{"id":28680,"date":"2019-02-13T20:32:00","date_gmt":"2019-02-13T13:32:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28680"},"modified":"2021-10-03T20:33:07","modified_gmt":"2021-10-03T13:33:07","slug":"bot-bien-pha-hoai-cac-ran-san-ho-tu-ben-trong","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/bot-bien-pha-hoai-cac-ran-san-ho-tu-ben-trong\/","title":{"rendered":"B\u1ecdt bi\u1ec3n ph\u00e1 ho\u1ea1i c\u00e1c r\u1ea1n san h\u00f4 t\u1eeb b\u00ean trong"},"content":{"rendered":"\n<p>San h\u00f4 \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nhi\u1ec1u m\u1ed1i \u0111e d\u1ecda v\u00e0 m\u1ed9t trong s\u1ed1 \u0111\u00f3 l\u00e0 t\u00ecnh tr\u1ea1ng t\u1ea5n c\u00f4ng t\u1eeb b\u00ean trong.Trong m\u1ed9t nghi\u00ean c\u1ee9u m\u1edbi \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed&nbsp;<em>Scientific Reports<\/em>, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 tr\u00ecnh b\u00e0y chi ti\u1ebft c\u00e1c chi\u1ebfn l\u01b0\u1ee3c t\u00e0n ph\u00e1 san h\u00f4 c\u1ee7a b\u1ecdt bi\u1ec3n. Theo ph\u00e2n t\u00edch, b\u1ecdt bi\u1ec3n x\u00e2m l\u1ea5n c\u00f3 th\u1ec3 \u0103n m\u00f2n c\u00e1c r\u1ea1n san h\u00f4 nhanh h\u01a1n s\u1ef1 gia t\u0103ng n\u1ed3ng \u0111\u1ed9 CO<sub>2<\/sub>.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.vista.gov.vn\/vn-uploads\/news\/2019_2\/8.jpg\" alt=\"https:\/\/cdnph.upi.com\/svc\/sv\/i\/1101548689795\/2019\/1\/15486918726536\/Sponges-sabotage-coral-reefs-from-the-inside.jpg\"\/><\/figure>\n\n\n\n<p>Theo nhi\u1ec1u nghi\u00ean c\u1ee9u chi ti\u1ebft, c\u00e1c r\u1ea1n san h\u00f4 r\u1ea5t c\u1ea7n cho m\u1ed9t s\u1ed1 h\u1ec7 sinh th\u00e1i bi\u1ec3n \u0111a d\u1ea1ng sinh h\u1ecdc nh\u1ea5t h\u00e0nh tinh, ch\u1ee9a \u0111\u1ef1ng c\u00e1c chu\u1ed7i th\u1ee9c \u0103n ph\u1ee9c t\u1ea1p c\u1ee7a \u0111\u1ea1i d\u01b0\u01a1ng. San h\u00f4 c\u0169ng&nbsp; cung c\u1ea5p r\u1ea5t nhi\u1ec1u d\u1ecbch v\u1ee5 m\u00f4i tr\u01b0\u1eddng, b\u1ea3o v\u1ec7 b\u1edd bi\u1ec3n kh\u1ecfi t\u00e1c \u0111\u1ed9ng x\u00f3i m\u00f2n c\u1ee7a s\u00f3ng. R\u1ea1n san h\u00f4 \u0111\u00e3 b\u1ecb \u0111e d\u1ecda b\u1edfi s\u1ef1 gia t\u0103ng nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc bi\u1ec3n v\u00e0 axit h\u00f3a \u0111\u1ea1i d\u01b0\u01a1ng, th\u00ec gi\u1edd nhi\u1ec1u r\u1ea1n san h\u00f4 \u0111ang b\u1ecb suy gi\u1ea3m do t\u00e1c \u0111\u1ed9ng c\u1ee7a b\u1ecdt bi\u1ec3n.<\/p>\n\n\n\n<p>Nghi\u00ean c\u1ee9u m\u1edbi n\u00eau r\u00f5 b\u1ecdt bi\u1ec3n s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p c\u00e1c k\u1ef9 thu\u1eadt h\u00f3a h\u1ecdc v\u00e0 c\u01a1 h\u1ecdc \u0111\u1ec3 l\u00e0m r\u1ed7ng v\u00e0 khoan v\u00e0o b\u1ed9 x\u01b0\u01a1ng canxi cacbonat c\u1ee7a san h\u00f4. B\u1ecdt bi\u1ec3n kh\u00f4ng t\u00ecm ki\u1ebfm th\u1ee9c \u0103n, m\u00e0 \u0111ang t\u00ecm s\u1ef1 an to\u00e0n. B\u1eb1ng c\u00e1ch khoan v\u00e0o san h\u00f4, b\u1ecdt bi\u1ec3n c\u00f3 th\u1ec3 tr\u1ed1n nh\u1eefng k\u1ebb s\u0103n m\u1ed3i \u1ea9n n\u1ea5p trong r\u1ea1n san h\u00f4.