{"id":15817,"date":"2022-12-16T09:15:14","date_gmt":"2022-12-16T09:15:14","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=15817"},"modified":"2022-12-16T09:15:14","modified_gmt":"2022-12-16T09:15:14","slug":"tyrannosaurus-rex-population-density-and-ecological-significance","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/paleontology\/tyrannosaurus-rex-population-density-and-ecological-significance\/","title":{"rendered":"Tyrannosaurus Rex: H\u00e9 l\u1ed9 v\u1ec1 m\u1eadt \u0111\u1ed9 qu\u1ea7n th\u1ec3 v\u00e0 \u00fd ngh\u0129a sinh th\u00e1i c\u1ee7a m\u1ed9t lo\u00e0i \u0103n th\u1ecbt ti\u1ec1n s\u1eed"},"content":{"rendered":"

Tyrannosaurus Rex: H\u00e9 l\u1ed9 v\u1ec1 m\u1eadt \u0111\u1ed9 qu\u1ea7n th\u1ec3 v\u00e0 \u00fd ngh\u0129a sinh th\u00e1i c\u1ee7a m\u1ed9t lo\u00e0i \u0103n th\u1ecbt ti\u1ec1n s\u1eed<\/h2>\n\n

\u01af\u1edbc t\u00ednh qu\u1ea7n th\u1ec3 T-Rex: M\u1ed9t h\u00e0nh tr\u00ecnh khoa h\u1ecdc<\/h2>\n\n

C\u00e1c nh\u00e0 khoa h\u1ecdc t\u1eeb l\u00e2u \u0111\u00e3 b\u1ecb cu\u1ed1n h\u00fat b\u1edfi lo\u00e0i Tyrannosaurus Rex b\u00ed \u1ea9n, m\u1ed9t lo\u00e0i \u0103n th\u1ecbt \u0111\u00e1ng s\u1ee3 t\u1eebng lang thang tr\u00ean Tr\u00e1i \u0111\u1ea5t v\u00e0o cu\u1ed1i k\u1ef7 Ph\u1ea5n tr\u1eafng. Tuy nhi\u00ean, cho \u0111\u1ebfn g\u1ea7n \u0111\u00e2y, h\u1ecd v\u1eabn ch\u01b0a c\u00f3 m\u1ed9t \u00fd t\u01b0\u1edfng r\u00f5 r\u00e0ng v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng T-Rex t\u1ed3n t\u1ea1i trong su\u1ed1t th\u1eddi k\u1ef3 th\u1ed1ng tr\u1ecb c\u1ee7a ch\u00fang.<\/p>\n\n

\u0110\u1ec3 gi\u1ea3i quy\u1ebft c\u00e2u h\u1ecfi n\u00e0y, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 b\u1eaft tay v\u00e0o m\u1ed9t nghi\u00ean c\u1ee9u \u0111\u1ed9t ph\u00e1 s\u1eed d\u1ee5ng nhi\u1ec1u nguy\u00ean l\u00fd v\u00e0 d\u1eef li\u1ec7u khoa h\u1ecdc kh\u00e1c nhau. H\u1ecd s\u1eed d\u1ee5ng \u0111\u1ecbnh lu\u1eadt Damuth, thi\u1ebft l\u1eadp m\u1ed1i t\u01b0\u01a1ng quan gi\u1eefa kh\u1ed1i l\u01b0\u1ee3ng c\u01a1 th\u1ec3 c\u1ee7a m\u1ed9t lo\u00e0i \u0111\u1ed9ng v\u1eadt v\u00e0 m\u1eadt \u0111\u1ed9 qu\u1ea7n th\u1ec3 c\u1ee7a n\u00f3. B\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch kh\u1ed1i l\u01b0\u1ee3ng c\u01a1 th\u1ec3 trung b\u00ecnh c\u1ee7a m\u1ed9t con T-Rex, \u01b0\u1edbc t\u00ednh kho\u1ea3ng 5.200 kg, v\u00e0 ph\u1ea1m vi ph\u00e2n b\u1ed1 \u0111\u1ecba l\u00fd c\u1ee7a ch\u00fang tr\u00ean kh\u1eafp B\u1eafc M\u1ef9, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c m\u1eadt \u0111\u1ed9 qu\u1ea7n th\u1ec3 T-Rex trung b\u00ecnh t\u1ea1i b\u1ea5t k\u1ef3 th\u1eddi \u0111i\u1ec3m n\u00e0o.<\/p>\n\n

M\u1ed9t qu\u1ea7n th\u1ec3 \u0111\u00f4ng \u0111\u00fac nh\u01b0ng th\u01b0a th\u1edbt<\/h2>\n\n

