{"id":56920,"date":"2025-08-10T16:19:58","date_gmt":"2025-08-10T14:19:58","guid":{"rendered":"https:\/\/cnestartit.com\/?p=56920"},"modified":"2025-08-13T17:48:01","modified_gmt":"2025-08-13T15:48:01","slug":"especies-invasores-marines-a-la-costa-brava-un-repte-per-a-la-biodiversitat","status":"publish","type":"post","link":"https:\/\/staging.cnestartit.com\/ca\/especies-invasores-marines-a-la-costa-brava-un-repte-per-a-la-biodiversitat\/","title":{"rendered":"Esp\u00e8cies invasores marines a la Costa Brava: un repte per a la biodiversitat"},"content":{"rendered":"\n<p>Les <strong>esp\u00e8cies invasores marines <\/strong>representen una <strong>amena\u00e7a creixent per a la biodiversitat de la Costa Brava. <\/strong>Introdu\u00efdes, en molts casos, de manera accidental, aquestes esp\u00e8cies poden despla\u00e7ar les aut\u00f2ctones, <strong>alterar l\u2019equilibri dels ecosistemes<\/strong> i provocar <strong>importants desequilibris ecol\u00f2gics.<\/strong><\/p>\n\n\n\n<p>Zones com la <strong>desembocadura del riu Ter, les Illes Medes o el Cap de Creus<\/strong> s\u00f3n \u00e0rees especialment sensibles. Actualment, es troben sota seguiment de <strong>cient\u00edfics i entitats locals<\/strong> per controlar-ne l\u2019expansi\u00f3 i minimitzar-ne l\u2019impacte.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Principals esp\u00e8cies invasores i el seu impacte a la Costa Brava<\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>1. Cranc blau (<em>Callinectes sapidus<\/em>)<\/strong><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Originari de la <strong>costa atl\u00e0ntica nord-americana<\/strong>, el <strong>cranc blau<\/strong> ha colonitzat estuaris com el del riu Ter. Es tracta d\u2019una esp\u00e8cie molt competitiva que despla\u00e7a els crancs locals i altres organismes bent\u00f2nics. La seva pres\u00e8ncia altera la <strong>cadena tr\u00f2fica marina<\/strong> i competeix intensament pels recursos. Detectat per primera vegada al <strong>Delta de l\u2019Ebre el 2017<\/strong>, s\u2019ha consolidat a la zona i, curiosament, ha trobat un lloc a la <strong>gastronomia local.<\/strong><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/cnestartit.com\/wp-content\/uploads\/2025\/08\/003-5-1024x683.png\" alt=\"\" class=\"wp-image-56895\" srcset=\"https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/003-5-1024x683.png 1024w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/003-5-300x200.png 300w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/003-5-768x512.png 768w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/003-5-1536x1024.png 1536w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/003-5-2048x1366.png 2048w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/003-5-600x400.png 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>2. <em>Caulerpa taxifolia<\/em><\/strong><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Aquesta <strong>alga invasora<\/strong>, origin\u00e0ria d\u2019aquaris, s\u2019ha detectat en diversos punts del <strong>Cap de Creus<\/strong> i les<strong> Illes Medes. <\/strong>Forma denses catifes sobre fons marins, cobrint <strong>praderies de posid\u00f2nia<\/strong> i impedint el desenvolupament d\u2019esp\u00e8cies aut\u00f2ctones.<br>La seva agressivitat li ha valgut el sobrenom d\u2019\u201c<strong>alga assassina<\/strong>\u201d, popularitzat als anys noranta per la seva r\u00e0pida expansi\u00f3 al Mediterrani franc\u00e8s.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/cnestartit.com\/wp-content\/uploads\/2025\/08\/001-01-1-1024x683.png\" alt=\"\" class=\"wp-image-56899\" srcset=\"https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/001-01-1-1024x683.png 1024w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/001-01-1-300x200.png 300w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/001-01-1-768x512.png 768w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/001-01-1-1536x1024.png 1536w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/001-01-1-2048x1366.png 2048w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/001-01-1-600x400.png 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>3. <em>Asparagopsis taxiformis<\/em><\/strong><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Alga vermella d\u2019origen tropical detectada recentment a la <strong>Reserva Marina de les Illes Medes.<\/strong> A la primavera del 2024, la seva poblaci\u00f3 es va multiplicar per 30 en comparaci\u00f3 amb el 2023. La seva expansi\u00f3 amena\u00e7a amb despla\u00e7ar esp\u00e8cies clau com la <strong><em>Posidonia oceanica<\/em>.