{"id":468,"date":"2005-07-16T05:13:42","date_gmt":"2005-07-16T05:13:42","guid":{"rendered":"http:\/\/vafs.dungnq.local\/2005\/07\/16\/phan-vung-phong-ho-vung-cat-ven-bien-bac-trung-bo-2\/"},"modified":"2013-10-07T11:17:54","modified_gmt":"2013-10-07T04:17:54","slug":"phan-vung-phong-ho-vung-cat-ven-bien-bac-trung-bo-2","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/phan-vung-phong-ho-vung-cat-ven-bien-bac-trung-bo-2\/","title":{"rendered":"Ph\u00e2n v\u00f9ng ph\u00f2ng h\u1ed9 v\u00f9ng c\u00e1t ven bi\u1ec3n b\u1eafc trung b\u1ed9"},"content":{"rendered":"<p align=\"right\"><b><i>\u0110\u1eb7ng V\u0103n Thuy\u1ebft<\/i><\/b><\/p>\n<h1 align=\"right\"><span style=\"font-size: small\"><i>Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/i> <\/span><\/h1>\n<p align=\"right\">\n<p>&nbsp;<\/p>\n<p>Do \u0111\u1ecba h\u00ecnh ph\u1ee9c t\u1ea1p, \u0111\u1ea5t c\u00e1t ven bi\u1ec3n t\u1ed3n t\u1ea1i \u1edf d\u1ea1ng \u0111\u1ee5n c\u00e1t, c\u1ed3n c\u00e1t v\u00e0 b\u00e3i c\u00e1t v\u1edbi \u0111\u1ecba m\u1ea1o kh\u00e1c nhau; \u0111\u1ea5t c\u00e1t kh\u00f4, r\u1eddi r\u1ea1c, d\u1ec5 b\u1ecb di \u0111\u1ed9ng do gi\u00f3 th\u1ed5i v\u00e0 n\u01b0\u1edbc ch\u1ea3y k\u00e9o c\u00e1t tr\u00f4i. V\u00ec v\u1eady, v\u00f9ng c\u00e1t ven bi\u1ec3n B\u1eafc Trung b\u1ed9 l\u00e0 v\u00f9ng \u0111\u1ea5t \u0111\u00e3 v\u00e0 \u0111ang b\u1ecb sa m\u1ea1c ho\u00e1 do n\u1ea1n c\u00e1t di \u0111\u1ed9ng nh\u01b0ng m\u1ed7i ph\u00e2n v\u00f9ng l\u1ea1i c\u00f3 m\u1ee9c \u0111\u1ed9 xung y\u1ebfu kh\u00e1c nhau. B\u00e0i vi\u1ebft n\u00e0y nh\u1eb1m \u0111\u01b0a ra nh\u1eefng c\u01a1 s\u1edf ph\u00e2n chia v\u00e0 k\u1ebft qu\u1ea3 ph\u00e2n v\u00f9ng ph\u00f2ng h\u1ed9 theo m\u1ee9c \u0111\u1ed9 xung y\u1ebfu cho v\u00f9ng c\u00e1t ven bi\u1ec3n, gi\u00fap c\u00e1c \u0111\u1ecba ph\u01b0\u01a1ng x\u00e2y d\u1ef1ng k\u1ebf ho\u1ea1ch, quy ho\u1ea1ch v\u00e0 c\u00f3 gi\u1ea3i ph\u00e1p ph\u00e1t tri\u1ec3n kinh t\u1ebf v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng trong v\u00f9ng \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao.<\/p>\n<p>&nbsp;<\/p>\n<p><b>1. C\u01a1 s\u1edf ph\u00e2n v\u00f9ng ph\u00f2ng h\u1ed9:<\/b><\/p>\n<p>Ph\u00e2n v\u00f9ng ph\u00f2ng h\u1ed9 v\u00f9ng c\u00e1t ven bi\u1ec3n theo m\u1ee9c \u0111\u1ed9 xung y\u1ebfu \u0111\u01b0\u1ee3c d\u1ef1a v\u00e0o t\u00ednh ch\u1ea5t g\u00e2y h\u1ea1i v\u00e0 b\u1ecb h\u1ea1i do ngu\u1ed3n \u0111\u1ed9ng l\u1ef1c l\u00e0 gi\u00f3 v\u00e0 n\u01b0\u1edbc, m\u1ee9c \u0111\u1ed9 nguy hi\u1ec3m t\u1edbi v\u1ecb tr\u00ed c\u1ee7a \u0111\u1ecba b\u00e0n do c\u00e1t di \u0111\u1ed9ng g\u00e2y ra.<\/p>\n<p>&nbsp;<\/p>\n<p><b><i>a. <\/i><\/b><b><i>Chu<\/i><\/b><b><i>tr\u00ecnh di \u0111\u1ed9ng c\u1ee7a c\u00e1t<\/i><\/b><b>:<\/b><\/p>\n<p>C\u00e1t di \u0111\u1ed9ng ch\u1ee7 y\u1ebfu do 3 ngu\u1ed3n \u0111\u1ed9ng l\u1ef1c l\u00e0 gi\u00f3, n\u01b0\u00ad\u1edbc v\u00e0 s\u00f3ng. Gi\u00f3 th\u1ed5i c\u00e1t bay t\u1ea1o th\u00e0nh c\u00e1c \u0111\u1ee5n c\u00e1t; n\u01b0\u00ad\u1edbc ch\u1ea3y k\u00e9o c\u00e1t tr\u00f4i th\u00e0nh su\u1ed1i c\u00e1t ph\u1ea7n th\u00ec l\u1ea5p l\u1ea5n \u0111\u1ed3ng ru\u1ed9ng, ph\u1ea7n th\u00ec \u0111\u00ad\u01b0a ra bi\u1ec3n, s\u00f4ng; s\u00f3ng v\u1ed7 b\u1edd \u0111\u01b0\u00ada c\u00e1t v\u00e0o b\u1edd; gi\u00f3 l\u1ea1i th\u1ed5i c\u00e1t bay t\u1ea1o th\u00e0nh \u0111\u1ee5n c\u00e1t.<\/p>\n<p>G\u1eafn v\u1edbi chu tr\u00ecnh di \u0111\u1ed9ng c\u00e1t, gi\u00f3 v\u00e0 n\u00ad\u01b0\u1edbc l\u00e0 \u0111\u1ed9ng l\u1ef1c g\u00e2y nguy h\u1ea1i ch\u1ee7 y\u1ebfu th\u00f4ng qua n\u1ea1n c\u00e1t bay v\u00e0 c\u00e1t tr\u00f4i.