{"id":2303,"date":"2025-07-07T00:14:32","date_gmt":"2025-07-06T22:14:32","guid":{"rendered":"https:\/\/elbohiorevista.com\/?p=2303"},"modified":"2025-07-07T00:21:02","modified_gmt":"2025-07-06T22:21:02","slug":"el-sargazo-que-llega-a-rd-tiene-altas-concentraciones-de-arsenico","status":"publish","type":"post","link":"https:\/\/elbohiorevista.com\/index.php\/2025\/07\/07\/el-sargazo-que-llega-a-rd-tiene-altas-concentraciones-de-arsenico\/","title":{"rendered":"El sargazo que llega a RD tiene altas concentraciones de ars\u00e9nico"},"content":{"rendered":"<div class=\"pvc_clear\"><\/div><p id=\"pvc_stats_2303\" class=\"pvc_stats all  \" data-element-id=\"2303\" style=\"\"><i class=\"pvc-stats-icon large\" aria-hidden=\"true\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" version=\"1.0\" viewBox=\"0 0 502 315\" preserveAspectRatio=\"xMidYMid meet\"><g transform=\"translate(0,332) scale(0.1,-0.1)\" fill=\"\" stroke=\"none\"><path d=\"M2394 3279 l-29 -30 -3 -207 c-2 -182 0 -211 15 -242 39 -76 157 -76 196 0 15 31 17 60 15 243 l-3 209 -33 29 c-26 23 -41 29 -80 29 -41 0 -53 -5 -78 -31z\"\/><path d=\"M3085 3251 c-45 -19 -58 -50 -96 -229 -47 -217 -49 -260 -13 -295 52 -53 146 -42 177 20 16 31 87 366 87 410 0 70 -86 122 -155 94z\"\/><path d=\"M1751 3234 c-13 -9 -29 -31 -37 -50 -12 -29 -10 -49 21 -204 19 -94 39 -189 45 -210 14 -50 54 -80 110 -80 34 0 48 6 76 34 21 21 34 44 34 59 0 14 -18 113 -40 219 -37 178 -43 195 -70 221 -36 32 -101 37 -139 11z\"\/><path d=\"M1163 3073 c-36 -7 -73 -59 -73 -102 0 -56 133 -378 171 -413 34 -32 83 -37 129 -13 70 36 67 87 -16 290 -86 209 -89 214 -129 231 -35 14 -42 15 -82 7z\"\/><path d=\"M3689 3066 c-15 -9 -33 -30 -42 -48 -48 -103 -147 -355 -147 -375 0 -98 131 -148 192 -74 13 15 57 108 97 206 80 196 84 226 37 273 -30 30 -99 39 -137 18z\"\/><path d=\"M583 2784 c-38 -19 -67 -74 -58 -113 9 -42 211 -354 242 -373 16 -10 45 -18 66 -18 51 0 107 52 107 100 0 39 -1 41 -124 234 -80 126 -108 162 -133 173 -41 17 -61 16 -100 -3z\"\/><path d=\"M4250 2784 c-14 -9 -74 -91 -133 -183 -95 -150 -107 -173 -107 -213 0 -55 33 -94 87 -104 67 -13 90 8 211 198 130 202 137 225 78 284 -27 27 -42 34 -72 34 -22 0 -50 -8 -64 -16z\"\/><path d=\"M2275 2693 c-553 -48 -1095 -270 -1585 -649 -135 -104 -459 -423 -483 -476 -23 -49 -22 -139 2 -186 73 -142 361 -457 571 -626 285 -228 642 -407 990 -497 242 -63 336 -73 660 -74 310 0 370 5 595 52 535 111 1045 392 1455 803 122 121 250 273 275 326 19 41 19 137 0 174 -41 79 -309 363 -465 492 -447 370 -946 591 -1479 653 -113 14 -422 18 -536 8z m395 -428 c171 -34 330 -124 456 -258 112 -119 167 -219 211 -378 27 -96 24 -300 -5 -401 -72 -255 -236 -447 -474 -557 -132 -62 -201 -76 -368 -76 -167 0 -236 14 -368 76 -213 98 -373 271 -451 485 -162 444 86 934 547 1084 153 49 292 57 452 25z m909 -232 c222 -123 408 -262 593 -441 76 -74 138 -139 138 -144 0 -16 -233 -242 -330 -319 -155 -123 -309 -223 -461 -299 l-81 -41 32 46 c18 26 49 83 70 128 143 306 141 649 -6 957 -25 52 -61 116 -79 142 l-34 47 45 -20 c26 -10 76 -36 113 -56z m-2057 25 c-40 -58 -105 -190 -130 -263 -110 -324 -59 -707 132 -981 25 -35 42 -64 37 -64 -19 0 -241 119 -326 174 -188 122 -406 314 -532 468 l-58 71 108 103 c185 178 428 349 672 473 66 33 121 60 123 61 2 0 -10 -19 -26 -42z\"\/><path d=\"M2375 1950 c-198 -44 -350 -190 -395 -379 -18 -76 -8 -221 19 -290 114 -284 457 -406 731 -260 98 52 188 154 231 260 27 69 37 214 19 290 -38 163 -166 304 -326 360 -67 23 -215 33 -279 19z\"\/><\/g><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/elbohiorevista.