{"id":7840,"date":"2017-11-17T01:15:04","date_gmt":"2017-11-16T18:15:04","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=7840"},"modified":"2017-12-04T01:15:53","modified_gmt":"2017-12-03T18:15:53","slug":"axit-hoa-dai-duong-de-doa-toan-bo-sinh-vat-bien","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/axit-hoa-dai-duong-de-doa-toan-bo-sinh-vat-bien\/","title":{"rendered":"Ax\u00edt h\u00f3a \u0111\u1ea1i d\u01b0\u01a1ng \u0111e d\u1ecda to\u00e0n b\u1ed9 sinh v\u1eadt bi\u1ec3n"},"content":{"rendered":"

\"alt\"<\/p>\n

C\u00e1c \u0111\u1ea1i d\u01b0\u01a1ng tr\u00ean Tr\u00e1i \u0111\u1ea5t \u0111ang ax\u00edt h\u00f3a v\u1edbi t\u1ed1c \u0111\u1ed9 ch\u01b0a t\u1eebng c\u00f3 trong l\u1ecbch s\u1eed v\u00e0 s\u1ebd \u0111e d\u1ecda t\u1edbi \u0111\u1eddi s\u1ed1ng c\u1ee7a to\u00e0n b\u1ed9 sinh v\u1eadt bi\u1ec3n tr\u00ean th\u1ebf gi\u1edbi n\u1ebfu con ng\u01b0\u1eddi kh\u00f4ng s\u1edbm c\u00f3 h\u00e0nh \u0111\u1ed9ng. \u0110\u00e2y l\u00e0 k\u1ebft lu\u1eadn c\u1ee7a nghi\u00ean c\u1ee9u m\u1edbi c\u1ee7a \u0110\u1ee9c mang t\u00ean “BIOACID – C\u00e1c t\u00e1c \u0111\u1ed9ng sinh h\u1ecdc c\u1ee7a ax\u00edt h\u00f3a \u0111\u1ea1i d\u01b0\u01a1ng”.<\/p>\n

Theo nghi\u00ean c\u1ee9u tr\u00ean, ax\u00edt h\u00f3a \u0111\u1ea1i d\u01b0\u01a1ng c\u00f3 kh\u1ea3 n\u0103ng khu\u1ebfch \u0111\u1ea1i t\u00e1c \u0111\u1ed9ng c\u1ee7a bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu, gi\u1ea3m kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 carbon dioxide (CO2<\/sub>) c\u1ee7a \u0111\u1ea1i d\u01b0\u01a1ng, c\u0169ng nh\u01b0 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp t\u1edbi \u0111\u1eddi s\u1ed1ng sinh v\u1eadt bi\u1ec3n, m\u1eb7c d\u00f9 m\u1ee9c \u0111\u1ed9 t\u00e1c \u0111\u1ed9ng kh\u00e1c nhau tr\u00ean t\u1eebng lo\u00e0i. Tuy nhi\u00ean, gi\u1edbi chuy\u00ean gia c\u1ea3nh b\u00e1o m\u1eb7c d\u00f9 m\u1ed9t s\u1ed1 lo\u00e0i d\u00f9 kh\u00f4ng ch\u1ecbu t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp t\u1eeb ax\u00edt h\u00f3a \u0111\u1ea1i d\u01b0\u01a1ng c\u0169ng s\u1ebd kh\u00f4ng th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c t\u00e1c \u0111\u1ed9ng gi\u00e1n ti\u1ebfp t\u1eeb nh\u1eefng x\u00e1o \u0111\u1ed9ng trong chu\u1ed7i th\u1ef1c ph\u1ea9m hay thay \u0111\u1ed5i m\u00f4i tr\u01b0\u1eddng s\u1ed1ng. Cu\u1ed1i c\u00f9ng, nh\u1eefng thay \u0111\u1ed5i n\u00e0y s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng khai th\u00e1c bi\u1ec3n c\u1ee7a con ng\u01b0\u1eddi, t\u1eeb \u0111\u00e1nh b\u1eaft c\u00e1 cho t\u1edbi c\u00e1c gi\u00e1 tr\u1ecb v\u0103n h\u00f3a v\u00e0 gi\u1ea3i tr\u00ed.<\/p>\n

