{"id":26592,"date":"2024-04-19T13:59:31","date_gmt":"2024-04-19T17:59:31","guid":{"rendered":"https:\/\/world.dan.org\/?post_type=dan_alert_diver&#038;p=26592"},"modified":"2024-04-19T13:59:38","modified_gmt":"2024-04-19T17:59:38","slug":"fighting-the-european-green-crab-invasion","status":"publish","type":"dan_alert_diver","link":"https:\/\/world.dan.org\/es\/alert-diver\/article\/fighting-the-european-green-crab-invasion\/","title":{"rendered":"Lucha contra la invasi\u00f3n de cangrejos verdes europeos\u00a0"},"content":{"rendered":"<p>Al final de un muelle resbaladizo en Tofino en la isla de Vancouver durante un d\u00eda fr\u00edo y h\u00famedo de febrero, una tripulaci\u00f3n de la Coastal Restoration Society (CRS), una organizaci\u00f3n sin fines de lucro dedicada a la restauraci\u00f3n y el mantenimiento de la salud costera de Columbia Brit\u00e1nica, Canad\u00e1, se preparaba para una pelea.<\/p>\n\n\n\n<p>Se abrieron paso a trav\u00e9s del impetuoso viento, las olas y la lluvia para llegar a una bah\u00eda poco profunda en Clayoquot Sound en el territorio tradicional de Ahousaht First Nation, que estaba trabajando con la CRS para manejar la situaci\u00f3n. La bah\u00eda, alimentada por un r\u00edo de desove de salm\u00f3n, es el h\u00e1bitat perfecto para los invasores conocidos como cangrejos verdes europeos.<\/p>\n\n\n\n<p>Una de las especies invasivas m\u00e1s destructivas del mundo est\u00e1 ganando terreno \u2014o agua\u2014 en Canad\u00e1 y hasta Alaska. <em>Carcinus maenas<\/em>, que se traduce como \u201ccangrejo completamente loco\u201d, compite con muchas especies de cangrejos locales a la hora de devorar almejas, ostras y mejillones, y a veces incluso comen otros cangrejos y peces j\u00f3venes. Destruyen los pastos marinos, un h\u00e1bitat fundamental para j\u00f3venes salmones, arenques, peces roca y muchos otros animales marinos. Los pastos marinos tambi\u00e9n son un importante sumidero de carbono, hasta 35 veces m\u00e1s eficaces en el almacenamiento de carbono que los bosques pluviales. Los invasores pueden eliminar praderas enteras.<\/p>\n\n\n\n<div class=\"wp-block-columns has-small-font-size is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"450\" height=\"300\" src=\"https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_63_WaterPlanet-crab-pinch-450x300-1.jpg\" alt=\"En ocasiones, contar cangrejos puede ser un poco doloroso\u00a9 SHANE GROSS\" class=\"wp-image-26593\" srcset=\"https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_63_WaterPlanet-crab-pinch-450x300-1.jpg 450w, https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_63_WaterPlanet-crab-pinch-450x300-1-360x240.jpg 360w, https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_63_WaterPlanet-crab-pinch-450x300-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><figcaption class=\"wp-element-caption\">En ocasiones, contar cangrejos puede ser un poco doloroso\n\u00a9 SHANE GROSS<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"450\" height=\"300\" src=\"https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_64_WaterPlanet-European-green-crab-trap-450x300-1.jpg\" alt=\"La Coastal Restoration Society recoge una trampa para cangrejos verdes europeos\u00a9 SHANE GROSS\" class=\"wp-image-26594\" srcset=\"https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_64_WaterPlanet-European-green-crab-trap-450x300-1.jpg 450w, https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_64_WaterPlanet-European-green-crab-trap-450x300-1-360x240.jpg 360w, https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_64_WaterPlanet-European-green-crab-trap-450x300-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><figcaption class=\"wp-element-caption\">La Coastal Restoration Society recoge una trampa para cangrejos verdes europeos\n\u00a9 SHANE GROSS<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p>En Clayoquot Sound, el equipo comenz\u00f3 a sacar las trampas. El t\u00e9cnico de la CRS James George explic\u00f3 que ellos rotan la ubicaci\u00f3n de sus trampas entre cuatro puntos diferentes y permanecen en cada punto por una semana para eliminar tantos cangrejos como puedan. \u201cHoy capturaremos una gran cantidad porque no hemos puesto trampas aqu\u00ed en un mes\u201d, afirm\u00f3. Estaba en lo correcto.