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p><div class=\"pvc_clear\"><\/div>\n<h1 class=\"wp-block-heading\"><\/h1>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>Investigadores del INTEC presentan tercer estudio sobre la presencia de metales pesados en las variedades del alga que llega a las costas de la isla<\/p>\n\n\n\n<p>SANTO DOMINGO. Las<strong>&nbsp;variedades de sargazo<\/strong>&nbsp;que llegan a las costas del&nbsp;<strong>pa\u00eds<\/strong>&nbsp;tienen&nbsp;<strong>concentraciones<\/strong>&nbsp;de&nbsp;<strong>ars\u00e9nico<\/strong>&nbsp;que&nbsp;<strong>superan<\/strong>&nbsp;los<strong>&nbsp;l\u00edmites<\/strong>&nbsp;establecidos a&nbsp;<strong>nivel internacional&nbsp;<\/strong>para ser utilizados en labores agr\u00edcolas y de alimentaci\u00f3n de animales. As\u00ed lo revela un estudio realizado por investigadores del&nbsp;<strong>Instituto Tecnol\u00f3gico de Santo Domingo<\/strong>&nbsp;(INTEC) quienes analizaron la concentraci\u00f3n de metales pesados en el alga.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>La investigaci\u00f3n, publicada en el journal cient\u00edfico&nbsp;<strong>Marine Pollution Bulletin<\/strong>, consisti\u00f3 en la&nbsp;<strong>recolecci\u00f3n<\/strong>&nbsp;de muestras de las&nbsp;<strong>tres variedades de algas<\/strong>&nbsp;que llegan a las costas del pa\u00eds en&nbsp;<strong>ocho playas<\/strong>, con el objetivo de analizar la presencia de metales pesados en su composici\u00f3n para determinar la posibilidad de su uso en la agricultura.<\/p>\n<\/blockquote>\n\n\n\n<p>Los&nbsp;<strong>investigadores del INTEC<\/strong>&nbsp;detectaron la presencia de&nbsp;<strong>once metales pesados<\/strong>, teniendo al&nbsp;<strong>hierro<\/strong>,&nbsp;<strong>ars\u00e9nico<\/strong>&nbsp;y&nbsp;<strong>zinc<\/strong>&nbsp;en las m\u00e1s altas concentraciones. Tambi\u00e9n&nbsp;<strong>cadmio<\/strong>&nbsp;en las muestras de tres de las playas,&nbsp;<strong>n\u00edquel<\/strong>&nbsp;en cinco y&nbsp;<strong>plomo<\/strong>&nbsp;en seis.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Rolando Liranzo<\/strong>,&nbsp;<strong>Aris Mendis G\u00f3mez<\/strong>,<strong>&nbsp;Bol\u00edvar G\u00f3mez<\/strong>,&nbsp;<strong>Yusmel Gonz\u00e1lez-Hern\u00e1ndez&nbsp;<\/strong>y&nbsp;<strong>Ulises Jauregui-Haza<\/strong>&nbsp;recolectaron muestras de las tres variedades de sargazo que llegan al pa\u00eds:&nbsp;<em>S. fluitans III<\/em>,&nbsp;<em>S. nathans I<\/em>&nbsp;y&nbsp;<em>nathans VIII<\/em>, en ocho playas del territorio nacional en el a\u00f1o 2021. Se trat\u00f3 de las playas de B\u00e1varo y Punta Cana, en La Altagracia; Juan Dolio y Guayacanes, en San Pedro de Macor\u00eds; San Andr\u00e9s, en Santo Domingo; Nigua, en San Crist\u00f3bal; Enriquillo, en Barahona y Juancho en Pedernales.<\/p>\n<\/blockquote>\n\n\n\n<p>La investigaci\u00f3n es parte de los trabajos de investigaci\u00f3n que producen los alumnos del doctorado en Ciencias Ambientales que se ofrece en el INTEC.<\/p>\n\n\n\n<p>Los hallazgos fueron comparados con los dos estudios previos a la presencia de metales en las algas que llegan a las costas de la isla y se encontr\u00f3 que los valores de ars\u00e9nico reportados son dos veces mayores a los reportados en muestras recolectadas en 2015 y 2019. Los valores de cobalto, cloro, cadmio, n\u00edquel y zinc fueron m\u00e1s bajos; en tanto que para cobre y plomo estuvieron en el mismo rango de los estudios previos.