{"id":13199,"date":"2019-07-19T12:56:34","date_gmt":"2019-07-19T12:56:34","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=13199"},"modified":"2019-07-19T12:56:34","modified_gmt":"2019-07-19T12:56:34","slug":"invasive-snakeheads-threaten-potomac-ecosystem","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/ecology-and-conservation\/invasive-snakeheads-threaten-potomac-ecosystem\/","title":{"rendered":"C\u00e1 \u0111\u1ea7u r\u1eafn ph\u01b0\u01a1ng B\u1eafc: K\u1ebb s\u0103n m\u1ed3i x\u00e2m l\u1ea5n \u0111e d\u1ecda h\u1ec7 sinh th\u00e1i s\u00f4ng Potomac"},"content":{"rendered":"

C\u00e1 \u0111\u1ea7u r\u1eafn ph\u01b0\u01a1ng B\u1eafc: K\u1ebb s\u0103n m\u1ed3i x\u00e2m l\u1ea5n \u0111e d\u1ecda h\u1ec7 sinh th\u00e1i s\u00f4ng Potomac<\/h2>\n\n

Lo\u00e0i x\u00e2m l\u1ea5n: M\u1ed9t v\u1ea5n \u0111\u1ec1 to\u00e0n c\u1ea7u<\/h2>\n\n

Lo\u00e0i x\u00e2m l\u1ea5n l\u00e0 nh\u1eefng lo\u00e0i th\u1ef1c v\u1eadt ho\u1eb7c \u0111\u1ed9ng v\u1eadt kh\u00f4ng ph\u1ea3i b\u1ea3n \u0111\u1ecba \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u1ed9t khu v\u1ef1c b\u00ean ngo\u00e0i ph\u1ea1m vi ph\u00e2n b\u1ed1 t\u1ef1 nhi\u00ean c\u1ee7a ch\u00fang, th\u01b0\u1eddng l\u00e0 th\u00f4ng qua c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi. Nh\u1eefng lo\u00e0i n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng t\u00e1c \u0111\u1ed9ng t\u00e0n ph\u00e1 \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 sinh th\u00e1i b\u1ea3n \u0111\u1ecba, c\u1ea1nh tranh v\u1edbi c\u00e1c lo\u00e0i b\u1ea3n \u0111\u1ecba \u0111\u1ec3 gi\u00e0nh ngu\u1ed3n t\u00e0i nguy\u00ean, l\u00e2y lan b\u1ec7nh t\u1eadt v\u00e0 l\u00e0m thay \u0111\u1ed5i m\u00f4i tr\u01b0\u1eddng s\u1ed1ng.<\/p>\n\n

C\u00e1 \u0111\u1ea7u r\u1eafn ph\u01b0\u01a1ng B\u1eafc: K\u1ebb x\u00e2m l\u01b0\u1ee3c \u0111\u00e1ng g\u1eddm<\/h2>\n\n

C\u00e1 \u0111\u1ea7u r\u1eafn ph\u01b0\u01a1ng B\u1eafc l\u00e0 m\u1ed9t lo\u00e0i c\u00e1 s\u0103n m\u1ed3i h\u00e1u \u0103n c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb m\u1ed9t s\u1ed1 v\u00f9ng c\u1ee7a Ch\u00e2u \u00c1. Ch\u00fang \u0111\u00e3 \u0111\u01b0\u1ee3c du nh\u1eadp v\u00e0o Hoa K\u1ef3 th\u00f4ng qua vi\u1ec7c th\u1ea3 nh\u1eefng con c\u00e1 c\u1ea3nh \u0111\u00e3 nu\u00f4i trong h\u1ed3 c\u00e1 v\u00e0 k\u1ec3 t\u1eeb \u0111\u00f3 \u0111\u00e3 \u0111\u1ecbnh c\u01b0 t\u1ea1i m\u1ed9t s\u1ed1 tuy\u1ebfn \u0111\u01b0\u1eddng th\u1ee7y, bao g\u1ed3m c\u1ea3 s\u00f4ng Potomac. C\u00e1 \u0111\u1ea7u r\u1eafn \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi h\u00e0nh vi hung d\u1eef, k\u00edch th\u01b0\u1edbc l\u1edbn v\u00e0 kh\u1ea3 n\u0103ng s\u1ed1ng s\u00f3t trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng s\u1ed1ng kh\u00e1c nhau.<\/p>\n\n

T\u00e1c \u0111\u1ed9ng sinh th\u00e1i c\u1ee7a c\u00e1 \u0111\u1ea7u r\u1eafn \u1edf s\u00f4ng Potomac<\/h2>\n\n