K\u1ebft qu\u1ea3 cho th\u1ea5y r\u1eb1ng, m\u1eb7c d\u00f9 c\u00f3 k\u00edch th\u01b0\u1edbc kh\u1ed5ng l\u1ed3, qu\u1ea7n th\u1ec3 T-Rex l\u1ea1i \u0111\u00e1ng ng\u1ea1c nhi\u00ean l\u00e0 r\u1ea5t th\u01b0a th\u1edbt. T\u1ea1i b\u1ea5t k\u1ef3 th\u1eddi \u0111i\u1ec3m n\u00e0o, qu\u1ea7n th\u1ec3 \u01b0\u1edbc t\u00ednh kho\u1ea3ng 20.000 c\u00e1 th\u1ec3 tr\u01b0\u1edfng th\u00e0nh, ph\u00e2n b\u1ed1 tr\u00ean m\u1ed9t l\u00e3nh th\u1ed5 r\u1ed9ng l\u1edbn tr\u1ea3i d\u00e0i 2.300.000 km\u00b2. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ch\u1ec9 c\u00f3 kho\u1ea3ng hai con T-Rex sinh s\u1ed1ng trong m\u1ed9t khu v\u1ef1c c\u00f3 di\u1ec7n t\u00edch b\u1eb1ng Washington, D.C., l\u00e0m n\u1ed5i b\u1eadt m\u1eadt \u0111\u1ed9 qu\u1ea7n th\u1ec3 th\u1ea5p c\u1ee7a lo\u00e0i n\u00e0y.<\/p>\n\n

C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1eadt \u0111\u1ed9 qu\u1ea7n th\u1ec3<\/h2>\n\n

M\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 \u0111\u00e3 g\u00f3p ph\u1ea7n v\u00e0o m\u1eadt \u0111\u1ed9 qu\u1ea7n th\u1ec3 th\u1ea5p c\u1ee7a T-Rex. K\u00edch th\u01b0\u1edbc c\u01a1 th\u1ec3 kh\u1ed5ng l\u1ed3 c\u1ee7a ch\u00fang \u0111\u00f2i h\u1ecfi m\u1ed9t l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng \u0111\u00e1ng k\u1ec3 \u0111\u1ec3 duy tr\u00ec, h\u1ea1n ch\u1ebf s\u1ed1 l\u01b0\u1ee3ng c\u1ee7a ch\u00fang. Ngo\u00e0i ra, tu\u1ed5i th\u1ecd t\u01b0\u01a1ng \u0111\u1ed1i d\u00e0i c\u1ee7a ch\u00fang, v\u1edbi c\u00e1c c\u00e1 th\u1ec3 \u0111\u1ea1t \u0111\u1ebfn \u0111\u1ed9 tu\u1ed5i ngo\u00e0i hai m\u01b0\u01a1i v\u00e0 tu\u1ed5i tr\u01b0\u1edfng th\u00e0nh v\u1ec1 m\u1eb7t sinh d\u1ee5c mu\u1ed9n, kho\u1ea3ng 15,5 n\u0103m, c\u00e0ng l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng sinh s\u1ea3n c\u1ee7a ch\u00fang.<\/p>\n\n

H\u00f3a th\u1ea1ch: M\u1ed9t c\u00e1i nh\u00ecn tho\u00e1ng qua v\u1ec1 qu\u00e1 kh\u1ee9<\/h2>\n\n

Nghi\u00ean c\u1ee9u c\u0169ng l\u00e0m s\u00e1ng t\u1ecf t\u1ef7 l\u1ec7 b\u1ea3o t\u1ed3n h\u00f3a th\u1ea1ch c\u1ee7a T-Rex. D\u1ef1a tr\u00ean m\u1eadt \u0111\u1ed9 qu\u1ea7n th\u1ec3 \u01b0\u1edbc t\u00ednh, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u00ednh to\u00e1n r\u1eb1ng ch\u1ec9 c\u00f3 m\u1ed9t trong 80 tri\u1ec7u con T-Rex \u0111\u01b0\u1ee3c b\u1ea3o t\u1ed3n d\u01b0\u1edbi d\u1ea1ng h\u00f3a th\u1ea1ch. T\u1ef7 l\u1ec7 b\u1ea3o t\u1ed3n c\u1ef1c k\u1ef3 th\u1ea5p n\u00e0y nh\u1ea5n m\u1ea1nh s\u1ef1 hi\u1ebfm hoi c\u1ee7a vi\u1ec7c t\u00ecm th\u1ea5y h\u00f3a th\u1ea1ch T-Rex v\u00e0 nh\u1eefng th\u00e1ch th\u1ee9c m\u00e0 c\u00e1c nh\u00e0 c\u1ed5 sinh v\u1eadt h\u1ecdc ph\u1ea3i \u0111\u1ed1i m\u1eb7t trong vi\u1ec7c t\u00e1i t\u1ea1o l\u1ea1i l\u1ecbch s\u1eed c\u1ee7a lo\u00e0i.<\/p>\n\n