<\/p>\n<p>&nbsp;<\/p>\n<p><b><i>b. \u0110\u1ed9ng th\u00e1i c\u00e1t bay, c\u00e1t tr\u00f4i: <\/i><\/b><\/p>\n<p>Gi\u00f3 th\u1ed5i c\u00e1t bay theo 2 m\u00f9a: M\u00f9a m\u01b0\u00ada b\u00e3o c\u00f3 gi\u00f3 h\u1ea1i ch\u00ednh l\u00e0 gi\u00f3 \u0110\u00f4ng B\u1eafc v\u1edbi t\u1ed1c \u0111\u1ed9 cao, t\u1eebng \u0111\u1ee3t \u0111\u00ad\u01b0a c\u00e1t v\u00e0o ph\u00eda \u0111\u1ea5t li\u1ec1n v\u00e0 gi\u00f3 T\u00e2y B\u1eafc t\u1ed1c \u0111\u1ed9 kh\u00f4ng cao nh\u01b0\u00adng th\u1ed5i th\u01b0\u1eddng xuy\u00ean c\u00e1t d\u1ecbch chuy\u1ec3n v\u1ec1 ph\u00eda \u0110\u00f4ng Nam theo h\u01b0\u00ad\u1edbng h\u00ecnh th\u1ec3 c\u1ee7a khu v\u1ef1c.<\/p>\n<p>M\u00f9a kh\u00f4 n\u00f3ng c\u00f3 gi\u00f3 h\u1ea1i ch\u00ednh l\u00e0 T\u00e2y Namth\u1ed5i ng\u00ad\u01b0\u1ee3c l\u1ea1i \u0111\u01b0\u00ada c\u00e1t l\u00f9i ra bi\u1ec3n nh\u00ad\u01b0ng ch\u1eadm h\u01a1n v\u00e0 gi\u00f3 \u0110\u00f4ng Namt\u1ed1c \u0111\u1ed9 kh\u00f4ng cao nh\u01b0\u00adng th\u1ed5i th\u00ad\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u00ada c\u00e1t d\u1ecbch chuy\u1ec3n v\u1ec1 h\u01b0\u00ad\u1edbng T\u00e2y B\u1eafc. Do v\u1eady, n\u1ebfu nh\u01b0\u00ad hai h\u01b0\u00ad\u1edbng gi\u00f3 h\u1ea1i ch\u00ednh \u0110\u00f4ng B\u1eafc v\u00e0 T\u00e2y Namt\u1ea1o ra c\u00e1c \u0111\u1ee5n c\u00e1t di \u0111\u1ed9ng ch\u1ea1y d\u1ecdc theo h\u00ad\u01b0\u1edbng T\u00e2y B\u1eafc &#8211; \u0110\u00f4ng Namth\u00ec hai h\u00ad\u01b0\u1edbng gi\u00f3 th\u1ecbnh h\u00e0nh T\u00e2y B\u1eafc v\u00e0 \u0110\u00f4ng Namt\u1ea1o ra c\u00e1c \u0111\u1ee5n c\u00e1t di \u0111\u1ed9ng ch\u1eafn ngang theo h\u01b0\u00ad\u1edbng \u0110\u00f4ng B\u1eafc \u2013 T\u00e2y Nam.<\/p>\n<p>M\u00ad\u01b0a t\u1eadp trung trong m\u00f9a m\u01b0\u00ada b\u00e3o t\u1ea1o n\u00ean d\u00f2ng ch\u1ea3y m\u1eb7t theo chi\u1ec1u d\u1ed1c v\u00e0 s\u00e1t m\u1eb7t \u0111\u1ea5t theo chi\u1ec1u ngang k\u00e9o theo c\u00e1t d\u1ed3n v\u00e0o su\u1ed1i \u0111\u00ad\u01b0a v\u1ec1 n\u1ed9i \u0111\u1ed3ng ho\u1eb7c chuy\u1ec3n ra bi\u1ec3n. C\u00e1t r\u1eddi r\u1ea1c kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng d\u00ednh k\u1ebft v\u1edbi s\u1ee9c gi\u1eef n\u01b0\u00ad\u1edbc k\u00e9m n\u00ean d\u1ec5 d\u00e0ng b\u1ecb n\u00ad\u01b0\u1edbc cu\u1ed1n tr\u00f4i, nh\u1ea5t l\u00e0 n\u01a1i kh\u00f4ng c\u00f3 l\u1edbp ph\u1ee7 th\u1ef1c v\u1eadt, d\u1ed1c m\u1ea1nh, ven khe su\u1ed1i \u0111\u00e3 t\u1ea1o th\u00e0nh c\u00e1c su\u1ed1i c\u00e1t l\u00e0 n\u01a1i g\u00e2y h\u1ea1i nguy hi\u1ec3m nh\u1ea5t.<\/p>\n<p>&nbsp;<\/p>\n<p><b><i>c. X\u00e1c \u0111\u1ecbnh c\u00e1c \u0111\u1ecba b\u00e0n xung y\u1ebfu.<\/i><\/b><\/p>\n<p>K\u1ebft qu\u1ea3 \u0111i\u1ec1u tra, t\u1ed5ng h\u1ee3p \u0111\u00ad\u01b0\u1ee3c 4 d\u1ea1ng \u0111\u1ecba b\u00e0n xung y\u1ebfu tr\u00ean v\u00f9ng c\u00e1t ven bi\u1ec3n B\u1eafc Trung b\u1ed9 l\u00e0 \u0111\u1ee5n c\u00e1t bay, su\u1ed1i c\u00e1t tr\u00f4i, n\u01a1i \u0111\u00f3n h\u00ad\u01b0\u1edbng gi\u00f3 ch\u00ednh v\u00e0 c\u00e1c khu d\u00e2n c\u01b0:<\/p>\n<p>&nbsp;<\/p>\n<p><b><i>(1) \u0110\u1ee5n c\u00e1t bay.<\/i><\/b><\/p>\n<p>\u0110\u1ee5n b\u00e3i c\u00e1t m\u1edbi h\u00ecnh th\u00e0nh ven bi\u1ec3n v\u00e0 \u0111\u1ee5n b\u00e3i c\u00e1t di \u0111\u1ed9ng th\u1ee9 sinh \u1edf v\u00f9ng gi\u1eefa l\u00e0 n\u01a1i b\u1ea5t \u1ed5n \u0111\u1ecbnh. \u0110\u00e2y l\u00e0 ngu\u1ed3n cung c\u1ea5p c\u00e1t di \u0111\u1ed9ng cho c\u1ea3 hai h\u00ecnh th\u1ee9c c\u00e1t bay v\u00e0 c\u00e1t tr\u00f4i theo m\u1ed9t chu tr\u00ecnh g\u1ea7n kh\u00e9p k\u00edn v\u1edbi s\u1ef1 t\u00e1c \u0111\u1ed9ng c\u1ee7a 3 ngu\u1ed3n \u0111\u1ed9ng l\u1ef1c ch\u00ednh l\u00e0 gi\u00f3 th\u1ed5i, n\u00ad\u01b0\u1edbc ch\u1ea3y v\u00e0 s\u00f3ng x\u00f4. V\u00ec v\u1eady, c\u00e1c \u0111\u1ee5n, c\u1ed3n c\u00e1t di \u0111\u1ed9ng l\u00e0 v\u00f9ng g\u00e2y h\u1ea1i xung y\u1ebfu nh\u1ea5t \u0111\u1ed1i v\u1edbi n\u1ea1n c\u00e1t bay.