{"id":42168,"date":"2025-12-10T10:42:08","date_gmt":"2025-12-10T09:42:08","guid":{"rendered":"https:\/\/www.deepseareporter.com\/?p=42168"},"modified":"2025-12-10T11:08:28","modified_gmt":"2025-12-10T10:08:28","slug":"kustbor-kartlade-plastflaskor-pa-stranderna-aldsta-fran-2001","status":"publish","type":"post","link":"https:\/\/www.deepseareporter.com\/sv\/kustbor-kartlade-plastflaskor-pa-stranderna-aldsta-fran-2001\/","title":{"rendered":"Kustbor kartlade plastflaskor p\u00e5 str\u00e4nderna – \u00e4ldsta fr\u00e5n 2001"},"content":{"rendered":"\n

Ett forskningsprojekt har engagerat drygt tusen frivilliga i en stor kartl\u00e4ggning av plastflaskor p\u00e5 str\u00e4nder l\u00e4ngs central- och sydamerikanska Stillahavskusten, n\u00e5got som <\/strong>Mongabay<\/strong><\/a> var f\u00f6rst att rapportera om. Forskarna bakom studien<\/a> f\u00f6respr\u00e5kar att ett pantsystem inf\u00f6rs.<\/strong><\/p>\n\n\n\n

Tex: Arvid Wiclander Mellgren<\/sup><\/p>\n\n\n\n

I havet finns \u00f6ver 150 mijloner ton plast,<\/a> och den siffran \u00f6kar med miljontals ton varje \u00e5r. Den vanligaste typen av plastskr\u00e4p i havet \u00e4r dryckesflaskor. En ny studie har samlat in och kartlagt plastflaskor p\u00e5 str\u00e4nder och \u00f6ar l\u00e4ngs med Stillahavskusten i Sydamerika och Centralamerika. Forskarna har tagit hj\u00e4lp av lokalbor p\u00e5 145 platser i tio l\u00e4nder som samlat in flaskor f\u00f6r identifiering. Det Chile-baserade n\u00e4tverket Cient\u00edficos de la Basura <\/em>(skr\u00e4pforskare)administrerade det j\u00e4ttelika medborgarforsknings-projektet. <\/p>\n\n\n\n

\"\"
Grafik: Studien https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0959652625015847?via%3Dihub <\/figcaption><\/figure>\n\n\n\n

26 procent av flaskorna samlade in kom fr\u00e5n Coca-cola-koncernen, v\u00e4rldens st\u00f6rsta l\u00e4skf\u00f6retag. Den \u00e4ldsta flaskan var fr\u00e5n 2001 och inneh\u00f6ll en g\u00e5ng i tiden sportdrycken Powerade. Flaskan hittades p\u00e5 en strand i Peru. <\/p>\n\n\n\n

– En flaska som \u00e4r mer \u00e4n 20 \u00e5r gammal visar hur uth\u00e5llig plast kan vara i marina ekosystem. I det h\u00e4r fallet var datumet fortfarande synligt p\u00e5 en intakt flaska, vilket gjorde att vi kunde uppskatta dess \u00e5lder, men med tiden kommer dessa f\u00f6rem\u00e5l att brytas ner i mindre fragment som inte l\u00e4ngre kan ses, men som \u00e4nd\u00e5 finns kvar i milj\u00f6n p\u00e5 obest\u00e4md tid, s\u00e4ger Ostin Garc\u00e9s Ord\u00f3\u00f1ez som \u00e4r chef f\u00f6r studien, till Deep Sea Reporter. <\/p>\n\n\n\n

En annan uppt\u00e4ckt var den stora f\u00f6rekomsten av flaskor fr\u00e5n Asien. De tros ha transporterats med fartyg och str\u00f6mmar \u00f6ver v\u00e4rldens st\u00f6rsta hav. P\u00e5 de \u00f6ar som ingick i studien, d\u00e4ribland Robinson Crusoe-\u00f6n och Galapagos\u00f6arna, var f\u00f6rekomsten av asiatiska flaskor s\u00e4rskilt stor. N\u00e5gra f\u00e5 europiska flaskor p\u00e5tr\u00e4ffades ocks\u00e5.<\/p>\n\n\n\n

Flest flaskor hittades i Centralamerika, troligtvis f\u00f6r att befolkningst\u00e4theten \u00e4r h\u00f6gre, men ocks\u00e5 p\u00e5 grund av handelstrafiken i Panamakanalen. I Panama var majoriteten av flaskorna som hittades utl\u00e4ndska.<\/p>\n\n\n\n

