{"id":11880,"date":"2021-05-31T21:54:14","date_gmt":"2021-05-31T21:54:14","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=11880"},"modified":"2021-05-31T21:54:14","modified_gmt":"2021-05-31T21:54:14","slug":"the-enigmatic-narwhal-a-tale-of-arctic-wonder-and-scientific-discovery","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/zoology\/the-enigmatic-narwhal-a-tale-of-arctic-wonder-and-scientific-discovery\/","title":{"rendered":"K\u1ef3 l\u00e2n bi\u1ec3n: K\u1ef3 quan B\u1eafc C\u1ef1c v\u00e0 h\u00e0nh tr\u00ecnh kh\u00e1m ph\u00e1 khoa h\u1ecdc"},"content":{"rendered":"

K\u1ef3 l\u00e2n bi\u1ec3n huy\u1ec1n b\u00ed: C\u00e2u chuy\u1ec7n v\u1ec1 k\u1ef3 quan B\u1eafc C\u1ef1c v\u00e0 kh\u00e1m ph\u00e1 khoa h\u1ecdc<\/h2>\n\n

K\u1ef3 l\u00e2n c\u1ee7a bi\u1ec3n c\u1ea3<\/h2>\n\n

Trong v\u00f9ng n\u01b0\u1edbc s\u00e2u b\u0103ng gi\u00e1 c\u1ee7a B\u1eafc C\u1ef1c, c\u00f3 m\u1ed9t lo\u00e0i sinh v\u1eadt \u0111\u00e3 thu h\u00fat tr\u00ed t\u01b0\u1edfng t\u01b0\u1ee3ng c\u1ee7a con ng\u01b0\u1eddi trong nhi\u1ec1u th\u1ebf k\u1ef7 – k\u1ef3 l\u00e2n bi\u1ec3n. \u0110\u01b0\u1ee3c g\u1ecdi l\u00e0 “k\u1ef3 l\u00e2n c\u1ee7a bi\u1ec3n c\u1ea3” v\u00ec chi\u1ebfc ng\u00e0 \u0111\u01a1n h\u00ecnh xo\u1eafn \u1ed1c, lo\u00e0i c\u00e1 voi kh\u00f3 n\u1eafm b\u1eaft n\u00e0y \u0111\u01b0\u1ee3c bao ph\u1ee7 trong s\u1ef1 b\u00ed \u1ea9n v\u00e0 k\u1ef3 di\u1ec7u.<\/p>\n\n

Kristin Laidre: V\u0169 c\u00f4ng ba l\u00ea chuy\u1ec3n h\u01b0\u1edbng l\u00e0m nh\u00e0 sinh v\u1eadt h\u1ecdc<\/h2>\n\n

Ch\u00fang ta h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 Kristin Laidre, m\u1ed9t c\u1ef1u v\u0169 c\u00f4ng ba l\u00ea chuy\u1ec3n h\u01b0\u1edbng l\u00e0m nh\u00e0 sinh v\u1eadt h\u1ecdc chuy\u00ean v\u1ec1 B\u1eafc C\u1ef1c, ng\u01b0\u1eddi \u0111\u00e3 d\u00e0nh c\u1ea3 cu\u1ed9c \u0111\u1eddi \u0111\u1ec3 kh\u00e1m ph\u00e1 b\u00ed m\u1eadt c\u1ee7a k\u1ef3 l\u00e2n bi\u1ec3n. V\u1edbi n\u0103ng khi\u1ebfu ngh\u1ec7 thu\u1eadt v\u00e0 s\u1ef1 ki\u00ean nh\u1eabn kh\u00f4ng ng\u1eebng ngh\u1ec9, b\u00e0 \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t chuy\u00ean gia h\u00e0ng \u0111\u1ea7u v\u1ec1 nh\u1eefng sinh v\u1eadt b\u00ed \u1ea9n n\u00e0y.<\/p>\n\n