<\/p>\n<p>&nbsp;<\/p>\n<p><b><i>(2) Su\u1ed1i c\u00e1t tr\u00f4i.<\/i><\/b><\/p>\n<p>Su\u1ed1i c\u00e1t l\u00e0 n\u01a1i t\u1ee5 thu\u1ef7 thu n\u01b0\u00ad\u1edbc t\u1eeb v\u00f9ng chia n\u01b0\u00ad\u1edbc c\u0169ng l\u00e0 v\u00f9ng cao, v\u00f9ng gi\u1eefa m\u00e0 ph\u1ea7n l\u1edbn l\u00e0 \u0111\u1ee5n c\u00e1t di \u0111\u1ed9ng th\u1ee9 sinh. Do m\u01b0\u00ada l\u1edbn v\u00e0 t\u1eadp trung, d\u00f2ng ch\u1ea3y m\u1ea1nh cu\u1ed1n theo c\u00e1t r\u1eddi r\u1ea1c kh\u00f4ng c\u00f3 s\u1ee9c k\u1ebft d\u00ednh l\u00e0m c\u00e1t di chuy\u1ec3n g\u00e2y n\u00ean n\u1ea1n c\u00e1t tr\u00f4i. C\u00e1c l\u00ad\u01b0u v\u1ef1c su\u1ed1i c\u00e1t, \u0111\u1eb7c bi\u1ec7t hai b\u00ean b\u1edd su\u1ed1i l\u00e0 v\u00f9ng xung y\u1ebfu nguy hi\u1ec3m nh\u1ea5t g\u00e2y h\u1ea1i c\u00e1t tr\u00f4i. V\u00ec v\u1eady, t\u00e1c d\u1ee5ng ch\u1ed1ng c\u00e1t tr\u00f4i ch\u1ec9 c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf ho\u1eb7c ng\u0103n ch\u1eb7n khi t\u1ea1o l\u1eadp \u0111\u00ad\u01b0\u1ee3c c\u00e1c th\u1ea3m xanh ven su\u1ed1i c\u00e1t.<\/p>\n<p>&nbsp;<\/p>\n<p><b><i>(3)<\/i><\/b><b><i>N\u01a1i \u0111\u00f3n h\u00ad\u01b0\u1edbng gi\u00f3 ch\u00ednh:<\/i><\/b><\/p>\n<p>\u1ee9ng v\u1edbi 2 m\u00f9a c\u1ee7a khu v\u1ef1c c\u00f3 2 h\u01b0\u00ad\u1edbng gi\u00f3: M\u00f9a m\u01b0\u00ada c\u00f3 gi\u00f3 m\u1ea1nh, t\u1eebng \u0111\u1ee3t \u0110\u00f4ng B\u1eafc v\u00e0 gi\u00f3 y\u1ebfu, th\u00ad\u01b0\u1eddng xuy\u00ean T\u00e2y B\u1eafc v\u00e0 m\u00f9a kh\u00f4 n\u00f3ng c\u00f3 gi\u00f3 m\u1ea1nh, t\u1eebng \u0111\u1ee3t T\u00e2y Nam v\u00e0 gi\u00f3 y\u1ebfu, th\u00ad\u01b0\u1eddng xuy\u00ean \u0110\u00f4ng Nam.<\/p>\n<p>T\u00e1c d\u1ee5ng ph\u00f2ng h\u1ed9 ch\u1eafn gi\u00f3 ch\u1ec9 c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf ho\u1eb7c ng\u0103n ch\u1eb7n khi t\u1ea1o l\u1eadp \u0111\u01b0\u00ad\u1ee3c h\u1ec7 th\u1ed1ng \u0111ai r\u1eebng vu\u00f4ng g\u00f3c v\u1edbi h\u00ad\u01b0\u1edbng gi\u00f3 m\u1ea1nh v\u00e0 c\u1ea7n quan t\u00e2m \u0111\u1ebfn c\u1ea3 2 h\u01b0\u00ad\u1edbng gi\u00f3 th\u1ecbnh h\u00e0nh tuy kh\u00f4ng m\u1ea1nh nh\u00ad\u01b0ng thay \u0111\u1ed5i th\u00ad\u01b0\u1eddng xuy\u00ean trong 2 m\u00f9a.<\/p>\n<p>&nbsp;<\/p>\n<p><b><i>(4)<\/i><\/b><b><i>C\u00e1c khu d\u00e2n c\u00ad\u01b0 v\u00e0 s\u1ea3n xu\u1ea5t:<\/i><\/b><\/p>\n<p>\u0110\u00f3 l\u00e0 c\u00e1c c\u1ee5m l\u00e0ng m\u1ea1c, ru\u1ed9ng \u0111\u1ed3ng, \u0111\u00ad\u01b0\u1eddng s\u00e1, ao h\u1ed3 trong v\u00f9ng:<\/p>\n<p>L\u00e0ng m\u1ea1c d\u00e2n c\u01b0\u00ad t\u1eadp trung \u1edf r\u00eca ven bi\u1ec3n ph\u00eda \u0110\u00f4ng, l\u00e0 n\u01a1i \u0111\u00f3n gi\u00f3 h\u1ea1i ch\u00ednh \u0110\u00f4ng B\u1eafc v\u00e0 \u1edf d\u1ecdc ven ph\u00eda n\u1ed9i \u0111\u1ed3ng l\u00e0 n\u01a1i \u0111\u00f3n gi\u00f3 h\u1ea1i ch\u00ednh T\u00e2y Nam. \u0110\u00e2y l\u00e0 nh\u1eefng \u0111\u1ecba b\u00e0n lu\u00f4n b\u1ecb uy hi\u1ebfp b\u1edfi n\u1ea1n c\u00e1t bay v\u00e0 c\u00e1t tr\u00f4i.<\/p>\n<p>Ru\u1ed9ng \u0111\u1ed3ng t\u1eadp trung \u1edf ph\u00eda T\u00e2y (Ph\u00eda n\u1ed9i \u0111\u1ed3ng) v\u00e0 m\u1ed9t ph\u1ea7n \u1edf ph\u00eda \u0110\u00f4ng (Gi\u00e1p bi\u1ec3n) c\u0169ng v\u1eeba b\u1ecb uy hi\u1ebfp b\u1edfi c\u00e1t bay, v\u1eeba b\u1ecb uy hi\u1ebfp b\u1edfi c\u00e1t tr\u00f4i.