Trong m\u1ed9t b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 khoa h\u1ecdc \u0111\u00e1ng ch\u00fa \u00fd, c\u00e1c nh\u00e0 sinh h\u1ecdc \u0111\u00e3 c\u00f4ng b\u1ed1 vi\u1ec7c ph\u00e1t hi\u1ec7n ra 24 lo\u00e0i th\u1eb1n l\u1eb1n m\u1edbi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 th\u1eb1n l\u1eb1n b\u00f3ng \u1edf c\u00e1c \u0111\u1ea3o Caribe. Kh\u00e1m ph\u00e1 quan tr\u1ecdng n\u00e0y, \u0111\u01b0\u1ee3c d\u1eabn \u0111\u1ea7u b\u1edfi nh\u00e0 b\u00f2 s\u00e1t h\u1ecdc n\u1ed5i ti\u1ebfng Blair Hedges c\u1ee7a \u0110\u1ea1i h\u1ecdc Penn State, \u0111\u00e3 m\u1edf r\u1ed9ng \u0111\u00e1ng k\u1ec3 s\u1ef1 hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 \u0111a d\u1ea1ng sinh h\u1ecdc c\u1ee7a khu v\u1ef1c n\u00e0y.<\/p>\n\n
Hedges v\u00e0 nh\u00f3m c\u1ee7a \u00f4ng \u0111\u00e3 s\u1eed d\u1ee5ng s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa ph\u00e2n lo\u1ea1i h\u1ecdc truy\u1ec1n th\u1ed1ng v\u00e0 ph\u00e2n t\u00edch DNA ti\u00ean ti\u1ebfn \u0111\u1ec3 ki\u1ec3m tra t\u1ec9 m\u1ec9 c\u00e1c m\u1eabu v\u1eadt th\u1eb1n l\u1eb1n b\u00f3ng t\u1eeb c\u00e1c s\u1edf th\u00fa v\u00e0 c\u00e1c trung t\u00e2m b\u1ea3o t\u1ed3n tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. Nghi\u00ean c\u1ee9u c\u1ee7a h\u1ecd \u0111\u00e3 ti\u1ebft l\u1ed9 t\u1ed5ng c\u1ed9ng 39 lo\u00e0i th\u1eb1n l\u1eb1n b\u00f3ng ri\u00eang bi\u1ec7t sinh s\u1ed1ng \u1edf Caribe, bao g\u1ed3m s\u00e1u lo\u00e0i \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn tr\u01b0\u1edbc \u0111\u00f3, ch\u00edn lo\u00e0i \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean tr\u01b0\u1edbc \u0111\u00e2y nh\u01b0ng sau \u0111\u00f3 \u0111\u01b0\u1ee3c coi l\u00e0 kh\u00f4ng h\u1ee3p l\u1ec7, v\u00e0 24 lo\u00e0i ho\u00e0n to\u00e0n m\u1edbi.<\/p>\n\n
B\u1eb1ng ch\u1ee9ng cho th\u1ea5y th\u1eb1n l\u1eb1n b\u00f3ng Caribe c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb Ch\u00e2u Phi c\u00e1ch \u0111\u00e2y kho\u1ea3ng 18 tri\u1ec7u n\u0103m, c\u00f3 th\u1ec3 \u0111\u1ebfn b\u1eb1ng c\u00e1ch tr\u00f4i d\u1ea1t tr\u00ean c\u00e1c b\u00e8 th\u1ef1c v\u1eadt. Theo th\u1eddi gian, ch\u00fang \u0111\u00e3 \u0111a d\u1ea1ng th\u00e0nh m\u1ed9t lo\u1ea1t c\u00e1c lo\u00e0i \u0111\u00e1ng ch\u00fa \u00fd, m\u1ed7i lo\u00e0i \u0111\u1ec1u th\u00edch nghi v\u1edbi h\u1ed1c sinh th\u00e1i \u0111\u1ed9c \u0111\u00e1o c\u1ee7a ri\u00eang m\u00ecnh.<\/p>\n\n
M\u1eb7c d\u00f9 c\u00f3 l\u1ecbch s\u1eed ti\u1ebfn h\u00f3a l\u00e2u d\u00e0i, nh\u01b0ng th\u1eb1n l\u1eb1n b\u00f3ng Caribe hi\u1ec7n \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi cu\u1ed9c kh\u1ee7ng ho\u1ea3ng b\u1ea3o t\u1ed3n nghi\u00eam tr\u1ecdng. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh r\u1eb1ng m\u1ed9t n\u1eeda s\u1ed1 lo\u00e0i m\u1edbi \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n \u0111ang b\u1ecb \u0111e d\u1ecda tuy\u1ec7t ch\u1ee7ng, trong \u0111\u00f3 m\u1ed9t s\u1ed1 lo\u00e0i c\u00f3 kh\u1ea3 n\u0103ng \u0111\u00e3 tuy\u1ec7t ch\u1ee7ng ngo\u00e0i t\u1ef1 nhi\u00ean. M\u1ed1i \u0111e d\u1ecda ch\u00ednh \u0111\u1ed1i v\u1edbi nh\u1eefng lo\u00e0i th\u1eb1n l\u1eb1n n\u00e0y l\u00e0 lo\u00e0i