{"id":16436,"date":"2024-06-25T12:41:41","date_gmt":"2024-06-25T12:41:41","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=16436"},"modified":"2024-06-25T12:41:41","modified_gmt":"2024-06-25T12:41:41","slug":"discovery-of-a-new-deep-sea-shark-species","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/marine-biology\/discovery-of-a-new-deep-sea-shark-species\/","title":{"rendered":"Kh\u00e1m ph\u00e1 v\u1ec1 lo\u00e0i c\u00e1 m\u1eadp s\u00e1u mang \u0110\u1ea1i T\u00e2y D\u01b0\u01a1ng: H\u00e9 l\u1ed9 nh\u1eefng b\u00ed \u1ea9n c\u1ee7a \u0111\u1ea1i d\u01b0\u01a1ng s\u00e2u th\u1eb3m"},"content":{"rendered":"

Kh\u00e1m ph\u00e1 lo\u00e0i c\u00e1 m\u1eadp n\u01b0\u1edbc s\u00e2u m\u1edbi<\/h2>\n\n

H\u00e9 l\u1ed9 nh\u1eefng b\u00ed \u1ea9n c\u1ee7a \u0111\u1ea1i d\u01b0\u01a1ng<\/h2>\n\n

C\u00e1 m\u1eadp s\u00e1u mang, c\u01b0 d\u00e2n b\u00ed \u1ea9n c\u1ee7a \u0111\u1ea1i d\u01b0\u01a1ng s\u00e2u th\u1eb3m, t\u1eeb l\u00e2u \u0111\u00e3 l\u00e0m say \u0111\u1eafm c\u00e1c nh\u00e0 khoa h\u1ecdc. G\u1ea7n \u0111\u00e2y, m\u1ed9t nghi\u00ean c\u1ee9u \u0111\u1ed9t ph\u00e1 \u0111\u00e3 l\u00e0m s\u00e1ng t\u1ecf l\u1ecbch s\u1eed ti\u1ebfn h\u00f3a c\u1ee7a ch\u00fang, x\u00e1c nh\u1eadn s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a m\u1ed9t lo\u00e0i m\u1edbi: c\u00e1 m\u1eadp s\u00e1u mang \u0110\u1ea1i T\u00e2y D\u01b0\u01a1ng (Hexanchus vitulus).<\/p>\n\n

B\u1eb1ng ch\u1ee9ng di truy\u1ec1n h\u00e9 l\u1ed9 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 lo\u00e0i<\/h2>\n\n

S\u1eed d\u1ee5ng ph\u00e2n t\u00edch DNA ty th\u1ec3, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 ph\u00e1t hi\u1ec7n ra nh\u1eefng kh\u00e1c bi\u1ec7t di truy\u1ec1n \u0111\u00e1ng k\u1ec3 gi\u1eefa c\u00e1 m\u1eadp s\u00e1u mang \u0110\u1ea1i T\u00e2y D\u01b0\u01a1ng v\u00e0 c\u00e1c lo\u00e0i t\u01b0\u01a1ng t\u1ef1 \u1edf \u1ea4n \u0110\u1ed9 D\u01b0\u01a1ng v\u00e0 Th\u00e1i B\u00ecnh D\u01b0\u01a1ng. Nh\u1eefng kh\u00e1c bi\u1ec7t n\u00e0y r\u1ea5t r\u00f5 r\u1ec7t \u0111\u1ebfn m\u1ee9c ch\u00fang b\u1ea3o \u0111\u1ea3m vi\u1ec7c ph\u00e2n lo\u1ea1i c\u00e1 m\u1eadp s\u00e1u mang \u0110\u1ea1i T\u00e2y D\u01b0\u01a1ng th\u00e0nh m\u1ed9t lo\u00e0i ri\u00eang bi\u1ec7t.<\/p>\n\n

H\u00e0nh tr\u00ecnh ti\u1ebfn h\u00f3a xuy\u00ean th\u1eddi gian<\/h2>\n\n

Kh\u00e1m ph\u00e1 v\u1ec1 Hexanchus vitulus l\u00e0m n\u1ed5i b\u1eadt h\u00e0nh tr\u00ecnh ti\u1ebfn h\u00f3a \u0111\u00e1ng ch\u00fa \u00fd c\u1ee7a c\u00e1 m\u1eadp s\u00e1u mang. Nh\u1eefng k\u1ebb s\u0103n m\u1ed3i c\u1ed5 \u0111\u1ea1i n\u00e0y \u0111\u00e3 lang thang kh\u1eafp c\u00e1c \u0111\u1ea1i d\u01b0\u01a1ng trong h\u01a1n 250 tri\u1ec7u n\u0103m, th\u00edch nghi v\u1edbi \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t c\u1ee7a m\u00f4i tr\u01b0\u1eddng s\u1ed1ng \u1edf bi\u1ec3n s\u00e2u. R\u0103ng d\u01b0\u1edbi gi\u1ed1ng nh\u01b0 l\u01b0\u1ee1i c\u01b0a v\u00e0 s\u1ed1 mang \u0111\u1ed9c \u0111\u00e1o c\u1ee7a ch\u00fang l\u00e0 minh ch\u1ee9ng cho l\u1ecbch s\u1eed ti\u1ebfn h\u00f3a l\u00e2u d\u00e0i c\u1ee7a ch\u00fang.<\/p>\n\n