<\/p>\n<p>\u0110\u01b0\u1eddng s\u00e1, ngo\u00e0i qu\u1ed1c l\u1ed9 1A c\u00f2n c\u00e1c tuy\u1ebfn \u0111\u00ad\u01b0\u1eddng t\u1ec9nh l\u1ed9, li\u00ean huy\u1ec7n, li\u00ean x\u00e3, li\u00ean th\u00f4n n\u1ed1i li\u1ec1n c\u00e1c trung t\u00e2m, c\u00e1c khu d\u00e2n c\u01b0\u00ad trong \u0111\u1ecba b\u00e0n v\u00e0 c\u00e1c tuy\u1ebfn c\u1eaft ngang ra bi\u1ec3n c\u0169ng b\u1ecb uy hi\u1ebfp b\u1edfi c\u00e1t di \u0111\u1ed9ng theo h\u01b0\u00ad\u1edbng T\u00e2y B\u1eafc &#8211; \u0110\u00f4ng Nam. \u0110\u00e2y c\u0169ng l\u00e0 nh\u1eefng n\u01a1i xung y\u1ebfu kh\u00f4ng k\u00e9m. C\u1ea7n c\u00f3 m\u1ea1ng l\u00ad\u01b0\u1edbi \u0111ai r\u1eebng k\u1ebft h\u1ee3p gi\u1eefa \u0111ai d\u1ecdc v\u00e0 \u0111ai ngang v\u1edbi nh\u1eefng c\u1ef1 ly th\u00edch h\u1ee3p \u0111\u1ec3 c\u00f3 th\u1ec3 v\u1eeba ph\u1ee5c v\u1ee5 gi\u00e3n d\u00e2n v\u00e0 \u0111\u1ecbnh c\u01b0\u00ad, \u0111\u1ecbnh canh v\u1eeba \u0111\u1ee7 s\u1ee9c ph\u00f2ng h\u1ed9 khu v\u1ef1c.<\/p>\n<p>&nbsp;<\/p>\n<p><b>2. Ph\u00e2n v\u00f9ng ph\u00f2ng h\u1ed9 xung y\u1ebfu<\/b><\/p>\n<p>V\u1eadn d\u1ee5ng t\u1ed5ng h\u1ee3p c\u00e1c y\u1ebfu t\u1ed1 t\u00e1c \u0111\u1ed9ng ch\u1ee7 \u0111\u1ea1o theo t\u00ednh ch\u1ea5t xung y\u1ebfu g\u00e2y h\u1ea1i v\u00e0 b\u1ecb h\u1ea1i v\u1edbi m\u1ee9c \u0111\u1ed9 r\u1ea5t nguy hi\u1ec3m hay \u00edt nguy hi\u1ec3m, ph\u00e2n chia th\u00e0nh 5 v\u00f9ng theo m\u1ee9c \u0111\u1ed9 xung y\u1ebfu nh\u01b0\u00ad \u1edf bi\u1ec3u 1.<\/p>\n<p>&nbsp;<\/p>\n<p align=\"center\"><b><i>Bi\u1ec3u 1: Ph\u00e2n v\u00f9ng ph\u00f2ng h\u1ed9 theo m\u1ee9c \u0111\u1ed9 nguy hi\u1ec3m v\u1ec1 g\u00e2y h\u1ea1i v\u00e0 b\u1ecb h\u1ea1i<\/i><\/b><\/p>\n<p align=\"center\">\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td rowspan=\"2\" width=\"65\">\n<p align=\"center\"><b>K\u00fd hi\u1ec7u v\u00f9ng<\/b><\/p>\n<\/td>\n<td rowspan=\"2\" width=\"343\">\n<p align=\"center\"><b>V\u00f9ng ph\u00f2ng h\u1ed9 theo m\u1ee9c \u0111\u1ed9 xung y\u1ebfu nguy hi\u1ec3m<\/b><\/p>\n<\/td>\n<td colspan=\"3\" width=\"163\">\n<p align=\"center\"><b>G\u00e2y h\u1ea1i<\/b><\/p>\n<\/td>\n<td colspan=\"3\" width=\"156\">\n<p align=\"center\"><b>B\u1ecb h\u1ea1i<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"54\">\n<p align=\"center\"><b>R\u1ea5t nguy hi\u1ec3m<\/b><\/p>\n<\/td>\n<td width=\"54\">\n<p align=\"center\"><b>Nguy hi\u1ec3m<\/b><\/p>\n<\/td>\n<td width=\"54\">\n<p align=\"center\"><b>\u00edt nguy hi\u1ec3m<\/b><\/p>\n<\/td>\n<td width=\"54\">\n<p align=\"center\"><b>R\u1ea5t nguy hi\u1ec3m<\/b><\/p>\n<\/td>\n<td width=\"54\">\n<p align=\"center\"><b>Nguy hi\u1ec3m<\/b><\/p>\n<\/td>\n<td width=\"47\">\n<p align=\"center\"><b>\u00edt nguy hi\u1ec3m<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"65\">\n<p align=\"center\">I<\/p>\n<\/td>\n<td width=\"343\">\nC\u00e1t di \u0111\u1ed9ng m\u1edbi h\u00ecnh th\u00e0nh s\u00e1t bi\u1ec3n<\/td>\n<td width=\"54\">\n<p align=\"center\">x<\/p>\n<\/td>\n<td width=\"54\">\n<p align=\"center\">\n<\/td>\n<td width=\"54\">\n<p align=\"center\">\n<\/td>\n<td width=\"54\">\n<p align=\"center\">\n<\/td>\n<td width=\"54\">\n<p align=\"center\">x<\/p>\n<\/td>\n<td width=\"47\">\n<p align=\"center\">\n<\/td>\n<\/tr>\n<tr>\n<td width=\"65\">\n<p align=\"center\">II<\/p>\n<\/td>\n<td width=\"343\">\nC\u00e1t di \u0111\u1ed9ng m\u1ea1nh \u1edf v\u00f9ng gi\u1eefa<\/td>\n<td width=\"54\">\n<p align=\"center\">x<\/p>\n<\/td>\n<td width=\"54\">\n<p align=\"center\">\n<\/td>\n<td width=\"54\">\n<p align=\"center\">\n<\/td>\n<td width=\"54\">\n<p align=\"center\">\n<\/td>\n<td width=\"54\">\n<p align=\"center\">x<\/p>\n<\/td>\n<td width=\"47\">\n<p align=\"center\">\n<\/td>\n<\/tr>\n<tr>\n<td width=\"65\">\n<p align=\"center\">III<\/p>\n<\/td>\n<td width=\"343\">\nB\u00e3i