c\u1ea7y h\u01b0\u01a1ng x\u00e2m l\u1ea5n, \u0111\u01b0\u1ee3c du nh\u1eadp v\u00e0o Caribe v\u00e0o th\u1ebf k\u1ef7 19 \u0111\u1ec3 ki\u1ec3m so\u00e1t qu\u1ea7n th\u1ec3 lo\u00e0i g\u1eb7m nh\u1ea5m. C\u1ea7y h\u01b0\u01a1ng \u0111\u00e3 t\u00e0n ph\u00e1 qu\u1ea7n th\u1ec3 th\u1eb1n l\u1eb1n b\u00f3ng, v\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi \u0111ang di\u1ec5n ra nh\u01b0 ch\u1eb7t ph\u00e1 r\u1eebng c\u00e0ng l\u00e0m tr\u1ea7m tr\u1ecdng th\u00eam t\u00ecnh tr\u1ea1ng d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng c\u1ee7a ch\u00fang.<\/p>\n\n
Vi\u1ec7c ph\u00e1t hi\u1ec7n ra nh\u1eefng lo\u00e0i th\u1eb1n l\u1eb1n b\u00f3ng m\u1edbi n\u00e0y n\u00eau b\u1eadt s\u1ef1 c\u1ea5p thi\u1ebft c\u1ee7a c\u00e1c n\u1ed7 l\u1ef1c b\u1ea3o t\u1ed3n. Nh\u00f3m nghi\u00ean c\u1ee9u nh\u1ea5n m\u1ea1nh t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c b\u1ea3o v\u1ec7 c\u00e1c m\u00f4i tr\u01b0\u1eddng s\u1ed1ng c\u00f2n l\u1ea1i c\u1ee7a ch\u00fang, th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t c\u1ea7y h\u01b0\u01a1ng v\u00e0 n\u00e2ng cao nh\u1eadn th\u1ee9c v\u1ec1 t\u00ecnh tr\u1ea1ng kh\u00f3 kh\u0103n c\u1ee7a nh\u1eefng lo\u00e0i b\u00f2 s\u00e1t c\u00f3 nguy c\u01a1 tuy\u1ec7t ch\u1ee7ng n\u00e0y.<\/p>\n\n
C\u00e1c lo\u00e0i th\u1eb1n l\u1eb1n b\u00f3ng m\u1edbi \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n th\u1ec3 hi\u1ec7n nhi\u1ec1u lo\u1ea1i ph\u00e2n b\u1ed1 v\u00e0 s\u1edf th\u00edch v\u1ec1 m\u00f4i tr\u01b0\u1eddng s\u1ed1ng. M\u1ed9t s\u1ed1 lo\u00e0i \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y tr\u00ean nhi\u1ec1u \u0111\u1ea3o, trong khi nh\u1eefng lo\u00e0i kh\u00e1c ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf m\u1ed9t \u0111\u1ea3o ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 m\u1ed9t khu v\u1ef1c c\u1ee5 th\u1ec3 c\u1ee7a m\u1ed9t \u0111\u1ea3o. M\u00f4i tr\u01b0\u1eddng s\u1ed1ng c\u1ee7a ch\u00fang thay \u0111\u1ed5i t\u1eeb c\u1ed3n c\u00e1t ven bi\u1ec3n \u0111\u1ebfn nh\u1eefng khu r\u1eebng m\u01b0a t\u01b0\u01a1i t\u1ed1t, ph\u1ea3n \u00e1nh kh\u1ea3 n\u0103ng th\u00edch nghi \u0111\u00e1ng ch\u00fa \u00fd c\u1ee7a ch\u00fang.<\/p>\n\n
C\u00e1c lo\u00e0i th\u1eb1n l\u1eb1n b\u00f3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n bi\u1ec7t v\u1edbi nhau d\u1ef1a tr\u00ean nhi\u1ec1u \u0111\u1eb7c \u0111i\u1ec3m v\u1ec1 m\u1eb7t h\u00ecnh th\u00e1i, bao g\u1ed3m h\u00ecnh d\u1ea1ng v\u1ea3y, k\u00edch th\u01b0\u1edbc c\u01a1 th\u1ec3 v\u00e0 m\u00e0u s\u1eafc. Ph\u00e2n t\u00edch DNA c\u0169ng \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh v\u00e0 x\u00e1c nh\u1eadn c\u00e1c d\u00f2ng d\u00f5i di truy\u1ec1n ri\u00eang bi\u1ec7t c\u1ee7a nh\u1eefng lo\u00e0i th\u1eb1n l\u1eb1n n\u00e0y.<\/p>\n\n
Ph\u00e2n t\u00edch DNA \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 v\u00f4 gi\u00e1 trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c lo\u00e0i th\u1eb1n l\u1eb1n b\u00f3ng m\u1edbi, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng lo\u00e0i c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t nh\u1ecf v\u1ec1 m\u1eb7t h\u00ecnh th\u00e1i. B\u1eb1ng c\u00e1ch so s\u00e1nh d\u1eef li\u1ec7u di truy\u1ec1n, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i quan h\u1ec7 ti\u1ebfn h\u00f3a gi\u1eefa c\u00e1c lo\u00e0i v\u00e0 th\u1eadm ch\u00ed x\u00e1c \u0111\u1ecbnh c\u1ea3 nh\u1eefng lo\u00e0i c\u00f3 quan h\u1ec7 h\u1ecd h\u00e0ng g\u1ea7n c\u00f3 th\u1ec3 \u0111\u00e3 b\u1ecb b\u1ecf qua trong qu\u00e1 kh\u1ee9.<\/p>\n\n