Vai tr\u00f2 sinh th\u00e1i c\u1ee7a T-Rex<\/h2>\n\n

Nghi\u00ean c\u1ee9u kh\u00f4ng ch\u1ec9 cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft v\u1ec1 m\u1eadt \u0111\u1ed9 qu\u1ea7n th\u1ec3 c\u1ee7a T-Rex m\u00e0 c\u00f2n l\u00e0m s\u00e1ng t\u1ecf \u00fd ngh\u0129a sinh th\u00e1i c\u1ee7a ch\u00fang. L\u00e0 nh\u1eefng lo\u00e0i s\u0103n m\u1ed3i \u0111\u1ea7u b\u1ea3ng, T-Rex \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ecbnh h\u00ecnh c\u00e1c h\u1ec7 sinh th\u00e1i c\u1ed5 \u0111\u1ea1i m\u00e0 ch\u00fang sinh s\u1ed1ng. S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u00e0nh vi v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a c\u00e1c lo\u00e0i kh\u00e1c, duy tr\u00ec s\u1ef1 c\u00e2n b\u1eb1ng tinh t\u1ebf trong chu\u1ed7i th\u1ee9c \u0103n.<\/p>\n\n

M\u1edf r\u1ed9ng nghi\u00ean c\u1ee9u<\/h2>\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u00f3 k\u1ebf ho\u1ea1ch \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p c\u1ee7a m\u00ecnh \u0111\u1ec3 t\u00ednh to\u00e1n m\u1eadt \u0111\u1ed9 qu\u1ea7n th\u1ec3 c\u1ee7a c\u00e1c lo\u00e0i kh\u1ee7ng long kh\u00e1c s\u1ed1ng trong k\u1ef7 Ph\u1ea5n tr\u1eafng. B\u1eb1ng c\u00e1ch t\u1eadp h\u1ee3p th\u00f4ng tin n\u00e0y, h\u1ecd nh\u1eb1m m\u1ee5c \u0111\u00edch t\u1ea1o ra m\u1ed9t b\u1ee9c tranh to\u00e0n c\u1ea3nh v\u1ec1 c\u00e1c h\u1ec7 sinh th\u00e1i c\u1ed5 \u0111\u1ea1i, hi\u1ec3u c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng v\u00e0 s\u1ef1 t\u01b0\u01a1ng t\u00e1c ph\u1ee9c t\u1ea1p gi\u1eefa c\u00e1c lo\u00e0i kh\u00e1c nhau.<\/p>\n\n

H\u00e9 l\u1ed9 th\u1ebf gi\u1edbi c\u1ed5 \u0111\u1ea1i<\/h2>\n\n

Nh\u1eefng nghi\u00ean c\u1ee9u nh\u01b0 th\u1ebf n\u00e0y v\u00f4 c\u00f9ng gi\u00e1 tr\u1ecb trong vi\u1ec7c t\u00e1i t\u1ea1o n\u00ean b\u1ee9c tranh v\u1ec1 s\u1ef1 s\u1ed1ng t\u1ed3n t\u1ea1i c\u00e1ch \u0111\u00e2y h\u00e0ng tri\u1ec7u n\u0103m. B\u1eb1ng c\u00e1ch gi\u1ea3i m\u00e3 \u0111\u1ed9ng l\u1ef1c qu\u1ea7n th\u1ec3 v\u00e0 vai tr\u00f2 sinh th\u00e1i c\u1ee7a c\u00e1c lo\u00e0i \u0111\u00e3 tuy\u1ec7t ch\u1ee7ng, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u00e1nh gi\u00e1 s\u00e2u s\u1eafc h\u01a1n v\u1ec1 l\u1ecbch s\u1eed ti\u1ebfn h\u00f3a phong ph\u00fa c\u1ee7a Tr\u00e1i \u0111\u1ea5t v\u00e0 s\u1ef1 k\u1ebft n\u1ed1i c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c sinh v\u1eadt s\u1ed1ng.<\/p>","protected":false},"excerpt":{"rendered":"

Tyrannosaurus Rex: H\u00e9 l\u1ed9 v\u1ec1 m\u1eadt \u0111\u1ed9 qu\u1ea7n th\u1ec3 v\u00e0 \u00fd ngh\u0129a sinh th\u00e1i c\u1ee7a m\u1ed9t lo\u00e0i \u0103n th\u1ecbt ti\u1ec1n s\u1eed \u01af\u1edbc t\u00ednh qu\u1ea7n th\u1ec3 T-Rex: M\u1ed9t h\u00e0nh tr\u00ecnh khoa…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[137,21020,134,664,16267,21019],"class_list":["post-15817","post","type-post","status-publish","format-standard","hentry","category-paleontology","tag-paleontology","tag-ecological-significance","tag-dinosaurs","tag-tyrannosaurus-rex","tag-population-density","tag-prehistoric-earth"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15817","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=15817"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15817\/revisions"}],"predecessor-version":[{"id":15818,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15817\/revisions\/15818"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=15817"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=15817"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=15817"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}