c\u1ed3n c\u00e1t c\u1ed1 \u0111\u1ecbnh l\u00e0ng m\u1ea1c d\u1ecdc bi\u1ec3n<\/td>\n<td width=\"54\">\n<p align=\"center\">\n<\/td>\n<td width=\"54\">\n<p align=\"center\">x<\/p>\n<\/td>\n<td width=\"54\">\n<p align=\"center\">\n<\/td>\n<td width=\"54\">\n<p align=\"center\">x<\/p>\n<\/td>\n<td width=\"54\">\n<p align=\"center\">\n<\/td>\n<td width=\"47\">\n<p align=\"center\">\n<\/td>\n<\/tr>\n<tr>\n<td width=\"65\">\n<p align=\"center\">IV<\/p>\n<\/td>\n<td width=\"343\">\nB\u00e3i c\u1ed3n c\u00e1t c\u1ed1 \u0111\u1ecbnh ph\u00eda trong gi\u00e1p \u0111\u1ed3ng<\/td>\n<td width=\"54\">\n<p align=\"center\">\n<\/td>\n<td width=\"54\">\n<p align=\"center\">x<\/p>\n<\/td>\n<td width=\"54\">\n<p align=\"center\">\n<\/td>\n<td width=\"54\">\n<p align=\"center\">x<\/p>\n<\/td>\n<td width=\"54\">\n<p align=\"center\">\n<\/td>\n<td width=\"47\">\n<p align=\"center\">\n<\/td>\n<\/tr>\n<tr>\n<td width=\"65\">\n<p align=\"center\">V<\/p>\n<\/td>\n<td width=\"343\">\nB\u00e3i c\u1ed3n c\u00e1t th\u1ea5p, c\u1ed1 \u0111\u1ecbnh ph\u1ee7 \u0111an xen<\/td>\n<td width=\"54\">\n<p align=\"center\">\n<\/td>\n<td width=\"54\">\n<p align=\"center\">\n<\/td>\n<td width=\"54\">\n<p align=\"center\">x<\/p>\n<\/td>\n<td width=\"54\">\n<p align=\"center\">\n<\/td>\n<td width=\"54\">\n<p align=\"center\">\n<\/td>\n<td width=\"47\">\n<p align=\"center\">x<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><b><i>a.<\/i><\/b><b><i>V\u00f9ng c\u00e1t di \u0111\u1ed9ng m\u1edbi h\u00ecnh th\u00e0nh s\u00e1t bi\u1ec3n (\u1edf ngo\u00e0i) (I).<\/i><\/b><\/p>\n<p>G\u1ed3m c\u00e1c b\u00e3i c\u00e1t kh\u00f4 li\u00ean t\u1ee5c s\u00e1t bi\u1ec3n \u1edf b\u1eadc th\u1ec1m cao tho\u00e1t t\u1ea7m kh\u1ed1ng ch\u1ebf c\u1ee7a m\u1ef1c s\u00f3ng v\u1ed7 b\u1edd v\u00e0 nh\u1eefng \u0111\u1ee5n c\u00e1t kh\u00f4ng li\u00ean t\u1ee5c cao 10-15m \u0111\u00ad\u01b0\u1ee3c h\u00ecnh th\u00e0nh do s\u1ef1 t\u00edch \u0111\u1ecdng b\u1edfi gi\u00f3 th\u1ed5i c\u00e1t kh\u00f4 t\u1eeb c\u00e1c b\u00e3i c\u00e1t \u0111\u00f3 khi g\u1eb7p ch\u00ad\u01b0\u1edbng ng\u1ea1i v\u1eadt t\u1ea1o n\u00ean.<\/p>\n<p>C\u00e1c \u0111\u1ee5n, b\u00e3i c\u00e1t n\u00e0y n\u1eb1m \u1edf v\u1ecb tr\u00ed tuy\u1ebfn \u0111\u1ea7u \u0111\u00f3n gi\u00f3 gi\u00e1p bi\u1ec3n n\u00ean th\u00ad\u01b0\u1eddng b\u1ecb di \u0111\u1ed9ng r\u1ea5t m\u1ea1nh uy hi\u1ebfp l\u00e0ng m\u1ea1c, nh\u00e0 c\u1eeda \u1edf ph\u00eda trong.<\/p>\n<p>&nbsp;<\/p>\n<p><b><i>b.<\/i><\/b><b><i>V\u00f9ng c\u00e1t di \u0111\u1ed9ng m\u1ea1nh \u1edf gi\u1eefa (II).<\/i><\/b><\/p>\n<p>C\u00e1c \u0111\u1ee5n, b\u00e3i c\u00e1t di \u0111\u1ed9ng th\u1ee9 sinh r\u1ed9ng, d\u00e0i, cao v\u00e0 g\u1ea7n li\u00ean t\u1ee5c, cao nh\u1ea5t t\u1edbi 50-60m th\u1eadm ch\u00ed 90m (\u1edf Nam Qu\u1ea3ng B\u00ecnh), ph\u1ed5 bi\u1ebfn cao 30-40m c\u00f3 h\u00ecnh h\u01a1i d\u1ed1c tho\u1ea3i v\u1ec1 ph\u00eda bi\u1ec3n, d\u1ed1c \u0111\u1ee9ng v\u1ec1 ph\u00eda T\u00e2y, th\u00ad\u01b0\u1eddng b\u1ecb s\u1ee5t l\u1edf v\u1ec1 ph\u00eda \u1ea5y \u0111\u01b0\u00ad\u1ee3c h\u00ecnh th\u00e0nh do gi\u00f3 \u0111\u01b0\u00ada c\u00e1t \u1edf v\u00f9ng ngo\u00e0i bay xa v\u00ad\u01b0\u1ee3t qua c\u00e1c b\u00e3i c\u00e1t c\u1ed1 \u0111\u1ecbnh, g\u1eb7p ch\u00ad\u01b0\u1edbng ng\u1ea1i b\u1ecb d\u1ed3n \u0111\u1ecdng l\u1ea1i.