C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ph\u00e2n bi\u1ec7t v\u00e0 s\u1edf th\u00edch v\u1ec1 m\u00f4i tr\u01b0\u1eddng s\u1ed1ng<\/h2>\n\n

C\u00e1 m\u1eadp s\u00e1u mang \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng b\u1edfi k\u00edch th\u01b0\u1edbc l\u1edbn, \u0111\u1ea1t chi\u1ec1u d\u00e0i t\u1edbi 18 feet. Ch\u00fang s\u1edf h\u1eefu m\u00f5m t\u00f9 v\u00e0 nh\u1eefng chi\u1ebfc r\u0103ng c\u01b0a \u0111\u1eb7c bi\u1ec7t, m\u00e0 ch\u00fang s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e9 con m\u1ed3i. Nh\u1eefng con c\u00e1 m\u1eadp n\u00e0y sinh s\u1ed1ng \u1edf v\u00f9ng bi\u1ec3n nhi\u1ec7t \u0111\u1edbi v\u00e0 \u00f4n \u0111\u1edbi tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi, \u1edf \u0111\u1ed9 s\u00e2u t\u1eeb 2.000 \u0111\u1ebfn 10.000 feet.<\/p>\n\n

H\u00e9 l\u1ed9 th\u1ebf gi\u1edbi \u1ea9n gi\u1ea5u c\u1ee7a c\u00e1c sinh v\u1eadt bi\u1ec3n s\u00e2u<\/h2>\n\n

Nghi\u00ean c\u1ee9u v\u1ec1 c\u00e1 m\u1eadp s\u00e1u mang cung c\u1ea5p m\u1ed9t c\u00e1i nh\u00ecn tho\u00e1ng qua v\u1ec1 th\u1ebf gi\u1edbi \u1ea9n gi\u1ea5u c\u1ee7a c\u00e1c sinh v\u1eadt bi\u1ec3n s\u00e2u. Nh\u1eefng lo\u00e0i \u0111\u1ed9ng v\u1eadt kh\u00f3 n\u1eafm b\u1eaft n\u00e0y ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng th\u00e1ch th\u1ee9c \u0111\u1ed9c \u0111\u00e1o trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t c\u1ee7a ch\u00fang, bao g\u1ed3m \u00e1p su\u1ea5t cao, m\u1ee9c oxy th\u1ea5p v\u00e0 ngu\u1ed3n th\u1ee9c \u0103n h\u1ea1n ch\u1ebf. B\u1eb1ng c\u00e1ch hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ef1 \u0111a d\u1ea1ng di truy\u1ec1n v\u00e0 s\u1edf th\u00edch v\u1ec1 m\u00f4i tr\u01b0\u1eddng s\u1ed1ng c\u1ee7a ch\u00fang, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 t\u1ed1t h\u01a1n nh\u1eefng lo\u00e0i b\u00ed \u1ea9n n\u00e0y.<\/p>\n\n

M\u1ed1i quan ng\u1ea1i v\u1ec1 b\u1ea3o t\u1ed3n v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a \u0111\u00e1nh b\u1eaft c\u00e1<\/h2>\n\n

Vi\u1ec7c x\u00e1c \u0111\u1ecbnh \u0111\u00fang lo\u00e0i c\u00e1 m\u1eadp s\u00e1u mang r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00f4ng t\u00e1c b\u1ea3o t\u1ed3n c\u1ee7a ch\u00fang. Trong qu\u00e1 kh\u1ee9, nh\u1eefng con c\u00e1 m\u1eadp n\u00e0y \u00edt ti\u1ebfp x\u00fac v\u1edbi con ng\u01b0\u1eddi, nh\u01b0ng khi c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1nh b\u1eaft th\u01b0\u01a1ng m\u1ea1i ti\u1ebfn s\u00e2u h\u01a1n v\u00e0o \u0111\u1ea1i d\u01b0\u01a1ng, c\u00e1c cu\u1ed9c ch\u1ea1m tr\u00e1n \u0111ang tr\u1edf n\u00ean th\u01b0\u1eddng xuy\u00ean h\u01a1n. \u0110\u00e1nh b\u1eaft qu\u00e1 m\u1ee9c g\u00e2y ra m\u1ed1i \u0111e d\u1ecda \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i v\u1edbi qu\u1ea7n th\u1ec3 c\u00e1 m\u1eadp s\u00e1u mang, v\u00ec ch\u00fang c\u00f3 t\u1ed1c \u0111\u1ed9 sinh tr\u01b0\u1edfng ch\u1eadm v\u00e0 kh\u1ea3 n\u0103ng sinh s\u1ea3n th\u1ea5p.<\/p>\n\n