Ax\u00edt h\u00f3a \u0111\u1ea1i d\u01b0\u01a1ng l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng CO2<\/sub>\u00a0h\u1ea5p th\u1ee5 v\u00e0o trong n\u01b0\u1edbc bi\u1ec3n. Qu\u00e1 tr\u00ecnh n\u00e0y gi\u00fap gi\u1ea3m t\u1ed1c \u0111\u1ed9 c\u1ee7a bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu to\u00e0n c\u1ea7u nh\u01b0ng m\u1eb7t kh\u00e1c c\u0169ng \u1ea3nh h\u01b0\u1edfng t\u1edbi s\u1ef1 s\u1ed1ng trong l\u00f2ng \u0111\u1ea1i d\u01b0\u01a1ng, c\u0169ng nh\u01b0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng ph\u1ee5 thu\u1ed9c v\u00e0o bi\u1ec3n.<\/p>\n

Theo ph\u00f3ng vi\u00ean TTXVN, Gi\u00e1o s\u01b0 Ulf Riebesell \u0111\u1ebfn t\u1eeb Trung t\u00e2m Nghi\u00ean c\u1ee9u \u0110\u1ea1i d\u01b0\u01a1ng GEOMAR Helmholtz \u0111\u1eb7t t\u1ea1i th\u00e0nh ph\u1ed1 Kiel, c\u0169ng l\u00e0 ng\u01b0\u1eddi \u0111\u1ee9ng \u0111\u1ea7u d\u1ef1 \u00e1n BIOACID, cho bi\u1ebft trong giai \u0111o\u1ea1n 2004-2013, \u0111\u1ea1i d\u01b0\u01a1ng \u0111\u00e3 h\u1ea5p th\u1ee5 trung b\u00ecnh kho\u1ea3ng 25% t\u1ed5ng l\u01b0\u1ee3ng CO2 th\u1ea3i ra m\u00f4i tr\u01b0\u1eddng t\u1eeb ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi. Gi\u1edbi khoa h\u1ecdc \u01b0\u1edbc t\u00ednh con s\u1ed1 n\u00e0y trong n\u0103m 2016 c\u00f3 th\u1ec3 l\u00ean t\u1edbi 36,4 Gigaton (Gt) CO2<\/sub>, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 9,8 Gt than \u0111\u00e1 (carbon).<\/p>\n

\u00d4ng Riebesell cho bi\u1ebft kh\u1ed1i l\u01b0\u1ee3ng carbon n\u00e0y \u0111\u1ee7 \u0111\u1ec3 che ph\u1ee7 kho\u1ea3ng c\u00e1ch t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 48 l\u1ea7n chu vi Tr\u00e1i \u0111\u1ea5t hay 4,9 l\u1ea7n kho\u1ea3ng c\u00e1ch t\u1eeb Tr\u00e1i \u0111\u1ea5t l\u00ean M\u1eb7t tr\u0103ng. K\u00e9o theo \u0111\u00f3, n\u1ed3ng \u0111\u1ed9 pH trung b\u00ecnh \u0111o \u0111\u01b0\u1ee3c tr\u00ean b\u1ec1 m\u1eb7t \u0111\u1ea1i d\u01b0\u01a1ng t\u00ednh t\u1eeb n\u0103m 1850 \u0111\u00e3 gi\u1ea3m t\u1eeb 8,2 xu\u1ed1ng 8,1. M\u1ee9c gi\u1ea3m 0,1 n\u00e0y t\u01b0\u01a1ng \u0111\u01b0\u01a1ng n\u1ed3ng \u0111\u1ed9 ax\u00edt t\u0103ng 30%, l\u00e0 m\u1ee9c t\u0103ng ch\u01b0a t\u1eebng c\u00f3 ti\u1ec1n l\u1ec7 trong l\u1ecbch s\u1eed Tr\u00e1i \u0111\u1ea5t.<\/p>\n

