{"id":28343,"date":"2019-05-13T14:38:00","date_gmt":"2019-05-13T07:38:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28343"},"modified":"2021-10-03T01:43:56","modified_gmt":"2021-10-02T18:43:56","slug":"chi-con-37-so-dong-song-dai-nhat-tren-the-gioi-duoc-chay-tu-do","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/chi-con-37-so-dong-song-dai-nhat-tren-the-gioi-duoc-chay-tu-do\/","title":{"rendered":"Ch\u1ec9 c\u00f2n 37% s\u1ed1 d\u00f2ng s\u00f4ng d\u00e0i nh\u1ea5t tr\u00ean th\u1ebf gi\u1edbi \u0111\u01b0\u1ee3c ch\u1ea3y t\u1ef1 do"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"770\" height=\"462\" src=\"https:\/\/ttud.com.vn\/wp-content\/uploads\/2021\/10\/image-32.png\" alt=\"\" class=\"wp-image-28344\" srcset=\"https:\/\/casta.ttud.com.vn\/wp-content\/uploads\/2021\/10\/image-32.png 770w, https:\/\/casta.ttud.com.vn\/wp-content\/uploads\/2021\/10\/image-32-300x180.png 300w, https:\/\/casta.ttud.com.vn\/wp-content\/uploads\/2021\/10\/image-32-768x461.png 768w\" sizes=\"auto, (max-width: 770px) 100vw, 770px\" \/><figcaption><em>\u0110\u1eadp th\u1ee7y \u0111i\u1ec7n Pak Beng x\u00e2y d\u1ef1ng tr\u00ean d\u00f2ng Mekong &#8211; Ngu\u1ed3n: Pak Beng Hydropower project<\/em><\/figcaption><\/figure>\n\n\n\n<p><strong>Nghi\u00ean c\u1ee9u m\u1edbi nh\u1ea5t v\u1ec1 t\u00ecnh tr\u1ea1ng k\u1ebft n\u1ed1i c\u1ee7a c\u00e1c con s\u00f4ng do 34 nh\u00e0 khoa h\u1ecdc \u0111\u1ebfn t\u1eeb \u0110\u1ea1i h\u1ecdc McGill, WWF c\u00f9ng c\u00e1c t\u1ed5 ch\u1ee9c nghi\u00ean c\u1ee9u kh\u00e1c v\u1eeba c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed&nbsp;<em>Nature&nbsp;<\/em>ng\u00e0y 9\/5 cho th\u1ea5y, trong s\u1ed1 246 con s\u00f4ng d\u00e0i nh\u1ea5t tr\u00ean th\u1ebf gi\u1edbi ch\u1ec9 c\u00f2n 37% trong s\u1ed1 n\u00e0y c\u00f2n \u0111\u01b0\u1ee3c ch\u1ea3y t\u1ef1 do.<\/strong><\/p>\n\n\n\n<p>Nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 \u0111\u00e1nh gi\u00e1 t\u00ecnh tr\u1ea1ng k\u1ebft n\u1ed1i c\u1ee7a c\u00e1c con s\u00f4ng tr\u00ean th\u1ebf gi\u1edbi v\u1edbi t\u1ed5ng chi\u1ec1u d\u00e0i l\u00e0 12 tri\u1ec7u kilomet. \u0110\u00e2y l\u00e0 \u0111\u00e1nh gi\u00e1 \u0111\u1ea7u ti\u00ean tr\u00ean th\u1ebf gi\u1edbi v\u1ec1 v\u1ecb tr\u00ed v\u00e0 ph\u1ea1m vi c\u00e1c con s\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c ch\u1ea3y t\u1ef1 do tr\u00ean tr\u00e1i \u0111\u1ea5t. K\u1ebft qu\u1ea3 cho th\u1ea5y hi\u1ec7n ch\u1ec9 c\u00f2n 21\/91 d\u00f2ng s\u00f4ng tr\u00ean th\u1ebf gi\u1edbi, v\u1edbi chi\u1ec1u d\u00e0i h\u01a1n 1.000km v\u00e0 ch\u1ea3y ra bi\u1ec3n, v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp t\u1eeb \u0111\u1ea7u ngu\u1ed3n ra \u0111\u1ea1i d\u01b0\u01a1ng.