<\/strong><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/cnestartit.com\/wp-content\/uploads\/2025\/08\/007-2-1024x683.png\" alt=\"\" class=\"wp-image-56903\" srcset=\"https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/007-2-1024x683.png 1024w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/007-2-300x200.png 300w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/007-2-768x512.png 768w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/007-2-1536x1024.png 1536w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/007-2-2048x1366.png 2048w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/007-2-600x400.png 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Com combatre les esp\u00e8cies invasores marines<\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>La manera m\u00e9s efectiva de contribuir a la lluita contra les esp\u00e8cies invasores marines \u00e9s <strong>participar activament en la seva detecci\u00f3 primerenca i gesti\u00f3. <\/strong>Unir-se a iniciatives locals com el <strong><a href=\"https:\/\/www.minka-sdg.org\/\" data-type=\"link\" data-id=\"https:\/\/www.minka-sdg.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">Projecte MINKA <\/a><\/strong>permet aportar dades georeferenciades sobre organismes marins i terrestres, recollides per la mateixa comunitat, que s\u00f3n analitzades per experts.<strong> Aquesta plataforma de ci\u00e8ncia ciutadana fomenta que qualsevol persona comparteixi les seves observacions en un perfil personal, <\/strong>generi conversa sobre aquestes i accedeixi posteriorment a la validaci\u00f3 i opini\u00f3 professional d\u2019especialistes, impulsant aix\u00ed la conservaci\u00f3 de la biodiversitat.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"56907\" src=\"https:\/\/cnestartit.com\/wp-content\/uploads\/2025\/08\/ewrgfh-1-1024x683.png\" alt=\"\" class=\"wp-image-56907\" srcset=\"https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/ewrgfh-1-1024x683.png 1024w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/ewrgfh-1-300x200.png 300w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/ewrgfh-1-768x512.png 768w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/ewrgfh-1-1536x1024.png 1536w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/ewrgfh-1-2048x1366.png 2048w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/ewrgfh-1-600x400.png 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"56911\" src=\"https:\/\/cnestartit.com\/wp-content\/uploads\/2025\/08\/004-4-1024x683.png\" alt=\"\" class=\"wp-image-56911\" srcset=\"https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/004-4-1024x683.png 1024w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/004-4-300x200.png 300w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/004-4-768x512.png 768w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/004-4-1536x1024.png 1536w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/004-4-2048x1366.png 2048w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/004-4-600x400.png 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/cnestartit.com\/wp-content\/uploads\/2025\/08\/005-3-1024x683.png\" alt=\"\" class=\"wp-image-56915\" srcset=\"https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/005-3-1024x683.png 1024w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/005-3-300x200.png 300w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/005-3-768x512.png 768w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/005-3-1536x1024.png 1536w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/005-3-2048x1366.png 2048w, https:\/\/staging.cnestartit.com\/wp-content\/uploads\/2025\/08\/005-3-600x400.png 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Les esp\u00e8cies invasores marines representen una amena\u00e7a creixent per a la biodiversitat de la Costa Brava. Introdu\u00efdes, en molts casos, de manera accidental, aquestes esp\u00e8cies poden despla\u00e7ar les aut\u00f2ctones, alterar l\u2019equilibri dels ecosistemes i provocar importants desequilibris ecol\u00f2gics. Zones com la desembocadura del riu Ter, les Illes Medes o el Cap de Creus s\u00f3n \u00e0rees [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":56884,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[212],"tags":[389,175],"class_list":["post-56920","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sostenibilitat-ca","tag-club-nautic-estartit-ca","tag-costa-brava-ca"],"acf":[],"_links":{"self":[{"href":"https:\/\/staging.cnestartit.com\/ca\/wp-json\/wp\/v2\/posts\/56920","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/staging.cnestartit.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/staging.cnestartit.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/staging.cnestartit.com\/ca\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/staging.cnestartit.com\/ca\/wp-json\/wp\/v2\/comments?post=56920"}],"version-history":[{"count":0,"href":"https:\/\/staging.cnestartit.com\/ca\/wp-json\/wp\/v2\/posts\/56920\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/staging.cnestartit.com\/ca\/wp-json\/wp\/v2\/media\/56884"}],"wp:attachment":[{"href":"https:\/\/staging.cnestartit.com\/ca\/wp-json\/wp\/v2\/media?parent=56920"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/staging.cnestartit.com\/ca\/wp-json\/wp\/v2\/categories?post=56920"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/staging.cnestartit.com\/ca\/wp-json\/wp\/v2\/tags?post=56920"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}