{"id":9596,"date":"2011-06-15T03:22:19","date_gmt":"2011-06-14T20:22:19","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2011\/06\/ket-qua-nghien-cuu-dac-diem-sinh-truong-va-cac-bien-phap-ky-thuat-gay-trong-rung-da-voi-ceriop-tagal-c-b-robinson-1908-vet-tach-bruguiera-parviflora-with-and-arnold-ex-griffith-1936-su-mekong\/"},"modified":"2013-10-06T09:02:20","modified_gmt":"2013-10-06T02:02:20","slug":"ket-qua-nghien-cuu-dac-diem-sinh-truong-va-cac-bien-phap-ky-thuat-gay-trong-rung-da-voi-ceriop-tagal-c-b-robinson-1908-vet-tach-bruguiera-parviflora-with-and-arnold-ex-griffith-1936-su-mekong","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/ket-qua-nghien-cuu-dac-diem-sinh-truong-va-cac-bien-phap-ky-thuat-gay-trong-rung-da-voi-ceriop-tagal-c-b-robinson-1908-vet-tach-bruguiera-parviflora-with-and-arnold-ex-griffith-1936-su-mekong\/","title":{"rendered":"K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u1eb7c \u0111i\u1ec3m sinh tr\u01b0\u1edfng v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt g\u00e2y tr\u1ed3ng r\u1eebng: D\u00e0 v\u00f4i (Ceriop tagal C.B Robinson-1908), V\u1eb9t t\u00e1ch (Bruguiera parviflora with and Arnold ex Griffith-1936), Su Mekong (Xylocarpus Mekongen"},"content":{"rendered":"<\/p>\n

\u0110\u1eb7ng C\u00f4ng B\u1eedu, V\u00f5 Ng\u01b0\u01a1n Th\u1ea3o<\/strong> <\/p>\n

<\/strong>Trung t\u00e2m Nghi\u00ean c\u1ee9u v\u00e0 \u1ee8ng d\u1ee5ng K\u1ef9 thu\u1eadt r\u1eebng ng\u1eadp Minh H\u1ea3i<\/em> <\/p>\n

Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em><\/em> <\/p>\n

T\u00d3M T\u1eaeT<\/strong> <\/p>\n

Di\u1ec7n t\u00edch r\u1eebng ng\u1eadp m\u1eb7n t\u1ea1i \u0111\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long \u0111\u00e3 gi\u1ea3m s\u00fat m\u1ed9t c\u00e1ch \u0111\u00e1ng k\u1ec3 trong nhi\u1ec1u th\u1eadp ni\u00ean g\u1ea7n \u0111\u00e2y do vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u1ea5t r\u1eebng ng\u1eadp m\u1eb7n \u0111\u1ec3 nu\u00f4i t\u00f4m, l\u00e0m ru\u1ed9ng mu\u1ed1i, ph\u00e1t tri\u1ec3n c\u00e1c khu c\u00f4ng nghi\u1ec7p, l\u00e0m \u0111\u01b0\u1eddng s\u00e1 v\u00e0 ph\u00e1t tri\u1ec3n \u0111\u00f4 th\u1ecb v\u1edbi t\u1ed1c \u0111\u1ed9 nhanh ch\u00f3ng. S\u1ef1 suy gi\u1ea3m di\u1ec7n t\u00edch r\u1eebng ng\u1eadp m\u1eb7n \u0111\u1ed3ng ngh\u0129a v\u1edbi s\u1ef1 ngh\u00e8o \u0111i v\u1ec1 t\u00ednh \u0111a d\u1ea1ng sinh h\u1ecdc, gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng lo\u00e0i trong c\u00e1c v\u00f9ng \u0111\u1ea5t ng\u1eadp tri\u1ec1u.C\u00e1c lo\u00e0i D\u00e0 V\u00f4i, V\u1eb9t T\u00e1ch, Su Mekong v\u00e0 M\u1eafm tr\u1eafng l\u00e0 nh\u1eefng lo\u00e0i ch\u00ednh c\u1ee7a c\u1ea5u tr\u00fac c\u00e2y r\u1eebng ng\u1eadp m\u1eb7n, nh\u1eefng lo\u00e0i n\u00e0y c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf cao v\u00e0 c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n tr\u00ean nhi\u1ec1u lo\u1ea1i h\u00ecnh \u0111\u1ea5t ng\u1eadp m\u1eb7n kh\u00e1c nhau. Vi\u1ec7c nghi\u00ean c\u1ee9u c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m sinh h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng c\u00e1c lo\u00e0i n\u00e0y v\u1edbi m\u1ee5c ti\u00eau l\u00e0 g\u00f3p ph\u1ea7n \u0111\u1ea9y m\u1ea1nh c\u00f4ng t\u00e1c kh\u00f4i ph\u1ee5c r\u1eebng ng\u1eadp m\u1eb7n, gia t\u0103ng t\u00ednh \u0111a d\u1ea1ng sinh h\u1ecdc v\u00e0 t\u0103ng gi\u00e1 tr\u1ecb c\u1ee7a r\u1eebng. <\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u \u0111\u00e3 th\u1ef1c hi\u1ec7n l\u00e0 tham kh\u1ea3o c\u00e1c t\u00e0i li\u1ec7u hi\u1ec7n c\u00f3, thu th\u1eadp s\u1ed1 li\u1ec7u bi\u1ebfn \u0111\u1ed9ng \u0111\u1ed9 ng\u1eadp tri\u1ec1u, thu th\u1eadp v\u00e0 ph\u00e2n t\u00edch v\u1eadt r\u1ee5ng, th\u1eed nghi\u1ec7m ch\u1ea5t l\u01b0\u1ee3ng gi\u1ed1ng v\u00e0 th\u1eed nghi\u1ec7m tr\u1ed3ng r\u1eebng. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho th\u1ea5y: – C\u00f3 s\u1ef1 t\u01b0\u01a1ng quan ch\u1eb7t ch\u1ebd gi\u1eefa chi\u1ec1u cao v\u00e0 \u0111\u01b0\u1eddng k\u00ednh c\u0169ng nh\u01b0 s\u1ef1 t\u01b0\u01a1ng quan gi\u1eefa c\u1ea5p tu\u1ed5i, \u0111\u01b0\u1eddng k\u00ednh v\u00e0 m\u1eadt \u0111\u1ed9 c\u1ee7a c\u00e2y trong qu\u1ea7n th\u1ee5 c\u1ee7a 4 lo\u00e0i nghi\u00ean c\u1ee9u. – M\u1eadt \u0111\u1ed9 tr\u1ed3ng r\u1eebng 20.000 c\u00e2y\/ha l\u00e0 ph\u00f9 h\u1ee3p cho 3 lo\u00e0i D\u00e0 V\u00f4i, V\u1eb9t T\u00e1ch v\u00e0 M\u1eafm tr\u1eafng, trong khi \u0111\u00f3 m\u1eadt \u0111\u1ed9 tr\u1ed3ng r\u1eebng 5.000 c\u00e2y\/ha l\u00e0 ph\u00f9 h\u1ee3p cho lo\u00e0i Su Mekong. Vi\u1ec7c tr\u1ed3ng r\u1eebng tr\u1ef1c ti\u1ebfp b\u1eb1ng h\u1ea1t gi\u1ed1ng hay tr\u1ee5 m\u1ea7m c\u00f3 th\u1ec3 cho k\u1ebft qu\u1ea3 trong m\u1ed9t v\u00e0i tr\u01b0\u1eddng h\u1ee3p. C\u00e1c h\u00f3a ch\u1ea5t sinh h\u1ecdc c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 ph\u00f2ng tr\u1eeb s\u1ef1 c\u1eafn ph\u00e1 c\u1ee7a lo\u00e0i Ba Kh\u00eda khi tr\u1ed3ng tr\u1ef1c ti\u1ebfp b\u1eb1ng tr\u1ee5 m\u1ea7m t\u1ea1i c\u00e1c \u0111i\u1ec1u ki\u1ec7n l\u1eadp \u0111\u1ecba \u0111\u1eb7c bi\u1ec7t.- T\u1ec9a th\u01b0a r\u1eebng sau khi tr\u1ed3ng l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 th\u00fac \u0111\u1ea9y t\u0103ng tr\u01b0\u1edfng c\u1ee7a r\u1eebng v\u00e0 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c c\u00e1c s\u1ea3n ph\u1ea9m trung gian. Chi ti\u1ebft v\u1ec1 th\u1eddi gian v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 t\u1ec9a th\u01b0a c\u00f3 th\u1ec3 tham kh\u1ea3o trong b\u00e1o c\u00e1o ch\u00ednh. <\/p>\n

T\u1eeb kh\u00f3a<\/strong>: Sinh tr\u01b0\u1edfng, k\u1ef9 thu\u1eadt g\u00e2y tr\u1ed3ng, D\u00e0 v\u00f4i, V\u1eb9t t\u00e1ch, Su M\u00eakong, M\u1eafm tr\u1eafng, \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long <\/p>\n

