{"id":875,"date":"2023-05-21T07:02:11","date_gmt":"2023-05-21T05:02:11","guid":{"rendered":"https:\/\/uppland.birdlife.se\/?page_id=875"},"modified":"2023-10-03T21:27:50","modified_gmt":"2023-10-03T19:27:50","slug":"projekt-skrantarna","status":"publish","type":"page","link":"https:\/\/uppland.birdlife.se\/en\/fagelskydd\/projekt-skrantarna\/","title":{"rendered":"Skr\u00e4nt\u00e4rna"},"content":{"rendered":"
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\n\t\t\t\tSkr\u00e4nt\u00e4rnan \u00e4r en spektakul\u00e4r f\u00e5gel, som genom sin s\u00e4llsynthet och starka utstr\u00e5lning ibland anv\u00e4nts som en f\u00e4rgstark symbol f\u00f6r ett friskt och rent \u00d6stersj\u00f6n. Artens upptr\u00e4dande, med ansamlingar till mycket produktiva grundomr\u00e5den, s\u00e5v\u00e4l limniska som marina under olika \u00e5rstider, g\u00f6r att den fungerar som signalart f\u00f6r biologiskt rika omr\u00e5den.\t\t\t<\/p>\n\t\t\t\t\t\t\t

\n\t\t\t\t\t\t\t\t\t\t\tWWF Sverige - \u00c5tg\u00e4rdsprogram f\u00f6r bevarande av skr\u00e4nt\u00e4rna<\/cite>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/blockquote>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Projekt Skr\u00e4nt\u00e4rna \u00e4r ett av UOF:s mest aktiva projekt och symboliserar v\u00e5r f\u00f6rening genom att pryda v\u00e5r loga.<\/p>

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P\u00e5 \u00f6n Stenarna i\u00a0Bj\u00f6rns sk\u00e4rg\u00e5rd<\/a>\u00a0i norra Uppland h\u00e4ckar en av Sveriges st\u00f6rsta kolonier av skr\u00e4nt\u00e4rna. Kolonin har gamla anor och finns dokumenterad sedan 1930-talet, och under 2000-talet har den utgjort upp till 25-40% av den svenska populationen.<\/p>

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Inom ramen f\u00f6r \u00c5tg\u00e4rdsprogram Skr\u00e4nt\u00e4rna bedriver Upplandsstiftelsen minkjakt i Bj\u00f6rns sk\u00e4rg\u00e5rd och en ut\u00f6kad \u00f6vervakning med bl. a. webbkameror sker genom BirdLife Sveriges f\u00f6rsorg. I \u00e5tg\u00e4rdsprogrammet vidtas ocks\u00e5 \u00e5tg\u00e4rder mot gr\u00e5trutar som under ett par \u00e5r under 2000-talet \u00e5t upp n\u00e4stan alla \u00e4gg och tog alla sm\u00e5 ungar av skr\u00e4nt\u00e4rna. Trutarna har flyttat \u00f6ver till grann\u00f6n och predationen har upph\u00f6rt. Som \u00e5tg\u00e4rd mot predation av havs\u00f6rn anv\u00e4nds en docka i en b\u00e5t f\u00f6r att avskr\u00e4cka \u00f6rnarna.<\/p>

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Projektet bedrivs i regi av BirdLife Sverige, tillsammans med Biologiska institutionen vid Lunds universitet, Novia yrkesh\u00f6gskola och \u00c5bo akademi i Finland. Man studerar t\u00e4rnornas r\u00f6relser med GPS-loggar som f\u00e4sts p\u00e5 vissa individer. P\u00e5 s\u00e5 s\u00e4tt har h\u00f6guppl\u00f6st data kring var t\u00e4rnorna befinner sig kunnat samlas in. Data som samlats in genom GPS-loggarna visar t. ex. att det utan tvekan viktigaste omr\u00e5det d\u00e4r skr\u00e4nt\u00e4rnorna fiskar \u00e4r den inre delen av L\u00f6vstabukten, Ledsk\u00e4rsviken och Karlhomsviken. Ledsk\u00e4rs- och Karlholmsviken i kombination \u00f6n Stenarnas beskaffenhet \u00e4r nyckelfaktorer till t\u00e4rnornas starka f\u00f6rekomst i Norduppland.<\/p>