<\/p>\n\n\n\n<p>Los cangrejos verdes europeos llegaron a Am\u00e9rica del Norte en el siglo XIX, probablemente en el agua de lastre de los buques provenientes de Europa y \u00c1frica del Norte. En la d\u00e9cada de 1980 viajaron en buques que navegaban por el canal de Panam\u00e1 e ingresaron a las aguas de California, donde finalmente llegaron a Columbia Brit\u00e1nica en 1989. Los cangrejos han llegado a pr\u00e1cticamente todos los lugares donde han ido los buques de la humanidad. Hoy en d\u00eda est\u00e1n establecidos en Australia, Sud\u00e1frica, Am\u00e9rica del Sur y en ambas costas de Am\u00e9rica del Norte.&nbsp;<\/p>\n\n\n\n<p>Los cangrejos son resilientes y pueden tolerar una amplia variedad de temperaturas y salinidades, pero los j\u00f3venes tienen m\u00e1s dificultad para sobrevivir en las bajas temperaturas del norte de Columbia Brit\u00e1nica y Alaska. Sin embargo, a medida que el cambio clim\u00e1tico calienta esas aguas, es m\u00e1s f\u00e1cil para las pestes propagarse hacia el norte.<\/p>\n\n\n\n<p>Una raz\u00f3n importante por la cual se propagan tan r\u00e1pidamente es que las hembras pueden producir 185.000 huevos a la vez. Los cangrejos comienzan su vida como peque\u00f1as larvas, desplaz\u00e1ndose en corrientes oce\u00e1nicas, expandiendo su territorio poco a poco a cualquier lugar que les resulte conveniente, como las ensenadas poco profundas aparentemente interminables y los estuarios de la isla de Vancouver. Pero no est\u00e1n en todas partes \u2014todav\u00eda\u2014. En la actualidad, el mar de Salish entre la isla de Vancouver y el continente est\u00e1 libre de cangrejos verdes. Pero dada la lejan\u00eda y complejidad de estos ecosistemas, es sumamente probable que se produzcan m\u00e1s brotes.<\/p>\n\n\n\n<div class=\"wp-block-columns has-small-font-size is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"450\" height=\"300\" src=\"https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_65_WaterPlanet-research-boat-450x300-1.jpg\" alt=\"Una embarcaci\u00f3n de investigaci\u00f3n trabaja en Clayoquot Sound, el territorio tradicional de Ahousaht First Nation\u00a9 SHANE GROSS\" class=\"wp-image-26595\" srcset=\"https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_65_WaterPlanet-research-boat-450x300-1.jpg 450w, https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_65_WaterPlanet-research-boat-450x300-1-360x240.jpg 360w, https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_65_WaterPlanet-research-boat-450x300-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><figcaption class=\"wp-element-caption\">Una embarcaci\u00f3n de investigaci\u00f3n trabaja en Clayoquot Sound, el territorio tradicional de Ahousaht First Nation\n\u00a9 SHANE GROSS<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"450\" height=\"300\" src=\"https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_72_WaterPlanet-Clayoquot-Sound-450x300-1.jpg\" alt=\"Clayoquot Sound tiene algunas corrientes dif\u00edciles, dependiendo de las mareas\u00a9 SHANE GROSS\" class=\"wp-image-26602\" srcset=\"https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_72_WaterPlanet-Clayoquot-Sound-450x300-1.jpg 450w, https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_72_WaterPlanet-Clayoquot-Sound-450x300-1-360x240.jpg 360w, https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_72_WaterPlanet-Clayoquot-Sound-450x300-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><figcaption class=\"wp-element-caption\">Clayoquot Sound tiene algunas corrientes dif\u00edciles, dependiendo de las mareas\n\u00a9 SHANE GROSS<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p>Se pueden mantener controlados si anticipamos su llegada con suficiente antelaci\u00f3n. \u201cRealmente se puede ver la diferencia\u201d, coment\u00f3 George. \u201cCapturaremos menos cangrejos para finales de la semana, y la zostera (Zostera marina) ha comenzado a volver a aparecer en lugares donde colocamos trampas\u201d.