B\u00ed \u1ea9n v\u1ec1 ng\u00e0 voi<\/h2>\n\n

\u0110\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt nh\u1ea5t c\u1ee7a k\u1ef3 l\u00e2n bi\u1ec3n l\u00e0 ng\u00e0 c\u1ee7a ch\u00fang, c\u00f3 th\u1ec3 d\u00e0i t\u1edbi 3 m\u00e9t. T\u1eebng \u0111\u01b0\u1ee3c cho l\u00e0 s\u1eebng c\u1ee7a m\u1ed9t con k\u1ef3 l\u00e2n trong th\u1ea7n tho\u1ea1i, nh\u01b0ng th\u1ef1c ch\u1ea5t ng\u00e0 c\u1ee7a ch\u00fang l\u1ea1i l\u00e0 m\u1ed9t chi\u1ebfc r\u0103ng \u0111\u00e3 \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i. C\u00e1c nh\u00e0 khoa h\u1ecdc tin r\u1eb1ng n\u00f3 c\u00f3 th\u1ec3 ph\u1ee5c v\u1ee5 nhi\u1ec1u m\u1ee5c \u0111\u00edch kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 thi\u1ebft l\u1eadp s\u1ef1 th\u1ed1ng tr\u1ecb, c\u1ea3m nh\u1eadn nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc v\u00e0 thu h\u00fat b\u1ea1n t\u00ecnh.<\/p>\n\n

M\u00f4i tr\u01b0\u1eddng s\u1ed1ng v\u00e0 kh\u1ea3 n\u0103ng th\u00edch nghi \u1edf B\u1eafc C\u1ef1c<\/h2>\n\n

K\u1ef3 l\u00e2n bi\u1ec3n s\u1ed1ng \u1edf v\u00f9ng n\u01b0\u1edbc b\u0103ng gi\u00e1 c\u1ee7a B\u1eafc B\u0103ng D\u01b0\u01a1ng, n\u01a1i ch\u00fang d\u1ef1a v\u00e0o b\u0103ng bi\u1ec3n \u0111\u1ec3 b\u1ea3o v\u1ec7 v\u00e0 ki\u1ebfm \u0103n. C\u01a1 th\u1ec3 nh\u1ecf g\u1ecdn c\u1ee7a ch\u00fang, ch\u1ee9a t\u1edbi 50% m\u1ee1, gi\u00fap ch\u00fang gi\u1eef nhi\u1ec7t trong m\u00f4i tr\u01b0\u1eddng l\u1ea1nh gi\u00e1. Kh\u00f4ng gi\u1ed1ng nh\u01b0 nh\u1eefng lo\u00e0i c\u00e1 voi kh\u00e1c, k\u1ef3 l\u00e2n bi\u1ec3n kh\u00f4ng c\u00f3 v\u00e2y l\u01b0ng, c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t s\u1ef1 th\u00edch nghi v\u1edbi m\u00f4i tr\u01b0\u1eddng b\u0103ng gi\u00e1 c\u1ee7a ch\u00fang.<\/p>\n\n

Kh\u00f3 n\u1eafm b\u1eaft v\u00e0 kh\u00f3 nghi\u00ean c\u1ee9u<\/h2>\n\n

K\u1ef3 l\u00e2n bi\u1ec3n n\u1ed5i ti\u1ebfng l\u00e0 kh\u00f3 nghi\u00ean c\u1ee9u v\u00ec b\u1ea3n t\u00ednh kh\u00f3 n\u1eafm b\u1eaft c\u1ee7a ch\u00fang. Ch\u00fang tr\u00e1nh xa nh\u1eefng chi\u1ebfc thuy\u1ec1n g\u1eafn \u0111\u1ed9ng c\u01a1 v\u00e0 th\u00edch b\u0103ng bi\u1ec3n d\u00e0y \u0111\u1eb7c, khi\u1ebfn c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u kh\u00f3 quan s\u00e1t v\u00e0 g\u1eafn th\u1ebb ch\u00fang. Laidre v\u00e0 nh\u00f3m c\u1ee7a b\u00e0 \u0111\u00e3 ph\u00e1t tri\u1ec3n c\u00e1c k\u1ef9 thu\u1eadt s\u00e1ng t\u1ea1o, ch\u1eb3ng h\u1ea1n nh\u01b0 g\u1eafn m\u00e1y ph\u00e1t v\u00e0o ng\u1ecdn lao \u0111\u01b0\u1ee3c nh\u1eefng ng\u01b0\u1eddi th\u1ee3 s\u0103n Inuit ph\u00f3ng ra \u0111\u1ec3 theo d\u00f5i chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a k\u1ef3 l\u00e2n bi\u1ec3n.<\/p>\n\n