Vi\u1ec7c du nh\u1eadp c\u00e1 \u0111\u1ea7u r\u1eafn ph\u01b0\u01a1ng B\u1eafc v\u00e0o s\u00f4ng Potomac \u0111\u00e3 l\u00e0m d\u1ea5y l\u00ean m\u1ed1i lo ng\u1ea1i c\u1ee7a c\u00e1c nh\u00e0 sinh th\u00e1i h\u1ecdc v\u00e0 nh\u1eefng ng\u01b0\u1eddi qu\u1ea3n l\u00fd ngh\u1ec1 c\u00e1. C\u00e1 \u0111\u1ea7u r\u1eafn \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 lo\u00e0i s\u0103n b\u1eaft c\u00e1c lo\u00e0i c\u00e1 b\u1ea3n \u0111\u1ecba, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1 v\u01b0\u1ee3c mi\u1ec7ng r\u1ed9ng v\u00e0 c\u00e1 tr\u00edch, v\u1ed1n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u1ea3 ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1nh b\u1eaft c\u00e1 gi\u1ea3i tr\u00ed v\u00e0 th\u01b0\u01a1ng m\u1ea1i. Ch\u00fang c\u0169ng c\u00f3 th\u1ec3 ph\u00e1 v\u1ee1 chu\u1ed7i th\u1ee9c \u0103n b\u1eb1ng c\u00e1ch c\u1ea1nh tranh v\u1edbi c\u00e1c lo\u00e0i s\u0103n m\u1ed3i b\u1ea3n \u0111\u1ecba \u0111\u1ec3 gi\u00e0nh ngu\u1ed3n t\u00e0i nguy\u00ean.<\/p>\n\n

Gi\u00e1m s\u00e1t v\u00e0 qu\u1ea3n l\u00fd<\/h2>\n\n

C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111ang theo d\u00f5i ch\u1eb7t ch\u1ebd qu\u1ea7n th\u1ec3 c\u00e1 \u0111\u1ea7u r\u1eafn \u1edf s\u00f4ng Potomac \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00e1c \u0111\u1ed9ng sinh th\u00e1i c\u1ee7a ch\u00fang. C\u00e1c k\u1ef9 thu\u1eadt nh\u01b0 \u0111i\u1ec7n \u0111\u00e1nh b\u1eaft c\u00e1, ph\u00e2n t\u00edch di truy\u1ec1n v\u00e0 c\u00e1c k\u1ef9 thu\u1eadt kh\u00e1c \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 theo d\u00f5i s\u1ef1 l\u00e2y lan c\u1ee7a c\u00e1 \u0111\u1ea7u r\u1eafn v\u00e0 x\u00e1c \u0111\u1ecbnh t\u1ef7 l\u1ec7 sinh s\u1ea3n th\u00e0nh c\u00f4ng c\u1ee7a ch\u00fang.<\/p>\n\n

S\u1ef1 v\u00e0o cu\u1ed9c c\u1ee7a c\u1ed9ng \u0111\u1ed3ng<\/h2>\n\n

Nh\u1eadn th\u1ee9c v\u00e0 s\u1ef1 v\u00e0o cu\u1ed9c c\u1ee7a c\u1ed9ng \u0111\u1ed3ng \u0111\u00f3ng vai tr\u00f2 r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c ng\u0103n ch\u1eb7n s\u1ef1 l\u00e2y lan c\u1ee7a c\u00e1c lo\u00e0i x\u00e2m l\u1ea5n. Nh\u1eefng ng\u01b0\u1eddi c\u00e2u c\u00e1 v\u00e0 ch\u00e8o thuy\u1ec1n n\u00ean nh\u1eadn bi\u1ebft c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m nh\u1eadn d\u1ea1ng c\u1ee7a c\u00e1 \u0111\u1ea7u r\u1eafn v\u00e0 b\u00e1o c\u00e1o b\u1ea5t k\u1ef3 th\u00f4ng tin n\u00e0o v\u1ec1 vi\u1ec7c nh\u00ecn th\u1ea5y ch\u00fang cho c\u00e1c c\u00e1n b\u1ed9 b\u1ea3o v\u1ec7 \u0111\u1ed9ng v\u1eadt hoang d\u00e3. Vi\u1ec7c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch nh\u1eefng con c\u00e1 c\u1ea3nh kh\u00f4ng mong mu\u1ed1n c\u0169ng r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c ch\u00fang b\u1ecb th\u1ea3 v\u00e0o c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng th\u1ee7y t\u1ef1 nhi\u00ean.<\/p>\n\n

T\u00e1c \u0111\u1ed9ng l\u00e2u d\u00e0i v\u00e0 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3n l\u00fd<\/h2>\n\n