<\/p>\n\n\n\n<p>Parece contradictorio, pero intentar eliminarlos por completo de un \u00e1rea establecida puede empeorar la situaci\u00f3n. Investigadores de la Universidad de California en Davis (University of California, Davis) y otros individuos realizaron un experimento de 2009 a 2014 en la laguna Seadrift en Stinson Beach, California, donde colocaron tantas trampas que la cantidad de cangrejos verdes adultos disminuy\u00f3 en un 90 por ciento. Pero luego la poblaci\u00f3n explot\u00f3. Los cangrejos verdes son can\u00edbales, y los adultos mantienen la poblaci\u00f3n bajo control comi\u00e9ndose a algunos de los m\u00e1s j\u00f3venes. Las trampas solo capturan a los adultos, por lo que un pu\u00f1ado de j\u00f3venes estaban listos para crecer grandes y fuertes. Si no podemos erradicarlos, tendremos que manejarlos para evitar las peores consecuencias. Eso significa atrapar a muchos cangrejos, pero no a todos.<\/p>\n\n\n\n<p>La cuesti\u00f3n de qu\u00e9 hacer con los cangrejos una vez que son capturados es complicada. Son de baja rentabilidad pero comestibles, aunque Health Canada no los ha aprobado para el consumo humano. Algunas empresas de los Estados Unidos han tomado la postura de \u201csi no puedes vencerlos, puedes comerlos\u201d, con la intenci\u00f3n de aumentar la demanda entre los restaurantes y los consumidores. Los cr\u00edticos de este plan temen que crear un mercado rentable para los cangrejos del tama\u00f1o de una mano conducir\u00e1 a una propagaci\u00f3n intencional y no intencional.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-columns has-dan-black-color has-text-color has-link-color has-small-font-size wp-elements-6c1550a8ffdf277ec107e5b0f98b2f93 is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:53%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"450\" height=\"345\" src=\"https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_67_WaterPlanet-green-crab-450x345-1.jpg\" alt=\"European green crabs\" class=\"wp-image-26597\" srcset=\"https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_67_WaterPlanet-green-crab-450x345-1.jpg 450w, https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_67_WaterPlanet-green-crab-450x345-1-360x276.jpg 360w, https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_67_WaterPlanet-green-crab-450x345-1-16x12.jpg 16w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><figcaption class=\"wp-element-caption\">Los cangrejos verdes europeos pueden producir hasta 185.000 huevos a la vez\n\u00a9 SHANE GROSS<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:47%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"401\" height=\"345\" src=\"https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_68_WaterPlanet-measure-crab-400x345-1.jpg\" alt=\"Joe Elley, un t\u00e9cnico de captura de la CRS, mide un cangrejo recolectado \u2014una hembra portando huevos\u2014\u00a9 SHANE GROSS\" class=\"wp-image-26598\" srcset=\"https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_68_WaterPlanet-measure-crab-400x345-1.jpg 401w, https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_68_WaterPlanet-measure-crab-400x345-1-360x310.jpg 360w, https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_68_WaterPlanet-measure-crab-400x345-1-14x12.jpg 14w\" sizes=\"auto, (max-width: 401px) 100vw, 401px\" \/><figcaption class=\"wp-element-caption\">Joe Elley, un t\u00e9cnico de captura de la CRS, mide un cangrejo recolectado \u2014una hembra portando huevos\u2014\n\u00a9 SHANE GROSS<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p>Por el momento, la CRS los congela r\u00e1pidamente en un congelador industrial inmenso. Posteriormente, los cangrejos son convertidos en fertilizante que puede ser utilizado por Ahousaht a su petici\u00f3n o ser enviado a vertederos.<\/p>\n\n\n\n<p>Cuando le pregunt\u00e9 a nuestra capitana, Alex King, una cient\u00edfica y la gerente de proyecto regional de la CRS, si hab\u00eda escuchado que el whisky de New Hampshire estaba hecho de cangrejos, se rio. \u201cS\u00ed, todas las personas que conozco me han preguntado sobre eso\u201d, se\u00f1al\u00f3. \u201cEs excelente para crear conciencia sobre el tema, y creo que hay mucho potencial para m\u00e1s cosas de ese tipo, pero la escala es muy peque\u00f1a. Tenemos que pensar en algo mucho m\u00e1s grande\u201d.La CRS se ha vuelto una experta eficiente en la captura de cangrejos verdes europeos pr\u00e1cticamente sin captura incidental de especies no deseadas, pero en la organizaci\u00f3n no est\u00e1n equipados para convertir los cangrejos en fertilizante, alimento, carnada, whisky, bolsas de biopl\u00e1stico o cualquier otro uso sugerido para los cientos de miles de cangrejos verdes que capturan. Pero hay una oportunidad para cualquiera que pueda hacerlo.Por ahora tenemos la obligaci\u00f3n de manejar estos cangrejos a largo plazo. \u201cAl menos son trabajos permanentes\u201d, grit\u00f3 el t\u00e9cnico de la CRS Joe Elley por encima del rugir de los motores mientras naveg\u00e1bamos de regreso a Tofino. Y no est\u00e1 equivocado.