<\/p>\n\n\n\n<p>Khi b\u1ecdt bi\u1ec3n x\u00e2m l\u1ea5n b\u00e1m v\u00e0o v\u00e0 \u0111\u1ea9y n\u01b0\u1edbc n\u01b0\u1edbc, l\u1ecdc th\u1ee9c \u0103n \u0111\u1ec3 ti\u00eau th\u1ee5, c\u00e1c m\u1ea3nh san h\u00f4 d\u1ea7n d\u1ea7n b\u1ecb s\u1ee9t. C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n ra nh\u1eefng chi\u1ebfn l\u01b0\u1ee3c x\u00e2m l\u01b0\u1ee3c do b\u1ecdt bi\u1ec3n th\u1ef1c hi\u1ec7n, \u0111\u00e3 \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb hi\u1ec7n t\u01b0\u1ee3ng axit h\u00f3a \u0111\u1ea1i d\u01b0\u01a1ng. B\u1ecdt bi\u1ec3n d\u1eabn c\u00e1c proton t\u1eeb n\u01b0\u1edbc bi\u1ec3n v\u00e0o giao di\u1ec7n gi\u1eefa san h\u00f4 v\u00e0 \u0111\u1ea1i d\u01b0\u01a1ng, l\u00e0m t\u0103ng t\u00ednh axit c\u1ee5c b\u1ed9 v\u00e0 khi\u1ebfn n\u00f3 d\u1ec5 h\u00f2a tan b\u1ed9 x\u01b0\u01a1ng carbonate. T\u0103ng t\u00ednh axit c\u1ee7a \u0111\u1ea1i d\u01b0\u01a1ng, k\u1ebft qu\u1ea3 c\u1ee7a n\u00f3ng l\u00ean to\u00e0n c\u1ea7u, l\u00e0m cho qu\u00e1 tr\u00ecnh n\u00e0y di\u1ec5n ra d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n\n\n\n<p>D\u00f9 c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 nghi\u00ean c\u1ee9u t\u01b0\u01a1ng t\u00e1c gi\u1eefa b\u1ecdt bi\u1ec3n v\u00e0 san h\u00f4 trong nhi\u1ec1u th\u1eadp k\u1ef7 qua, nh\u01b0ng ch\u1ec9 g\u1ea7n \u0111\u00e2y nh\u1eefng ti\u1ebfn b\u1ed9 c\u00f4ng ngh\u1ec7 m\u1edbi gi\u00fap xem x\u00e9t nh\u1eefng thay \u0111\u1ed5i nh\u1ecf \u0111\u1ed9 pH, cho th\u1ea5y c\u00e1ch b\u1ecdt bi\u1ec3n \u0111\u1ee5c b\u1ed9 x\u01b0\u01a1ng san h\u00f4.<\/p>\n\n\n\n<p>&#8220;<em>S\u1eed d\u1ee5ng k\u00ednh hi\u1ec3n vi hu\u1ef3nh quang, ch\u00fang t\u00f4i nh\u1eadn th\u1ea5y \u0111\u1ed9 pH n\u1ed9i b\u00e0o t\u1ea1i c\u00e1c v\u1ecb tr\u00ed b\u1ecb \u0111\u1ee5c th\u1ea5p h\u01a1n so v\u1edbi n\u01b0\u1edbc bi\u1ec3n xung quanh v\u00e0 m\u00f4 x\u1ed1p<\/em>&#8220;, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u vi\u1ebft trong nghi\u00ean c\u1ee9u c\u1ee7a h\u1ecd.<\/p>\n\n\n\n<p>Khi n\u1ed3ng \u0111\u1ed9 pH trong \u0111\u1ea1i d\u01b0\u01a1ng ti\u1ebfp t\u1ee5c gi\u1ea3m, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u d\u1ef1 \u0111o\u00e1n vi\u1ec7c h\u00f2a tan s\u1ebd tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n \u0111\u1ed1i v\u1edbi b\u1ecdt bi\u1ec3n \u0111\u1ee5c san h\u00f4. Nh\u01b0ng kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c r\u1ea1n san h\u00f4 s\u1ebd b\u1ecb \u1ea3nh h\u01b0\u1edfng nh\u01b0 nhau. Nghi\u00ean c\u1ee9u m\u1edbi gi\u00fap d\u1ec5 d\u00e0ng x\u00e1c \u0111\u1ecbnh c\u00e1c r\u1ea1n san h\u00f4 \u0111\u1eb7c bi\u1ec7t d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng.<\/p>\n\n\n\n<p><em>N.P.D (NASATI)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>San h\u00f4 \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nhi\u1ec1u m\u1ed1i \u0111e d\u1ecda v\u00e0 m\u1ed9t trong s\u1ed1 \u0111\u00f3 l\u00e0 t\u00ecnh tr\u1ea1ng t\u1ea5n c\u00f4ng t\u1eeb b\u00ean trong.Trong m\u1ed9t nghi\u00ean c\u1ee9u m\u1edbi \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed&nbsp;Scientific Reports, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 tr\u00ecnh b\u00e0y chi ti\u1ebft c\u00e1c chi\u1ebfn l\u01b0\u1ee3c t\u00e0n ph\u00e1 san h\u00f4 c\u1ee7a b\u1ecdt bi\u1ec3n. Theo [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28680","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\/28680","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\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=28680"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28680\/revisions"}],"predecessor-version":[{"id":28683,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28680\/revisions\/28683"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28680"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28680"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28680"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}