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u201cAl comparar nuestros resultados con el rango de valores m\u00e1ximos establecidos para uso de ars\u00e9nico en la agricultura, suelos y alimentaci\u00f3n animal, observamos que, en todos los casos, el contenido de ars\u00e9nico en las muestras estudiadas est\u00e1 dentro de ese rango o lo excede, lo que constituye una limitaci\u00f3n para prop\u00f3sitos en el uso en la agricultura\u201d, especifica la publicaci\u00f3n cient\u00edfica. Indica que su uso para esos fines podr\u00eda causar da\u00f1os de largo plazo a los suelos, y potencialmente pasar a la cadena alimenticia a trav\u00e9s de los alimentos.<\/p>\n<\/blockquote>\n\n\n\n<p>La investigaci\u00f3n confirma la importancia de continuar realizando investigaciones sobre la composici\u00f3n qu\u00edmica y org\u00e1nica del sargazo que llega a las costas del pa\u00eds, antes de estimular su utilizaci\u00f3n en las labores agr\u00edcolas y de alimentaci\u00f3n de animales.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Los dos estudios previos sobre la presencia de metales pesados en el sargazo tambi\u00e9n fueron realizados por investigadores del INTEC.&nbsp;<strong>Fern\u00e1ndez<\/strong>,&nbsp;<strong>Boluda<\/strong>,&nbsp;<strong>Olivera<\/strong>,&nbsp;<strong>Guillermo<\/strong>,&nbsp;<strong>G\u00f3mez<\/strong>,&nbsp;<strong>Echavarr\u00eda, Mendis G\u00f3mez<\/strong>&nbsp;presentaron el estudio&nbsp;<strong>\u201cAn\u00e1lisis elemental prospectivo de la biomasa algal acumulada en las costas de Republica Dominicana en 2015\u201d<\/strong>; en tanto que&nbsp;<strong>Tejada-Tejada<\/strong>,&nbsp;<strong>Rodr\u00edguez-Rodr\u00edguez<\/strong>,&nbsp;<strong>Luis Rodr\u00edguez de Francisco<\/strong>,&nbsp;<strong>Omar Paino<\/strong>&nbsp;y&nbsp;<strong>Boluda<\/strong>&nbsp;presentaron&nbsp;<strong>\u201cLead, chromium, nickel, copper and zinc levels in sargassum species reached the coast of Dominican Republic during 2019\u201d<\/strong>.<\/p>\n\n\n\n<p>El ars\u00e9nico es un elemento qu\u00edmico del grupo de los metaloides y puede encontrarse de forma natural en el aire, agua y suelo. Se ha vinculado la exposici\u00f3n al ars\u00e9nico con diversos tipos de c\u00e1ncer.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Fuente: https:\/\/listindiario.com\/economia\/medio-ambiente\/20230831\/proponen-colectar-sargazo-alta-mar-crear-cadena-valor_770859.html<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_2303\" class=\"pvc_stats all  \" data-element-id=\"2303\" style=\"\"><i class=\"pvc-stats-icon large\" aria-hidden=\"true\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" version=\"1.0\" viewBox=\"0 0 502 315\" preserveAspectRatio=\"xMidYMid meet\"><g transform=\"translate(0,332) scale(0.1,-0.1)\" fill=\"\" stroke=\"none\"><path d=\"M2394 3279 l-29 -30 -3 -207 c-2 -182 0 -211 15 -242 39 -76 157 -76 196 0 15 31 17 60 15 243 l-3 209 -33 29 c-26 23 -41 29 -80 29 -41 0 -53 -5 -78 -31z\"\/><path d=\"M3085 3251 c-45 -19 -58 -50 -96 -229 -47 -217 -49 -260 -13 -295 52 -53 146 -42 177 20 16 31 87 366 87 410 0 70 -86 122 -155 94z\"\/><path d=\"M1751 3234 c-13 -9 -29 -31 -37 -50 -12 -29 -10 -49 21 -204 19 -94 39 -189 45 -210 14 -50 54 -80 110 -80 34 0 48 6 76 34 21 21 34 44 34 59 0 14 -18 113 -40 219 -37 178 -43 195 -70 221 -36 32 -101 37 -139 11z\"\/><path d=\"M1163 3073 c-36 -7 -73 -59 -73 -102 0 -56 133 -378 171 -413 34 -32 83 -37 129 -13 70 36 67 87 -16 290 -86 209 -89 214 -129 231 -35 14 -42 15 -82 