B\u1ea3o t\u1ed3n \u0111a d\u1ea1ng sinh h\u1ecdc bi\u1ec3n<\/h2>\n\n

Kh\u00e1m ph\u00e1 v\u1ec1 Hexanchus vitulus nh\u1ea5n m\u1ea1nh t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c b\u1ea3o t\u1ed3n \u0111a d\u1ea1ng sinh h\u1ecdc bi\u1ec3n. B\u1eb1ng c\u00e1ch hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ef1 \u0111a d\u1ea1ng di truy\u1ec1n trong qu\u1ea7n th\u1ec3 c\u00e1 m\u1eadp s\u00e1u mang, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c b\u1ea3o t\u1ed3n c\u00f3 m\u1ee5c ti\u00eau \u0111\u1ec3 b\u1ea3o v\u1ec7 nh\u1eefng sinh v\u1eadt \u0111\u1ed9c \u0111\u00e1o n\u00e0y v\u00e0 \u0111\u1ea3m b\u1ea3o s\u1ee9c kh\u1ecfe c\u1ee7a c\u00e1c h\u1ec7 sinh th\u00e1i \u0111\u1ea1i d\u01b0\u01a1ng.<\/p>\n\n

Ti\u1ebfp t\u1ee5c kh\u00e1m ph\u00e1 v\u00e0 nh\u1eefng kh\u00e1m ph\u00e1 trong t\u01b0\u01a1ng lai<\/h2>\n\n

Kh\u00e1m ph\u00e1 v\u1ec1 c\u00e1 m\u1eadp s\u00e1u mang \u0110\u1ea1i T\u00e2y D\u01b0\u01a1ng l\u00e0 minh ch\u1ee9ng cho vi\u1ec7c ti\u1ebfp t\u1ee5c kh\u00e1m ph\u00e1 \u0111\u1ea1i d\u01b0\u01a1ng s\u00e2u th\u1eb3m. Khi c\u00e1c nh\u00e0 khoa h\u1ecdc ti\u1ebfp t\u1ee5c th\u0103m d\u00f2 nh\u1eefng b\u00ed \u1ea9n c\u1ee7a nh\u1eefng m\u00f4i tr\u01b0\u1eddng h\u1ebbo l\u00e1nh n\u00e0y, c\u00e1c lo\u00e0i m\u1edbi v\u00e0 nh\u1eefng hi\u1ec3u bi\u1ebft m\u1edbi \u0111ang ch\u1edd \u0111\u01b0\u1ee3c kh\u00e1m ph\u00e1, l\u00e0m phong ph\u00fa th\u00eam s\u1ef1 hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 s\u1ef1 \u0111a d\u1ea1ng sinh h\u1ecdc \u0111\u00e1ng kinh ng\u1ea1c c\u1ee7a h\u00e0nh tinh.<\/p>","protected":false},"excerpt":{"rendered":"

Kh\u00e1m ph\u00e1 lo\u00e0i c\u00e1 m\u1eadp n\u01b0\u1edbc s\u00e2u m\u1edbi H\u00e9 l\u1ed9 nh\u1eefng b\u00ed \u1ea9n c\u1ee7a \u0111\u1ea1i d\u01b0\u01a1ng C\u00e1 m\u1eadp s\u00e1u mang, c\u01b0 d\u00e2n b\u00ed \u1ea9n c\u1ee7a \u0111\u1ea1i d\u01b0\u01a1ng s\u00e2u th\u1eb3m, t\u1eeb…<\/p>\n","protected":false},"author":6,"featured_media":23713,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[401,21770,21771,21772,188,21773,1302],"class_list":["post-16436","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-marine-biology","tag-conservation","tag-deep-sea-shark","tag-sixgill-shark","tag-marine-biodiversity","tag-genetics","tag-species-discovery","tag-oceanography"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/16436","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=16436"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/16436\/revisions"}],"predecessor-version":[{"id":16437,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/16436\/revisions\/16437"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media\/23713"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=16436"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=16436"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=16436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}