{"id":15759,"date":"2021-09-13T14:47:00","date_gmt":"2021-09-13T14:47:00","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=15759"},"modified":"2021-09-13T14:47:00","modified_gmt":"2021-09-13T14:47:00","slug":"shark-teeth-reveal-secrets-brazils-changing-ocean-ecosystem","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/marine-biology\/shark-teeth-reveal-secrets-brazils-changing-ocean-ecosystem\/","title":{"rendered":"R\u0103ng c\u00e1 m\u1eadp h\u00e9 l\u1ed9 b\u00ed \u1ea9n c\u1ee7a \u0111\u1ea1i d\u01b0\u01a1ng Brazil"},"content":{"rendered":"

R\u0103ng c\u00e1 m\u1eadp h\u00e9 l\u1ed9 b\u00ed m\u1eadt v\u1ec1 h\u1ec7 sinh th\u00e1i \u0111\u1ea1i d\u01b0\u01a1ng bi\u1ebfn \u0111\u1ed5i c\u1ee7a Brazil<\/h2>\n\n

Th\u1ef1c h\u00e0nh \u0111\u00e1nh b\u1eaft l\u1ecbch s\u1eed cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft<\/h2>\n\n

V\u00e0o th\u1ebf k\u1ef7 13, ng\u01b0\u1eddi d\u00e2n b\u1ea3n \u0111\u1ecba tr\u00ean \u0111\u1ea3o Santa Catarina \u1edf Brazil ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o ngh\u1ec1 c\u00e1 \u0111\u1ec3 ki\u1ebfm s\u1ed1ng. C\u00e1c cu\u1ed9c khai qu\u1eadt kh\u1ea3o c\u1ed5 t\u1ea1i \u0111\u1ecba \u0111i\u1ec3m Rio do Meio, m\u1ed9t b\u00e3i \u0111\u00e1nh b\u1eaft ven bi\u1ec3n tr\u01b0\u1edbc \u0111\u00e2y, \u0111\u00e3 ph\u00e1t hi\u1ec7n ra t\u00e0n t\u00edch c\u1ee7a c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ecd, bao g\u1ed3m c\u1ea3 r\u0103ng c\u00e1 m\u1eadp.<\/p>\n\n

R\u0103ng c\u00e1 m\u1eadp nh\u01b0 nh\u1eefng vi\u00ean nang th\u1eddi gian<\/h2>\n\n

R\u0103ng c\u00e1 m\u1eadp l\u00e0 ngu\u1ed3n th\u00f4ng tin c\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 h\u1ec7 sinh th\u00e1i bi\u1ec3n v\u00ec ch\u00fang ch\u1ee9a collagen, m\u1ed9t lo\u1ea1i protein k\u1ebft h\u1ee3p c\u00e1c nguy\u00ean t\u1ed1 t\u1eeb ch\u1ebf \u0111\u1ed9 \u0103n c\u1ee7a c\u00e1 m\u1eadp. B\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch c\u00e1c \u0111\u1ed3ng v\u1ecb nit\u01a1 trong r\u0103ng c\u00e1 m\u1eadp, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u00f3 th\u1ec3 t\u00e1i t\u1ea1o l\u1ea1i chu\u1ed7i th\u1ee9c \u0103n trong qu\u00e1 kh\u1ee9 v\u00e0 x\u00e1c \u0111\u1ecbnh nh\u1eefng thay \u0111\u1ed5i theo th\u1eddi gian.<\/p>\n\n

Ph\u00e2n t\u00edch \u0111\u1ed3ng v\u1ecb \u1ed5n \u0111\u1ecbnh kh\u00e1m ph\u00e1 ra s\u1ef1 thay \u0111\u1ed5i<\/h2>\n\n

M\u1ed9t nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y \u0111\u00e3 so s\u00e1nh r\u0103ng c\u00e1 m\u1eadp khai qu\u1eadt \u0111\u01b0\u1ee3c t\u1eeb Rio do Meio v\u1edbi r\u0103ng hi\u1ec7n \u0111\u1ea1i \u0111\u01b0\u1ee3c thu th\u1eadp \u1edf c\u00f9ng khu v\u1ef1c. K\u1ebft qu\u1ea3 cho th\u1ea5y s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 v\u1ec1 gi\u00e1 tr\u1ecb \u0111\u1ed3ng v\u1ecb nit\u01a1, ch\u1ec9 ra s\u1ef1 thay \u0111\u1ed5i trong ch\u1ebf \u0111\u1ed9 \u0103n c\u1ee7a c\u00e1 m\u1eadp v\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa k\u1ebb s\u0103n m\u1ed3i v\u00e0 con m\u1ed3i.<\/p>\n\n