<\/p>\n\n\n\n<p>\u00d4ng Michele Thieme, nh\u00e0 khoa h\u1ecdc n\u01b0\u1edbc ng\u1ecdt c\u1ee7a WWF v\u00e0 \u0111\u1ed3ng t\u00e1c gi\u1ea3 nghi\u00ean c\u1ee9u n\u00f3i tr\u00ean cho bi\u1ebft, \u0111\u00e2y l\u00e0 b\u1ea3n \u0111\u1ed3 \u0111\u1ea7u ti\u00ean cho ph\u00e9p ch\u00fang ta \u01b0u ti\u00ean v\u00e0 b\u1ea3o v\u1ec7 nh\u1eefng d\u00f2ng s\u00f4ng c\u00f2n ch\u1ea3y t\u1ef1 do tr\u00ean th\u1ebf gi\u1edbi, b\u1edfi ch\u00fang l\u00e0 ngu\u1ed3n s\u1ed1ng cho c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt hoang d\u00e3 v\u00e0 con ng\u01b0\u1eddi. C\u00e1c d\u00f2ng s\u00f4ng cung c\u1ea5p ngu\u1ed3n l\u1ee3i \u0111a d\u1ea1ng nh\u01b0ng ch\u00fang th\u01b0\u1eddng b\u1ecb \u0111\u1ecbnh gi\u00e1 th\u1ea5p v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c coi tr\u1ecdng. C\u00e1c nh\u00e0 khoa h\u1ecdc ra quy\u1ebft \u0111\u1ecbnh c\u1ea7n ph\u1ea3i xem x\u00e9t to\u00e0n b\u1ed9 gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c con s\u00f4ng khi quy ho\u1ea1ch c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng.<\/p>\n\n\n\n<p>C\u00e1c d\u00f2ng s\u00f4ng kh\u1ecfe m\u1ea1nh l\u00e0m d\u1ed3i d\u00e0o ngu\u1ed3n c\u00e1, gi\u00fap c\u1ea3i thi\u1ec7n an ninh l\u01b0\u01a1ng th\u1ef1c cho h\u00e0ng tri\u1ec7u ng\u01b0\u1eddi, b\u1ed3i \u0111\u1eafp ph\u00f9 sa gi\u00fap c\u00e1c \u0111\u1ed3ng b\u1eb1ng kh\u00f4ng b\u1ecb ch\u00ecm d\u01b0\u1edbi m\u1ef1c n\u01b0\u1edbc bi\u1ec3n, gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u0169 l\u1ee5t v\u00e0 h\u1ea1n h\u00e1n, ng\u0103n m\u1ea5t m\u00e1t c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 x\u00f3i m\u00f2n, h\u1ed7 tr\u1ee3 s\u1ef1 gi\u00e0u c\u00f3 c\u1ee7a \u0111a d\u1ea1ng sinh h\u1ecdc. S\u1ef1 k\u1ebft n\u1ed1i c\u1ee7a c\u00e1c con s\u00f4ng khi b\u1ecb ng\u1eaft m\u1ea1ch s\u1ebd d\u1eabn t\u1edbi l\u00e0m suy gi\u1ea3m ho\u1eb7c th\u1eadm ch\u00ed l\u00e0m m\u1ea5t \u0111i nh\u1eefng gi\u00e1 tr\u1ecb h\u1ec7 sinh th\u00e1i thi\u1ebft y\u1ebfu n\u00e0y.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nghi\u00ean c\u1ee9u m\u1edbi nh\u1ea5t v\u1ec1 t\u00ecnh tr\u1ea1ng k\u1ebft n\u1ed1i c\u1ee7a c\u00e1c con s\u00f4ng do 34 nh\u00e0 khoa h\u1ecdc \u0111\u1ebfn t\u1eeb \u0110\u1ea1i h\u1ecdc McGill, WWF c\u00f9ng c\u00e1c t\u1ed5 ch\u1ee9c nghi\u00ean c\u1ee9u kh\u00e1c v\u1eeba c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed&nbsp;Nature&nbsp;ng\u00e0y 9\/5 cho th\u1ea5y, trong s\u1ed1 246 con s\u00f4ng d\u00e0i nh\u1ea5t tr\u00ean th\u1ebf gi\u1edbi ch\u1ec9 c\u00f2n 37% trong s\u1ed1 [&hellip;]<\/p>\n","protected":false},"author":25,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28343","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28343","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=28343"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28343\/revisions"}],"predecessor-version":[{"id":28345,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28343\/revisions\/28345"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28343"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28343"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28343"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}