I. \u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong> <\/p>\n

R\u1eebng ng\u1eadp m\u1eb7n l\u00e0 h\u1ec7 sinh th\u00e1i \u0111\u1eb7c bi\u1ec7t c\u00f3 kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n t\u1ed1t tr\u00ean c\u00e1c v\u00f9ng \u0111\u1ea5t th\u01b0\u1eddng xuy\u00ean ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a ch\u1ebf \u0111\u1ed9 ng\u1eadp tri\u1ec1u c\u1eeda s\u00f4ng, tr\u00ean v\u00f9ng \u0111\u1ea5t ph\u00f9 sa b\u1ed3i t\u1ee5 ven bi\u1ec3n v\u00e0 v\u00f9ng \u0111\u1ea7m l\u1ea7y. \u0110\u00e2y l\u00e0 h\u1ec7 sinh th\u00e1i c\u00f3 n\u0103ng su\u1ea5t sinh h\u1ecdc cao v\u00e0 kh\u00e1 phong ph\u00fa v\u1ec1 ch\u1ee7ng lo\u1ea1i th\u1ef1c v\u1eadt v\u00e0 \u0111\u1ed9ng v\u1eadt. <\/p>\n

Do \u0111\u1eb7c \u0111i\u1ec3m r\u1eebng ng\u1eadp m\u1eb7n ph\u00e1t tri\u1ec3n tr\u00ean c\u00e1c v\u00f9ng \u0111\u1ea5t gi\u00e0u ti\u1ec1m n\u0103ng v\u00e0 ch\u01b0a \u1ed5n \u0111\u1ecbnh, l\u00e0 n\u01a1i g\u00e1nh ch\u1ecbu nhi\u1ec1u t\u00e1c \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi nh\u01b0 l\u1ea1m d\u1ee5ng t\u00e0i nguy\u00ean r\u1eebng, khai ph\u00e1 r\u1eebng \u0111\u1ec3 l\u1ea5y \u0111\u1ea5t nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n, ph\u00e1t tri\u1ec3n n\u00f4ng nghi\u1ec7p, l\u00e0m mu\u1ed1i v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c khu c\u00f4ng nghi\u1ec7p, do \u0111\u00f3 di\u1ec7n t\u00edch r\u1eebng ng\u1eadp m\u1eb7n \u0111\u00e3 gi\u1ea3m s\u00fat nhanh ch\u00f3ng, \u0111\u1ed3ng th\u1eddi v\u1edbi vi\u1ec7c gi\u1ea3m s\u00fat di\u1ec7n t\u00edch s\u1ef1 suy gi\u1ea3m v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng c\u00e1c lo\u00e0i th\u1ef1c v\u1eadt v\u00e0s\u1ed1 l\u01b0\u1ee3ng c\u00e1 th\u1ec3 c\u1ee7a t\u1eebng lo\u00e0i c\u00e2y r\u1eebng ng\u1eadp m\u1eb7n c\u0169ng r\u1ea5t \u0111\u00e1ng k\u1ec3. C\u00e1c lo\u00e0i D\u00e0 V\u00f4i, V\u1eb9t t\u00e1ch, Su Mekong, M\u1ea5m Tr\u1eafng, \u0110\u01b0\u1edbc l\u00e0 nh\u1eefng lo\u00e0i c\u00e2y th\u00e2n g\u1ed7 c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf v\u1edbi \u0111\u1eb7c t\u00ednh g\u1ed7 r\u1ea5t t\u1ed1t, ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1n, \u0111\u1eb9p v\u1edbi nhi\u1ec1u c\u00f4ng d\u1ee5ng trong x\u00e2y d\u1ef1ng, trang tr\u00ed n\u1ed9i th\u1ea5t v\u00e0 s\u1eed d\u1ee5ng l\u00e0m \u0111\u1ed3 m\u1ef9 ngh\u1ec7, d\u1ec5 th\u00edch nghi tr\u00ean c\u00e1c \u0111i\u1ec1u ki\u1ec7n l\u1eadp \u0111\u1ecba \u0111\u1eb7c th\u00f9, \u1ed5n \u0111\u1ecbnh \u0111\u1ea5t. <\/p>\n