7z\"\/><path d=\"M3689 3066 c-15 -9 -33 -30 -42 -48 -48 -103 -147 -355 -147 -375 0 -98 131 -148 192 -74 13 15 57 108 97 206 80 196 84 226 37 273 -30 30 -99 39 -137 18z\"\/><path d=\"M583 2784 c-38 -19 -67 -74 -58 -113 9 -42 211 -354 242 -373 16 -10 45 -18 66 -18 51 0 107 52 107 100 0 39 -1 41 -124 234 -80 126 -108 162 -133 173 -41 17 -61 16 -100 -3z\"\/><path d=\"M4250 2784 c-14 -9 -74 -91 -133 -183 -95 -150 -107 -173 -107 -213 0 -55 33 -94 87 -104 67 -13 90 8 211 198 130 202 137 225 78 284 -27 27 -42 34 -72 34 -22 0 -50 -8 -64 -16z\"\/><path d=\"M2275 2693 c-553 -48 -1095 -270 -1585 -649 -135 -104 -459 -423 -483 -476 -23 -49 -22 -139 2 -186 73 -142 361 -457 571 -626 285 -228 642 -407 990 -497 242 -63 336 -73 660 -74 310 0 370 5 595 52 535 111 1045 392 1455 803 122 121 250 273 275 326 19 41 19 137 0 174 -41 79 -309 363 -465 492 -447 370 -946 591 -1479 653 -113 14 -422 18 -536 8z m395 -428 c171 -34 330 -124 456 -258 112 -119 167 -219 211 -378 27 -96 24 -300 -5 -401 -72 -255 -236 -447 -474 -557 -132 -62 -201 -76 -368 -76 -167 0 -236 14 -368 76 -213 98 -373 271 -451 485 -162 444 86 934 547 1084 153 49 292 57 452 25z m909 -232 c222 -123 408 -262 593 -441 76 -74 138 -139 138 -144 0 -16 -233 -242 -330 -319 -155 -123 -309 -223 -461 -299 l-81 -41 32 46 c18 26 49 83 70 128 143 306 141 649 -6 957 -25 52 -61 116 -79 142 l-34 47 45 -20 c26 -10 76 -36 113 -56z m-2057 25 c-40 -58 -105 -190 -130 -263 -110 -324 -59 -707 132 -981 25 -35 42 -64 37 -64 -19 0 -241 119 -326 174 -188 122 -406 314 -532 468 l-58 71 108 103 c185 178 428 349 672 473 66 33 121 60 123 61 2 0 -10 -19 -26 -42z\"\/><path d=\"M2375 1950 c-198 -44 -350 -190 -395 -379 -18 -76 -8 -221 19 -290 114 -284 457 -406 731 -260 98 52 188 154 231 260 27 69 37 214 19 290 -38 163 -166 304 -326 360 -67 23 -215 33 -279 19z\"\/><\/g><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/elbohiorevista.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n<p>Investigadores del INTEC presentan tercer estudio sobre la presencia de metales pesados en las variedades del alga que llega a las costas de la isla SANTO DOMINGO. Las&nbsp;variedades de sargazo&nbsp;que llegan a las costas del&nbsp;pa\u00eds&nbsp;tienen&nbsp;concentraciones&nbsp;de&nbsp;ars\u00e9nico&nbsp;que&nbsp;superan&nbsp;los&nbsp;l\u00edmites&nbsp;establecidos a&nbsp;nivel internacional&nbsp;para ser utilizados en labores agr\u00edcolas y de alimentaci\u00f3n de animales. As\u00ed lo revela un estudio realizado por investigadores&#8230;<\/p>\n","protected":false},"author":3,"featured_media":2304,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15,16,76],"tags":[],"class_list":["post-2303","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ecologia","category-medio-ambiente","category-sargazos"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>El sargazo que llega a RD tiene altas concentraciones de ars\u00e9nico - Revista Electr\u00f3nica<\/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:\/\/elbohiorevista.com\/index.php\/2025\/07\/07\/el-sargazo-que-llega-a-rd-tiene-altas-concentraciones-de-arsenico\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"El sargazo que llega a RD tiene altas concentraciones de ars\u00e9nico - Revista Electr\u00f3nica\" \/>\n<meta property=\"og:description\" content=\"Investigadores del INTEC presentan tercer estudio sobre la presencia de metales pesados en las variedades del alga que llega a las costas de la isla SANTO DOMINGO. 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