{"id":754,"date":"2021-10-09T01:47:40","date_gmt":"2021-10-08T22:47:40","guid":{"rendered":"https:\/\/ecohotelcrete.com\/?p=754"},"modified":"2024-01-13T18:16:29","modified_gmt":"2024-01-13T16:16:29","slug":"mediterranean-marine-life-under-threat","status":"publish","type":"post","link":"https:\/\/ecohotelcrete.com\/nb\/mediterranean-marine-life-under-threat\/","title":{"rendered":"Middelhavets marine liv truet"},"content":{"rendered":"
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Middelhavets marine liv truet<\/h1>\n

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KILDE: av Yiannis Elafros - eKathimerini - https:\/\/www.ekathimerini.com\/news\/1165794\/mediterranean-marine-life-under-threat\/<\/div>\n
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\"Middelhavets

Middelhavets marine liv truet: WWF-rapporten fremhever seks milj\u00f8s\u00e5r under b\u00f8lgene for\u00e5rsaket av klimakrisen<\/p><\/div>\n<\/div>\n

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WWF-rapporten fremhever seks milj\u00f8s\u00e5r under b\u00f8lgene for\u00e5rsaket av klimakrisen<\/h2>\n

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Det er ansl\u00e5tt at 80-100% av viftemuslingpopulasjoner nylig gikk tapt under en plutselig \u00f8kning i d\u00f8deligheten i Spania, Italia og andre regioner i Middelhavsbassenget, mens 30% av alle r\u00f8de koraller ble \u00f8delagt av en enkelt storm.<\/p>\n<\/div>\n

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Tropicaliseringen i Middelhavet er utbredt, med temperaturer som stiger 20% raskere enn det globale gjennomsnittet, fisk som migrerer, invasive arter dukker opp mens innf\u00f8dte arter forsvinner, marine angiosperm-sj\u00f8enger og korallrev blir \u00f8delagt, og manetpopulasjoner sprer seg. De ovennevnte konsekvensene av klimakrisen p\u00e5 Middelhavet er avsl\u00f8rt i en fersk rapport fra World Wildlife Fund med tittelen "The Climate Change Effect in the Mediterranean: Six Stories from an Overheating Sea." Rapporten forklarer videre de seks f\u00f8lgende prim\u00e6re effektene av klimaendringer p\u00e5 Middelhavet:<\/p>\n

Den \u00f8kte vanntemperaturen skaper "tropiske" forhold; resultatet er at innf\u00f8dte arter enten fortrenges eller d\u00f8r ut.<\/p>\n

Nesten 1000 nye utenlandske arter (126 av dem er fisk) har kommet inn i Middelhavet, noe som har for\u00e5rsaket en nedgang i innf\u00f8dte bestander. I israelske farvann har innf\u00f8dte bl\u00f8tdyrpopulasjoner g\u00e5tt ned med rundt 90%, mens utenlandske arter, inkludert den m\u00f8rke ryggfotfisken, n\u00e5 utgj\u00f8r 80% av fangsten i Tyrkia. Parallelt p\u00e5treffer man n\u00e5 arter fra lenger s\u00f8r, som barracuda og dusky grouper, utenfor kysten av Liguria i Nord-Italia.<\/p>\n

Det har v\u00e6rt en betydelig utvidelse av manetbestander, spesielt i de s\u00f8rlige regionene, som har opplevd stadig hyppigere og lengre befolkningseksplosjoner. Langvarig overfiske har drastisk redusert bestander av fiskearter som tidligere konkurrerte med maneter om maten, og i dag fanger visse fiskere mer maneter enn fisk.<\/p>\n

Neptun-gressenger er truet av stadig varmere vann og et stigende havniv\u00e5, noe som har hatt en \u00f8deleggende innvirkning p\u00e5 b\u00e5de biologisk mangfold og "bl\u00e5tt karbon"-lagring - alts\u00e5 de marine plantene som absorberer karbondioksid fra atmosf\u00e6ren. Det er ansl\u00e5tt at Neptune-gressengene lagrer 11-42% av Middelhavsregionens CO2-utslipp.<\/p>\n

Omtrent 30% av alle r\u00f8de koraller som best\u00e5r av gorgonere, eller havvifter, i det liguriske hav ble \u00f8delagt etter en enkelt storm i oktober 2018. Dessuten blir mange andre typer koraller som bidrar til komplekse middelhavs\u00f8kosystemer \u00f8delagt av ekstreme v\u00e6rfenomener med \u00f8kende frekvens.<\/p>\n

Anslagsvis 80-100% av viftemuslingpopulasjoner gikk nylig tapt utenfor Spania, Italia og andre regioner p\u00e5 grunn av \u00f8kende d\u00f8delighet. Dette toskallede bl\u00f8tdyret, det st\u00f8rste endemiske bl\u00f8tdyret i Middelhavet, gir ly for 146 andre, mindre arter.<\/p>\n

WWF-rapporten peker p\u00e5 det farlige forholdet mellom virkningene av klimaendringer p\u00e5 den ene siden, og de som er provosert av direkte menneskelig press p\u00e5 livet i havet, gjennom overfiske, forurensning, kystutvikling og seiling, p\u00e5 den andre.<\/p>\n

Et avgj\u00f8rende tiltak som er n\u00f8dvendig for \u00e5 stoppe v\u00e5r negative p\u00e5virkning p\u00e5 havet er opprettelse og effektiv forvaltning av marine verneomr\u00e5der (MPA). I dag dekker slike omr\u00e5der bare 9.68% av Middelhavet, hvorav bare 1.27% er vesentlig regulert. Nylig bemerket forskning fra WWF Mediterranean Marine Initiative at 30% i Middelhavet m\u00e5 beskyttes for \u00e5 begynne \u00e5 gjenopprette \u00f8kosystemene, la fiskebestander komme seg, dempe virkningene av klimaendringer og sikre b\u00e6rekraftig fiske og turisme, samt matsikkerhet og velstand for lokalsamfunn. Panagiota Maragou, bevaringsdirekt\u00f8r ved WWF Hellas, bemerket: "Vi tar sikte p\u00e5 \u00e5 beskytte 30% i Middelhavet med effektive forvaltningstiltak for \u00e5 redusere presset p\u00e5 \u00f8kosystemene og hjelpe dem med \u00e5 bli motstandsdyktige mot klimakrisen, samtidig som vi revurderer m\u00e5ten som vi bruker naturressurser."<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Middelhavets marine liv truet KILDE: av Yiannis Elafros - eKathimerini - https:\/\/www.ekathimerini.com\/news\/1165794\/mediterranean-marine-life-under-threat\/ WWF-rapporten fremhever seks milj\u00f8s\u00e5r under b\u00f8lgene for\u00e5rsaket av klimakrise Det er ansl\u00e5tt at 80-100% av viftemuslingpopulasjoner nylig gikk tapt under en plutselig \u00f8kning i d\u00f8deligheten i Spania, Italia og andre regioner i Middelhavet [\u2026]<\/p>","protected":false},"author":1,"featured_media":773,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,3,23,24],"tags":[43,92,91],"class_list":["post-754","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ecology","category-ecotourism","category-news","category-sustainable-travel","tag-ecology","tag-marine-life","tag-mediterranean"],"yoast_head":"\nMediterranean marine life under threat<\/title>\n<meta name=\"description\" content=\"Ecology: WWF report highlights six environmental wounds beneath the waves caused by climate crisis - 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