T\u00e1c \u0111\u1ed9ng l\u00e2u d\u00e0i c\u1ee7a c\u00e1 \u0111\u1ea7u r\u1eafn ph\u01b0\u01a1ng B\u1eafc \u0111\u1ed1i v\u1edbi h\u1ec7 sinh th\u00e1i s\u00f4ng Potomac v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c bi\u1ebft r\u00f5. C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111ang nghi\u00ean c\u1ee9u \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3 nh\u1eb1m ki\u1ec3m so\u00e1t qu\u1ea7n th\u1ec3 c\u00e1 \u0111\u1ea7u r\u1eafn v\u00e0 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng sinh th\u00e1i c\u1ee7a ch\u00fang. Nh\u1eefng chi\u1ebfn l\u01b0\u1ee3c n\u00e0y c\u00f3 th\u1ec3 bao g\u1ed3m \u0111\u00e1nh b\u1eaft c\u00f3 m\u1ee5c ti\u00eau, c\u1ea3i t\u1ea1o m\u00f4i tr\u01b0\u1eddng s\u1ed1ng v\u00e0 c\u00e1c chi\u1ebfn d\u1ecbch gi\u00e1o d\u1ee5c c\u1ed9ng \u0111\u1ed3ng.<\/p>\n\n

So s\u00e1nh v\u1edbi c\u00e1c lo\u00e0i x\u00e2m l\u1ea5n kh\u00e1c<\/h2>\n\n

C\u00e1 \u0111\u1ea7u r\u1eafn ph\u01b0\u01a1ng B\u1eafc kh\u00f4ng ph\u1ea3i l\u00e0 lo\u00e0i x\u00e2m l\u1ea5n duy nh\u1ea5t \u0111e d\u1ecda h\u1ec7 sinh th\u00e1i s\u00f4ng Potomac. C\u00e1c lo\u00e0i kh\u00f4ng ph\u1ea3i b\u1ea3n \u0111\u1ecba kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1 ch\u00e9p, c\u00e1 v\u00e0ng v\u00e0 c\u00e1 tr\u00ea xanh, c\u0169ng \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o s\u00f4ng v\u00e0 g\u00e2y ra nh\u1eefng t\u00e1c \u0111\u1ed9ng sinh th\u00e1i \u1edf c\u00e1c m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau. Vi\u1ec7c hi\u1ec3u \u0111\u01b0\u1ee3c nh\u1eefng r\u1ee7i ro do c\u00e1c lo\u00e0i x\u00e2m l\u1ea5n g\u00e2y ra v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3 l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe v\u00e0 \u0111a d\u1ea1ng sinh h\u1ecdc c\u1ee7a s\u00f4ng Potomac v\u00e0 c\u00e1c h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc kh\u00e1c.<\/p>\n\n

K\u1ebft lu\u1eadn<\/h2>\n\n

Vi\u1ec7c c\u00e1 \u0111\u1ea7u r\u1eafn ph\u01b0\u01a1ng B\u1eafc x\u00e2m l\u01b0\u1ee3c s\u00f4ng Potomac nh\u1ea5n m\u1ea1nh m\u1ed1i \u0111e d\u1ecda ng\u00e0y c\u00e0ng gia t\u0103ng do c\u00e1c lo\u00e0i x\u00e2m l\u1ea5n g\u00e2y ra tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. B\u1eb1ng c\u00e1ch hi\u1ec3u \u0111\u01b0\u1ee3c t\u00e1c \u0111\u1ed9ng sinh th\u00e1i c\u1ee7a nh\u1eefng lo\u00e0i s\u0103n m\u1ed3i n\u00e0y, th\u1ef1c hi\u1ec7n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3n l\u00fd ch\u1ee7 \u0111\u1ed9ng v\u00e0 khuy\u1ebfn kh\u00edch s\u1ef1 v\u00e0o cu\u1ed9c c\u1ee7a c\u1ed9ng \u0111\u1ed3ng trong c\u00e1c n\u1ed7 l\u1ef1c ph\u00f2ng ng\u1eeba, ch\u00fang ta c\u00f3 th\u1ec3 chung tay b\u1ea3o v\u1ec7 c\u00e1c h\u1ec7 sinh th\u00e1i b\u1ea3n \u0111\u1ecba v\u00e0 g\u00ecn gi\u1eef gi\u00e1 tr\u1ecb gi\u1ea3i tr\u00ed v\u00e0 kinh t\u1ebf c\u1ee7a s\u00f4ng Potomac.<\/p>","protected":false},"excerpt":{"rendered":"

C\u00e1 \u0111\u1ea7u r\u1eafn ph\u01b0\u01a1ng B\u1eafc: K\u1ebb s\u0103n m\u1ed3i x\u00e2m l\u1ea5n \u0111e d\u1ecda h\u1ec7 sinh th\u00e1i s\u00f4ng Potomac Lo\u00e0i x\u00e2m l\u1ea5n: M\u1ed9t v\u1ea5n \u0111\u1ec1 to\u00e0n c\u1ea7u Lo\u00e0i x\u00e2m l\u1ea5n l\u00e0 nh\u1eefng…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1142],"tags":[401,395,286,17792,219,17793],"class_list":["post-13199","post","type-post","status-publish","format-standard","hentry","category-ecology-and-conservation","tag-conservation","tag-biodiversity","tag-invasive-species","tag-northern-snakeheads","tag-ecology","tag-potomac-river"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/13199","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=13199"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/13199\/revisions"}],"predecessor-version":[{"id":13200,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/13199\/revisions\/13200"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=13199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=13199"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=13199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}