Qu\u00e1 kh\u1ee9: Ch\u1ebf \u0111\u1ed9 \u0103n \u0111a d\u1ea1ng v\u00e0 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i<\/h2>\n\n

Nhi\u1ec1u th\u1ebf k\u1ef7 tr\u01b0\u1edbc, c\u00e1c lo\u00e0i c\u00e1 m\u1eadp kh\u00e1c nhau \u0103n nh\u1eefng con m\u1ed3i t\u1eeb c\u00e1c t\u1ea7ng t\u01b0\u01a1ng t\u1ef1 c\u1ee7a l\u01b0\u1edbi th\u1ee9c \u0103n. S\u1ef1 ch\u1ed3ng ch\u00e9o v\u1ec1 ch\u1ebf \u0111\u1ed9 \u0103n n\u00e0y cho th\u1ea5y m\u1ed9t h\u1ec7 sinh th\u00e1i ph\u1ee5c h\u1ed3i v\u1edbi nhi\u1ec1u l\u1ef1a ch\u1ecdn v\u1ec1 con m\u1ed3i.<\/p>\n\n

Hi\u1ec7n t\u1ea1i: Chuy\u00ean m\u00f4n h\u00f3a v\u00e0 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i gi\u1ea3m<\/h2>\n\n

Ng\u01b0\u1ee3c l\u1ea1i, ch\u1ebf \u0111\u1ed9 \u0103n c\u1ee7a c\u00e1 m\u1eadp hi\u1ec7n \u0111\u1ea1i \u00edt ch\u1ed3ng ch\u00e9o h\u01a1n, v\u1edbi m\u1ed9t s\u1ed1 lo\u00e0i chuy\u00ean v\u1ec1 nh\u1eefng con m\u1ed3i \u00edt b\u1ecb c\u00e1c lo\u00e0i c\u00e1 m\u1eadp kh\u00e1c nh\u1eafm \u0111\u1ebfn. S\u1ef1 thay \u0111\u1ed5i n\u00e0y c\u00f3 th\u1ec3 ch\u1ec9 ra m\u1ed9t h\u1ec7 sinh th\u00e1i \u00edt ph\u1ee5c h\u1ed3i h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi c\u00e1c lo\u00e0i c\u00e1 \u0111\u00e3 suy gi\u1ea3m do t\u00ecnh tr\u1ea1ng \u0111\u00e1nh b\u1eaft qu\u00e1 m\u1ee9c.<\/p>\n\n

S\u1ef1 th\u00edch nghi c\u1ee7a c\u00e1 m\u1eadp h\u1ed5 c\u00e1t<\/h2>\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1eadp trung v\u00e0o c\u00e1 m\u1eadp h\u1ed5 c\u00e1t, lo\u00e0i \u0111\u00e3 di chuy\u1ec3n l\u00ean tr\u00ean chu\u1ed7i th\u1ee9c \u0103n theo th\u1eddi gian. S\u1ef1 th\u00edch nghi n\u00e0y c\u00f3 th\u1ec3 l\u00e0 ph\u1ea3n \u1ee9ng tr\u01b0\u1edbc s\u1ef1 c\u1ea1nh tranh gi\u1ea3m d\u1ea7n v\u1ec1 th\u1ee9c \u0103n do t\u00ecnh tr\u1ea1ng \u0111\u00e1nh b\u1eaft qu\u00e1 m\u1ee9c, \u0111i\u1ec1u n\u00e0y \u0111\u00e3 khi\u1ebfn lo\u00e0i n\u00e0y \u0111\u1ee9ng tr\u01b0\u1edbc nguy c\u01a1 tuy\u1ec7t ch\u1ee7ng nghi\u00eam tr\u1ecdng.<\/p>\n\n

T\u00e1c \u0111\u1ed9ng ti\u1ec1m t\u00e0ng c\u1ee7a t\u00ecnh tr\u1ea1ng \u0111\u00e1nh b\u1eaft qu\u00e1 m\u1ee9c<\/h2>\n\n

