{"id":11976,"date":"2023-03-18T13:27:47","date_gmt":"2023-03-18T13:27:47","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=11976"},"modified":"2023-03-18T13:27:47","modified_gmt":"2023-03-18T13:27:47","slug":"insects-caused-dinosaur-extinction","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/paleontology\/insects-caused-dinosaur-extinction\/","title":{"rendered":"Li\u1ec7u c\u00f4n tr\u00f9ng c\u00f3 ph\u1ea3i l\u00e0 nguy\u00ean nh\u00e2n khi\u1ebfn kh\u1ee7ng long tuy\u1ec7t ch\u1ee7ng?"},"content":{"rendered":"

Li\u1ec7u c\u00f4n tr\u00f9ng c\u00f3 ph\u1ea3i l\u00e0 nguy\u00ean nh\u00e2n khi\u1ebfn kh\u1ee7ng long tuy\u1ec7t ch\u1ee7ng?<\/strong><\/h2>\n\n

H\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi tin r\u1eb1ng ti\u1ec3u h\u00e0nh tinh \u0111\u00e3 x\u00f3a s\u1ed5 lo\u00e0i kh\u1ee7ng long. Nh\u01b0ng n\u1ebfu th\u1ee7 ph\u1ea1m th\u1ef1c s\u1ef1 l\u00e0 th\u1ee9 nh\u1ecf h\u01a1n nhi\u1ec1u, nh\u01b0ng l\u1ea1i \u0111\u1ec3 l\u1ea1i h\u1eadu qu\u1ea3 l\u00e2u d\u00e0i h\u01a1n: c\u00f4n tr\u00f9ng th\u00ec sao?<\/p>\n\n

C\u00e1c nh\u00e0 c\u00f4n tr\u00f9ng h\u1ecdc George v\u00e0 Roberta Poinar tin r\u1eb1ng c\u00f4n tr\u00f9ng \u0111\u00f3ng vai tr\u00f2 ch\u00ednh trong s\u1ef1 tuy\u1ec7t ch\u1ee7ng c\u1ee7a kh\u1ee7ng long. Trong cu\u1ed1n s\u00e1ch c\u1ee7a h\u1ecd, “What Bugged the Dinosaurs? Insects, Disease, and Death in the Cretaceous”, h\u1ecd l\u1eadp lu\u1eadn r\u1eb1ng ch\u1ec9 ri\u00eang ti\u1ec3u h\u00e0nh tinh ho\u1eb7c n\u00fai l\u1eeda phun tr\u00e0o kh\u00f4ng th\u1ec3 gi\u1ea3i th\u00edch t\u1ea1i sao kh\u1ee7ng long l\u1ea1i ch\u1ebft d\u1ea7n trong h\u00e0ng tr\u0103m ngh\u00ecn n\u0103m. M\u1eb7c d\u00f9 nh\u1eefng s\u1ef1 ki\u1ec7n th\u1ea3m kh\u1ed1c n\u00e0y c\u00f3 th\u1ec3 \u0111\u00e3 g\u00e2y ra m\u1ed9t s\u1ed1 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn qu\u1ea7n th\u1ec3 kh\u1ee7ng long, nh\u01b0ng ch\u00fang kh\u00f4ng gi\u1ea3i th\u00edch \u0111\u1ea7y \u0111\u1ee7 cho s\u1ef1 tuy\u1ec7t ch\u1ee7ng h\u00e0ng lo\u1ea1t.<\/p>\n\n

V\u1ee3 ch\u1ed3ng nh\u00e0 Poinar \u0111\u00e3 nghi\u00ean c\u1ee9u c\u00e1c lo\u00e0i th\u1ef1c v\u1eadt v\u00e0 c\u00f4n tr\u00f9ng c\u1ed5 \u0111\u1ea1i b\u1ecb m\u1eafc k\u1eb9t trong nh\u1eefng gi\u1ecdt h\u1ed5 ph\u00e1ch h\u00e0ng tri\u1ec7u n\u0103m tr\u01b0\u1edbc. Trong ru\u1ed9t c\u1ee7a m\u1ed9t con b\u1ecd \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n trong h\u1ed5 ph\u00e1ch, h\u1ecd t\u00ecm th\u1ea5y m\u1ed9t m\u1ea7m b\u1ec7nh g\u00e2y ra b\u1ec7nh leshmaniasis, m\u1ed9t c\u0103n b\u1ec7nh k\u00fd sinh c\u00f3 th\u1ec3 l\u00e2y nhi\u1ec5m cho lo\u00e0i b\u00f2 s\u00e1t. Trong m\u1ed9t con kh\u00e1c, h\u1ecd t\u00ecm th\u1ea5y c\u00e1c m\u1ea7m b\u1ec7nh g\u00e2y b\u1ec7nh s\u1ed1t r\u00e9t. H\u1ecd c\u0169ng \u0111\u00e3 ki\u1ec3m tra ph\u00e2n kh\u1ee7ng long h\u00f3a th\u1ea1ch v\u00e0 ph\u00e1t hi\u1ec7n ra b\u1eb1ng ch\u1ee9ng c\u1ee7a b\u1ec7nh ki\u1ebft l\u1ef5 v\u00e0 c\u00e1c k\u00fd sinh tr\u00f9ng \u0111\u01b0\u1eddng ru\u1ed9t kh\u00e1c, h\u1ea7u h\u1ebft ch\u00fang \u0111\u01b0\u1ee3c truy\u1ec1n b\u1edfi c\u00f4n tr\u00f9ng.<\/p>\n\n