Vi\u1ec7c nghi\u00ean c\u1ee9u c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m sinh t\u0103ng tr\u01b0\u1edfng \u0111\u1ec3 \u0111\u1ec1 xu\u1ea5t c\u00e1c bi\u1ec7n ph\u00e1p g\u00e2y tr\u1ed3ng r\u1eebng c\u00e1c lo\u00e0i D\u00e0 V\u00f4i, V\u1eb9t T\u00e1ch, Su Mekong v\u00e0 M\u1eafm Tr\u1eafng l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft, \u0111\u1ec3 g\u00f3p ph\u1ea7n v\u00e0o c\u00f4ng cu\u1ed9c kh\u00f4i ph\u1ee5c r\u1eebng ng\u1eadp m\u1eb7n theo h\u01b0\u1edbng \u0111a d\u1ea1ng sinh h\u1ecdc, t\u0103ng hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng \u0111\u1ea5t r\u1eebng ven bi\u1ec3n, t\u1ea1o s\u1ef1 phong ph\u00fa v\u00e0 \u0111a d\u1ea1ng v\u1ec1 s\u1ea3n ph\u1ea9m l\u00e2m nghi\u1ec7p trong v\u00f9ng ng\u1eadp tri\u1ec1u, t\u0103ng c\u01b0\u1eddng vai tr\u00f2 ph\u00f2ng h\u1ed9 \u0111\u1ed3ng th\u1eddi \u1ed5n \u0111\u1ecbnh m\u00f4i tr\u01b0\u1eddng ven bi\u1ec3n v\u1ed1n r\u1ea5t nh\u1ea1y c\u1ea3m trong giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n hi\u1ec7n nay. <\/p>\n

\u0110\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt g\u00e2y tr\u1ed3ng r\u1eebng D\u00e0 v\u00f4i, V\u1eb9t t\u00e1ch, Su Mekong, M\u1eafm Tr\u1eafng v\u00e0 \u0110\u01b0\u1edbc \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u1eb1m \u0111\u00e1p \u1ee9ng nhu c\u1ea7u v\u1ec1 kh\u00f4i ph\u1ee5c r\u1eebng ng\u1eadp m\u1eb7n \u0111\u1ec3 v\u1eeba \u0111em l\u1ea1i hi\u1ec7u qu\u1ea3 kinh t\u1ebf, v\u1eeba t\u0103ng c\u01b0\u1eddng vai tr\u00f2 ph\u00f2ng h\u1ed9, duy tr\u00ec v\u00e0 ph\u00e1t tri\u1ec3n t\u00ednh \u0111a d\u1ea1ng sinh h\u1ecdc, c\u00e2n b\u1eb1ng sinh th\u00e1i, \u1ed5n \u0111\u1ecbnh m\u00f4i tr\u01b0\u1eddng \u0111\u1ed3ng th\u1eddi b\u1ea3o t\u1ed3n v\u00e0 ph\u00e1t tri\u1ec3n ngu\u1ed3n gene c\u00e1c lo\u00e0i th\u1ef1c v\u1eadt r\u1eebng ng\u1eadp trong v\u00f9ng ng\u1eadp tri\u1ec1u ven bi\u1ec3n \u0111\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long n\u00f3i ri\u00eang v\u00e0 c\u1ea3 n\u01b0\u1edbc n\u00f3i chung. <\/p>\n

(K\u1ef7 y\u1ebfu H\u1ed9i ngh\u1ecb Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 L\u00e2m nghi\u1ec7p v\u1edbi ph\u00e1t tri\u1ec3n r\u1eebng b\u1ec1n v\u1eefng v\u00e0 bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu, trang 209-317)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

\nCác loài Dà Vôi, V\u1eb9t Tách, Su Mekong và M\u1eafm tr\u1eafng là nh\u1eefng loài chính c\u1ee7a c\u1ea5u trúc cây r\u1eebng ng\u1eadp m\u1eb7n, nh\u1eefng loài này có giá tr\u1ecb kinh t\u1ebf cao và có th\u1ec3 phát tri\u1ec3n trên nhi\u1ec1u lo\u1ea1i hình \u0111\u1ea5t ng\u1eadp m\u1eb7n khác nhau. Vi\u1ec7c nghiên c\u1ee9u các \u0111\u1eb7c \u0111i\u1ec3m sinh h\u1ecdc và k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng các loài này v\u1edbi m\u1ee5c tiêu là góp ph\u1ea7n \u0111\u1ea9y m\u1ea1nh công tác khôi ph\u1ee5c r\u1eebng ng\u1eadp m\u1eb7n, gia t\u0103ng tính \u0111a d\u1ea1ng sinh h\u1ecdc và t\u0103ng giá tr\u1ecb c\u1ee7a r\u1eebng.<\/span><\/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\/9596"}],"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=9596"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9596\/revisions"}],"predecessor-version":[{"id":11050,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9596\/revisions\/11050"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9596"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9596"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9596"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}