<\/p>\n<p>\u0110\u1eb7c tr\u01b0\u00adng ch\u00ednh c\u1ee7a lo\u1ea1i n\u00e0y l\u00e0 kh\u00f4 r\u1eddi kh\u00f4ng c\u00f3 c\u1ecf c\u00e2y che ph\u1ee7, di \u0111\u1ed9ng m\u1ea1nh theo m\u00f9a gi\u00f3 ch\u00ednh v\u00e0 c\u00f3 xu h\u01b0\u00ad\u1edbng di chuy\u1ec3n v\u00e0o n\u1ed9i \u0111\u1ecba uy hi\u1ebfp l\u00e0ng m\u1ea1c, \u0111\u00ad\u01b0\u1eddng s\u00e1 d\u1ecdc theo ph\u00eda \u1ea5y. \u0110\u00e2y ch\u00ednh l\u00e0 v\u00f9ng chia n\u01b0\u00ad\u1edbc v\u1ec1 m\u00f9a m\u01b0\u00ada \u0111\u00e3 t\u1ea1o d\u00f2ng ch\u1ea3y k\u00e9o c\u00e1t tr\u00f4i \u0111\u1ed5 xu\u1ed1ng c\u00e1c t\u1ee5 thu\u1ef7 t\u1ea1o th\u00e0nh c\u00e1c khe hay su\u1ed1i c\u00e1t d\u1ed3n ra bi\u1ec3n v\u00e0 \u0111\u1ed5 v\u1ec1 ph\u00eda n\u1ed9i \u0111\u1ed3ng l\u1ea5n l\u1ea5p ru\u1ed9ng m\u00e0u. Do v\u1eady \u0111\u00e2y l\u00e0 v\u00f9ng xung y\u1ebfu v\u1ec1 m\u1eb7t ph\u00f2ng h\u1ed9 cho c\u1ea3 c\u00e1t bay v\u00e0 c\u00e1t tr\u00f4i, nh\u00ad\u01b0ng nguy hi\u1ec3m nh\u1ea5t l\u00e0 \u1edf d\u1ea3i r\u00eca ph\u00eda \u0110\u00f4ng (ven bi\u1ec3n) v\u00e0 ph\u00eda T\u00e2y (n\u1ed9i \u0111\u1ed3ng) c\u1ee7a v\u00f9ng c\u0169ng nh\u00ad\u01b0 \u1edf ven r\u00eca c\u00e1c khe su\u1ed1i c\u00e1t.<\/p>\n<p>&nbsp;<\/p>\n<p><b><i>c.<\/i><\/b><b><i>V\u00f9ng b\u00e3i c\u1ed3n c\u00e1t c\u1ed1 \u0111\u1ecbnh khu l\u00e0ng m\u1ea1c d\u1ecdc bi\u1ec3n (\u1edf ngo\u00e0i) (III).<\/i><\/b><\/p>\n<p>G\u1ed3m c\u00e1c c\u1ed3n b\u00e3i c\u00e1t \u0111\u00e3 c\u1ed1 \u0111\u1ecbnh d\u1ecdc bi\u1ec3n l\u00e0 \u0111\u1ea5t th\u1ed5 c\u01b0\u00ad, \u0111\u1ea5t canh t\u00e1c hay \u0111\u00e3 tr\u1ed3ng phi lao b\u1ecb b\u1ecf tr\u1ed1ng \u1edf gi\u1eefa v\u00e0 c\u1eaft \u0111o\u1ea1n m\u1ed9t s\u1ed1 n\u01a1i do kh\u00f4ng c\u00f3 \u0111\u00ad\u01b0\u1eddng giao th\u00f4ng t\u1eeb qu\u1ed1c l\u1ed9 1A ra bi\u1ec3n ho\u1eb7c l\u00e0 c\u1eeda ra bi\u1ec3n c\u1ee7a c\u00e1c con su\u1ed1i.<\/p>\n<p>\u0110\u1eb7c tr\u01b0\u00adng ch\u00ednh l\u00e0 c\u00e1t \u0111\u00e3 \u0111\u01b0\u00ad\u1ee3c c\u1ed1 \u0111\u1ecbnh nh\u1edd t\u00e1c \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u00ad\u1eddi v\u00e0 c\u00f3 nhi\u1ec1u ph\u1ea7n \u0111\u1ea5t th\u1ea5p g\u1ea7n su\u1ed1i ch\u1ea3y ra bi\u1ec3n, ngu\u1ed3n n\u01b0\u00ad\u1edbc phong ph\u00fa nh\u00ad\u01b0ng c\u0169ng l\u00e0 v\u00f9ng nguy hi\u1ec3m nh\u1ea5t ch\u1ecbu uy hi\u1ebfp tr\u1ef1c ti\u1ebfp c\u00e1t bay c\u1ee7a v\u00f9ng c\u00e1t di \u0111\u1ed9ng ven bi\u1ec3n v\u00e0 c\u00e1t l\u1ea5p c\u1ee7a v\u00f9ng c\u00e1t di \u0111\u1ed9ng \u1edf gi\u1eefa \u0111\u01b0\u00ada ra theo c\u00e1c d\u00f2ng su\u1ed1i.<\/p>\n<p>&nbsp;<\/p>\n<p><b><i>d.<\/i><\/b><b><i>V\u00f9ng c\u1ed3n b\u00e3i c\u00e1t c\u1ed1 \u0111\u1ecbnh ph\u00eda trong gi\u00e1p \u0111\u1ed3ng (IV).<\/i><\/b><\/p>\n<p>C\u00e1c c\u1ed3n, b\u00e3i c\u00e1t \u0111\u00e3 \u0111\u01b0\u00ad\u1ee3c c\u1ed1 \u0111\u1ecbnh ho\u1eb7c b\u00e1n di \u0111\u1ed9ng cao 5-10m, \u0111\u1ea5t th\u1ed5 c\u01b0\u00ad v\u00ad\u01b0\u1eddn, ru\u1ed9ng l\u00faa l\u00e0m th\u00e0nh m\u1ed9t d\u1ea3i h\u1eb9p kh\u00e1 li\u00ean t\u1ee5c, d\u1ecdc ph\u00eda gi\u00e1p n\u1ed9i \u0111\u1ed3ng. \u0110\u1eb7c tr\u01b0\u00adng ch\u00ednh l\u00e0 c\u00e1t \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh nh\u1edd t\u00e1c \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u00ad\u1eddi v\u1edbi 3 ho\u1ea1t \u0111\u1ed9ng ch\u00ednh: Tr\u1ed3ng phi lao v\u00e0 gi\u1eef l\u1edbp th\u1ea3m t\u1ef1 nhi\u00ean tr\u00ean c\u00e1c c\u1ed3n b\u00e3i sau khi di chuy\u1ec3n v\u00e0o l\u1ee5c \u0111\u1ecba, l\u00e0m c\u00e1c c\u00f4ng tr\u00ecnh ng\u0103n ch\u1eb7n t\u1ea1o th\u00e0nh \u0111\u1ea5t th\u1ed5 c\u01b0\u00ad v\u00ad\u01b0\u1eddn n\u01a1i cao v\u00e0 canh t\u00e1c n\u00f4ng nghi\u1ec7p \u1edf n\u01a1i th\u1ea5p. Tuy nhi\u00ean, \u0111\u00e2y v\u1eabn l\u00e0 v\u00f9ng nguy hi\u1ec3m do n\u1eb1m \u1edf v\u1ecb tr\u00ed ti\u1ebfp gi\u00e1p \u1edf r\u00eca ph\u00eda T\u00e2y ph\u1ea3i ch\u1ecbu s\u1ef1 uy hi\u1ebfp n\u1ea1n c\u00e1t bay c\u1ee7a v\u00f9ng c\u00e1t di \u0111\u1ed9ng \u1edf gi\u1eefa v\u00e0 c\u0169ng n\u1eb1m \u1edf \u0111i\u1ec3m cu\u1ed1i c\u1ee7a c\u00e1c su\u1ed1i c\u00e1t tr\u00ad\u01b0\u1edbc khi v\u00ad\u01b0\u1ee3t qua Qu\u1ed1c l\u1ed9 1A ch\u1ea3y v\u00e0o v\u00f9ng tr\u0169ng ph\u00eda n\u1ed9i \u0111\u1ed3ng n\u00ean c\u00f2n b\u1ecb uy hi\u1ebfp \u00e1c li\u1ec7t c\u1ee7a n\u1ea1n c\u00e1t tr\u00f4i.