Vi\u1ec7c b\u1ea3o t\u1ed3n c\u00e1c lo\u00e0i th\u1eb1n l\u1eb1n b\u00f3ng Caribe m\u1edbi \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c \u0111\u00e1ng k\u1ec3. T\u00ednh qu\u00fd hi\u1ebfm c\u1ee7a ch\u00fang, c\u00f9ng v\u1edbi c\u00e1c m\u1ed1i \u0111e d\u1ecda li\u00ean t\u1ee5c t\u1eeb c\u00e1c lo\u00e0i x\u00e2m l\u1ea5n v\u00e0 m\u1ea5t m\u00f4i tr\u01b0\u1eddng s\u1ed1ng, l\u00e0m cho vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o t\u1ed3n to\u00e0n di\u1ec7n tr\u1edf n\u00ean b\u1eaft bu\u1ed9c. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111ang h\u1ee3p t\u00e1c v\u1edbi c\u00e1c c\u1ed9ng \u0111\u1ed3ng \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 c\u00e1c t\u1ed5 ch\u1ee9c b\u1ea3o t\u1ed3n \u0111\u1ec3 ph\u00e1t tri\u1ec3n v\u00e0 tri\u1ec3n khai c\u00e1c chi\u1ebfn l\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 nh\u1eb1m b\u1ea3o v\u1ec7 nh\u1eefng lo\u00e0i th\u1eb1n l\u1eb1n \u0111\u1ed9c \u0111\u00e1o v\u00e0 c\u00f3 nguy c\u01a1 tuy\u1ec7t ch\u1ee7ng n\u00e0y.<\/p>\n\n
N\u1ebfu b\u1ea1n c\u00f3 may m\u1eafn \u0111\u1ebfn th\u0103m c\u00e1c \u0111\u1ea3o Caribe, b\u1ea1n c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y m\u1ed9t trong nh\u1eefng lo\u00e0i th\u1eb1n l\u1eb1n b\u00f3ng kh\u00f3 n\u1eafm b\u1eaft n\u00e0y. Tuy nhi\u00ean, do t\u00ednh qu\u00fd hi\u1ebfm c\u1ee7a ch\u00fang, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ki\u00ean nh\u1eabn v\u00e0 t\u00f4n tr\u1ecdng s\u1ef1 t\u1ed3n t\u1ea1i mong manh c\u1ee7a ch\u00fang. H\u00e3y nh\u1edb quan s\u00e1t ch\u00fang t\u1eeb xa v\u00e0 tr\u00e1nh l\u00e0m gi\u00e1n \u0111o\u1ea1n h\u00e0nh vi t\u1ef1 nhi\u00ean c\u1ee7a ch\u00fang.<\/p>","protected":false},"excerpt":{"rendered":"
Ph\u00e1t hi\u1ec7n 24 lo\u00e0i th\u1eb1n l\u1eb1n m\u1edbi \u1edf v\u00f9ng Caribe: M\u1ed9t n\u1eeda \u0111\u1ed1i m\u1eb7t v\u1edbi nguy c\u01a1 tuy\u1ec7t ch\u1ee7ng Kh\u00e1m ph\u00e1 \u0111\u1ed9t ph\u00e1 Trong m\u1ed9t b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 khoa h\u1ecdc…<\/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":[404,784,786,395,785,286,583],"class_list":["post-292","post","type-post","status-publish","format-standard","hentry","category-zoology","tag-endangered-species","tag-caribbean-skinks","tag-conservation-crisis","tag-biodiversity","tag-new-species-discovery","tag-invasive-species","tag-habitat-loss"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/292","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=292"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/292\/revisions"}],"predecessor-version":[{"id":293,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/292\/revisions\/293"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=292"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}