara grus och d\u00f6da skelett kvar.H\u00e4r \u00e4r forskarna som ska r\u00e4dda Sveriges sista korallrev.En str\u00e5lande v\u00e5rsol glittrar i Kosterhavets vatten och kastar solkatter mot bryggor och sj\u00f6bodar. 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