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Mot slutet av h\u00e4ckningen beh\u00f6ver ungf\u00e5glarna ladda upp inf\u00f6r sin f\u00f6rsta flyttning s\u00f6derut. En viktig s\u00e5dan plats f\u00f6rutom Ledsk\u00e4rs- och Karlhomsviken \u00e4r den stora och grunda insj\u00f6n T\u00e4mnaren.<\/p>

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Kontaktperson: Ulrik L\u00f6tberg <\/b>p\u00e5 email ulrik.lotberg@birdlife.se<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Nyheter fr\u00e5n projektet<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tSkr\u00e4nt\u00e4rnem\u00e4rkning vid yttre Br\u00e5viken\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t
\n\t\t\t\t\t\n\t\t\t13 June, 2023\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t
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S\u00f6ndagen den 11 juni var det dags f\u00f6r ringm\u00e4rkning av boungar i den \u00d6stg\u00f6tska och S\u00f6rml\u00e4ndska sk\u00e4rg\u00e5rden. Projektet \u00e4r ett initiativ av BirdLife Sverige och Lunds universitet och involverar d\u00e4rmed ett st\u00f6rre geografiskt omr\u00e5de, inklusive norra Upplandskusten. Som v\u00e4ntat konstaterades<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tL\u00e4s mer \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<\/article>\n\t\t\t\t

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\n\t\t\t\n\t\t\t\tSt\u00f6rre h\u00e4ckningsytor f\u00f6r skr\u00e4nt\u00e4rnan\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t
\n\t\t\t\t\t\n\t\t\t15 February, 2022\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t
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N\u00e4r stormen Per 2007 spolade ut st\u00f6rre delen av den grusbank som t\u00e4rnorna normalt h\u00e4ckade p\u00e5 i havet f\u00f6rlorade t\u00e4rnorna st\u00f6rre delen av biotopen de beh\u00f6ver f\u00f6r att bygga sina bon och l\u00e4gga \u00e4gg. Inom ramen f\u00f6r \u00c5tg\u00e4rdsprogrammet skr\u00e4nt\u00e4rna restaurerades<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tL\u00e4s mer \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Mer information och publikationer om skr\u00e4nt\u00e4rnan:

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L\u00f6tberg U, Isaksson N & \u00c5kesson S 2020\u00a0F\u00e5gelsundets skr\u00e4nt\u00e4rnor \u2013 en<\/a>\u00a0<\/a>rapport om skr\u00e4nt\u00e4rnorna i Bj\u00f6rns sk\u00e4rg\u00e5rd<\/a>. BirdLife Sverige.

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BirdLife Sverige \u2013 Projekt skr\u00e4nt\u00e4rna<\/a>

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Skr\u00e4nt\u00e4rnan Astrids resor och \u00e4ventyr<\/a>

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Byholm et al. 2022,\u00a0Paternal transmission of migration knowledge in a long-distance bird migrant<\/a>. Nature Communication,\u00a0https:\/\/doi.org\/10.1038\/s41467-022-29300-w<\/a>:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\"Skr\u00e4nt\u00e4rna.\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

Skr\u00e4nt\u00e4rnan \u00e4r en spektakul\u00e4r f\u00e5gel, som genom sin s\u00e4llsynthet och starka utstr\u00e5lning ibland anv\u00e4nts som en f\u00e4rgstark symbol f\u00f6r ett friskt och rent \u00d6stersj\u00f6n. Artens upptr\u00e4dande, med ansamlingar till mycket […]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":873,"menu_order":5,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-875","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nSkr\u00e4nt\u00e4rna - BirdLife Uppland<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/uppland.birdlife.se\/en\/fagelskydd\/projekt-skrantarna\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Skr\u00e4nt\u00e4rna - BirdLife Uppland\" \/>\n<meta property=\"og:description\" content=\"Skr\u00e4nt\u00e4rnan \u00e4r en spektakul\u00e4r f\u00e5gel, som genom sin s\u00e4llsynthet och starka utstr\u00e5lning ibland anv\u00e4nts som en f\u00e4rgstark symbol f\u00f6r ett friskt och rent \u00d6stersj\u00f6n. 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