<\/p>\n<p>&nbsp;<\/p>\n<p><b><i>e.<\/i><\/b><b><i>V\u00f9ng b\u00e3i c\u1ed3n c\u00e1t th\u1ea5p, c\u1ed1 \u0111\u1ecbnh ph\u1ee7 \u0111an xen (V).<\/i><\/b><\/p>\n<p>Bao g\u1ed3m c\u00e1c b\u00e3i c\u00e1t b\u1eb1ng b\u00e1n ng\u1eadp, th\u1ea5p ho\u1eb7c cao, kh\u00e1 d\u00e0i r\u1ed9ng v\u00e0 li\u00ean t\u1ee5c song song ho\u1eb7c xen k\u1ebd v\u1edbi v\u00f9ng ngo\u00e0i v\u00e0 v\u00f9ng trong, r\u1ed9ng nh\u1ea5t l\u00e0 c\u00e1c b\u00e3i c\u1ecf r\u01b0\u00ad\u1eddi ho\u1eb7c c\u00e1c c\u1ed3n c\u1ecf qu\u0103n hay c\u00e1c thung ho\u1eb7c b\u00e3i th\u1ea5p h\u1eb9p. C\u00e1c b\u00e3i c\u1ed3n c\u00e1t ph\u1ee7 th\u1ea5p c\u1ed1 \u0111\u1ecbnh n\u00e0y \u0111\u00ad\u01b0\u1ee3c h\u00ecnh th\u00e0nh do c\u00e1t bay, c\u00e1t ch\u1ea3y ph\u1ee7 l\u1ea5p nh\u1eefng n\u01a1i \u0111\u1ecba h\u00ecnh th\u1ea5p tr\u0169ng v\u00e0 nh\u1edd c\u00f3 m\u1ef1c n\u01b0\u00ad\u1edbc ng\u1ea7m n\u00f4ng ho\u1eb7c ng\u1eadp n\u01b0\u00ad\u1edbc m\u00f9a m\u01b0\u00ada n\u00ean \u0111\u00ad\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh b\u1edfi l\u1edbp ph\u1ee7 h\u1ecd ho\u00e0 th\u1ea3o, m\u1ed9t s\u1ed1 n\u01a1i \u0111\u00e3 \u0111\u01b0\u1ee3c khai ph\u00e1 canh t\u00e1c n\u00f4ng nghi\u1ec7p ho\u1eb7c tr\u1ed3ng phi lao.<\/p>\n<p>Nh\u01b0\u00ad v\u1eady, c\u00f3 5 ph\u00e2n v\u00f9ng ph\u00f2ng h\u1ed9 v\u1edbi m\u1ee9c \u0111\u1ed9 xung y\u1ebfu v\u1ec1 g\u00e2y h\u1ea1i v\u00e0 b\u1ecb h\u1ea1i kh\u00e1c nhau. V\u00f9ng I, II kh\u00f4ng c\u00f3 l\u1edbp th\u1ea3m th\u1ef1c v\u1eadt che ph\u1ee7, b\u1ecb uy hi\u1ebfp m\u1ea1nh b\u1edfi c\u00e1t bay, l\u00e0 v\u00f9ng chi ph\u1ed1i m\u1ee9c \u0111\u1ed9 xung y\u1ebfu \u0111\u1ebfn c\u00e1c v\u00f9ng c\u00f2n l\u1ea1i. Th\u1ef1c tr\u1ea1ng ph\u1ea7n l\u1edbn di\u1ec7n t\u00edch \u0111\u1ea5t c\u00e1t tr\u00ean ph\u00e2n v\u00f9ng I v\u00e0 II c\u00f2n \u0111\u1ec3 tr\u1ed1ng, m\u1edbi ch\u1ec9 \u0111\u01b0\u1ee3c g\u00e2y tr\u1ed3ng c\u00e1c \u0111\u00e1m r\u1eebng manh m\u00fan \u1edf ph\u1ea7n ch\u00e2n \u0111\u1ed3i c\u00e1t di \u0111\u1ed9ng. R\u1eebng tr\u1ed3ng tr\u00ean c\u00e1c ph\u00e2n v\u00f9ng n\u00e0y ch\u1ec9 c\u00f3 phi lao v\u1edbi m\u1eadt \u0111\u1ed9 th\u00ad\u01b0a, c\u00e2y r\u1eebng c\u00f3 chi\u1ec1u cao th\u1ea5p n\u00ean ch\u01b0\u00ada \u0111\u1ee7 \u0111\u1ed9 k\u00edn \u0111\u1ec3 ch\u1eafn gi\u00f3, ch\u1ed1ng c\u00e1t bay. V\u00ec v\u1eady, c\u1ea7n quy ho\u1ea1ch th\u00e0nh h\u1ec7 th\u1ed1ng c\u00e1c \u0111ai ch\u00ednh v\u00e0 \u0111ai ph\u1ee5 ph\u00f2ng h\u1ed9 ch\u1eafn gi\u00f3, ch\u1eafn c\u00e1t.<\/p>\n<p>\u0110\u1ed1i v\u1edbi ph\u00e2n v\u00f9ng III, IV v\u00e0 V tuy m\u1ee9c \u0111\u1ed9 xung y\u1ebfu do c\u00e1t bay k\u00e9m h\u01a1n nh\u01b0\u00adng \u0111\u1ecba b\u00e0n c\u00e1c v\u00f9ng n\u00e0y l\u1ea1i b\u1ecb uy hi\u1ebfp b\u1edfi n\u1ea1n c\u00e1t tr\u00f4i v\u00e0 g\u1eafn v\u1edbi c\u00e1c khu d\u00e2n c\u01b0\u00ad, khu canh t\u00e1c n\u00f4ng nghi\u1ec7p, v\u00ec v\u1eady c\u1ea7n thi\u1ebft x\u00e2y d\u1ef1ng \u0111\u1ee7 h\u1ec7 th\u1ed1ng \u0111ai r\u1eebng v\u1edbi c\u00e1c lo\u00e0i c\u00e2y tr\u1ed3ng ph\u00f9 h\u1ee3p d\u1ea1ng l\u1eadp \u0111\u1ecba \u0111\u1ea3m b\u1ea3o ch\u1eafn gi\u00f3, ch\u1eafn n\u00f3ng, ch\u1eafn c\u00e1t