Kh\u00ed h\u1eadu nhi\u1ec7t \u0111\u1edbi c\u1ee7a k\u1ef7 Ph\u1ea5n Tr\u1eafng mu\u1ed9n s\u1ebd t\u1ea1o ra nh\u1eefng \u0111i\u1ec1u ki\u1ec7n l\u00fd t\u01b0\u1edfng \u0111\u1ec3 c\u00e1c lo\u00e0i c\u00f4n tr\u00f9ng n\u00e0y ph\u00e1t tri\u1ec3n m\u1ea1nh. S\u1ed1 l\u01b0\u1ee3ng gia t\u0103ng c\u1ee7a ch\u00fang kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe c\u1ee7a kh\u1ee7ng long m\u00e0 c\u00f2n c\u1ea3 ngu\u1ed3n cung c\u1ea5p th\u1ee9c \u0103n c\u1ee7a ch\u00fang. C\u00f4n tr\u00f9ng l\u00e0 lo\u00e0i th\u1ee5 ph\u1ea5n quan tr\u1ecdng v\u00e0 khi qu\u1ea7n th\u1ec3 c\u1ee7a ch\u00fang gia t\u0103ng, ch\u00fang \u0111\u00e3 gi\u00fap ph\u00e1t t\u00e1n c\u00e1c lo\u00e0i th\u1ef1c v\u1eadt c\u00f3 hoa, d\u1ea7n d\u1ea7n thay th\u1ebf d\u01b0\u01a1ng x\u1ec9, c\u00e2y h\u1ecd tu\u1ebf v\u00e0 c\u00e2y b\u1ea1ch qu\u1ea3 m\u00e0 kh\u1ee7ng long th\u01b0\u1eddng \u0103n.<\/p>\n\n

V\u1ee3 ch\u1ed3ng nh\u00e0 Poinar l\u1eadp lu\u1eadn r\u1eb1ng c\u00f4n tr\u00f9ng v\u00e0 kh\u1ee7ng long \u0111\u00e3 b\u1ecb cu\u1ed1n v\u00e0o m\u1ed9t “cu\u1ed9c v\u1eadt l\u1ed9n s\u1ed1ng c\u00f2n” \u0111\u1ec3 t\u1ed3n t\u1ea1i, v\u00e0 cu\u1ed1i c\u00f9ng c\u00f4n tr\u00f9ng \u0111\u00e3 gi\u00e0nh chi\u1ebfn th\u1eafng.<\/p>\n\n

B\u1eb1ng ch\u1ee9ng cho Thuy\u1ebft tuy\u1ec7t ch\u1ee7ng do c\u00f4n tr\u00f9ng<\/strong><\/h3>\n\n

Thuy\u1ebft c\u1ee7a v\u1ee3 ch\u1ed3ng nh\u00e0 Poinar \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi m\u1ed9t s\u1ed1 b\u1eb1ng ch\u1ee9ng:<\/p>\n\n