\u201dStrandst\u00e4dning r\u00e4cker inte\u201d<\/h2>\n\n\n\n

Forskarna bakom studien tror att ett fungerade \u00e5tervinningssystem, med pantpengar som incitament, skulle f\u00f6rb\u00e4ttra situationen markant. Det finns sm\u00e5 \u00e5tervinningsinitiativ i regionen, men inte n\u00e5gra som fungerar p\u00e5 stor skala.<\/p>\n\n\n\n

– L\u00e4skf\u00f6retagen har ett viktigt ansvar. Dessa f\u00f6retag \u00e4r starkt beroende av eng\u00e5ngsplast. De borde arbeta f\u00f6r att minska plastproduktionen, ut\u00f6ka system f\u00f6r p\u00e5fyllningsbara och returflaskor i hela regionen, skapa fler m\u00f6jligheter f\u00f6r konsumenter att f\u00e5 tillg\u00e5ng till plastfria alternativ och st\u00f6dja policyer som f\u00f6rhindrar att avfall n\u00e5r milj\u00f6n, s\u00e4ger Ostin Garc\u00e9s Ord\u00f3\u00f1ez.<\/p>\n\n\n\n

Responsen fr\u00e5n medborgarforskarna som hj\u00e4lp till med att samla in flaskorna har varit god, men de uttrycker samtidigt oro f\u00f6r f\u00f6roreningarna. P\u00e5 vissa platser kommer plastskr\u00e4pet p\u00e5 str\u00e4nderna mycket fr\u00e5n helt andra delar av v\u00e4rlden. Lokalbefolkningen kan allts\u00e5 inte helt sj\u00e4lva f\u00e5 bukt p\u00e5 strandplasten.<\/p>\n\n\n\n

– M\u00e5nga lokalbor uttrycker oro. \u00d6samh\u00e4llena konstaterar att mycket av plastflaskorna kommer fr\u00e5n platser utanf\u00f6r deras kuster. Kustsamh\u00e4llena inser att bristf\u00e4llig avfallshantering bidrar till lokal f\u00f6rorening. De betonar att strandst\u00e4dningar inte r\u00e4cker till och att problemet m\u00e5ste \u00e5tg\u00e4rdas vid k\u00e4llan genom att minska eng\u00e5ngsplasten, s\u00e4ger Ostin Garc\u00e9s Ord\u00f3\u00f1ez.<\/p>\n\n\n\n

Om Deep Sea Reporter: <\/strong>V\u00e5r ambition \u00e4r att granska och skildra fr\u00e5gor som r\u00f6r havet och det liv som finns under ytan. Vi verkar i allm\u00e4nhetens tj\u00e4nst och drivs sj\u00e4lvst\u00e4ndigt i f\u00f6rh\u00e5llande till politiska, kommersiella och andra intressen i samh\u00e4llet.<\/sup><\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Ett forskningsprojekt har engagerat drygt tusen frivilliga i en stor kartl\u00e4ggning av plastflaskor p\u00e5 str\u00e4nder l\u00e4ngs central- och sydamerikanska Stillahavskusten, n\u00e5got som\u00a0Mongabay\u00a0var f\u00f6rst att rapportera om. Forskarna bakom\u00a0studien\u00a0f\u00f6respr\u00e5kar att ett pantsystem inf\u00f6rs.<\/p>\n","protected":false},"author":4,"featured_media":42171,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[252,580,244],"tags":[4033,4031,4030,2407,369,4032],"class_list":["post-42168","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-forskning","category-internationellt","category-klimat-och-miljo","tag-centralamerika","tag-medborgarforskning","tag-mikroplast","tag-plast-i-havet","tag-stilla-havet","tag-sydamerika"],"acf":[],"yoast_head":"\nKustbor kartlade plastflaskor p\u00e5 str\u00e4nderna - \u00e4ldsta fr\u00e5n 2001 - Deep Sea Reporter<\/title>\n<meta name=\"description\" content=\"Ett forskningsprojekt har engagerat drygt tusen frivilliga i en stor kartl\u00e4ggning av plastflaskor p\u00e5 str\u00e4nder l\u00e4ngs central- och sydamerikanska Stillahavskusten, n\u00e5got som\u00a0Mongabay\u00a0var f\u00f6rst att rapportera om. 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