M\u1eb7c d\u00f9 nghi\u00ean c\u1ee9u kh\u00f4ng th\u1ec3 kh\u1eb3ng \u0111\u1ecbnh ch\u1eafc ch\u1eafn r\u1eb1ng s\u1ef1 thay \u0111\u1ed5i v\u1ec1 ch\u1ebf \u0111\u1ed9 \u0103n l\u00e0 do t\u00ecnh tr\u1ea1ng \u0111\u00e1nh b\u1eaft qu\u00e1 m\u1ee9c, nh\u01b0ng nghi\u00ean c\u1ee9u n\u00e0y \u0111\u00e3 l\u00e0m d\u1ea5y l\u00ean m\u1ed1i lo ng\u1ea1i v\u1ec1 nh\u1eefng h\u1eadu qu\u1ea3 ti\u1ec1m \u1ea9n c\u1ee7a c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1nh b\u1eaft kh\u00f4ng b\u1ec1n v\u1eefng \u0111\u1ed1i v\u1edbi h\u1ec7 sinh th\u00e1i bi\u1ec3n.<\/p>\n\n

Kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i tr\u01b0\u1edbc nh\u1eefng th\u00e1ch th\u1ee9c<\/h2>\n\n

B\u1ea5t ch\u1ea5p nh\u1eefng th\u00e1ch th\u1ee9c m\u00e0 c\u00e1 m\u1eadp h\u1ed5 c\u00e1t ph\u1ea3i \u0111\u1ed1i m\u1eb7t, nghi\u00ean c\u1ee9u \u0111\u00e3 nh\u1ea5n m\u1ea1nh kh\u1ea3 n\u0103ng th\u00edch nghi \u0111\u00e1ng kinh ng\u1ea1c c\u1ee7a ch\u00fang. Ngay c\u1ea3 d\u01b0\u1edbi \u00e1p l\u1ef1c, ch\u00fang v\u1eabn c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh th\u00f3i quen ki\u1ebfm \u0103n \u0111\u1ec3 t\u1ed3n t\u1ea1i.<\/p>\n\n

C\u1ea7n nghi\u00ean c\u1ee9u th\u00eam<\/h2>\n\n

C\u1ea7n c\u00f3 th\u00eam nghi\u00ean c\u1ee9u \u0111\u1ec3 hi\u1ec3u \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 l\u00fd do \u0111\u1eb1ng sau s\u1ef1 thay \u0111\u1ed5i ch\u1ebf \u0111\u1ed9 \u0103n c\u1ee7a c\u00e1 m\u1eadp. Tuy nhi\u00ean, nh\u1eefng ph\u00e1t hi\u1ec7n n\u00e0y nh\u1ea5n m\u1ea1nh t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c b\u1ea3o v\u1ec7 h\u1ec7 sinh th\u00e1i bi\u1ec3n v\u00e0 qu\u1ea3n l\u00fd ng\u00e0nh th\u1ee7y s\u1ea3n m\u1ed9t c\u00e1ch b\u1ec1n v\u1eefng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ee9c kh\u1ecfe l\u00e2u d\u00e0i c\u1ee7a ch\u00fang.<\/p>","protected":false},"excerpt":{"rendered":"

R\u0103ng c\u00e1 m\u1eadp h\u00e9 l\u1ed9 b\u00ed m\u1eadt v\u1ec1 h\u1ec7 sinh th\u00e1i \u0111\u1ea1i d\u01b0\u01a1ng bi\u1ebfn \u0111\u1ed5i c\u1ee7a Brazil Th\u1ef1c h\u00e0nh \u0111\u00e1nh b\u1eaft l\u1ecbch s\u1eed cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft V\u00e0o…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[20947,642,20946,20944,243,20943,20945,1647],"class_list":["post-15759","post","type-post","status-publish","format-standard","hentry","category-marine-biology","tag-sand-tiger-shark","tag-overfishing","tag-food-chain","tag-marine-ecosystem","tag-resilience","tag-shark-teeth","tag-stable-isotope-analysis","tag-adaptation"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15759","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=15759"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15759\/revisions"}],"predecessor-version":[{"id":15760,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15759\/revisions\/15760"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=15759"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=15759"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=15759"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}