    \n
  • C\u00e1c m\u1ea7m b\u1ec7nh \u1edf c\u00f4n tr\u00f9ng:<\/strong> Vi\u1ec7c ph\u00e1t hi\u1ec7n ra c\u00e1c m\u1ea7m b\u1ec7nh g\u00e2y b\u1ec7nh leshmaniasis, s\u1ed1t r\u00e9t v\u00e0 c\u00e1c b\u1ec7nh kh\u00e1c \u1edf c\u00e1c lo\u00e0i c\u00f4n tr\u00f9ng \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n trong h\u1ed5 ph\u00e1ch cho th\u1ea5y c\u00f4n tr\u00f9ng l\u00e0 ngu\u1ed3n b\u1ec7nh ch\u00ednh cho kh\u1ee7ng long.<\/li>\n
  • K\u00fd sinh tr\u00f9ng trong ph\u00e2n kh\u1ee7ng long:<\/strong> S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a k\u00fd sinh tr\u00f9ng \u0111\u01b0\u1eddng ru\u1ed9t trong ph\u00e2n kh\u1ee7ng long h\u00f3a th\u1ea1ch cung c\u1ea5p th\u00eam b\u1eb1ng ch\u1ee9ng cho th\u1ea5y c\u00f4n tr\u00f9ng \u0111\u00e3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe c\u1ee7a kh\u1ee7ng long.<\/li>\n
  • Nh\u1eefng thay \u0111\u1ed5i trong ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng c\u1ee7a kh\u1ee7ng long:<\/strong> S\u1ef1 ph\u00e1t t\u00e1n c\u1ee7a c\u00e1c lo\u00e0i th\u1ef1c v\u1eadt c\u00f3 hoa, \u0111\u01b0\u1ee3c c\u00f4n tr\u00f9ng th\u1ee5 ph\u1ea5n, \u0111\u00e3 d\u1eabn \u0111\u1ebfn s\u1ef1 s\u1ee5t gi\u1ea3m ngu\u1ed3n cung c\u1ea5p c\u00e1c lo\u00e0i th\u1ef1c v\u1eadt m\u00e0 kh\u1ee7ng long v\u1eabn th\u01b0\u1eddng \u0103n. S\u1ef1 thay \u0111\u1ed5i ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng n\u00e0y c\u00f3 th\u1ec3 \u0111\u00e3 l\u00e0m kh\u1ee7ng long suy y\u1ebfu v\u00e0 khi\u1ebfn ch\u00fang d\u1ec5 m\u1eafc b\u1ec7nh h\u01a1n.<\/li>\n<\/ul>\n\n

    \u00dd ngh\u0129a c\u1ee7a Thuy\u1ebft tuy\u1ec7t ch\u1ee7ng do c\u00f4n tr\u00f9ng<\/strong><\/h3>\n\n

    N\u1ebfu thuy\u1ebft c\u1ee7a v\u1ee3 ch\u1ed3ng nh\u00e0 Poinar l\u00e0 \u0111\u00fang, th\u00ec n\u00f3 s\u1ebd c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ef1 hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 s\u1ef1 tuy\u1ec7t ch\u1ee7ng c\u1ee7a kh\u1ee7ng long. \u0110i\u1ec1u \u0111\u00f3 s\u1ebd c\u00f3 ngh\u0129a l\u00e0 c\u00f4n tr\u00f9ng \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng h\u01a1n trong s\u1ef1 tuy\u1ec7t ch\u1ee7ng so v\u1edbi suy ngh\u0129 tr\u01b0\u1edbc \u0111\u00e2y. N\u00f3 c\u0169ng s\u1ebd ch\u1ec9 ra r\u1eb1ng s\u1ef1 tuy\u1ec7t ch\u1ee7ng l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh di\u1ec5n ra t\u1eeb t\u1eeb h\u01a1n so v\u1edbi nh\u1eefng g\u00ec th\u01b0\u1eddng \u0111\u01b0\u1ee3c tin.<\/p>\n\n

    K\u1ebft lu\u1eadn<\/strong><\/h3>\n\n

    Thuy\u1ebft c\u1ee7a v\u1ee3 ch\u1ed3ng nh\u00e0 Poinar l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c mang t\u00ednh khi\u00eau kh\u00edch v\u00e0 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 t\u1ed1t \u0111\u1ed1i v\u1edbi quan \u0111i\u1ec3m truy\u1ec1n th\u1ed1ng v\u1ec1 s\u1ef1 tuy\u1ec7t ch\u1ee7ng c\u1ee7a kh\u1ee7ng long. N\u00f3 l\u00e0 l\u1eddi nh\u1eafc nh\u1edf r\u1eb1ng ngay c\u1ea3 nh\u1eefng sinh v\u1eadt nh\u1ecf nh\u1ea5t c\u0169ng c\u00f3 th\u1ec3 c\u00f3 t\u00e1c \u0111\u1ed9ng l\u1edbn \u0111\u1ebfn ti\u1ebfn tr\u00ecnh l\u1ecbch s\u1eed.<\/p>","protected":false},"excerpt":{"rendered":"

    Li\u1ec7u c\u00f4n tr\u00f9ng c\u00f3 ph\u1ea3i l\u00e0 nguy\u00ean nh\u00e2n khi\u1ebfn kh\u1ee7ng long tuy\u1ec7t ch\u1ee7ng? H\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi tin r\u1eb1ng ti\u1ec3u h\u00e0nh tinh \u0111\u00e3 x\u00f3a s\u1ed5 lo\u00e0i kh\u1ee7ng long. Nh\u01b0ng n\u1ebfu…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[16174,16175,15217,2977,5610,134,554,3489,16176,3706,400],"class_list":["post-11976","post","type-post","status-publish","format-standard","hentry","category-paleontology","tag-pathogens","tag-leishmaniasis","tag-disease","tag-insects","tag-amber","tag-dinosaurs","tag-cretaceous","tag-parasites","tag-dysentery","tag-malaria","tag-extinction"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11976","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=11976"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11976\/revisions"}],"predecessor-version":[{"id":11977,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11976\/revisions\/11977"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=11976"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=11976"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=11976"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}