K\u1ebft n\u1ed1i v\u1edbi ng\u01b0\u1eddi Inuit<\/h2>\n\n

Ng\u01b0\u1eddi Inuit \u1edf Greenland c\u00f3 m\u1ed9t l\u1ecbch s\u1eed l\u00e2u \u0111\u1eddi v\u1ec1 vi\u1ec7c s\u0103n b\u1eaft k\u1ef3 l\u00e2n bi\u1ec3n \u0111\u1ec3 l\u1ea5y th\u1ee9c \u0103n v\u00e0 ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch v\u0103n h\u00f3a. Ki\u1ebfn th\u1ee9c v\u00e0 k\u1ef9 n\u0103ng truy\u1ec1n th\u1ed1ng c\u1ee7a h\u1ecd \u0111\u00e3 ch\u1ee9ng t\u1ecf l\u00e0 v\u00f4 gi\u00e1 \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 khoa h\u1ecdc nh\u01b0 Laidre, nh\u1eefng ng\u01b0\u1eddi h\u1ee3p t\u00e1c v\u1edbi nh\u1eefng ng\u01b0\u1eddi th\u1ee3 s\u0103n \u0111\u1ecba ph\u01b0\u01a1ng \u0111\u1ec3 hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 h\u00e0nh vi v\u00e0 \u0111\u1ed9ng l\u1ef1c qu\u1ea7n th\u1ec3 c\u1ee7a k\u1ef3 l\u00e2n bi\u1ec3n.<\/p>\n\n

M\u1ed1i quan ng\u1ea1i v\u1ec1 b\u1ea3o t\u1ed3n<\/h2>\n\n

K\u1ef3 l\u00e2n bi\u1ec3n ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c v\u1ec1 b\u1ea3o t\u1ed3n, bao g\u1ed3m m\u1ea5t m\u00f4i tr\u01b0\u1eddng s\u1ed1ng do bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu v\u00e0 t\u00ecnh tr\u1ea1ng s\u0103n b\u1eaft qu\u00e1 m\u1ee9c. Greenland g\u1ea7n \u0111\u00e2y \u0111\u00e3 \u00e1p d\u1ee5ng h\u1ea1n ng\u1ea1ch \u0111\u00e1nh b\u1eaft \u0111\u1ec3 b\u1ea3o v\u1ec7 lo\u00e0i, nh\u01b0ng v\u1eabn c\u00f2n nhi\u1ec1u lo ng\u1ea1i v\u1ec1 nh\u1eefng t\u00e1c \u0111\u1ed9ng l\u00e2u d\u00e0i c\u1ee7a t\u00ecnh tr\u1ea1ng thu h\u1eb9p di\u1ec7n t\u00edch b\u0103ng bi\u1ec3n \u0111\u1ed1i v\u1edbi qu\u1ea7n th\u1ec3 k\u1ef3 l\u00e2n bi\u1ec3n.<\/p>\n\n

Bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu v\u00e0 B\u1eafc C\u1ef1c<\/h2>\n\n

Khi B\u1eafc C\u1ef1c \u1ea5m l\u00ean v\u1edbi t\u1ed1c \u0111\u1ed9 \u0111\u00e1ng b\u00e1o \u0111\u1ed9ng, b\u0103ng bi\u1ec3n m\u00e0 k\u1ef3 l\u00e2n bi\u1ec3n ph\u1ee5 thu\u1ed9c \u0111ang tan ch\u1ea3y v\u1edbi t\u1ed1c \u0111\u1ed9 ch\u01b0a t\u1eebng c\u00f3. S\u1ef1 m\u1ea5t m\u00e1t m\u00f4i tr\u01b0\u1eddng s\u1ed1ng v\u00e0 gi\u00e1n \u0111o\u1ea1n ngu\u1ed3n th\u1ee9c \u0103n n\u00e0y g\u00e2y ra m\u1ed1i \u0111e d\u1ecda nghi\u00eam tr\u1ecdng \u0111\u1ebfn s\u1ef1 sinh t\u1ed3n c\u1ee7a ch\u00fang. Laidre v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p c\u1ee7a b\u00e0 \u0111\u00e3 g\u1eafn c\u00e1c c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 v\u00e0o k\u1ef3 l\u00e2n bi\u1ec3n \u0111\u1ec3 theo d\u00f5i nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc v\u00e0 nghi\u00ean c\u1ee9u t\u00e1c \u0111\u1ed9ng c\u1ee7a bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111\u1ed1i v\u1edbi h\u00e0nh vi c\u1ee7a ch\u00fang.<\/p>\n\n