<\/p>\n\n\n\n<p>The CRS has become efficiently expert at catching the European green crabs with virtually no bycatch of unwanted species, but they are not equipped to turn the crabs into fertilizer, feed, bait, whiskey, bioplastic bags, or any of the other suggested uses for the hundreds of thousands of green crabs they catch. But an opportunity is there for someone who can.<\/p>\n\n\n\n<p>Por ahora tenemos la obligaci\u00f3n de manejar estos cangrejos a largo plazo. \u201cAl menos son trabajos permanentes\u201d, grit\u00f3 el t\u00e9cnico de la CRS Joe Elley por encima del rugir de los motores mientras naveg\u00e1bamos de regreso a Tofino. Y no est\u00e1 equivocado.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:36.5%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"375\" height=\"250\" src=\"https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_69_WaterPlanet-crab-in-eelgrass-375x250-1.jpg\" alt=\"Un cangrejo verde europeo pasa el rato en una pradera de zostera\u00a9 SHANE GROSS\" class=\"wp-image-26599\" srcset=\"https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_69_WaterPlanet-crab-in-eelgrass-375x250-1.jpg 375w, https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_69_WaterPlanet-crab-in-eelgrass-375x250-1-360x240.jpg 360w, https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_69_WaterPlanet-crab-in-eelgrass-375x250-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 375px) 100vw, 375px\" \/><figcaption class=\"wp-element-caption\">Un cangrejo verde europeo pasa el rato en una pradera de zostera\n\u00a9 SHANE GROSS<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:27%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"271\" height=\"250\" src=\"https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_70_WaterPlanet-crab-trans-270x250-1.jpg\" alt=\"Los cangrejos son transportados a un enorme congelador industrial\u00a9 SHANE GROSS\" class=\"wp-image-26600\" srcset=\"https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_70_WaterPlanet-crab-trans-270x250-1.jpg 271w, https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_70_WaterPlanet-crab-trans-270x250-1-13x12.jpg 13w\" sizes=\"auto, (max-width: 271px) 100vw, 271px\" \/><figcaption class=\"wp-element-caption\">Los cangrejos son transportados a un enorme congelador industrial\n\u00a9 SHANE GROSS<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:36.5%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"375\" height=\"250\" src=\"https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_71_WaterPlanet-crab-trap-375x250-1.jpg\" alt=\"El t\u00e9cnico de captura de la CRS James George mira dentro de una trampa para cangrejos\u00a9 SHANE GROSS\" class=\"wp-image-26601\" srcset=\"https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_71_WaterPlanet-crab-trap-375x250-1.jpg 375w, https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_71_WaterPlanet-crab-trap-375x250-1-360x240.jpg 360w, https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_71_WaterPlanet-crab-trap-375x250-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 375px) 100vw, 375px\" \/><figcaption class=\"wp-element-caption\">El t\u00e9cnico de captura de la CRS James George mira dentro de una trampa para cangrejos\n\u00a9 SHANE GROSS<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-dan-light-gray-color has-alpha-channel-opacity has-dan-light-gray-background-color has-background is-style-wide\"\/>\n\n\n\n<p class=\"has-small-font-size\">\u00a9&nbsp;<em>Alert Diver<\/em>&nbsp;\u2014 Q1 2024<\/p>","protected":false},"excerpt":{"rendered":"<p>Una de las especies invasivas m\u00e1s destructivas del mundo est\u00e1 ganando terreno \u2014o agua\u2014 en Canad\u00e1 y hasta Alaska. Carcinus maenas, que se traduce como \u201ccangrejo completamente loco\u201d, compite con muchas especies de cangrejos locales a la hora de devorar almejas, ostras y mejillones, y a veces incluso comen otros cangrejos y peces j\u00f3venes. Destruyen los pastos marinos, un h\u00e1bitat fundamental para j\u00f3venes salmones, arenques, peces roca y muchos otros animales marinos.