Nghi\u00ean c\u1ee9u k\u1ebft lu\u1eadn m\u1ee9c \u0111\u1ed9 \u0111e d\u1ecda t\u1eeb ax\u00edt \u0111\u1ea1i d\u01b0\u01a1ng hi\u1ec7n v\u1eabn ch\u01b0a th\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u1ea7y \u0111\u1ee7 v\u00e0 khuy\u1ebfn c\u00e1o c\u00e1c ch\u00ednh ph\u1ee7 v\u00e0 gi\u1edbi ho\u1ea1ch \u0111\u1ecbnh n\u00ean s\u1edbm c\u00f3 h\u00e0nh \u0111\u1ed9ng \u0111\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c hi\u1ec3m h\u1ecda ti\u1ec1m tang \u0111\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng v\u00e0 nh\u00e2n lo\u1ea1i. t\u0103ng t\u01b0\u01a1ng t\u00e1c gi\u1eefa doanh nghi\u1ec7p, ch\u00ednh tr\u1ecb v\u00e0 x\u00e3 h\u1ed9i \u0111\u1ec3 x\u00e2y d\u1ef1ng l\u1ed1i s\u1ed1ng v\u00e0 n\u1ec1n kinh t\u1ebf b\u1ec1n v\u1eefng; \u0111\u1ea9y m\u1ea1nh vi\u1ec7c gi\u1ea3m s\u1eed d\u1ee5ng nhi\u00ean li\u1ec7u h\u00f3a th\u1ea1ch.<\/p>\n

BIOACID l\u00e0 d\u1ef1 \u00e1n nghi\u00ean c\u1ee9u su\u1ed1t 8 n\u0103m (2009-2017) do Ch\u00ednh ph\u1ee7 \u0110\u1ee9c t\u00e0i tr\u1ee3 v\u00e0 do Trung t\u00e2m Nghi\u00ean c\u1ee9u \u0110\u1ea1i d\u01b0\u01a1ng GEOMAR Helmholtz \u0111i\u1ec1u ph\u1ed1i nh\u1eb1m \u0111\u00e1nh gi\u00e1 \u0111\u00fang m\u1ee9c h\u01a1n v\u1ec1 c\u00e1c t\u00e1c \u0111\u1ed9ng c\u1ee7a ax\u00edt h\u00f3a \u0111\u1ea1i d\u01b0\u01a1ng. H\u01a1n 250 chuy\u00ean gia \u0111\u1ebfn t\u1eeb 20 vi\u1ec7n nghi\u00ean c\u1ee9u c\u1ee7a \u0110\u1ee9c \u0111\u00e3 \u0111\u00e1nh gi\u00e1 t\u00e1c \u0111\u1ed9ng c\u1ee7a ax\u00edt h\u00f3a \u0111\u1ea1i d\u01b0\u01a1ng \u0111\u1ed1i v\u1edbi sinh v\u1eadt bi\u1ec3n, nh\u1eefng t\u00e1c \u0111\u1ed9ng t\u1edbi chu\u1ed7i th\u1ef1c ph\u1ea9m, c\u0169ng nh\u01b0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ed1i v\u1edbi c\u00e1c n\u1ec1n kinh t\u1ebf v\u00e0 x\u00e3 h\u1ed9i. C\u00e1c nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh trong ph\u00f2ng th\u00ed nghi\u1ec7m c\u0169ng nh\u01b0 tr\u00ean th\u1ef1c \u0111\u1ecba t\u1ea1i c\u00e1c v\u00f9ng Bi\u1ec3n B\u1eafc, Bi\u1ec3n Baltic, B\u1eafc C\u1ef1c v\u00e0 Papua New Guinea.<\/p>\n

(B\u00e1o Tin t\u1ee9c)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c \u0111\u1ea1i d\u01b0\u01a1ng tr\u00ean Tr\u00e1i \u0111\u1ea5t \u0111ang ax\u00edt h\u00f3a v\u1edbi t\u1ed1c \u0111\u1ed9 ch\u01b0a t\u1eebng c\u00f3 trong l\u1ecbch s\u1eed v\u00e0 s\u1ebd \u0111e d\u1ecda t\u1edbi \u0111\u1eddi s\u1ed1ng c\u1ee7a to\u00e0n b\u1ed9 sinh v\u1eadt bi\u1ec3n tr\u00ean th\u1ebf gi\u1edbi n\u1ebfu con ng\u01b0\u1eddi kh\u00f4ng s\u1edbm c\u00f3 h\u00e0nh \u0111\u1ed9ng. \u0110\u00e2y l\u00e0 k\u1ebft lu\u1eadn c\u1ee7a nghi\u00ean c\u1ee9u m\u1edbi c\u1ee7a \u0110\u1ee9c mang t\u00ean “BIOACID […]<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-7840","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7840","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=7840"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7840\/revisions"}],"predecessor-version":[{"id":7841,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7840\/revisions\/7841"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=7840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=7840"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=7840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}