tr\u00f4i,\u2026<\/p>\n<p>&nbsp;<\/p>\n<p><b>3. K\u1ebft lu\u1eadn<\/b><\/p>\n<p>D\u1ef1a v\u00e0o chu tr\u00ecnh di \u0111\u1ed9ng, \u0111\u1ed9ng th\u00e1i c\u00e1t bay, c\u00e1t tr\u00f4i v\u00e0 \u0111\u1ecba b\u00e0n, v\u00f9ngc\u00e1t ven bi\u1ec3n B\u1eafc Trung b\u1ed9 \u0111\u01b0\u1ee3c chia th\u00e0nh 5 ph\u00e2n v\u00f9ng ph\u00f2ng h\u1ed9 theo m\u1ee9c \u0111\u1ed9 xung y\u1ebfu: (I) v\u00f9ng c\u00e1t di \u0111\u1ed9ng m\u1edbi h\u00ecnh th\u00e0nh s\u00e1t bi\u1ec3n, (II) v\u00f9ng c\u00e1t di \u0111\u1ed9ng m\u1ea1nh \u1edf gi\u1eefa, (III) b\u00e3i c\u1ed3n c\u00e1t c\u1ed1 \u0111\u1ecbnh khu l\u00e0ng m\u1ea1c d\u1ecdc bi\u1ec3n, (IV) b\u00e3i c\u1ed3n c\u00e1t c\u1ed1 \u0111\u1ecbnh ph\u00eda trong gi\u00e1p \u0111\u1ed3ng v\u00e0 (V) b\u00e3i c\u1ed3n c\u00e1t th\u1ea5p, c\u1ed1 \u0111\u1ecbnh ph\u1ee7 \u0111an xen. V\u00f9ng I v\u00e0 II r\u1ea5t nguy hi\u1ec3m v\u1ec1 g\u00e2y h\u1ea1i v\u00e0 nguy hi\u1ec3m v\u1ec1 b\u1ecb h\u1ea1i, v\u00f9ng III v\u00e0 IV nguy hi\u1ec3m v\u1ec1 g\u00e2y h\u1ea1i v\u00e0 r\u1ea5t nguy hi\u1ec3m v\u1ec1 b\u1ecb h\u1ea1i, v\u00f9ng V \u00edt xung y\u1ebfu nh\u1ea5t.<\/p>\n<p>&nbsp;<\/p>\n<p align=\"center\"><b>T\u00e0i li\u1ec7u tham kh\u1ea3o<\/b><\/p>\n<p>\u0110\u00e0o C\u00f4ng Khanh, \u0110\u1eb7ng V\u0103n Thuy\u1ebft,&#8230; (1997). B\u00e1o c\u00e1o nghi\u00ean c\u1ee9u kh\u1ea3 thi: <i>Kh\u1ea3o s\u00e1t v\u00e0 quy ho\u1ea1ch tr\u1ed3ng r\u1eebng v\u00f9ng c\u00e1t <\/i><i>Nam<\/i><i>Qu\u1ea3ng B\u00ecnh<\/i>, D\u1ef1 \u00e1n ARCD Qu\u1ea3ng B\u00ecnh.<\/p>\n<p>&nbsp;<\/p>\n<p><b>Summary<\/b><\/p>\n<p>Taking into account all main affecting factors, critically harmful and being harmed, at highly and less dangerous levels, 5 critical zones are demarcated: the shifting sand zone newly formed near the seashore (outside)(I); the swiftly shifting sand zone in the middle (II); fixed sand zone with villages along the coast (outside)(III); fixed sand dune zone adjacent to the fields (IV); interspersed fixed, low sand dunes zone (V).<\/p>\n<p>Zone I, II have no vegetation cover and are severely threatened by shifting sand and these zones govern the critical level of the remaining zones. The critical levels of zones III, IV and V are weak due to less shifting sand but these zones are more threatened by sand moving and are linked with the population and agricultural cultivation thus sufficient system of wind-break belts must be established against wind, heat and sand movement.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Do \u0111\u1ecba h\u00ecnh ph\u1ee9c t\u1ea1p, \u0111\u1ea5t c\u00e1t ven bi\u1ec3n t\u1ed3n t\u1ea1i \u1edf d\u1ea1ng \u0111\u1ee5n c\u00e1t, c\u1ed3n c\u00e1t v\u00e0 b\u00e3i c\u00e1t v\u1edbi \u0111\u1ecba m\u1ea1o kh\u00e1c nhau; \u0111\u1ea5t c\u00e1t kh\u00f4, r\u1eddi r\u1ea1c, d\u1ec5 b\u1ecb di \u0111\u1ed9ng do gi\u00f3 th\u1ed5i v\u00e0 n\u01b0\u1edbc ch\u1ea3y k\u00e9o c\u00e1t tr\u00f4i. V\u00ec v\u1eady, v\u00f9ng c\u00e1t ven bi\u1ec3n B\u1eafc Trung b\u1ed9 l\u00e0 v\u00f9ng \u0111\u1ea5t \u0111\u00e3 v\u00e0 \u0111ang b\u1ecb sa m\u1ea1c ho\u00e1 do n\u1ea1n c\u00e1t di \u0111\u1ed9ng nh\u01b0ng m\u1ed7i ph\u00e2n v\u00f9ng l\u1ea1i c\u00f3 m\u1ee9c \u0111\u1ed9 xung y\u1ebfu kh\u00e1c nhau.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[21],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/468"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=468"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/468\/revisions"}],"predecessor-version":[{"id":11541,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/468\/revisions\/11541"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}