<\/p>","protected":false},"featured_media":26596,"template":"","dan_alert_diver_categories":[70],"dan_alert_diver_issues":[489],"class_list":["post-26592","dan_alert_diver","type-dan_alert_diver","status-publish","has-post-thumbnail","hentry","dan_alert_diver_categories-water-planet","dan_alert_diver_issues-q1-2024"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Fighting the European\u00a0Green Crab Invasion\u00a0 - DAN World<\/title>\n<meta name=\"description\" content=\"One of the world\u2019s most destructive invasive species is gaining new ground \u2014 or water \u2014 in Canada and up to Alaska. Carcinus maenas, which translates to \u201craving mad crab,\u201d outcompetes many local crab species in devouring clams, oysters, and mussels, and they sometimes even eat other crabs and juvenile fish. They destroy seagrass, an essential habitat for juvenile salmon, herring, rockfish, and many other marine animals.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/world.dan.org\/es\/alert-diver\/article\/fighting-the-european-green-crab-invasion\/\" \/>\n<meta property=\"og:locale\" content=\"es_MX\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fighting the European\u00a0Green Crab Invasion\u00a0\" \/>\n<meta property=\"og:description\" content=\"One of the world\u2019s most destructive invasive species is gaining new ground \u2014 or water \u2014 in Canada and up to Alaska. Carcinus maenas, which translates to \u201craving mad crab,\u201d outcompetes many local crab species in devouring clams, oysters, and mussels, and they sometimes even eat other crabs and juvenile fish.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/world.dan.org\/es\/alert-diver\/article\/fighting-the-european-green-crab-invasion\/\" \/>\n<meta property=\"og:site_name\" content=\"DAN World\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-19T17:59:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/world.dan.org\/wp-content\/uploads\/2024\/04\/Q1_66_WaterPlanet-green-crab-1200x600-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:description\" content=\"One of the world\u2019s most destructive invasive species is gaining new ground \u2014 or water \u2014 in Canada and up to Alaska. Carcinus maenas, which translates to \u201craving mad crab,\u201d outcompetes many local crab species in devouring clams, oysters, and mussels, and they sometimes even eat other crabs and juvenile fish.\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/world.dan.org\\\/alert-diver\\\/article\\\/fighting-the-european-green-crab-invasion\\\/\",\"url\":\"https:\\\/\\\/world.dan.org\\\/alert-diver\\\/article\\\/fighting-the-european-green-crab-invasion\\\/\",\"name\":\"Fighting the European\u00a0Green Crab Invasion\u00a0 - DAN World\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/world.dan.org\\\/es\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/world.dan.org\\\/alert-diver\\\/article\\\/fighting-the-european-green-crab-invasion\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/world.dan.org\\\/alert-diver\\\/article\\\/fighting-the-european-green-crab-invasion\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/world.dan.org\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/Q1_66_WaterPlanet-green-crab-1200x600-1.jpg\",\"datePublished\":\"2024-04-19T17:59:31+00:00\",\"dateModified\":\"2024-04-19T17:59:38+00:00\",\"description\":\"One of the world\u2019s most destructive invasive species is gaining new ground \u2014 or water \u2014 in Canada and up to Alaska. Carcinus maenas, which translates to \u201craving mad crab,\u201d outcompetes many local crab species in devouring clams, oysters, and mussels, and they sometimes even eat other crabs and juvenile fish. 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