Nghi\u00ean c\u1ee9u v\u00e0 kh\u00e1m ph\u00e1<\/h2>\n\n

Nghi\u00ean c\u1ee9u \u0111\u1ed9t ph\u00e1 c\u1ee7a Laidre \u0111\u00e3 m\u1edf r\u1ed9ng hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 k\u1ef3 l\u00e2n bi\u1ec3n theo nhi\u1ec1u c\u00e1ch. Nh\u00f3m c\u1ee7a b\u00e0 \u0111\u00e3 ph\u00e2n t\u00edch d\u1ea1 d\u00e0y c\u1ee7a ch\u00fang \u0111\u1ec3 kh\u00e1m ph\u00e1 ra ch\u1ebf \u0111\u1ed9 \u0103n m\u00f9a \u0111\u00f4ng, x\u00e1c nh\u1eadn \u0111\u1ed9 s\u00e2u l\u1eb7n c\u1ee7a ch\u00fang v\u00e0 theo d\u00f5i qu\u00e1 tr\u00ecnh di c\u01b0 r\u1ed9ng l\u1edbn c\u1ee7a ch\u00fang. B\u00e0 c\u0169ng \u0111\u00e3 l\u00e0m s\u00e1ng t\u1ecf s\u1ef1 \u0111a d\u1ea1ng v\u1ec1 m\u1eb7t di truy\u1ec1n c\u1ee7a ch\u00fang v\u00e0 nh\u1eefng r\u1ee7i ro ti\u1ec1m \u1ea9n m\u00e0 ch\u00fang ph\u1ea3i \u0111\u1ed1i m\u1eb7t do kh\u1ea3 n\u0103ng th\u00edch nghi chuy\u00ean bi\u1ec7t c\u1ee7a ch\u00fang.<\/p>\n\n

Di s\u1ea3n c\u1ee7a s\u1ef1 k\u1ef3 di\u1ec7u v\u00e0 khoa h\u1ecdc<\/h2>\n\n

\u0110am m\u00ea c\u1ee7a Kristin Laidre d\u00e0nh cho k\u1ef3 l\u00e2n bi\u1ec3n kh\u00f4ng ch\u1ec9 th\u00fac \u0111\u1ea9y ki\u1ebfn th\u1ee9c khoa h\u1ecdc m\u00e0 c\u00f2n kh\u01a1i d\u1eady c\u1ea3m gi\u00e1c k\u00ednh s\u1ee3 v\u00e0 ng\u1ea1c nhi\u00ean trong v\u00f4 s\u1ed1 c\u00e1 nh\u00e2n. Th\u00f4ng qua nghi\u00ean c\u1ee9u v\u00e0 h\u1ee3p t\u00e1c c\u1ee7a m\u00ecnh, b\u00e0 \u0111\u00e3 k\u1ebft n\u1ed1i th\u1ebf gi\u1edbi khoa h\u1ecdc v\u00e0 ngh\u1ec7 thu\u1eadt, t\u1ea1o ra m\u1ed9t di s\u1ea3n s\u1ebd ti\u1ebfp t\u1ee5c truy\u1ec1n c\u1ea3m h\u1ee9ng cho nhi\u1ec1u th\u1ebf h\u1ec7 nh\u00e0 th\u00e1m hi\u1ec3m v\u00e0 nh\u00e0 khoa h\u1ecdc t\u01b0\u01a1ng lai.<\/p>","protected":false},"excerpt":{"rendered":"

K\u1ef3 l\u00e2n bi\u1ec3n huy\u1ec1n b\u00ed: C\u00e2u chuy\u1ec7n v\u1ec1 k\u1ef3 quan B\u1eafc C\u1ef1c v\u00e0 kh\u00e1m ph\u00e1 khoa h\u1ecdc K\u1ef3 l\u00e2n c\u1ee7a bi\u1ec3n c\u1ea3 Trong v\u00f9ng n\u01b0\u1edbc s\u00e2u b\u0103ng gi\u00e1 c\u1ee7a B\u1eafc…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[280],"tags":[1354,34,254,16045,15655,361],"class_list":["post-11880","post","type-post","status-publish","format-standard","hentry","category-zoology","tag-arctic","tag-climate-change","tag-wildlife","tag-kristin-laidre","tag-narwhal","tag-marine-biology"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11880","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=11880"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11880\/revisions"}],"predecessor-version":[{"id":11881,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11880\/revisions\/11881"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=11880"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=11880"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=11880"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}